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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 am Thursday 07 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 2PM is: 1.2m 12s primary swell from a West-northwest direction and 0.7m 14s secondary swell from a Southwest direction, 0.9m 7s secondary swell from a Northwest direction (forecast issued at 10:00am May 07). The wind direction is predicted to be cross-shore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 May) | 4.5ft (1.3m) | 12s |
| Afternoon (07 May) | 4ft (1.2m) | 12s |
| Evening (07 May) | 4ft (1.2m) | 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 Sat morning, min 10°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 7 | Friday 8 | Saturday 9 | Sun 10 | |||||||||||||||||||||
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 | 2 AM | 5 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | NW 10 | NW 6 | NW 7 | NW 7 | NW 7 | SSW 18 | WNW 14 | WNW 14 | WNW 14 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | NW 7 | |
477 | 469 | 399 | 392 | 366 | 302 | 291 | 242 | 242 | 196 | 530 | 305 | 524 | 459 | 275 | 207 | 268 | 264 | 285 | 253 | 356 | 405 | 405 | 308 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross-off | cross-off | cross-off | |
High Tide | 5:47PM1.12m | 3:13AM1.39m | 6:37PM1.17m | 4:18AM1.31m | 7:15PM1.24m | |||||||||||||||||||
Low Tide | 10:05AM-0.03m | 9:29PM0.95m | 10:56AM0.01m | 10:56PM0.93m | 11:47AM0.05m | 00:21AM0.83m | ||||||||||||||||||
 | |  | | |  | | | | | | | |  | | | | | | | | | | | |
 | 6:09 | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:05 |
 | — | — | — | — | 8:14 | — | — | — | — | — | — | — | 8:15 | — | — | — | — | — | — | — | 8:15 | — | — | 8:15 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 12 | 12 | 11 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 13 | 12 | 12 | 11 | 11 | 10 | 10 |
11 | 10 | 9 | 7 | 6 | 6 | 6 | 6 | 6 | 7 | 6 | 6 | 7 | 8 | 8 | 8 | 8 | 9 | 8 | 8 | 9 | 9 | 8 | 7 | |
Swell 1 Height (m) Direction Period (s) | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 16 | WNW 16 | WNW 16 | WNW 15 | WNW 15 | WNW 15 | WNW 14 | W 10 | W 10 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | W 11 |
 kJ | 477 | 469 | 399 | 392 | 366 | 302 | 291 | 242 | 242 | 196 | 100 | 169 | 217 | 209 | 193 | 188 | 268 | 128 | 153 | 253 | 356 | 405 | 405 | 251 |
Swell 2 Height (m) Direction Period (s) | NW 7 | NW 7 | SW 14 | SW 14 | SSW 14 | SSW 14 | SSW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SSW 13 | SW 13 | SW 18 | SSW 18 | SSW 18 | W 11 | WNW 14 | WNW 14 | W 9 | W 8 | SW 16 | W 9 | SW 16 |
| kJ | 91 | 77 | 203 | 158 | 125 | 121 | 118 | 85 | 85 | 84 | 83 | 65 | 42 | 150 | 207 | 207 | 108 | 264 | 285 | 126 | 64 | 261 | 78 | 271 |
Swell 3 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 20 | SSW 19 | SSW 18 | SSW 18 | WNW 18 | NW 17 | WNW 17 | WNW 16 | WSW 18 | SW 17 | SW 17 | SW 13 | WNW 10 | NW 10 | SSW 18 | SSW 19 | SSW 20 | SSW 20 | SSW 16 | W 8 | SW 16 | WNW 13 |
| kJ | 206 | 206 | 15 | 37 | 32 | 31 | 60 | 75 | 111 | 105 | 31 | 75 | 75 | 42 | 38 | 23 | 124 | 207 | 253 | 218 | 166 | 64 | 261 | 151 |
Wind waves Height (m) Direction Period (s) | — | — | NW 7 | NW 7 | NW 5 | NW 5 | NW 6 | NW 6 | NW 6 | NW 6 | NW 10 | NW 6 | NW 7 | NW 7 | NW 7 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | NW 7 | NW 7 | NW 7 | NW 7 |
| kJ | — | — | 75 | 84 | 46 | 58 | 89 | 111 | 92 | 103 | 530 | 305 | 524 | 459 | 275 | 206 | 167 | 151 | 172 | 220 | 298 | 331 | 275 | 308 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 183 | 279 | 257 | 273 | 39 | 29 | 82 | 82 | 277 | 304 | 303 | 273 | 0 | 0 | 0 | 0 | 202 | 277 | 304 | 23 | 0 | 0 | 0 |
Best forecast wave conditions in Mendocino County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wind Speed (km/h)
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Ocean Swells (m)- Wind Speed (km/h)
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