Big Sur water temp
This data the coastal Big Sur 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 Big Sur
Water temperature in Big Sur today is 61°F. Based on our historical data over a period of ten years, the warmest water in this day in Big Sur was recorded in 2015 and was 65.3°F, and the coldest was recorded in 2024 at 54.3°F. Sea water temperature in Big Sur is expected to drop to 58.5°F in the next 10 days. September average water temperature in Big Sur is 58.6°F, the minimum temperature is 51.1°F, and the maximum is 66°F.
Throughout the year, the water temperature in Big Sur does not rise above 68°F and therefore is not suitable for comfortable swimming. The average water temperature in Big Sur in winter reaches 55.4°F, in spring 52.9°F, in summer the average temperature rises to 55.6°F, and in autumn it is 58.1°F.
Big Sur water temperature now
| September 26, 2025 |
|---|
| today temp |
| 61°F |
| September 25, 2025 |
|---|
| yesterday temp |
| 60.1°F |
The ocean salinity in Big Sur is 33.67‰, and the average salinity of the World Ocean is 35‰.
Surf Forecast in Big Sur 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 Big Sur. 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 Big Sur. Data in table shown for September 27, 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 |
|---|---|---|---|
| 4' 6" | 4' 6" | 4' 7" | 4' 7" |
| 1.38 m | 1.38 m | 1.39 m | 1.39 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 4' 11" | 5' 9" | 6' 4" | 6' 5" |
| 1.5 m | 1.76 m | 1.93 m | 1.95 m |
Surf report in Big Sur
Big Sur weather forecast
Current temperature and weather
Data in a table show Big Sur temperature today (September 27, 2025). For more information and forecast for a few days, go to the weather forecast Big Sur.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 | | |  |
| 63.7°F | 60.8°F | 59.7°F | 66.9°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| | | |
| 84°F | 89.2°F | 82.8°F | 72.1°F |
You may also be interested in other sections of our site for Big Sur: Sunrise and Sunset, Tides
Big Sur water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in Big Sur. 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 Big Sur 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 | 55.2°F | 52.2°F | 59.5°F | cold |
| Ocean water temperature in Big Sur in January | ||||
| February | 54.7°F | 50.4°F | 60.3°F | cold |
| Ocean water temperature in Big Sur in February | ||||
| March | 53.8°F | 48.9°F | 59.7°F | cold |
| Ocean water temperature in Big Sur in March | ||||
| April | 52.3°F | 46.4°F | 56.7°F | cold |
| Ocean water temperature in Big Sur in April | ||||
| May | 52.5°F | 48.4°F | 56.7°F | cold |
| Ocean water temperature in Big Sur in May | ||||
| June | 53.8°F | 49.5°F | 58.6°F | cold |
| Ocean water temperature in Big Sur in June | ||||
| July | 55.8°F | 48.9°F | 64.8°F | cold |
| Ocean water temperature in Big Sur in July | ||||
| August | 57.4°F | 50.5°F | 64.6°F | cold |
| Ocean water temperature in Big Sur in August | ||||
| September | 58.6°F | 51.1°F | 66°F | cold |
| Ocean water temperature in Big Sur in September | ||||
| October | 58.3°F | 52.2°F | 65.7°F | cold |
| Ocean water temperature in Big Sur in October | ||||
| November | 57.2°F | 52°F | 62.4°F | cold |
| Ocean water temperature in Big Sur in November | ||||
| December | 56.3°F | 52.7°F | 62.4°F | cold |
| Ocean water temperature in Big Sur in December | ||||
Chart monthly average water temperature in Big Sur
