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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 Thursday 27 Nov 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
13.2° C
(Which is slightly warmer than usual)How big are the waves at Big River today?
The current surf forecast for Big River at 1PM is: 1.3m 11s primary swell from a West-northwest direction and 0.7m 17s secondary swell from a Northwest direction (forecast issued at 09:00am November 27). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (PST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Nov) | 4.5ft (1.3m) | 11s |
| Afternoon (27 Nov) | 4.5ft (1.4m) | 11s |
| Evening (27 Nov) | 7ft (2.2m) | 12s |
Table - waves today at Big River. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 27 | Friday 28 | Saturday 29 | Sun 30 | |||||||||||||||||||||
| 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) (?) | 12 | 11 | 11 | 11 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 16 | 15 | 14 | 14 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 467 | 435 | 419 | 581 | 1269 | 1313 | 1274 | 1331 | 1236 | 1267 | 1102 | 947 | 886 | 722 | 917 | 862 | 702 | 474 | 427 | 1108 | 1569 | 1527 | 1736 | 1497 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | glass | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- off | cross- off | off | glass | cross- off | off | cross- off | cross | cross- off | glass | off | cross- off | cross- off |
High Tide / height (m) | 5:03AM 1.44 | 3:11PM 1.41 | 5:37AM 1.53 | 4:34PM 1.32 | 6:09AM 1.65 | 6:02PM 1.26 | ||||||||||||||||||
Low Tide / height (m) | 10:04AM 1.01 | 10:19PM 0.17 | 11:22AM 0.84 | 11:05PM 0.27 | 12:28PM 0.61 | 11:52PM 0.39 | ||||||||||||||||||
Thursday 27 | Friday 28 | Saturday 29 | Sun 30 | |||||||||||||||||||||
| Sunrise | - | 7:11 | - | - | - | - | - | - | - | 7:11 | - | - | - | - | - | - | - | 7:13 | - | - | - | - | - | - |
| Sunset | - | - | - | 4:52 | - | - | - | - | - | - | - | 4:52 | - | - | - | - | - | - | - | 4:52 | - | - | - | - |
 |  | |  | |  |  | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 10 | 12 | 13 | 12 | 12 | 12 | 11 | 11 | 10 | 11 | 12 | 11 | 10 | 9 | 9 | 10 | 9 | 11 | 12 | 11 | 10 | 11 | 10 | 10 |
| Feels °C (?) | 7 | 10 | 9 | 9 | 11 | 11 | 10 | 9 | 9 | 9 | 9 | 9 | 8 | 7 | 8 | 8 | 6 | 9 | 9 | 8 | 8 | 9 | 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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