Ocean water temp in san diego

This water is cool and invigorating, but for many people it is already comfortable enough for swimming. In general, this temperature is considered normal, but if your circulation is impaired, the water may still feel cool. Minimum water temperature in San Diego in August is 62°F, maximum - 73°F. In recent years, at the beginning of the month ...

Below is the current sea temperature for Mission Bay, United States on 10th May 2024. 16.53° C. (61.75° F) yesterday: 16.55° C (61.79° F) a week ago: 17.55° C (63.59° F) At this temperature, water will feel cold compared to a swimming pool, but with a bit of experience and practice most people will find the water relatively comfortable to ...The distance required by law between a parked car and a stop sign varies depending on the location. Several U.S. cities require 30 feet between a parked car and a stop sign. The st...8NM S San Diego CA Marine Point Forecast. Tuesday. W 10kt 1ft. ... National Weather Service; San Diego, CA; 11440 W. Bernardo Court, Suite 230; SAN DIEGO, CA 92127;Ocean Beach Jetty water temperatures peak in the range 19 to 22°C (66 to 72°F) on around the 5th of September and are at their coldest on about the 30th of January, in the range 14 to 17°C (57 to 63°F). Ocean Beach Jetty water temperatures are maximum at the beginning of September. Surfers should use a 2mm long sleeve shorty or a 3/2mm ...By: On Wednesday, researchers at Scripps Institution of Oceanography at the University of California San Diego logged the warmest sea-surface temperature at Scripps Pier since records began in August 1916. The record of 25.9℃ (78.6℉) followed a string of days in which individual daily records of sea surface and seafloor temperatures had ...The state can now add to the list record-warm ocean temperatures. On August 1, 2018, researchers from the Scripps Institution of Oceanography observed water temperatures of 25.9 degrees Celsius (78.6 degrees Fahrenheit) along the coast at La Jolla, exceeding the previous record of 25.8°C (78.4°F) set in 1931. The warm water …

Analysis and forecast for San Diego water temperatures. The water temperature in San Diego today is lower than the average temperature of 17.42° C (63.35° F) and the …Today's Ocean Beach Pier sea temperature is 64 °F. Statistics for 11 May (1981–2005) – mean: 62 °F , range: 59 ° F to 65 ° F. The water temperature (63 °F) at Ocean Beach Pier is relatively warm. If the sun does come out as forecast, it should feel warm enough to surf in a summer wetsuit. Effective air temperature of 59 °F.Average water temperature in San Diego in September is 69.1°F and therefore suitable for comfortable swimming. The warmest sea in San Diego in September is 75.6°F, and the coldest is 63.1°F. Average high air temperature in San Diego in September is 76°F, and average low temperature is 65°F. To find out the sea temperature today and in the ...The average temperatures for spring are 60.8°F, 69.8°F for summer, 66.2°F for autumn and 57.2°F for winter. This means water temperatures fluctuate from 56°F to a maximum of 69°F throughout the year in all the towns. Loading... San Diego weather by month / climate table. °F. °C. Today's Coronado Beaches sea temperature is 63 °F. Statistics for 11 May (1981–2005) – mean: 62 °F , range: 59 ° F to 65 ° F. The water temperature (63 °F) at Coronado Beaches is relatively warm. If the sun does come out as forecast, it should feel warm enough to surf in a summer wetsuit. Effective air temperature of 61 °F. La Jolla Shores Sea Temperature. The water temperature (17.7 °C) at La Jolla Shores is relatively warm. If the sun does come out as forecast, it should feel warm enough to surf in a summer wetsuit. Effective air temperature of 14.0 °C. Today, many surfers would wear a summer wetsuit.

