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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 Saturday 23 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
10.4° C
(Which is 1.8°C colder than average for this time of year)How big are the waves at Big River today?
The current surf forecast for Big River at 7AM is: 1.5m 8s primary swell from a Northwest direction and 0.9m 10s secondary swell from a Northwest direction (forecast issued at 04:00am May 23). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 May) | 4.5ft (1.4m) | 8s |
| Afternoon (23 May) | 2.5ft (0.7m) | 16s |
| Evening (23 May) | 2.5ft (0.7m) | 16s |
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 12°C on Sat afternoon, min 9°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 23 | Sunday 24 | Monday 25 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
NW 9 | NW 8 | NW 8 | NW 8 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | NW 16 | NW 16 | NW 16 | NW 15 | WNW 15 | WNW 14 | WNW 14 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | SSW 17 | SSW 17 | SSW 17 | |
669 | 358 | 284 | 233 | 255 | 255 | 258 | 258 | 258 | 258 | 268 | 376 | 358 | 496 | 568 | 774 | 617 | 590 | 640 | 640 | 555 | 550 | 563 | 569 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | glassy | glassy | on | on | on | glassy | glassy | glassy | glassy | glassy | on | on | on | cross-on | cross | cross-off | cross-off | cross-on | on | on | cross-on | cross-off | cross-off | |
High Tide | 4:52AM1.41m | 6:55PM1.49m | 6:15AM1.25m | 7:38PM1.57m | 7:39AM1.15m | 8:16PM1.65m | ||||||||||||||||||
Low Tide | 11:21PM0.73m | 11:48AM-0.05m | 00:45AM0.59m | 12:40PM0.12m | 1:57AM0.41m | 1:28PM0.27m | ||||||||||||||||||
 | |  | | | | |  | | | | |  | | | | | | |  | | | |  | |
 | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:28 | — | — | — | — | — | — | — | 8:29 | — | — | — | — | — | — | — | 8:30 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 9 | 9 | 10 | 11 | 12 | 11 | 10 | 10 | 9 | 9 | 10 | 11 | 11 | 11 | 10 | 10 | 9 | 9 | 10 | 11 | 11 | 12 | 12 | 11 |
8 | 8 | 9 | 8 | 9 | 9 | 9 | 9 | 8 | 8 | 9 | 8 | 7 | 9 | 9 | 8 | 7 | 7 | 8 | 9 | 8 | 10 | 10 | 7 | |
Swell 1 Height (m) Direction Period (s) | NW 9 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | WNW 9 | NW 8 | NW 8 | NNW 8 | NW 15 | WNW 15 | WNW 14 | WNW 14 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | NW 12 |
 kJ | 669 | 358 | 284 | 233 | 208 | 191 | 173 | 149 | 149 | 139 | 125 | 129 | 117 | 496 | 568 | 774 | 617 | 590 | 640 | 640 | 555 | 504 | 378 | 330 |
Swell 2 Height (m) Direction Period (s) | SW 15 | WNW 10 | NW 10 | NW 10 | NW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | NNW 8 | WNW 9 | NW 16 | NW 16 | NW 8 | NW 8 | NW 8 | SW 15 | SW 15 | SW 14 | SSW 15 | SSW 15 | SSW 17 | SSW 17 | SSW 17 |
| kJ | 109 | 133 | 142 | 142 | 139 | 125 | 125 | 164 | 122 | 100 | 110 | 376 | 358 | 109 | 93 | 59 | 217 | 217 | 214 | 353 | 367 | 550 | 563 | 569 |
Swell 3 Height (m) Direction Period (s) | S 12 | SSW 15 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | NW 16 | WNW 9 | NW 9 | WNW 9 | WNW 9 | SSW 14 | NW 7 | NNW 7 | SSW 17 | NW 7 | NW 7 | S 11 | NNW 7 | S 10 |
| kJ | 48 | 150 | 196 | 201 | 255 | 255 | 258 | 258 | 258 | 258 | 268 | 110 | 90 | 100 | 78 | 140 | 44 | 36 | 172 | 23 | 12 | 20 | 9 | 18 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | S 3 | — | — | — | — | — | — | — | — | — | NW 6 | NW 4 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 6 | — | — | — | — | — | — | — | — | — | 15 | 27 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 7 | 7 | 0 | 0 | 85 | 57 | 57 | 0 | 0 | 7 | 0 | 7 | 57 | 57 | 36 | 0 | 7 | 7 | 0 | 0 | 57 | 304 | 277 |
Best forecast wave conditions in Mendocino County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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