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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 10 pm Thursday 23 Apr 2026 PDTForecast 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
12.1° C
(Which is normal for this time of year)How big are the waves at Big River today?
The current surf forecast for Big River at 5AM is: 1.6m 7s primary swell from a Northwest direction and 0.9m 12s secondary swell from a West-northwest direction, 0.8m 10s secondary swell from a North-northwest direction (forecast issued at 10:00pm April 23). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 Apr) | 5.5ft (1.7m) | 8s |
| Afternoon (24 Apr) | 5.5ft (1.7m) | 9s |
| Evening (24 Apr) | 5ft (1.6m) | 8s |
Table - waves today at Big River. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 13°C on Sun morning, min 9°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 23 | Friday 24 | Saturday 25 | Sunday 26 | |||||||||||||||||||||
8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
NW 7 | NW 7 | NW 7 | NW 7 | NW 8 | NW 9 | NW 9 | NW 9 | NW 8 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | WNW 15 | WNW 16 | WNW 16 | WNW 16 | WNW 16 | WNW 15 | WNW 14 | WNW 14 | WNW 14 | |
428 | 392 | 264 | 239 | 382 | 430 | 430 | 384 | 349 | 379 | 351 | 287 | 230 | 202 | 172 | 225 | 263 | 366 | 362 | 469 | 445 | 400 | 508 | 501 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | glassy | cross-off | cross-off | glassy | cross | cross | cross | cross-off | cross-off | cross | cross-on | glassy | cross-on | on | on | glassy | glassy | glassy | glassy | glassy | cross-on | cross-on | cross | |
High Tide | 6:49PM1.25m | 5:07AM1.52m | 7:44PM1.33m | 6:31AM1.42m | 8:29PM1.43m | 7:50AM1.36m | ||||||||||||||||||
Low Tide | 11:21PM0.84m | 12:31PM-0.14m | 00:53AM0.73m | 1:29PM-0.05m | 2:07AM0.56m | 2:19PM0.04m | ||||||||||||||||||
 |  |  | |  |  | | | | | | | | | | | | | | | | | | | |
 | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:22 | — | — | — | — |
 | 8:00 | — | — | — | — | — | — | — | 8:00 | — | — | — | — | — | — | — | 8:01 | — | — | — | — | — | — | 8:02 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 10 | 10 | 9 | 9 | 9 | 11 | 11 | 11 | 10 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 12 | 13 | 13 | 12 |
7 | 9 | 7 | 7 | 8 | 8 | 7 | 7 | 6 | 8 | 9 | 9 | 10 | 10 | 9 | 10 | 10 | 11 | 9 | 9 | 11 | 10 | 9 | 8 | |
Swell 1 Height (m) Direction Period (s) | NW 13 | WNW 12 | WNW 12 | WNW 12 | NW 8 | NW 9 | WNW 12 | WNW 12 | S 15 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | WNW 14 | WNW 14 |
 kJ | 382 | 325 | 264 | 230 | 382 | 430 | 180 | 174 | 209 | 379 | 351 | 287 | 230 | 202 | 172 | 179 | 172 | 156 | 153 | 149 | 149 | 149 | 508 | 501 |
Swell 2 Height (m) Direction Period (s) | S 16 | S 16 | NNW 10 | NNW 10 | WNW 12 | WNW 12 | S 15 | S 15 | WNW 11 | S 15 | S 14 | WNW 11 | WNW 11 | WNW 15 | WNW 14 | WNW 15 | WNW 16 | WNW 16 | WNW 16 | WNW 16 | WNW 15 | WNW 14 | NW 8 | NW 8 |
| kJ | 330 | 246 | 92 | 116 | 187 | 184 | 150 | 150 | 113 | 155 | 148 | 79 | 79 | 121 | 165 | 225 | 263 | 366 | 362 | 469 | 445 | 400 | 145 | 126 |
Swell 3 Height (m) Direction Period (s) | NNW 10 | NNW 10 | S 16 | S 16 | S 15 | S 15 | WNW 16 | W 16 | W 16 | WNW 11 | WNW 11 | W 15 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 |
| kJ | 80 | 82 | 246 | 183 | 159 | 153 | 85 | 129 | 129 | 107 | 79 | 110 | 95 | 88 | 87 | 87 | 85 | 85 | 85 | 85 | 84 | 51 | 47 | 46 |
Wind waves Height (m) Direction Period (s) | NW 7 | NW 7 | NW 7 | NW 7 | — | — | NW 9 | NW 9 | NW 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 428 | 392 | 262 | 239 | — | — | 430 | 384 | 349 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 111 | 340 | 270 | 29 | 0 | 13 | 7 | 0 | 304 | 277 | 134 | 0 | 0 | 0 | 0 | 0 | 129 | 277 | 277 |
Best forecast wave conditions in Mendocino County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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