San Diego Sea Conditions table showing wave height, swell direction and period. High and low tide times are also provided on the table along with the moon phase and forecast weather. Sunrise today is at 05:50 AM and sunset is at 07:38 PM. Mostly dry. Cool air temperatures (max 17°C on Mon afternoon, min 14°C on Mon night). National Weather Service Marine Forecast FZUS56 KSGX. FZUS56 KSGX 140902. CWFSGX. Coastal Waters Forecast for California. National Weather Service …Maximum and minimum monthly sea temperatures in San Diego Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec; Min °C: 14:. Water data back to 1987 are ...Current ocean temperature in Pacific Beach. Water temperature in Pacific Beach today is 63.5°F. Based on our historical data over a period of ten years, the warmest water in this day in Pacific Beach was recorded in 2020 and was 68.7°F, and the coldest was recorded in 2011 at 61.2°F. Sea water temperature in Pacific Beach is expected to …Spend time in San Diego enjoying the beaches, golf courses, nightlife and food with these bargain fares for as little as $117 To know San Diego is to love San Diego. It's a city th...68.3. 66.4. 63.9. 61.7. San Diego weather & temperature averages ». San Diego, United States March average sea temperature. Marine / ocean climate data updated daily, surface sea temperatures and recorded in degrees centigrade and farenheit.

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The measurements for the water temperature in Ocean Beach, California are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users. ... San Francisco (6.4km/4mi) Sausalito (7.6km/4.7mi) Strawberry (8.5km/5.3mi) Belvedere (9.8km/6.1mi ...The ocean temperature off Del Mar fell to 52.25 degrees this week, the lowest reading in San Diego County waters since UC San Diego began using a buoy system in …SAN DIEGO –Water temperatures have plunged to record lows in Del Mar, California with Scripps Institution of Oceanography recording 52.25 degrees Wednesday. The frigid water surprised beach ...Ocean Beach Pier sea water temperatures peak in the range 19 to 22°C (66 to 72°F) on around the 5th of September and are at their lowest on about the 3rd of February, in the …The measurements for the water temperature in Ocean Beach, California are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users. ... San Francisco (6.4km/4mi) Sausalito (7.6km/4.7mi) Strawberry (8.5km/5.3mi) Belvedere (9.8km/6.1mi ...Average water temperature in Ocean Beach San Diego in January is 58.8°F and therefore is not suitable for comfortable swimming. The warmest sea in Ocean Beach San Diego in January is 61.9°F, and the coldest is 54.9°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Ocean Beach San Diego.

Looking to find out what the average sea water temperature in San Diego is for October? Find out what the lowest, highest, and average water temperatures are for San Diego over the past 10 years. ... Average water temperature in San Diego for October. The average, high, and low temperatures below should help you if you can swim in the water in ...The water temperature in Encinitas today is lower than the average temperature of 17.57° C (63.63° F) and the temperature on this day last year, 10th May 2023, was 16.7° C (62.06° F). The chart and table below shows the change in water temperature in Encinitas over the last 30 days: The actual nearshore temperatures may vary by several ...The water temperature in Mission Beach today is lower than the average temperature of 17.69° C (63.83° F) and the temperature on this day last year, 10th May 2023, was 16.9° C (62.42° F). The chart and table below shows the change in water temperature in Mission Beach over the last 30 days: The actual nearshore temperatures may vary by ...Today the wave height in San Diego exceeds 3 ft 3 in (1 meter) and it is dangerous for swimming. If the wave height above 4 ft 9 in (1,5 meter) swimming is forbidden. In the coming days the sea will calm down. The table below provides detailed information about the sea conditions for the next 10 days by time of day.San Francisco, CA: Pt Saint George, CA to Pt Piedras Blancas, CA Updated: Tue, 14-May-2024 10:40:50 UTC Cambria, CA: ... NOAA Center for Weather and Climate Prediction (NCWCP) Ocean Prediction Center 5830 University Research Court College Park, Maryland 20740-3818 Phone: 301-683-1520Average water temperature in Ocean Beach San Diego in March is 59.5°F and therefore is not suitable for comfortable swimming. The warmest sea in Ocean Beach San Diego in March is 65.5°F, and the coldest is 55.9°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Ocean Beach San Diego.May 2, 2024 · Sea water temperature forecast and historical data for Point Loma. Today's ocean surface temperature report. ... Water Weather Wave; San Diego: 63°F: 68°F: 2' 11 ... Sea water temperature in San Diego in November, °F. Show year: 2023. 2022. 2021. The average sea water temperature in November of 2023 was 62.5°F. The highest and lowest sea temperatures during the month were 63.7°F and 61.9°F.Analysis and forecast for San Diego water temperatures. The water temperature in San Diego today is lower than the average temperature of 17.42° C (63.35° F) and the …Sea water temperature in San Diego in December, °F. Show year: 2023. 2022. 2021. The average sea water temperature in December of 2023 was 62.2°F. The highest and lowest sea temperatures during the month were 63.1°F and 61.5°F.Average water temperature in San Diego in March is 59.4°F and therefore is not suitable for comfortable swimming. The warmest sea in San Diego in March is 66°F, and the coldest is 55.6°F. Average high air temperature in San Diego in March is 66°F, and average low temperature is 53°F. To find out the sea temperature today and in the …

