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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 Tuesday 28 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 4AM is: 1.6m 8s primary swell from a Northwest direction and 0.8m 11s secondary swell from a West-northwest direction (forecast issued at 10:00pm April 28). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| 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) | 7ft (2.1m) | 8s |
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). Winds increasing (calm on Tue night, fresh winds from the NNW by Fri afternoon). | ||||||||||||||||||||||||
Tue 28 | Wednesday 29 | Thursday 30 | Friday 1 | |||||||||||||||||||||
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 8 | NW 8 | NW 8 | NW 18 | WNW 17 | NW 16 | NW 16 | NW 8 | 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 | |
262 | 345 | 308 | 346 | 455 | 386 | 595 | 587 | 539 | 568 | 701 | 612 | 607 | 545 | 465 | 528 | 611 | 667 | 589 | 604 | 675 | 708 | 819 | 1078 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | glassy | cross-off | cross-off | cross-off | cross | cross | cross | cross | glassy | cross-off | cross-off | cross-off | cross | cross | cross | cross | glassy | cross-off | cross-off | cross-off | cross | cross | cross-off | |
High Tide | 10:07PM1.67m | 10:53AM1.27m | 10:34PM1.71m | 11:43AM1.25m | 11:01PM1.73m | 12:30PM1.23m | ||||||||||||||||||
Low Tide | 4:39AM0.04m | 4:15PM0.39m | 5:17AM-0.08m | 4:47PM0.51m | 5:54AM-0.16m | |||||||||||||||||||
 |  | | | | | | | | | | | | | |  | | | | |  | | | | |
 | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:16 | — | — | — | — |
 | 8:05 | — | — | — | — | — | — | — | 8:06 | — | — | — | — | — | — | — | 8:07 | — | — | — | — | — | — | 8:07 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 11 | 11 | 10 | 10 | 12 | 12 | 11 | 10 | 10 | 9 | 9 | 10 | 13 | 12 | 12 | 11 | 11 | 10 | 10 | 10 | 13 | 13 | 12 |
9 | 10 | 9 | 8 | 8 | 8 | 8 | 7 | 7 | 9 | 7 | 6 | 7 | 11 | 8 | 8 | 9 | 10 | 7 | 8 | 7 | 10 | 9 | 7 | |
Swell 1 Height (m) Direction Period (s) | WNW 12 | NW 8 | NW 8 | NW 8 | NW 8 | WNW 11 | NW 16 | NW 16 | NW 15 | WNW 15 | WNW 14 | WNW 14 | WNW 14 | NW 8 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 13 | WNW 13 | WNW 13 | WNW 13 |
 kJ | 161 | 345 | 308 | 257 | 270 | 143 | 595 | 587 | 509 | 568 | 701 | 612 | 607 | 267 | 465 | 528 | 458 | 346 | 330 | 325 | 281 | 346 | 402 | 395 |
Swell 2 Height (m) Direction Period (s) | S 11 | WNW 11 | WNW 11 | WNW 11 | NW 18 | WNW 17 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | SW 15 | SW 15 | WNW 9 | WNW 13 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 |
| kJ | 22 | 113 | 154 | 151 | 455 | 386 | 135 | 92 | 111 | 145 | 33 | 75 | 49 | 545 | 54 | 33 | 32 | 31 | 29 | 28 | 28 | 28 | 27 | 27 |
Swell 3 Height (m) Direction Period (s) | SW 13 | S 11 | NW 19 | WNW 19 | WNW 11 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | S 15 | S 11 | SW 14 | WNW 9 | S 11 | S 11 | S 13 | S 13 | S 13 | S 13 | S 11 | S 11 | S 10 | S 10 |
| kJ | 28 | 23 | 184 | 231 | 149 | 38 | 36 | 35 | 34 | 34 | 17 | 9 | 74 | 76 | 9 | 9 | 14 | 14 | 14 | 14 | 9 | 9 | 8 | 2 |
Wind waves Height (m) Direction Period (s) | NW 7 | — | — | NW 8 | NW 8 | 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 |
| kJ | 262 | — | — | 346 | 346 | 306 | 306 | 427 | 539 | 515 | 435 | 354 | 285 | — | 371 | 413 | 611 | 667 | 589 | 604 | 675 | 708 | 819 | 1078 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 202 | 160 | 304 | 23 | 0 | 0 | 0 | 0 | 59 | 129 | 304 | 19 | 0 | 0 | 0 | 0 | 129 | 183 | 304 |
Best forecast wave conditions in Mendocino County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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