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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 Sunday 24 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
10.8° C
(Which is 1.5°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 11AM is: 0.9m 16s primary swell from a Northwest direction and 1.0m 8s secondary swell from a Northwest direction (forecast issued at 04:00am May 24). The wind direction is predicted to be onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 May) | 2.5ft (0.7m) | 16s |
| Afternoon (24 May) | 3ft (0.9m) | 16s |
| Evening (24 May) | 4ft (1.2m) | 14s |
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 Sun morning, min 9°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 24 | Monday 25 | Tuesday 26 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
SW 16 | SW 16 | NW 16 | NW 16 | NW 16 | NW 15 | WNW 15 | WNW 14 | NW 14 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | SSW 17 | SSW 17 | SSW 17 | NW 15 | NW 14 | NW 14 | NW 14 | NW 14 | NW 14 | NW 14 | NW 14 | |
258 | 258 | 268 | 376 | 358 | 496 | 568 | 682 | 540 | 581 | 640 | 640 | 555 | 550 | 563 | 569 | 1850 | 3968 | 5084 | 5730 | 6077 | 6978 | 7943 | 6693 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross | cross-on | on | on | on | glassy | glassy | cross | cross-off | cross-on | on | on | cross-on | glassy | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | cross-off | |
High Tide | 6:15AM1.25m | 7:38PM1.57m | 7:39AM1.15m | 8:16PM1.65m | 8:56AM1.11m | 8:50PM1.70m | ||||||||||||||||||
Low Tide | 00:45AM0.59m | 12:40PM0.12m | 1:57AM0.41m | 1:28PM0.27m | 2:55AM0.22m | 2:12PM0.42m | ||||||||||||||||||
 | |  | | | | |  | | | | | | |  |  | | |  | | | | | | |
 | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:29 | — | — | — | — | — | — | — | 8:30 | — | — | — | — | — | — | — | 8:30 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 10 | 11 | 11 | 12 | 11 | 11 | 10 | 10 | 10 | 9 | 11 | 12 | 12 | 12 | 12 | 11 | 12 | 11 | 12 | 12 | 12 | 12 | 12 | 11 |
9 | 10 | 10 | 9 | 8 | 9 | 9 | 9 | 9 | 7 | 9 | 10 | 9 | 10 | 11 | 6 | 8 | 6 | 8 | 8 | 8 | 7 | 7 | 8 | |
Swell 1 Height (m) Direction Period (s) | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 15 | WNW 15 | WNW 14 | NW 14 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | NW 12 | NW 15 | NW 14 | NW 14 | NW 14 | NW 14 | NW 14 | SSW 16 | SSW 16 |
 kJ | 142 | 125 | 104 | 122 | 104 | 496 | 568 | 682 | 540 | 581 | 640 | 640 | 555 | 403 | 378 | 336 | 1850 | 3968 | 5084 | 5730 | 6077 | 6978 | 435 | 429 |
Swell 2 Height (m) Direction Period (s) | WNW 10 | WNW 9 | WNW 9 | NW 16 | NW 16 | NW 8 | NW 8 | NW 8 | SSW 15 | SW 15 | SW 14 | SSW 15 | SSW 15 | SSW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 15 | SSW 15 | SSW 16 | SSW 16 | SSW 16 | — | — |
| kJ | 122 | 113 | 110 | 376 | 358 | 84 | 67 | 67 | 188 | 217 | 214 | 353 | 367 | 550 | 563 | 569 | 556 | 439 | 451 | 463 | 463 | 435 | — | — |
Swell 3 Height (m) Direction Period (s) | SW 16 | SW 16 | NW 16 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | SSW 14 | NW 7 | NW 7 | SSW 17 | NNW 7 | S 11 | NW 6 | NNW 6 | NW 16 | S 10 | S 10 | S 10 | S 10 | S 10 | — | — | — |
| kJ | 258 | 258 | 268 | 110 | 110 | 96 | 75 | 140 | 42 | 43 | 172 | 19 | 20 | 14 | 8 | 96 | 8 | 7 | 7 | 7 | 7 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 4 | NW 5 | NW 6 | — | — | — | — | NW 14 | NW 14 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 31 | 71 | 160 | — | — | — | — | 7943 | 6693 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 7 | 19 | 36 | 57 | 209 | 0 | 0 | 7 | 0 | 19 | 36 | 846 | 209 | 0 | 129 | 82 | 82 | 59 | 84 | 279 | 273 | 304 | 257 |
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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