Average water temperature in Ocean Beach San Diego in May is 63.1°F and therefore is not suitable for comfortable swimming. The warmest sea in Ocean Beach San Diego in May is 67.8°F, and the coldest is 57.4°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Ocean Beach San Diego

68.3. 66.4. 63.9. 61.7. San Diego weather & temperature averages ». San Diego, United States March average sea temperature. Marine / ocean climate data updated daily, surface sea temperatures and recorded in degrees centigrade and farenheit. Photos (1) Today's Mission Beach sea temperature is 64 °F. Statistics for 08 May (1981–2005) – mean: 62 °F , range: 59 ° F to 65 ° F. The water temperature (63 °F) at Mission Beach is relatively warm. If the sun does …Last week, researchers recorded the warmest sea surface temperature in more than a century. Each day, researchers from the Scripps Institution of Oceanography at University of California San Diego ...Changes water temperature in Ocean Beach San Diego in November 2023, 2022. To get an accurate forecast for the water temperature in Ocean Beach San Diego for any chosen month, compare two years within a 10 year range using the chart below.By: On Wednesday, researchers at Scripps Institution of Oceanography at the University of California San Diego logged the warmest sea-surface temperature at Scripps Pier since records began in August 1916. The record of 25.9℃ (78.6℉) followed a string of days in which individual daily records of sea surface and seafloor temperatures had ...Sea water temperature in San Diego in January, °F. Show year: 2024. 2023. 2022. The average sea water temperature in January of 2024 was 59.6°F. The highest and lowest sea temperatures during the month were 61.7°F and 57.6°F. Sunny, partly cloudy and cloudy days. Mostly all days in January are sunny but cloudy days are also possible.If you want to plan a vacation on the beach and enjoy the warm sea, choose the day of the year, region and the minimum comfortable sea/ocean temperature that interests you. As a result, you will get a list of countries and cities in which the average sea temperature or maximum temperature on this day over the past 10 years exceeds your chosen value

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provides water temperature and conductivity observations data in chart and table. Home. About. Overview; Navigation Services; Coastal Hazards ... Products available at 9410170 San Diego, CA. Tides/Water Levels Water Levels; NOAA Tide Predictions; Harmonic Constituents; Sea Level Trends; ... National Ocean Service ...Whether you’re traveling for business or pleasure, getting to and from the airport can be a stressful experience. That’s why many travelers in San Diego opt for the convenience of ...Here’s how hot it will get at San Diego County deserts this weekend. Palm Canyon Drive in Borrego Springs in 2022. (Nelvin C. Cepeda/The San Diego Union …The chart and table below are the sea temperature averages for Ocean Beach, San Diego calculated from over twenty years of oceanographic data. As above the water temperatures given are for sea surface temperature (SST) which is most relevant to recreational users. ºC ºF Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 0ºC 5ºC …6 days ago · Water temperature in La Jolla today is 64.2°F. Based on our historical data over a period of ten years, the warmest water in this day in La Jolla was recorded in 2020 and was 69.1°F, and the coldest was recorded in 2010 at 60.3°F. Sea water temperature in La Jolla is expected to rise to 64.6°F in the next 10 days. In general, this temperature is considered normal, but if your circulation is impaired, the water may still feel cool. Minimum water temperature in San Diego in September is 62°F, maximum - 75°F. In recent years, at the beginning of the month, the temperature value here is at around 68°F, and by the end of the month the water warms up to 68°F.68.5. 69. 68.3. 66.4. 63.9. 61.7. San Diego weather & temperature averages ». San Diego, United States June average sea temperature. Marine / ocean climate data updated daily, surface sea temperatures and recorded in degrees centigrade and farenheit. 68.5. 69. 68.3. 66.4. 63.9. 61.7. San Diego weather & temperature averages ». San Diego, United States October average sea temperature. Marine / ocean climate data updated daily, surface sea temperatures and recorded in degrees centigrade and farenheit. In the early 1990s, San Diego was dying on the vine, starved of water in a series of yearslong droughts. The county, which relied almost entirely on imported water, had to cut back on 30% of its ...2021. The average sea water temperature in July of 2023 was 65.9°F. The highest and lowest sea temperatures during the month were 70.3°F and 63.3°F. current. weather. San Diego. weather in. May. San Diego.Average water temperature in Ocean Beach San Diego in January is 58.8°F and therefore is not suitable for comfortable swimming. The warmest sea in Ocean Beach San Diego in January is 61.9°F, and the coldest is 54.9°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Ocean Beach San Diego.The NCEI Coastal Water Temperature Guide (CWTG) provides recent ocean and Great Lakes temperatures and average water temperatures collected from buoys, tide gauges, and other monitoring stations in the United States and its territories. In addition to water temperature, users have access to station pages that collect data on water levels, wave heights, wind speed, air temperature and pressure ... ….

