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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 11 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 11AM is: 2.1m 11s primary swell from a Northwest direction and 0.8m 16s secondary swell from a South-southwest direction, 1.6m 7s secondary swell from a Northwest direction (forecast issued at 04:00am May 11). The wind direction is predicted to be cross-shore.
| 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 (1.5m) | 11s |
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 8°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 11 | Tuesday 12 | Wednesday 13 | ||||||||||||||||||||||
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 | NW 8 | 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 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | |
583 | 478 | 1065 | 1027 | 550 | 515 | 515 | 906 | 878 | 759 | 447 | 380 | 319 | 270 | 280 | 380 | 514 | 531 | 356 | 438 | 781 | 755 | 743 | 1483 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross | cross | cross | cross | glassy | glassy | glassy | cross-off | cross | cross | cross-off | cross-off | glassy | glassy | cross | cross-off | cross | cross | cross-off | cross-off | cross-off | |
High Tide | 6:54AM1.20m | 8:13PM1.46m | 8:08AM1.20m | 8:41PM1.59m | 9:15AM1.22m | 9:12PM1.74m | ||||||||||||||||||
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 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:16 | — | — | — | — | — | — | — | 8:17 | — | — | — | — | — | — | — | 8:19 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 10 | 12 | 14 | 14 | 14 | 12 | 11 | 11 | 11 | 11 | 13 | 13 | 13 | 12 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 |
9 | 8 | 11 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 9 | 10 | 10 | 11 | 11 | 9 | 8 | 8 | 7 | 6 | 8 | |
Swell 1 Height (m) Direction Period (s) | WNW 12 | SSW 17 | 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 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 12 | WNW 12 | WNW 12 | SSW 13 |
 kJ | 583 | 432 | 1065 | 1027 | 550 | 515 | 515 | 906 | 878 | 759 | 447 | 380 | 319 | 270 | 280 | 380 | 514 | 531 | 356 | 438 | 781 | 755 | 743 | 102 |
Swell 2 Height (m) Direction Period (s) | SW 15 | SW 11 | SSW 16 | SSW 16 | NW 7 | NW 7 | NW 7 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | WNW 13 | WNW 13 | SSW 14 | SSW 14 | SSW 14 | SSW 18 |
| kJ | 226 | 5 | 326 | 291 | 128 | 128 | 124 | 402 | 322 | 207 | 196 | 188 | 242 | 242 | 242 | 242 | 242 | 186 | 290 | 239 | 166 | 123 | 104 | 104 |
Swell 3 Height (m) Direction Period (s) | S 18 | S 14 | SW 11 | S 14 | SSW 16 | SSW 16 | SSW 16 | S 16 | S 12 | S 17 | S 18 | S 17 | S 14 | S 14 | S 14 | S 11 | S 11 | W 15 | SSW 14 | SSW 14 | SSW 19 | SSW 18 | SSW 18 | S 12 |
| kJ | 160 | 4 | 5 | 4 | 291 | 291 | 402 | 5 | 3 | 52 | 25 | 24 | 16 | 16 | 4 | 2 | 10 | 38 | 138 | 125 | 72 | 64 | 124 | 11 |
Wind waves Height (m) Direction Period (s) | NW 7 | NW 8 | — | NW 7 | NW 7 | NW 7 | — | NW 7 | NW 6 | — | NW 6 | NW 6 | NW 5 | NW 5 | NW 5 | NW 5 | NW 4 | NW 4 | NW 4 | WNW 5 | WNW 5 | NW 5 | NW 6 | WNW 12 |
| kJ | 296 | 478 | — | 289 | 205 | 189 | — | 178 | 150 | — | 72 | 60 | 47 | 60 | 62 | 37 | 22 | 20 | 34 | 39 | 39 | 67 | 171 | 1483 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 85 | 155 | 29 | 13 | 0 | 0 | 0 | 0 | 160 | 160 | 277 | 0 | 0 | 0 | 43 | 190 | 279 | 304 | 305 | 277 | 29 |
Best forecast wave conditions in Mendocino County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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