Sea Temperature

San Francisco Sea Temperature

(Today) Jan 2020

12.6°C / 54.7°F

Current weather

17°C / 62°F
(clear sky)

Partly cloudy

7 mph



The measurements for the water temperature in San Francisco, 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 Francisco water temperature derived from many years of historical sea surface temperature data.

Maximum and minimum monthly sea temperatures in San Francisco
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 10.1 10.1 10.1 9.6 9.4 9.1 11 12 12.9 12.4 11.6 11.2
Max °C 13.6 13.4 14.2 13.2 13.6 13.6 14.3 14.8 14.8 15 14 13.6
Min °F 51.5 51.5 51.8 50.7 50.6 50.1 53.1 54.7 55.9 55.4 53.8 53.1
Max °F 55 54.8 55.9 54.3 54.8 54.6 56.4 57.5 57.8 58 56.2 55.5

7 day tide forecast for San Francisco

  • High 12:09am
  • Low 4:45am
  • High 10:46am
  • Low 5:29pm
  • High 12:48am
  • Low 5:28am
  • High 11:25am
  • Low 6:04pm
  • High 1:23am
  • Low 6:10am
  • High 12:04pm
  • Low 6:38pm
  • High 1:55am
  • Low 6:51am
  • High 12:42pm
  • Low 7:13pm
  • High 2:26am
  • Low 7:35am
  • High 1:22pm
  • Low 7:48pm
  • High 2:55am
  • Low 8:23am
  • High 2:06pm
  • Low 8:24pm
  • High 3:25am
  • Low 9:16am
  • High 2:58pm
  • Low 9:03pm
7 day tide times for San Francisco

*These tide times are estimates based on the nearest port (North Point, Pier 41) 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 January sea temperatures

  • Max: 13.6°C / 56.4°F
  • Avg: 11.8°C / 53.2°F
  • Min: 10.1°C / 50.1°F
San Francisco average sea temperature chart

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

Map showing location of San Francisco (37.774930, -122.419420)

Locations nearby


Whilst sea temperatures for San Francisco 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 Francisco
Franciscopolis, Frisco, Gorad San-Francyska, Kapalakiko, Khiu-kim-san, Khiu-kîm-sân, Lungsod ng San Francisco, SFO, San Francisco, San Franciscu, San Franciskas, San Francisko, San Fransisco, San Fransisko, San Frantzisko, San Phransisko, San-Francisko, San-Fransisko, Sanfrancisko, Sao Francisco, São Francisco, can pirancisko, jiu jin shan, saenpeulansiseuko, saina phransisko, san f ran si s ko, san fransskw, san fransyskw, san phransisko, sana phransisako ka'unti, sana phransisko, sanfuranshisuko, sena phransisko, sn prnsysqw, Σαν Φρανσίσκο, Горад Сан-Францыска, Сан Франсиско, Сан Франциско, Сан-Франциско, Сан-Франціско, Սան Ֆրանցիսկո, סאן פראנציסקא, סן פרנסיסקו, سان فرانسسکو, سان فرانسيسكو, سانفرانسیسکۆ, سان‌فرانسیسکو, सॅन फ्रान्सिस्को, सैन फ्रांसिस्को, সান ফ্রান্সিসকো কাউন্টি, সান ফ্রান্সিস্কো, சான் பிரான்சிஸ்கோ, శాన్ ఫ్రాన్సిస్కో, സാൻ ഫ്രാൻസിസ്കോ, ซานฟรานซิสโก, སན་ཧྥུ་རན་སིས་ཁོ, ဆန်ဖရန်စစ္စကိုမြို့, სან-ფრანცისკო, サンフランシスコ, 旧金山, 샌프란시스코

San Francisco average sea temperature chart