FZUS56 KSGX 140902CWFSGX. Coastal Waters Forecast for California. National Weather Service San Diego CA. 202 AM PDT Tue May 14 2024. San Mateo Point to the Mexican border out 60 nm. PZZ700-142200. 202 AM PDT Tue May 14 2024. Synopsis for the far Southern California coast. At 1 AM, a 1026 mb high was 400 NM west of Cape Mendocino and a 1005 mb ... Average water temperature in San Diego in December is 60.8°F and therefore is not suitable for comfortable swimming. The warmest sea in San Diego in December is 66°F, and the coldest is 56.3°F. Average high air temperature in San Diego in December is 65°F, and average low temperature is 48°F. To find out the sea temperature today and in ... Sea water temperature in San Diego is expected to rise to 63.1°F in the next 10 days. May average water temperature in San Diego is 63°F, the minimum temperature is 57.4°F, and the maximum is 68°F. The swimming season in San Diego lasts from July to October.68.5. 69. 68.3. 66.4. 63.9. 61.7. San Diego weather & temperature averages ». San Diego, United States November average sea temperature. Marine / ocean climate data updated daily, surface sea temperatures and recorded in degrees centigrade and farenheit.By: On Wednesday, researchers at Scripps Institution of Oceanography at the University of California San Diego logged the warmest sea-surface temperature at Scripps Pier since records began in August 1916. The record of 25.9℃ (78.6℉) followed a string of days in which individual daily records of sea surface and seafloor temperatures had ...Sun, Earth, & Sea; Our Office; Tribal Forecasts; Tropical Weather; Active Tropical Cyclones; Forecasts: Observations: ... National Weather Service San Diego, CA 11440 W. Bernardo Court, Suite 230 SAN DIEGO, CA 92127 (858)-675-8700 Comments? Questions? Please Contact Us. Disclaimer Information Quality Help Glossary.Get today's most accurate Coronado Beach surf report and 16-day surf forecast for swell, wind, tide and wave conditions.8NM S San Diego CA Marine Point Forecast. Tuesday. W 10kt 1ft. ... National Weather Service; San Diego, CA; 11440 W. Bernardo Court, Suite 230; SAN DIEGO, CA 92127;Monthly weather averages for San Diego. Monthly recordings for day and night air temperature, precipitations, day length, wind strength and sea water temperature. Units: °C / °F. ... Average daily sea water temperature during this month is … Ocean water temp in san diego, Station SDBC1 - 9410170 - San Diego, CA. Owned and maintained by NOAA's National Ocean Service. Water Level Observation Network. 32.714 N 117.174 W (32°42'51" N 117°10'26" W) Sea temp depth: 5.5 m below MLLW. Latest NWS Marine Forecast., Current weather. 15°C / 60°F. (overcast clouds) Wind. 7 mph. Humidity. 87%. The measurements for the water temperature in Mission Bay, California are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users. , Sea water temperature in San Diego is expected to rise to 63.1°F in the next 10 days. May average water temperature in San Diego is 63°F, the minimum temperature is 57.4°F, and the maximum is 68°F. The swimming season in San Diego lasts from July to October. See more, May 2, 2024 · Sea water temperature forecast and historical data for Point Loma. Today's ocean surface temperature report. ... Water Weather Wave; San Diego: 63°F: 68°F: 2' 11 ... , Ocean Beach Pier sea water temperatures peak in the range 19 to 22°C (66 to 72°F) on around the 5th of September and are at their lowest on about the 3rd of February, in the …, Mission Bay — Fiesta Island. Northwest shoreline. La Jolla Cove Beachline. Oceanside — San Luis Rey River outlet. San Luis Rey River outlet to 300′ South. …, Below is the current sea temperature for Mission Bay, United States on 10th May 2024. 