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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 Sunday 10 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 1AM is: 1.5m 12s primary swell from a West-northwest direction and 0.7m 15s secondary swell from a Southwest direction, 1.9m 7s secondary swell from a Northwest direction (forecast issued at 10:00pm May 10). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | 7ft (2.1m) | 11s |
| Afternoon (11 May) | 5ft (1.5m) | 11s |
| Evening (11 May) | 5ft (1.6m) | 11s |
Table - waves today at Big River. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 5mm), mostly falling on Tue night. Very mild (max 14°C on Mon morning, min 10°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sun 10 | Monday 11 | Tuesday 12 | Wednesday 13 | |||||||||||||||||||||
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 8 | NW 7 | WNW 12 | NW 11 | NW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 12 | WNW 12 | |
734 | 407 | 583 | 1103 | 1065 | 524 | 524 | 515 | 515 | 862 | 785 | 439 | 447 | 380 | 319 | 319 | 280 | 361 | 539 | 463 | 303 | 572 | 781 | 944 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | glassy | glassy | glassy | glassy | cross | cross | cross-off | cross-off | glassy | cross-off | cross-on | cross | cross-on | cross-on | cross | |
High Tide | 7:45PM1.34m | 6:54AM1.20m | 8:13PM1.46m | 8:08AM1.20m | 8:41PM1.59m | 9:15AM1.22m | ||||||||||||||||||
Low Tide | 1:28AM0.66m | 1:19PM0.16m | 2:23AM0.44m | 2:01PM0.24m | 3:11AM0.19m | 2:43PM0.34m | ||||||||||||||||||
 |  | | | |  | | | | |  | | | | | | | | |  |  | | | | |
 | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — |
 | 8:15 | — | — | — | — | — | — | — | 8:16 | — | — | — | — | — | — | — | 8:17 | — | — | — | — | — | — | 8:19 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | 1 | — | — | |
Temp °C | 12 | 11 | 11 | 10 | 12 | 14 | 13 | 13 | 12 | 11 | 11 | 11 | 12 | 13 | 13 | 13 | 12 | 11 | 11 | 11 | 12 | 12 | 13 | 12 |
9 | 8 | 9 | 8 | 11 | 12 | 11 | 10 | 11 | 11 | 11 | 11 | 12 | 11 | 10 | 10 | 10 | 10 | 9 | 9 | 10 | 11 | 10 | 9 | |
Swell 1 Height (m) Direction Period (s) | WNW 10 | WNW 9 | WNW 12 | SSW 17 | NW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 12 | WNW 12 |
 kJ | 187 | 281 | 583 | 432 | 1065 | 524 | 524 | 515 | 515 | 862 | 785 | 439 | 447 | 380 | 319 | 319 | 280 | 361 | 539 | 463 | 303 | 572 | 781 | 944 |
Swell 2 Height (m) Direction Period (s) | SSW 18 | SSW 18 | SW 15 | SW 11 | SSW 16 | NW 7 | NW 7 | NW 7 | NW 6 | SSW 16 | SSW 16 | NW 6 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | WNW 13 | WNW 13 | WNW 5 | SSW 14 |
| kJ | 246 | 243 | 226 | 5 | 326 | 205 | 135 | 124 | 96 | 402 | 322 | 80 | 196 | 188 | 242 | 242 | 242 | 242 | 242 | 186 | 290 | 295 | 37 | 161 |
Swell 3 Height (m) Direction Period (s) | SW 14 | WNW 12 | S 18 | S 14 | SW 11 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | S 16 | S 12 | SSW 15 | S 18 | S 17 | S 14 | S 14 | S 14 | NW 5 | S 13 | W 15 | SSW 14 | SSW 14 | SSW 14 | S 13 |
| kJ | 103 | 83 | 160 | 4 | 5 | 291 | 291 | 291 | 402 | 5 | 3 | 207 | 25 | 24 | 16 | 16 | 4 | 23 | 13 | 38 | 138 | 125 | 166 | 13 |
Wind waves Height (m) Direction Period (s) | NW 8 | NW 7 | NW 7 | NW 11 | — | — | NW 7 | — | — | NW 6 | — | — | NW 6 | NW 6 | NW 5 | NW 5 | NW 5 | — | — | NW 4 | WNW 4 | — | — | — |
| kJ | 734 | 407 | 296 | 1103 | — | — | 205 | — | — | 150 | — | — | 60 | 50 | 31 | 29 | 28 | — | — | 14 | 30 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 183 | 304 | 100 | 29 | 0 | 0 | 0 | 85 | 155 | 59 | 19 | 0 | 0 | 0 | 0 | 202 | 304 | 277 | 0 | 0 | 0 | 0 | 0 | 7 |
Best forecast wave conditions in Mendocino County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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