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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 16 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
11.7° 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 9AM is: 3.0m 8s primary swell from a Northwest direction and 1.3m 14s secondary swell from a West-northwest direction, 0.6m 14s secondary swell from a South-southwest direction (forecast issued at 04:00am May 16). The wind direction is predicted to be cross-offshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 May) | 10ft (3.0m) | 8s |
| Afternoon (16 May) | 13ft (4.0m) | 8s |
| Evening (16 May) | 15ft (4.5m) | 9s |
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 14°C on Sun afternoon, min 10°C on Sat night). Winds decreasing (near gales from the NW on Sat afternoon, light winds from the N by Mon morning). | ||||||||||||||||||||||||
Saturday 16 | Sunday 17 | Monday 18 | ||||||||||||||||||||||
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 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 9 | NW 9 | NW 9 | NW 9 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 9 | NW 10 | NW 10 | NW 10 | NW 10 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | |
908 | 676 | 715 | 1256 | 2000 | 3083 | 3223 | 2889 | 3016 | 3459 | 3815 | 3662 | 4393 | 4022 | 2621 | 1992 | 1507 | 1278 | 1147 | 1062 | 1198 | 1755 | 1988 | 1609 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 12:15PM1.30m | 11:04PM2.06m | 1:13PM1.30m | 11:49PM2.08m | 2:11PM1.29m | |||||||||||||||||||
Low Tide | 5:30AM-0.47m | 4:51PM0.62m | 6:19AM-0.58m | 5:38PM0.70m | 7:10AM-0.61m | 6:29PM0.76m | ||||||||||||||||||
 |  |  |  | | | | | | | | | | | | | | | | | | | | | |
 | — | 6:01 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:22 | — | — | — | — | — | — | — | 8:22 | — | — | — | — | — | — | — | 8:23 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 11 | 12 | 14 | 13 | 11 | 10 | 10 | 11 | 13 | 13 | 13 | 13 | 11 |
2 | 3 | 3 | 2 | 0 | -1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 4 | 6 | 7 | 7 | 7 | 8 | 9 | 8 | 8 | 8 | 8 | |
Swell 1 Height (m) Direction Period (s) | WNW 14 | WNW 14 | WNW 14 | SSW 14 | SSW 14 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | S 14 | S 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | NW 10 | NW 10 | SSW 13 | WNW 18 | WNW 18 | WNW 16 | WNW 16 |
 kJ | 561 | 630 | 612 | 158 | 163 | 167 | 165 | 165 | 165 | 165 | 120 | 106 | 101 | 62 | 60 | 60 | 59 | 1278 | 1147 | 34 | 124 | 209 | 452 | 683 |
Swell 2 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 14 | S 16 | S 16 | SW 19 | SW 19 | — | S 20 | S 20 | S 20 | SW 18 | SW 18 | SSW 18 | S 18 | SW 18 | SW 18 | SSW 13 | SSW 13 | WNW 19 | SSW 13 | S 16 | S 16 | SW 17 |
| kJ | 246 | 87 | 158 | 46 | 46 | 15 | 14 | — | 7 | 7 | 7 | 12 | 12 | 31 | 25 | 12 | 13 | 59 | 58 | 72 | 34 | 81 | 46 | 47 |
Swell 3 Height (m) Direction Period (s) | W 20 | SSW 13 | S 16 | — | SW 19 | — | — | — | — | — | S 20 | S 19 | — | S 18 | SW 18 | S 18 | S 18 | SSW 18 | SW 18 | SW 18 | S 16 | NW 15 | SW 17 | S 16 |
| kJ | 7 | 60 | 46 | — | 15 | — | — | — | — | — | 7 | 7 | — | 25 | 12 | 25 | 25 | 32 | 50 | 49 | 46 | 56 | 44 | 46 |
Wind waves Height (m) Direction Period (s) | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 9 | NW 9 | NW 9 | NW 9 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 9 | NW 10 | NW 10 | — | NNW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 |
| kJ | 908 | 676 | 715 | 1256 | 2000 | 3083 | 3223 | 2889 | 3016 | 3459 | 3815 | 3662 | 4393 | 4022 | 2621 | 1992 | 1507 | — | 630 | 1062 | 1198 | 1755 | 1988 | 1609 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 235 | 190 | 277 | 303 | 304 | 305 | 305 | 303 | 303 | 235 | 100 | 202 | 303 | 305 | 304 | 39 | 0 | 0 | 0 | 82 | 303 | 304 | 303 | 0 |
Best forecast wave conditions in Mendocino County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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