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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 30 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
10.6° C
(Which is 1.8°C colder than average for this time of year)How big are the waves at Big River today (30 May):
- Morning surf: Morning surf (30 May, local time) - 4.5ft (1.3m), 13s period with WNW swell.
- Afternoon surf: Afternoon surf (30 May, local time) - 10ft (3.0m), 8s period with NW swell.
- Evening surf: Evening surf (30 May, local time) - 11ft (3.5m), 8s period with NW swell.
The current surf forecast for Big River at 9AM is: 1.3m 13s primary swell from a West-northwest direction and 0.5m 14s secondary swell from a South-southwest direction, 2.1m 8s secondary swell from a Northwest direction (forecast issued at 04:00am May 30). The wind direction is predicted to be cross-offshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 May) | 4.5ft (1.3m) | 13s |
| Afternoon (30 May) | 10ft (3.0m) | 8s |
| Evening (30 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 Mon morning, min 8°C on Sat night). Winds decreasing (fresh winds from the NNW on Sat afternoon, light winds from the NNE by Mon night). | ||||||||||||||||||||||||
Saturday 30 | Sunday 31 | Monday 1 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
WNW 13 | WNW 13 | WNW 13 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 10 | NW 10 | NW 10 | NW 9 | NW 9 | NW 9 | NW 9 | NNW 9 | SSW 19 | SSW 19 | SSW 18 | WNW 10 | SSW 18 | SSW 18 | SSW 18 | |
734 | 734 | 630 | 581 | 857 | 1429 | 1843 | 1336 | 908 | 689 | 1677 | 1480 | 1457 | 1642 | 1642 | 1496 | 883 | 904 | 866 | 623 | 532 | 659 | 759 | 759 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | 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 | |
High Tide | 12:36PM1.17m | 10:53PM1.77m | 1:18PM1.18m | 11:26PM1.75m | 1:59PM1.19m | |||||||||||||||||||
Low Tide | 5:39AM-0.23m | 4:45PM0.81m | 6:14AM-0.25m | 5:21PM0.85m | 6:50AM-0.25m | 5:57PM0.87m | ||||||||||||||||||
 | |  | | | | | | | | | | | | | | | | |  | | | | | |
 | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:34 | — | — | — | — | — | — | — | 8:34 | — | — | — | — | — | — | — | 8:35 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 10 | 9 | 9 | 10 | 11 | 11 | 11 | 10 | 8 | 8 | 8 | 12 | 12 | 12 | 12 | 11 | 10 | 10 | 11 | 13 | 13 | 12 | 11 | 11 |
8 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 3 | 5 | 5 | 8 | 8 | 8 | 10 | 9 | 8 | 8 | 9 | 11 | 11 | 9 | 9 | 10 | |
Swell 1 Height (m) Direction Period (s) | WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | SSW 14 | SSW 14 | SSW 14 | WNW 11 | NW 10 | NW 10 | SSW 21 | SSW 21 | SSW 20 | SSW 20 | SSW 20 | NW 9 | NW 9 | NNW 9 | WNW 10 | WNW 10 | NW 10 | NNW 8 | WNW 9 |
 kJ | 734 | 734 | 630 | 466 | 353 | 107 | 108 | 105 | 386 | 689 | 1488 | 511 | 483 | 500 | 603 | 596 | 703 | 653 | 501 | 543 | 532 | 461 | 273 | 292 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 24 | SW 23 | SSW 22 | SSW 22 | SSW 22 | SSW 21 | SSW 13 | SSW 16 | SW 16 | SSW 16 | SSW 16 | WNW 11 | WNW 11 | WNW 10 | NNW 9 | NNW 9 | NNW 8 | WNW 10 | SSW 18 |
| kJ | 110 | 107 | 105 | 104 | 105 | 54 | 138 | 199 | 185 | 263 | 260 | 32 | 104 | 66 | 102 | 104 | 610 | 425 | 418 | 280 | 237 | 194 | 325 | 759 |
Swell 3 Height (m) Direction Period (s) | S 26 | S 20 | SSW 19 | SSW 19 | SSW 19 | SSW 19 | SSW 18 | SSW 18 | SSW 13 | SSW 18 | SSW 18 | — | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 20 | SSW 19 | SSW 19 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | S 13 |
| kJ | 13 | 8 | 37 | 37 | 37 | 34 | 31 | 31 | 69 | 123 | 123 | — | 32 | 32 | 33 | 33 | 485 | 904 | 866 | 623 | 503 | 659 | 759 | 3 |
Wind waves Height (m) Direction Period (s) | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 9 | NW 10 | NW 9 | NW 9 | NW 9 | NW 9 | NNW 9 | — | — | — | — | — | — | NNW 8 |
| kJ | 537 | 492 | 494 | 581 | 857 | 1429 | 1843 | 1336 | 908 | 532 | 1677 | 1480 | 1457 | 1642 | 1642 | 1496 | 883 | — | — | — | — | — | — | 249 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 82 | 183 | 304 | 303 | 303 | 59 | 59 | 0 | 0 | 129 | 183 | 304 | 0 | 0 | 0 | 0 | 0 | 202 | 160 | 29 | 19 | 19 |
Best forecast wave conditions in Mendocino County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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