16.53° C. (61.75° F) yesterday: 16.55° C (61.79° F) a week ago: 17.55° C (63.59° F) At this temperature, water will feel cold compared to a swimming pool, but with a bit of experience and practice most people will find the water relatively comfortable to ..., The weather in San Diego is mild and the water in California is typically cold, but swimming is completely possible. ... The San Diego average March temperature in the ocean is 58 degrees. This might be too cold for some, so if you’re one of these people bring a book to the beach, but for others the cold water provides a refreshing way to ..., The largest cities in terms of population in the United States that begin with “San” are San Antonio in Texas and San Diego, San Francisco and San Jose in California. Many other st..., Sea water temperature forecast and historical data for Encinitas. Today's ocean surface temperature report. Average monthly ocean temperature and surf forecast ... Water Weather Wave; San Diego: 62.4°F: 66.2°F: 3' 5" Santa Monica: 61.2°F: 66.2°F: 2' 2" La Jolla Cove: 63.5°F: 64.4°F: 2' 11" Lake Tahoe: 46.6°F: 55.4°F: 0' 1" Moonlight ..., Changes water temperature in Ocean Beach San Diego in November 2023, 2022. To get an accurate forecast for the water temperature in Ocean Beach San Diego for any chosen month, compare two years within a 10 year range using the chart below., Photos (1) Today's Mission Beach sea temperature is 64 °F. Statistics for 08 May (1981–2005) – mean: 62 °F , range: 59 ° F to 65 ° F. The water temperature (63 °F) at Mission Beach is relatively warm. If the sun does come out as forecast, it should feel warm enough to surf in a summer wetsuit. Effective air temperature of 57 °F., Weather today and detailed five day weather forecast in San Diego (CA). For accuracy, we also provide an hourly forecast and probability of precipitation. ... Where is the warmest sea water in the world? If you want to plan a vacation on the beach and enjoy the warm sea, choose the day of the year, region and the minimum comfortable …, Monthly San Diego water temperature chart. The bar chart below shows the average monthly sea temperatures at San Diego over the year. Average monthly sea temperatures in San Diego Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec °C: 15.1: 14.9: 15.2: 15.9: 17.0: 18.1: 19.4: 19.8: 19.3: 18.3: 17.1: 15.8 °F: 59.2:, Current ocean temperature in Scripps Pier. Water temperature in Scripps Pier today is 63.1°F. Based on our historical data over a period of ten years, the warmest water in this day in Scripps Pier was recorded in 2020 and was 70.2°F, and the coldest was recorded in 2010 at 61°F. Sea water temperature in Scripps Pier is expected to …, Ocean Beach Pier sea water temperatures peak in the range 19 to 22°C (66 to 72°F) on around the 5th of September and are at their lowest on about the 3rd of February, in the …, Average water temperature in Ocean Beach San Diego in July is 68.5°F and therefore suitable for comfortable swimming. The warmest sea in Ocean Beach San Diego in July is 74.3°F, and the coldest is 60.4°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Ocean Beach San Diego., 66. 70. 75. 80. 86. 95. The map above is updated daily and shows the ocean water temperature as recorded on 12th May 2024., NWS Forecast for: San Diego CA Pacific Ocean Issued by: National Weather Service San Diego, CA Last Update: 1:45 pm PST Mar 3, 2024: Tonight WNW 25km/h 1m Small Craft Advisory: Monday WNW 20km/h 1m Small Craft Advisory: Monday Night NW 10km/h 1m: Tuesday W 15km/h 1m:, Coastal Marine Zone Forecasts by the San Diego, CA Forecast Office. Click on the links in the table to get a forecast for each zone. Click on the map to get a text forecast that includes all zones and a synopsis. Inner and Outer Coastal Waters. PZZ750: Coastal Waters from San Mateo Point to the Mexican Border out to 30 NM., Is it warm enough to swim in Ocean Beach San Diego in June? Average water temperature in Ocean Beach San Diego in June