- Forecast
- Maps
- Live
- Weather State
- Spot Information
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 pm Tuesday 12 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 11PM is: 1.1m 12s primary swell from a West-northwest direction and 0.8m 15s secondary swell from a South-southwest direction, 0.8m 5s secondary swell from a Northwest direction (forecast issued at 04:00pm May 12). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 May) | - | - |
| Afternoon (12 May) | 4ft (1.2m) | 11s |
| Evening (12 May) | 3.5ft (1.1m) | 11s |
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 Tue afternoon, min 8°C on Wed night). Winds increasing (light winds from the NNE on Tue night, fresh winds from the NW by Fri morning). | ||||||||||||||||||||||||
Tue 12 | Wednesday 13 | Thursday 14 | Fri 15 | |||||||||||||||||||||
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 | 2 AM | 5 AM | 8 AM | 11 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WNW 11 | WNW 11 | SSW 15 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 7 | NW 7 | NW 7 | NW 7 | |
319 | 319 | 263 | 361 | 444 | 463 | 303 | 446 | 781 | 669 | 1715 | 636 | 1291 | 1123 | 1192 | 649 | 648 | 1132 | 1437 | 1157 | 735 | 604 | 503 | 573 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | |
High Tide | 8:41PM1.59m | 9:15AM1.22m | 9:12PM1.74m | 10:18AM1.25m | 9:45PM1.87m | |||||||||||||||||||
Low Tide | 2:01PM0.24m | 3:11AM0.19m | 2:43PM0.34m | 3:58AM-0.06m | 3:24PM0.44m | 4:44AM-0.29m | ||||||||||||||||||
 | |  |  |  |  | | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — |
 | — | — | 8:17 | — | — | — | — | — | — | — | 8:19 | — | — | — | — | — | — | — | 8:20 | — | — | — | — | 8:21 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 13 | 13 | 12 | 11 | 12 | 12 | 11 | 12 | 12 | 11 | 10 | 10 | 9 | 8 | 9 | 12 | 12 | 12 | 13 | 12 | 10 | 10 | 10 | 12 |
10 | 10 | 10 | 10 | 11 | 10 | 7 | 7 | 7 | 5 | 5 | 6 | 6 | 5 | 7 | 8 | 6 | 6 | 7 | 6 | 5 | 5 | 5 | 5 | |
Swell 1 Height (m) Direction Period (s) | WNW 11 | WNW 11 | WNW 11 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 12 | WNW 12 | SSW 14 | WNW 12 | SSW 13 | SSW 18 | SSW 13 | SSW 17 | WNW 10 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 |
 kJ | 319 | 319 | 263 | 361 | 444 | 463 | 303 | 446 | 781 | 669 | 104 | 636 | 102 | 176 | 69 | 229 | 173 | 371 | 295 | 295 | 263 | 169 | 270 | 326 |
Swell 2 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | WNW 13 | WNW 13 | SSW 14 | SSW 14 | SSW 18 | SSW 13 | SSW 18 | SSW 13 | SSW 17 | SSW 13 | SSW 16 | S 13 | S 13 | WNW 19 | NW 18 | W 9 | WNW 9 | WNW 16 |
| kJ | 242 | 242 | 242 | 242 | 242 | 186 | 290 | 239 | 168 | 123 | 124 | 102 | 104 | 68 | 100 | 68 | 380 | 14 | 14 | 34 | 81 | 64 | 90 | 234 |
Swell 3 Height (m) Direction Period (s) | S 14 | S 14 | S 14 | S 11 | S 11 | W 15 | SSW 14 | SSW 14 | SSW 19 | SSW 18 | S 13 | SSW 18 | S 12 | S 14 | SW 18 | S 12 | S 12 | S 12 | S 12 | S 13 | S 12 | S 14 | WNW 17 | S 11 |
| kJ | 16 | 16 | 4 | 2 | 10 | 38 | 138 | 125 | 72 | 64 | 13 | 104 | 11 | 34 | 79 | 11 | 11 | 3 | 3 | 14 | 3 | 107 | 117 | 2 |
Wind waves Height (m) Direction Period (s) | NW 5 | NW 5 | NW 5 | NW 5 | NW 4 | NW 4 | NW 5 | NW 5 | NW 5 | NW 6 | WNW 12 | NW 6 | WNW 11 | WNW 11 | WNW 11 | WNW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 7 | NW 7 | NW 7 | NW 7 |
| kJ | 38 | 35 | 48 | 35 | 23 | 39 | 55 | 55 | 80 | 145 | 1715 | 338 | 1291 | 1123 | 1192 | 649 | 648 | 1132 | 1437 | 1157 | 735 | 604 | 503 | 573 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 304 | 207 | 0 | 0 | 0 | 0 | 82 | 304 | 277 | 277 | 273 | 29 | 0 | 0 | 0 | 129 | 202 | 304 | 202 | 59 | 59 | 59 | 59 | 304 |
Best forecast wave conditions in Mendocino County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Big River surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest