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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 am Wednesday 29 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
12.5° C
(Which is slightly warmer than usual)How big are the waves at Big River today?
The current surf forecast for Big River at 6PM is: 1.1m 16s primary swell from a Northwest direction and 0.7m 10s secondary swell from a West-northwest direction, 1.8m 8s secondary swell from a Northwest direction (forecast issued at 10:00am April 29). The wind direction is predicted to be cross-shore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Apr) | 3ft (0.9m) | 18s |
| Afternoon (29 Apr) | 3.5ft (1.1m) | 16s |
| Evening (29 Apr) | 3.5ft (1.1m) | 15s |
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 Thu morning, min 9°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 29 | Thursday 30 | Friday 1 | Sat 2 | |||||||||||||||||||||
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 | 2 AM | 5 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NW 18 | WNW 17 | NW 16 | NW 16 | NW 15 | WNW 15 | WNW 14 | WNW 14 | WNW 14 | WNW 13 | WNW 13 | WNW 13 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | |
455 | 386 | 595 | 587 | 509 | 568 | 701 | 612 | 607 | 545 | 465 | 528 | 559 | 627 | 574 | 589 | 565 | 634 | 781 | 952 | 1081 | 979 | 629 | 470 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross | cross | cross | cross-off | glassy | cross-off | cross-off | cross-off | cross-on | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross | cross-off | cross-off | cross-off | |
High Tide | 10:53AM1.27m | 10:34PM1.71m | 11:43AM1.25m | 11:01PM1.73m | 12:30PM1.23m | 11:28PM1.73m | ||||||||||||||||||
Low Tide | 4:15PM0.39m | 5:17AM-0.08m | 4:47PM0.51m | 5:54AM-0.16m | 5:18PM0.61m | |||||||||||||||||||
 | | | | |  | | | |  | | | | | |  | |  | | | | | |  | |
 | 6:18 | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:15 |
 | — | — | — | — | 8:06 | — | — | — | — | — | — | — | 8:07 | — | — | — | — | — | — | — | 8:07 | — | — | 8:08 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 10 | 11 | 12 | 11 | 10 | 10 | 10 | 9 | 10 | 13 | 12 | 12 | 11 | 10 | 10 | 10 | 10 | 12 | 12 | 12 | 11 | 11 | 10 | 10 |
8 | 7 | 8 | 7 | 7 | 9 | 8 | 6 | 7 | 11 | 9 | 8 | 9 | 9 | 8 | 9 | 7 | 9 | 7 | 7 | 8 | 9 | 7 | 7 | |
Swell 1 Height (m) Direction Period (s) | NW 18 | WNW 17 | NW 16 | NW 16 | NW 15 | NW 8 | WNW 14 | WNW 14 | WNW 14 | NW 8 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 |
 kJ | 455 | 386 | 595 | 587 | 509 | 470 | 701 | 612 | 607 | 364 | 465 | 528 | 458 | 346 | 330 | 330 | 335 | 346 | 408 | 335 | 325 | 314 | 517 | 443 |
Swell 2 Height (m) Direction Period (s) | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 15 | SW 15 | SW 15 | SW 14 | WNW 13 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | WSW 13 | SW 13 |
| kJ | 149 | 128 | 121 | 94 | 114 | 568 | 33 | 75 | 74 | 545 | 54 | 33 | 32 | 31 | 29 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 17 | 28 |
Swell 3 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | WNW 10 | S 15 | S 11 | S 11 | SW 14 | S 11 | S 11 | S 13 | S 13 | S 13 | S 13 | S 11 | S 11 | S 10 | S 10 | S 12 | S 12 | S 12 | S 12 |
| kJ | 64 | 38 | 36 | 35 | 34 | 115 | 17 | 9 | 9 | 54 | 9 | 9 | 14 | 14 | 14 | 14 | 9 | 9 | 2 | 2 | 11 | 11 | 11 | 11 |
Wind waves Height (m) Direction Period (s) | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | — | NW 8 | NW 8 | NW 7 | — | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 |
| kJ | 291 | 324 | 306 | 373 | 446 | — | 403 | 326 | 309 | — | 371 | 424 | 559 | 627 | 574 | 589 | 565 | 634 | 781 | 952 | 1081 | 979 | 629 | 470 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 202 | 304 | 303 | 0 | 0 | 0 | 0 | 0 | 111 | 129 | 304 | 19 | 0 | 0 | 0 | 0 | 129 | 183 | 304 | 23 | 0 | 59 | 0 |
Best forecast wave conditions in Mendocino County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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