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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 Wednesday 13 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
12.2° 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 5AM is: 2.1m 11s primary swell from a West-northwest direction and 0.5m 13s secondary swell from a South-southwest direction, 0.4m 18s secondary swell from a South-southwest direction (forecast issued at 10:00pm May 13). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 May) | 7ft (2.1m) | 11s |
| Afternoon (14 May) | 10ft (3.0m) | 8s |
| Evening (14 May) | 11ft (3.5m) | 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 afternoon, min 9°C on Wed night). Winds increasing (light winds from the NNW on Thu morning, near gales from the NNW by Sat afternoon). | ||||||||||||||||||||||||
Wed 13 | Thursday 14 | Friday 15 | Saturday 16 | |||||||||||||||||||||
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 |   |    |    |    | ||||||||||||||||||||
WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 7 | NW 7 | NW 7 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 9 | |
658 | 559 | 1291 | 1074 | 1054 | 1022 | 770 | 1317 | 1456 | 1128 | 756 | 585 | 489 | 679 | 1289 | 1742 | 1715 | 1109 | 864 | 866 | 908 | 1200 | 1768 | 2699 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | 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 | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | |
High Tide | 9:12PM1.74m | 10:18AM1.25m | 9:45PM1.87m | 11:18AM1.28m | 10:23PM1.99m | 12:15PM1.30m | ||||||||||||||||||
Low Tide | 3:58AM-0.06m | 3:24PM0.44m | 4:44AM-0.29m | 4:07PM0.54m | 5:30AM-0.47m | 4:51PM0.62m | ||||||||||||||||||
 |  | | | | | | | | | | | | | | | |  | | | | | | | |
 | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — |
 | 8:19 | — | — | — | — | — | — | — | 8:20 | — | — | — | — | — | — | — | 8:21 | — | — | — | — | — | — | 8:22 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 10 | 9 | 9 | 9 | 12 | 13 | 12 | 13 | 12 | 10 | 9 | 10 | 12 | 12 | 12 | 12 | 11 | 10 | 10 | 11 | 12 | 12 | 12 |
6 | 7 | 7 | 6 | 7 | 8 | 7 | 4 | 5 | 5 | 4 | 4 | 5 | 6 | 3 | 3 | 3 | 4 | 2 | 3 | 4 | 3 | 1 | 1 | |
Swell 1 Height (m) Direction Period (s) | WNW 12 | WNW 12 | SSW 13 | SSW 13 | WNW 11 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | WNW 15 | WNW 14 | WNW 14 | WNW 14 | SSW 14 | SSW 14 | SSW 15 |
 kJ | 658 | 559 | 102 | 102 | 1054 | 229 | 380 | 371 | 295 | 295 | 288 | 169 | 339 | 326 | 318 | 296 | 292 | 530 | 561 | 630 | 612 | 158 | 163 | 167 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | SSW 13 | SSW 18 | SSW 18 | SSW 13 | SSW 13 | S 12 | S 13 | S 13 | WNW 19 | NW 18 | W 10 | W 9 | WNW 16 | S 11 | S 10 | S 10 | SSW 15 | SSW 14 | SSW 15 | SSW 14 | S 16 | S 16 | SW 19 |
| kJ | 104 | 102 | 104 | 123 | 69 | 68 | 11 | 14 | 14 | 34 | 81 | 46 | 45 | 234 | 2 | 2 | 2 | 231 | 156 | 87 | 158 | 46 | 46 | 15 |
Swell 3 Height (m) Direction Period (s) | SSW 18 | SSW 18 | S 12 | S 12 | SSW 17 | S 12 | W 20 | S 12 | S 12 | S 13 | S 11 | S 14 | WNW 17 | S 11 | S 18 | — | — | S 11 | S 16 | SSW 13 | S 16 | — | SW 19 | — |
| kJ | 124 | 104 | 11 | 11 | 100 | 11 | 8 | 11 | 3 | 14 | 2 | 107 | 117 | 2 | 25 | — | — | 2 | 132 | 60 | 46 | — | 15 | — |
Wind waves Height (m) Direction Period (s) | NW 6 | NW 7 | WNW 11 | WNW 11 | — | WNW 10 | WNW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 7 | NW 7 | NW 7 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 9 |
| kJ | 248 | 398 | 1291 | 1074 | — | 1022 | 770 | 1317 | 1456 | 1128 | 756 | 585 | 489 | 679 | 1289 | 1742 | 1715 | 1109 | 864 | 866 | 908 | 1200 | 1768 | 2699 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 273 | 29 | 0 | 0 | 0 | 129 | 304 | 303 | 303 | 277 | 59 | 59 | 59 | 304 | 304 | 304 | 303 | 303 | 235 | 219 | 273 | 303 | 304 | 305 |
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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