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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 Friday 08 May 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
12.5° C
(Which is slightly warmer than usual)How big are the waves at Big River today?
The current surf forecast for Big River at 2AM is: 1.8m 7s primary swell from a Northwest direction and 0.7m 15s secondary swell from a West-northwest direction, 0.6m 18s secondary swell from a South-southwest direction (forecast issued at 10:00pm May 08). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 May) | 2.5ft (0.8m) | 14s |
| Afternoon (09 May) | 2.5ft (0.8m) | 14s |
| Evening (09 May) | 3.5ft (1.0m) | 13s |
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 14°C on Mon morning, min 10°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Fri 8 | Saturday 9 | Sunday 10 | Monday 11 | |||||||||||||||||||||
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 | SSW 18 | WNW 14 | WNW 14 | SSW 20 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | SSW 16 | SSW 18 | WNW 12 | NW 7 | NW 7 | NW 7 | NW 7 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | |
382 | 404 | 275 | 207 | 268 | 264 | 253 | 257 | 356 | 398 | 420 | 427 | 383 | 470 | 377 | 645 | 777 | 516 | 488 | 563 | 477 | 460 | 460 | 515 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | |
High Tide | 6:37PM1.17m | 4:18AM1.31m | 7:15PM1.24m | 5:35AM1.24m | 7:45PM1.34m | 6:54AM1.20m | ||||||||||||||||||
Low Tide | 10:56PM0.93m | 11:47AM0.05m | 00:21AM0.83m | 12:35PM0.10m | 1:28AM0.66m | 1:19PM0.16m | ||||||||||||||||||
 |  | | | | | | |  | | | | | | | | | | | | | | | | |
 | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — |
 | 8:15 | — | — | — | — | — | — | — | 8:15 | — | — | — | — | — | — | — | 8:15 | — | — | — | — | — | — | 8:16 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 10 | 10 | 10 | 10 | 10 | 12 | 12 | 12 | 11 | 11 | 10 | 10 | 11 | 13 | 13 | 13 | 13 | 12 | 11 | 10 | 12 | 14 | 14 | 14 |
7 | 8 | 8 | 9 | 8 | 9 | 8 | 8 | 9 | 10 | 8 | 8 | 9 | 9 | 8 | 9 | 10 | 9 | 9 | 8 | 11 | 12 | 11 | 12 | |
Swell 1 Height (m) Direction Period (s) | WNW 16 | WNW 15 | WNW 15 | WNW 15 | WNW 14 | W 10 | W 10 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | W 11 | WNW 11 | WNW 12 | WNW 12 | WNW 12 | SSW 18 | WNW 10 | WNW 12 | WNW 11 | NW 7 | WNW 11 | WNW 11 | WNW 11 |
 kJ | 164 | 209 | 193 | 188 | 268 | 128 | 143 | 257 | 356 | 398 | 420 | 191 | 383 | 470 | 343 | 127 | 246 | 227 | 488 | 563 | 212 | 460 | 460 | 515 |
Swell 2 Height (m) Direction Period (s) | SW 13 | SW 18 | SSW 18 | SSW 18 | W 11 | WNW 14 | WNW 14 | W 9 | W 8 | W 8 | W 8 | SSW 16 | SSW 18 | SW 18 | SSW 18 | SSW 18 | WNW 12 | SSW 18 | SW 15 | SSW 16 | WNW 11 | NW 7 | NW 7 | NW 7 |
| kJ | 42 | 150 | 207 | 207 | 110 | 264 | 226 | 123 | 65 | 88 | 88 | 427 | 368 | 312 | 204 | 123 | 83 | 243 | 226 | 427 | 477 | 184 | 179 | 128 |
Swell 3 Height (m) Direction Period (s) | SW 17 | SW 13 | NW 10 | WNW 9 | SSW 18 | SSW 19 | SSW 20 | SSW 20 | SSW 16 | SW 16 | SW 16 | WNW 13 | SSW 12 | SSW 19 | SSW 19 | SSW 15 | SSW 14 | WNW 12 | S 18 | SW 11 | SSW 16 | SSW 16 | SSW 16 | SSW 16 |
| kJ | 75 | 42 | 25 | 34 | 180 | 207 | 253 | 218 | 169 | 261 | 261 | 186 | 14 | 123 | 123 | 85 | 140 | 83 | 160 | 5 | 326 | 291 | 291 | 291 |
Wind waves Height (m) Direction Period (s) | NW 7 | NW 7 | NW 7 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | NW 7 | NW 6 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | — | — | — | — |
| kJ | 382 | 404 | 275 | 167 | 114 | 114 | 141 | 182 | 217 | 275 | 213 | 299 | 284 | 284 | 377 | 645 | 777 | 516 | 423 | 271 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 23 | 0 | 0 | 0 | 0 | 183 | 277 | 303 | 23 | 0 | 0 | 0 | 0 | 129 | 202 | 304 | 202 | 0 | 0 | 0 | 0 | 111 | 160 | 29 |
Best forecast wave conditions in Mendocino County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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