is 65.7°F and therefore is not suitable for comfortable swimming. The warmest sea in Ocean Beach San Diego in June is 71.6°F, and the coldest is 60.6°F. To find out the sea temperature today and in the coming days, go to ..., Get ratings and reviews for the top 11 gutter companies in San Diego, CA. Helping you find the best gutter companies for the job. Expert Advice On Improving Your Home All Projects ..., Maximum and minimum monthly sea temperatures in San Diego Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec; Min °C: 14:. Water data back to 1987 are ..., In general, this temperature is considered normal, but if your circulation is impaired, the water may still feel cool. Minimum water temperature in San Diego in September is 62°F, maximum - 75°F. In recent years, at the beginning of the month, the temperature value here is at around 68°F, and by the end of the month the water warms up to 68°F., Is it warm enough to swim in Ocean Beach San Diego in June? Average water temperature in Ocean Beach San Diego in June is 65.7°F and therefore is not suitable for comfortable swimming. The warmest sea in Ocean Beach San Diego in June is 71.6°F, and the coldest is 60.6°F. To find out the sea temperature today and in the coming days, go …, The sea surface temperature at Mission Beach was 53 degrees at 10 a.m. Sunday, the lowest reading that’s been recorded at any San Diego beach in the past 19 years, according the the National ..., Average water temperature in San Diego in June is 65.5°F and therefore is not suitable for comfortable swimming. The warmest sea in San Diego in June is 69.4°F, and the coldest is 61°F. Average high air temperature in San Diego in June is 71°F, and average low temperature is 62°F. To find out the sea temperature today and in the coming ..., Average water temperature in Ocean Beach San Diego in December is 60.4°F and therefore is not suitable for comfortable swimming. The warmest sea in Ocean Beach San Diego in December is 65.1°F, and the coldest is 55.4°F. To find out the sea temperature today and in the coming days, ..., Photos (1) Today's Mission Beach sea temperature is 64 °F. Statistics for 08 May (1981–2005) – mean: 62 °F , range: 59 ° F to 65 ° F. The water temperature (63 °F) at Mission Beach is relatively warm. If the sun does come out as forecast, it should feel warm enough to surf in a summer wetsuit. Effective air temperature of 57 °F. , Saturday Water temperature in San Diego. WATER TEMPERATURE. 64 ºF. + INFO. © TIDES4FISHING | WEATHER FORECAST IN SAN DIEGO | NEXT 7 DAYS. FISHING SITES CLOSE TO SAN DIEGO. water temperature in San Diego (Quarantine Station) (4 mi.) | water temperature in National City (San Diego Bay) (5 mi.) | water temperature in Point Loma (5 mi.) | water ..., Average water temperature in San Diego in April is 60.6°F and therefore is not suitable for comfortable swimming. The warmest sea in San Diego in April is 66.6°F, and the coldest is 54.7°F. Average high air temperature in San Diego in April is 68°F, and average low temperature is 56°F. To find out the sea temperature today and in the ... , Apr 24, 2024 · The NCEI Coastal Water Temperature Guide (CWTG) provides recent ocean and Great Lakes temperatures and average water temperatures collected from buoys, tide gauges, and other monitoring stations in the United States and its territories. In addition to water temperature, users have access to station pages that collect data on water levels, wave heights, wind speed, air temperature and pressure ... , Average water temperature in San Diego in December is 60.8°F and therefore is not suitable for comfortable swimming. The warmest sea in San Diego in December is 66°F, and the coldest is 56.3°F. Average high air temperature in San Diego in December is 65°F, and average low temperature is 48°F. To find out the sea temperature today and in ...