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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 04 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
11.8° C
(Which is normal for this time of year)How big are the waves at Big River today?
The current surf forecast for Big River at 10AM is: 1.8m 14s primary swell from a West-northwest direction and 0.6m 9s secondary swell from a North-northwest direction (forecast issued at 04:00am May 04). The wind direction is predicted to be glassy and the swell rating is 4.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 May) | 6ft (1.8m) | 14s |
| Afternoon (04 May) | 5.5ft (1.7m) | 13s |
| Evening (04 May) | 5ft (1.6m) | 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 13°C on Mon afternoon, min 9°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 4 | Tuesday 5 | Wednesday 6 | ||||||||||||||||||||||
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 14 | WNW 14 | WNW 14 | WNW 14 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | SSW 15 | SSW 16 | SSW 16 | WNW 14 | WNW 13 | WNW 13 | WNW 12 | |
996 | 1427 | 1427 | 1111 | 936 | 824 | 812 | 799 | 659 | 608 | 477 | 405 | 405 | 399 | 317 | 306 | 239 | 302 | 310 | 310 | 347 | 468 | 469 | 493 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | glassy | cross-on | cross | cross | cross-off | glassy | glassy | glassy | glassy | cross-on | cross | cross | cross-off | cross-off | cross-off | glassy | glassy | cross | cross | cross | cross-off | cross | |
High Tide | 00:27AM1.67m | 2:51PM1.14m | 1:00AM1.62m | 3:46PM1.11m | 1:37AM1.55m | 4:46PM1.10m | ||||||||||||||||||
Low Tide | 7:46AM-0.19m | 6:56PM0.83m | 8:28AM-0.14m | 7:34PM0.88m | 9:15AM-0.09m | 8:22PM0.93m | ||||||||||||||||||
 |  |  | |  | | | |  | | |  | | | | | | | | | | | | | |
 | — | 6:13 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:10 | — | — | — | — | — | — | — | 8:12 | — | — | — | — | — | — | — | 8:13 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 12 | 11 | 10 | 11 | 12 | 13 | 13 | 11 | 10 | 10 | 10 | 11 | 12 | 11 | 11 | 10 | 10 |
11 | 12 | 12 | 11 | 11 | 11 | 12 | 11 | 10 | 9 | 10 | 10 | 11 | 11 | 9 | 8 | 8 | 9 | 10 | 9 | 8 | 8 | 8 | 9 | |
Swell 1 Height (m) Direction Period (s) | WNW 14 | WNW 14 | WNW 14 | WNW 14 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | SSW 16 | WNW 11 | WNW 14 | WNW 13 | WNW 13 | WNW 12 |
 kJ | 996 | 1427 | 1427 | 1111 | 936 | 824 | 812 | 799 | 659 | 608 | 477 | 405 | 405 | 399 | 317 | 306 | 239 | 173 | 310 | 230 | 347 | 468 | 469 | 493 |
Swell 2 Height (m) Direction Period (s) | NW 9 | SSW 15 | SSW 15 | NNW 9 | SSW 15 | SSW 16 | SSW 16 | NNW 8 | NNW 8 | SW 16 | SSW 17 | SSW 17 | SW 14 | SSW 14 | SW 15 | SW 15 | SW 15 | SSW 15 | WNW 11 | SSW 16 | SSW 16 | SW 15 | SW 14 | SW 14 |
| kJ | 164 | 121 | 121 | 52 | 199 | 220 | 169 | 44 | 46 | 129 | 184 | 377 | 208 | 268 | 217 | 220 | 226 | 302 | 135 | 310 | 306 | 229 | 211 | 208 |
Swell 3 Height (m) Direction Period (s) | SSW 15 | SW 18 | SW 18 | SSW 15 | NNW 9 | NNW 9 | NNW 8 | SW 16 | SW 16 | NNW 8 | SSW 14 | NNW 8 | NNW 8 | NNW 8 | S 12 | S 12 | S 12 | WNW 16 | WNW 15 | WNW 14 | S 12 | S 11 | NNW 8 | SW 19 |
| kJ | 85 | 80 | 80 | 123 | 68 | 52 | 46 | 127 | 127 | 36 | 104 | 25 | 44 | 28 | 11 | 11 | 11 | 51 | 126 | 186 | 11 | 10 | 6 | 59 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NNW 8 | NNW 8 | NNW 8 | NW 8 | NW 5 | NW 5 | WNW 11 | NW 8 | NW 6 | NW 7 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 46 | 45 | 44 | 53 | 17 | 18 | 204 | 116 | 75 | 111 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 82 | 196 | 43 | 0 | 0 | 0 | 0 | 0 | 111 | 183 | 202 | 0 | 0 | 0 | 0 | 0 | 160 | 304 | 305 | 0 | 7 |
Best forecast wave conditions in Mendocino County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Ocean Swells (m)- Wind Speed (km/h)
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