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Big River Surf Forecast
/ CAL – Mendocino County (14 breaks) / California (404 breaks) /
Surf Forecasts:
Big River surfForecast / CAL – Mendocino County / USA
48hr Weather and Surf, issued 9 am Tuesday 02 Dec 2025 PSTForecast update in hr min s Forecast update imminent
Big River surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Big River sea temperature is
13.3° C
(Which is slightly warmer than usual)How big are the waves at Big River today?
The current surf forecast for Big River at 12PM is: 2.5m 16s primary swell from a West-northwest direction and 0.4m 12s secondary swell from a South-southwest direction (forecast issued at 09:00am December 02). The wind direction is predicted to be cross-shore.
| Time (PST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 Dec) | 8ft (2.5m) | 16s |
| Afternoon (02 Dec) | 8ft (2.5m) | 16s |
| Evening (02 Dec) | 8ft (2.4m) | 16s |
Table - waves today at Big River. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 02 | Wednesday 03 | Thursday 04 | Fri 05 | |||||||||||||||||||||
| 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 3428 | 3563 | 3639 | 2979 | 2905 | 2576 | 2276 | 2216 | 1974 | 1591 | 1419 | 1224 | 849 | 724 | 623 | 538 | 424 | 411 | 386 | 313 | 379 | 323 | 254 | 236 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | glass | cross | cross- off | cross- off | cross- off | off | off | off | glass | cross | cross- off | glass | glass | glass | cross- off | glass | glass | cross | cross- off | glass | off | cross- off | cross- off |
High Tide / height (m) | 7:55AM 2.07 | 9:43PM 1.36 | 8:36AM 2.19 | 10:43PM 1.41 | 9:20AM 2.26 | 11:40PM 1.44 | ||||||||||||||||||
Low Tide / height (m) | 3:04PM -0.19 | 2:15AM 0.74 | 3:53PM -0.39 | 3:05AM 0.83 | 4:42PM -0.51 | 3:56AM 0.88 | ||||||||||||||||||
Tuesday 02 | Wednesday 03 | Thursday 04 | Fri 05 | |||||||||||||||||||||
| Sunrise | - | 7:16 | - | - | - | - | - | - | - | 7:16 | - | - | - | - | - | - | - | 7:18 | - | - | - | - | - | - |
| Sunset | - | - | - | 4:52 | - | - | - | - | - | - | - | 4:52 | - | - | - | - | - | - | - | 4:52 | - | - | - | - |
 |  |  | |  | | | |  | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 9 | 10 | 12 | 11 | 11 | 10 | 9 | 9 | 9 | 11 | 13 | 12 | 11 | 11 | 11 | 11 | 11 | 13 | 13 | 12 | 12 | 11 | 11 | 10 |
| Feels °C (?) | 7 | 9 | 9 | 8 | 7 | 6 | 7 | 7 | 6 | 8 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 10 | 10 | 9 | 9 | 8 | 8 | 7 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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