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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 Monday 27 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
12.4° C
(Which is slightly warmer than usual)How big are the waves at Big River today?
The current surf forecast for Big River at 11AM is: 1.0m 13s primary swell from a West-northwest direction and 1.1m 9s secondary swell from a Northwest direction (forecast issued at 04:00am April 27). The wind direction is predicted to be cross-onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Apr) | 3.5ft (1.0m) | 13s |
| Afternoon (27 Apr) | 3.5ft (1.0m) | 12s |
| Evening (27 Apr) | 4.5ft (1.4m) | 9s |
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 Mon morning, min 9°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 27 | Tuesday 28 | Wednesday 29 | ||||||||||||||||||||||
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 13 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | NW 10 | NW 9 | WNW 12 | WNW 12 | WNW 12 | NW 8 | WNW 11 | WNW 11 | WNW 12 | NW 7 | NW 8 | NW 8 | NW 8 | NW 18 | NW 8 | NW 16 | NW 16 | NW 15 | NW 8 | |
427 | 451 | 444 | 330 | 309 | 296 | 328 | 247 | 218 | 174 | 201 | 160 | 166 | 222 | 285 | 364 | 316 | 299 | 455 | 373 | 595 | 587 | 509 | 719 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-off | glassy | cross-on | cross | cross-off | cross-off | cross-off | off | off | cross-off | cross | cross | cross-off | cross-off | glassy | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | cross-off | |
High Tide | 8:59AM1.32m | 9:37PM1.61m | 9:59AM1.29m | 10:07PM1.67m | 10:53AM1.27m | 10:34PM1.71m | ||||||||||||||||||
Low Tide | 3:06AM0.37m | 3:02PM0.15m | 3:56AM0.19m | 3:40PM0.27m | 4:39AM0.04m | 4:15PM0.39m | ||||||||||||||||||
 |  |  | | |  |  |  | | | | | | | | | | | | | | | | | |
 | — | 6:22 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:04 | — | — | — | — | — | — | — | 8:05 | — | — | — | — | — | — | — | 8:06 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 10 | 10 | 12 | 12 | 11 | 11 | 10 | 10 | 9 | 9 | 12 | 12 | 12 | 11 | 11 | 10 | 10 | 9 | 11 | 12 | 11 | 11 | 10 |
9 | 8 | 9 | 9 | 8 | 7 | 8 | 8 | 9 | 7 | 7 | 9 | 8 | 8 | 9 | 10 | 8 | 8 | 7 | 8 | 9 | 7 | 10 | 8 | |
Swell 1 Height (m) Direction Period (s) | WNW 13 | NW 9 | NW 9 | NW 9 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | NW 8 | NW 7 | WNW 11 | WNW 12 | NW 7 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 16 | NW 16 | NW 15 | NW 8 |
 kJ | 427 | 255 | 206 | 206 | 309 | 278 | 255 | 247 | 218 | 174 | 201 | 139 | 166 | 222 | 285 | 364 | 316 | 299 | 306 | 284 | 595 | 587 | 509 | 719 |
Swell 2 Height (m) Direction Period (s) | S 12 | WNW 13 | WNW 13 | WNW 13 | S 12 | S 12 | S 12 | NNW 8 | NW 8 | NW 8 | WNW 11 | WNW 11 | SW 13 | NNW 9 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | NW 18 | NW 17 | WNW 10 | WNW 10 | WNW 10 | WNW 15 |
| kJ | 46 | 451 | 444 | 330 | 45 | 45 | 47 | 62 | 72 | 69 | 166 | 160 | 45 | 32 | 180 | 115 | 109 | 151 | 455 | 309 | 135 | 118 | 127 | 568 |
Swell 3 Height (m) Direction Period (s) | SW 15 | S 12 | S 12 | S 12 | SW 15 | SW 15 | SW 16 | S 11 | S 11 | SW 13 | SW 13 | SW 13 | S 11 | S 11 | S 11 | S 11 | NW 19 | WNW 19 | WNW 11 | WNW 11 | SW 15 | SW 15 | SW 15 | SW 15 |
| kJ | 33 | 45 | 45 | 45 | 35 | 36 | 40 | 22 | 22 | 27 | 44 | 45 | 21 | 22 | 22 | 23 | 184 | 231 | 151 | 130 | 36 | 35 | 34 | 34 |
Wind waves Height (m) Direction Period (s) | NW 9 | — | — | — | NW 10 | NW 10 | NW 9 | NW 6 | NW 6 | NW 6 | NW 6 | NNW 6 | NW 7 | NW 7 | — | — | — | — | — | NW 8 | NW 8 | NW 8 | NW 8 | — |
| kJ | 260 | — | — | — | 230 | 296 | 328 | 136 | 126 | 72 | 85 | 32 | 152 | 165 | — | — | — | — | — | 373 | 284 | 284 | 427 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 13 | 0 | 0 | 129 | 846 | 304 | 0 | 0 | 0 | 0 | 0 | 111 | 160 | 305 | 0 | 0 | 0 | 0 | 0 | 129 | 183 | 305 | 0 | 0 |
Best forecast wave conditions in Mendocino County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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