East Bay water temp
This data the coastal East Bay 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 water temperature in East Bay
Water temperature in East Bay today is 65.8°F. Based on our historical data over a period of ten years, the warmest water in this day in East Bay was recorded in 2017 and was 69.6°F, and the coldest was recorded in 2014 at 61.3°F. Water temperature in East Bay is expected to drop to 62.2°F in the next 10 days. September average water temperature in East Bay is 67.1°F, the minimum temperature is 60.4°F, and the maximum is 73.2°F.
The swimming season in East Bay lasts from July to September. During those months, East Bay water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in East Bay in winter reaches 38.7°F, in spring 37.8°F, in summer the average temperature rises to 65.7°F, and in autumn it is 58.3°F.
East Bay water temperature now
| September 26, 2025 |
|---|
| today temp |
| 65.8°F |
| September 25, 2025 |
|---|
| yesterday temp |
| 65.3°F |
Surf Forecast in East Bay 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 East Bay. 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 East Bay. 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' 2" | 0' 2" | 0' 3" | 0' 4" |
| 0.04 m | 0.05 m | 0.08 m | 0.09 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 0' 6" | 0' 11" | 1' 2" | 0' 11" |
| 0.16 m | 0.29 m | 0.36 m | 0.29 m |
Surf report in East Bay
East Bay weather forecast
Current temperature and weather
Data in a table show East Bay temperature today (September 26, 2025). For more information and forecast for a few days, go to the weather forecast East Bay.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 | | |  |
| 59°F | 58.5°F | 57.4°F | 59.5°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
|  | | |
| 60.8°F | 63.5°F | 63.3°F | 61°F |
You may also be interested in other sections of our site for East Bay: Sunrise and Sunset, Tides
East Bay water temperature by month
These figures shows the average, minimum and maximum monthly water temperature in East Bay. 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 East Bay 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
| Month | Avr | Min | Max | |
|---|---|---|---|---|
| January | 38.1°F | 32.2°F | 42.3°F | cold |
| Water temperature in East Bay in January | ||||
| February | 35.1°F | 31.1°F | 38.5°F | cold |
| Water temperature in East Bay in February | ||||
| March | 34.5°F | 30.7°F | 38.5°F | cold |
| Water temperature in East Bay in March | ||||
| April | 36.3°F | 30.6°F | 41.9°F | cold |
| Water temperature in East Bay in April | ||||
| May | 42.3°F | 35.4°F | 55.2°F | cold |
| Water temperature in East Bay in May | ||||
| June | 56.5°F | 42.8°F | 69.6°F | cold |
| Water temperature in East Bay in June | ||||
| July | 69.3°F | 60.3°F | 76.1°F | warm |
| Water temperature in East Bay in July | ||||
| August | 71.2°F | 64.9°F | 75.9°F | warm |
| Water temperature in East Bay in August | ||||
| September | 67.1°F | 60.4°F | 73.2°F | cold |
| Water temperature in East Bay in September | ||||
| October | 58.5°F | 50.5°F | 66.9°F | cold |
| Water temperature in East Bay in October | ||||
| November | 49.3°F | 42.1°F | 57.6°F | cold |
| Water temperature in East Bay in November | ||||
| December | 42.8°F | 37.2°F | 47.7°F | cold |
| Water temperature in East Bay in December | ||||
Chart monthly average water temperature in East Bay
