Sea Temperature

San Diego Sea Temperature

(Today) Aug 2018

23.9°C / 75°F

Current weather

21°C / 69°F
(broken clouds)

Partly cloudy

3 mph



The measurements for the water temperature in San Diego, 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.

Monthly average max / min water temperatures

The graph below shows the range of monthly San Diego water temperature derived from many years of historical sea surface temperature data.

Maximum and minimum monthly sea temperatures in San Diego
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 14.1 13.8 13.9 15 15.1 16.6 17.9 18.4 17.8 17.1 16.1 14.5
Max °C 16.1 15.9 16.5 16.8 19 19.7 21 21.5 20.7 19.7 18.2 17.1
Min °F 58.2 57.6 58.1 59.7 60.7 63.1 65.4 66.3 65.2 63.8 61.8 59.1
Max °F 60.2 59.7 60.7 61.5 64.6 66.2 68.5 69.4 68.1 66.4 63.9 61.7

7 day tide forecast for San Diego

  • Low 06:16am
  • High 12:39pm
  • Low 06:31pm
  • High 12:31am
  • Low 06:56am
  • High 01:24pm
  • Low 07:34pm
  • High 01:29am
  • Low 07:39am
  • High 02:15pm
  • Low 08:51pm
  • High 02:43am
  • Low 08:29am
  • High 03:15pm
  • Low 10:22pm
  • High 04:26am
  • Low 09:33am
  • High 04:23pm
  • Low 11:50pm
  • High 06:17am
  • Low 10:53am
  • High 05:30pm
  • Low 12:57am
  • High 07:32am
  • Low 12:09pm
  • High 06:28pm

*These tide times are estimates based on the nearest port (San Diego, California) and may differ by up to half and hour depending on distance. Please note, the tide times given are not suitable for navigational purposes.

Average August sea temperatures

  • Max: 21.5°C / 70.6°F
  • Avg: 19.9°C / 67.8°F
  • Min: 18.4°C / 65°F
San Diego average sea temperature chart

These average ocean temperatures for San Diego are calculated from several years of archived data.

Map showing location of San Diego (32.715330, -117.157260)

Locations nearby


Whilst sea temperatures for San Diego are as accurate as current data allows, there may be slight local and regional variations depending on conditions. Time of day and wind direction may have a temporary local effect as can water flows from neraby rivers.

Alternate names for San Diego
Didacopolis, Lungsod ng San Diego, SAN, San Diegas, San Diego, San Diegu, San Dijego, San Diyego, San Diyégo, San Ntienko, San-Diego, San-Dieqo, Sandjego, can tiyeko, saendieigo, san diyago, san dyyghw, kalyfwrnya, san-diego, sandiego, sena diyego, sheng de ya ge, sn dygw, sn dyygw, syana diyego, Σαν Ντιέγκο, Сан Диего, Сан Дијего, Сан-Диего, Сан-Дієго, Սան Դիեգո, סן דייגו, سان دييغو، كاليفورنيا, سان ڈیاگو, سن دیگو, सॅन डियेगो, স্যান ডিয়েগো, சான் டியேகோ, శాన్ డియాగో, แซนดีเอโก, სან-დიეგო, サンディエゴ, 聖地牙哥, 샌디에이고

San Diego average sea temperature chart