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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 4 am Tuesday 28 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
12.3° C
(Which is slightly warmer than usual)How big are the waves at Big River today?
The current surf forecast for Big River at 7AM is: 1.1m 9s primary swell from a Northwest direction and 0.8m 12s secondary swell from a West-northwest direction (forecast issued at 04:00am April 28). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Apr) | 4.5ft (1.3m) | 9s |
| Afternoon (28 Apr) | 3ft (0.9m) | 12s |
| Evening (28 Apr) | 5ft (1.6m) | 7s |
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 12°C on Tue morning, min 9°C on Tue morning). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 28 | Wednesday 29 | Thursday 30 | ||||||||||||||||||||||
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 | 8 PM | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
WNW 12 | WNW 12 | NW 9 | NW 9 | WNW 11 | WNW 12 | NW 7 | NW 8 | NW 8 | NW 8 | NW 18 | WNW 17 | NW 16 | NW 16 | NW 8 | NW 8 | WNW 14 | WNW 14 | WNW 14 | NW 8 | NW 8 | NW 8 | NW 9 | NW 9 | |
218 | 196 | 193 | 249 | 204 | 222 | 269 | 354 | 395 | 316 | 455 | 386 | 595 | 587 | 645 | 701 | 561 | 530 | 517 | 665 | 772 | 1026 | 1160 | 1104 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | cross-off | cross | cross | cross-off | cross-off | glassy | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | glassy | cross-off | cross-off | glassy | cross | cross | cross | cross-off | cross-off | |
High Tide | 9:59AM1.29m | 10:07PM1.67m | 10:53AM1.27m | 10:34PM1.71m | 11:43AM1.25m | |||||||||||||||||||
Low Tide | 3:56AM0.19m | 3:40PM0.27m | 4:39AM0.04m | 4:15PM0.39m | 5:17AM-0.08m | 4:47PM0.51m | ||||||||||||||||||
 | |  | | | | | | | | | | | | | | | | | | | | | | |
 | — | 6:20 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:05 | — | — | — | — | — | — | — | 8:06 | — | — | — | — | — | — | — | 8:07 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 10 | 9 | 9 | 12 | 12 | 12 | 11 | 11 | 10 | 9 | 9 | 11 | 12 | 11 | 10 | 10 | 9 | 9 | 10 | 12 | 12 | 12 | 11 | 11 |
9 | 7 | 7 | 9 | 8 | 8 | 9 | 10 | 8 | 7 | 7 | 8 | 8 | 7 | 7 | 9 | 6 | 7 | 9 | 9 | 8 | 8 | 9 | 9 | |
Swell 1 Height (m) Direction Period (s) | NW 6 | NW 8 | NW 9 | NW 9 | WNW 11 | WNW 12 | WNW 12 | NW 8 | NW 8 | WNW 11 | NW 8 | WNW 17 | NW 16 | NW 16 | NW 15 | WNW 15 | WNW 14 | WNW 14 | NW 8 | NW 8 | WNW 13 | WNW 13 | WNW 13 | WNW 13 |
 kJ | 96 | 196 | 193 | 176 | 204 | 222 | 180 | 354 | 308 | 151 | 324 | 386 | 595 | 587 | 509 | 568 | 561 | 530 | 517 | 555 | 465 | 528 | 357 | 341 |
Swell 2 Height (m) Direction Period (s) | WNW 12 | WNW 12 | WNW 11 | WNW 11 | NNW 9 | NNW 9 | S 11 | WNW 11 | WNW 11 | WNW 19 | NW 18 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | SW 15 | SW 15 | SW 15 | WNW 14 | WNW 13 | SW 14 | SW 14 | SW 14 | SW 14 |
| kJ | 218 | 174 | 166 | 157 | 53 | 44 | 22 | 115 | 154 | 231 | 455 | 141 | 133 | 92 | 151 | 34 | 33 | 75 | 486 | 472 | 54 | 33 | 32 | 31 |
Swell 3 Height (m) Direction Period (s) | NW 10 | SW 13 | SW 13 | SW 13 | SW 13 | S 11 | SW 13 | S 11 | NW 19 | SW 16 | WNW 11 | SW 16 | SW 15 | SW 15 | SW 15 | S 15 | S 15 | S 11 | SW 14 | SW 14 | S 11 | S 11 | S 13 | S 13 |
| kJ | 94 | 27 | 44 | 45 | 45 | 22 | 28 | 23 | 184 | 89 | 135 | 38 | 36 | 35 | 34 | 38 | 17 | 9 | 54 | 54 | 9 | 9 | 14 | 14 |
Wind waves Height (m) Direction Period (s) | — | — | — | NW 9 | NW 6 | NW 6 | NW 7 | — | NW 8 | NW 8 | — | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | — | NW 8 | NW 8 | NW 8 | NW 9 | NW 9 |
| kJ | — | — | — | 249 | 76 | 116 | 269 | — | 395 | 316 | — | 341 | 306 | 427 | 645 | 701 | 504 | 492 | — | 665 | 772 | 1026 | 1160 | 1104 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 29 | 7 | 0 | 0 | 0 | 111 | 160 | 305 | 0 | 0 | 0 | 0 | 0 | 129 | 304 | 718 | 0 | 0 | 0 | 0 | 0 | 111 | 129 | 304 |
Best forecast wave conditions in Mendocino County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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