Water temperature in Isla San Francisco
This data the coastal Isla San Francisco ocean water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.
Current ocean temperature in Isla San Francisco
Water temperature in Isla San Francisco today is 88.7°F. Based on our historical data over a period of ten years, the warmest water in this day in the Gulf of California near Isla San Francisco was recorded in 2023 and was 88.5°F, and the coldest was recorded in 2010 at 84.2°F. Sea water temperature in Isla San Francisco is expected to drop to 85.5°F in the next 10 days. September average water temperature in Isla San Francisco is 85.6°F, the minimum temperature is 81.9°F, and the maximum is 89.2°F.
The swimming season in Isla San Francisco lasts from January to December, twelve months per year! During those months, Isla San Francisco water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Isla San Francisco in winter reaches 70.3°F, in spring 72.1°F, in summer the average temperature rises to 81.7°F, and in autumn it is 83.1°F.
Isla San Francisco water temperature now
| September 26, 2025 |
|---|
| today temp |
| 88.7°F |
| September 25, 2025 |
|---|
| yesterday temp |
| 88.5°F |
The ocean salinity in Isla San Francisco is 35.26‰, and the average salinity of the World Ocean is 35‰.
Surf Forecast in Isla San Francisco for today
Another important indicators for a comfortable holiday on the beach are the presence and height of the waves, as well as the speed and direction of the wind. Please find below data on the swell size for Isla San Francisco. We calculate the swell size based on the mean wave height (trough to crest) of each third highest wave. For more information on surf forecasts for the next ten days, please visit sea state forecast Isla San Francisco. Data in table shown for September 26, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
| 0' 11" | 1' 2" | 1' 2" | 1' 0" |
| 0.28 m | 0.36 m | 0.35 m | 0.31 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 0' 10" | 0' 9" | 0' 8" | 0' 9" |
| 0.26 m | 0.22 m | 0.2 m | 0.22 m |
Surf report in Isla San Francisco
Isla San Francisco weather forecast
Current temperature and weather
Data in a table show Isla San Francisco temperature today (September 26, 2025). For more information and forecast for a few days, go to the weather forecast Isla San Francisco.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 | |  |  |
| 75°F | 74.3°F | 71.8°F | 72.7°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| | | |
| 74.8°F | 83.7°F | 83.3°F | 79.7°F |
You may also be interested in other sections of our site for Isla San Francisco: Sunrise and Sunset, Tides
Isla San Francisco water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in Isla San Francisco. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Isla San Francisco on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve
Chart monthly average water temperature in Isla San Francisco
