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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 Friday 29 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
11.0° C
(Which is 1.4°C colder than average for this time of year)How big are the waves at Big River today (29 May):
- Morning surf: Morning surf (29 May, local time) - 7ft (2.1m), 15s period with WNW swell.
- Afternoon surf: Afternoon surf (29 May, local time) - 7ft (2.2m), 14s period with WNW swell.
- Evening surf: Evening surf (29 May, local time) - 5ft (1.6m), 14s period with WNW swell.
The current surf forecast for Big River at 8AM is: 2.1m 15s primary swell from a West-northwest direction and 1.1m 8s secondary swell from a Northwest direction (forecast issued at 04:00am May 29). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 May) | 7ft (2.1m) | 15s |
| Afternoon (29 May) | 7ft (2.2m) | 14s |
| Evening (29 May) | 5ft (1.6m) | 14s |
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 12°C on Fri morning, min 8°C on Sat night). Winds decreasing (fresh winds from the NNW on Sat afternoon, light winds from the NNW by Sun night). | ||||||||||||||||||||||||
Friday 29 | Saturday 30 | Sunday 31 | ||||||||||||||||||||||
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 16 | WNW 15 | WNW 15 | WNW 14 | NW 14 | WNW 14 | WNW 14 | NW 8 | WNW 13 | WNW 13 | NW 8 | NW 9 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 10 | NW 10 | NW 10 | NW 10 | NW 9 | NW 9 | NW 9 | |
2359 | 2069 | 1772 | 2346 | 2423 | 1351 | 943 | 796 | 734 | 734 | 802 | 1160 | 1371 | 1701 | 1800 | 1398 | 908 | 815 | 1603 | 1672 | 1488 | 1569 | 1642 | 1464 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | cross-off | cross | cross | cross | 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 | cross | cross | cross-off | cross-off | |
High Tide | 11:51AM1.15m | 10:22PM1.77m | 12:36PM1.17m | 10:53PM1.77m | 1:18PM1.18m | |||||||||||||||||||
Low Tide | 5:03AM-0.17m | 4:09PM0.75m | 5:39AM-0.23m | 4:45PM0.81m | 6:14AM-0.25m | 5:21PM0.85m | ||||||||||||||||||
 |  |  |  | |  | | |  | | | | | | | | | | | | | | | | |
 | — | 5:52 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:32 | — | — | — | — | — | — | — | 8:34 | — | — | — | — | — | — | — | 8:34 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 11 | 11 | 12 | 12 | 11 | 11 | 10 | 10 | 9 | 9 | 10 | 11 | 11 | 11 | 10 | 8 | 8 | 9 | 12 | 12 | 11 | 11 | 10 |
10 | 10 | 9 | 9 | 9 | 7 | 8 | 7 | 7 | 5 | 5 | 4 | 5 | 4 | 4 | 4 | 4 | 5 | 6 | 8 | 8 | 6 | 8 | 8 | |
Swell 1 Height (m) Direction Period (s) | WNW 16 | WNW 15 | WNW 15 | WNW 14 | NW 14 | WNW 14 | WNW 14 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | WNW 11 | NW 10 | NW 10 | NW 10 | SSW 21 | SSW 20 | SSW 20 | SSW 20 |
 kJ | 2359 | 2069 | 1772 | 2346 | 2423 | 1351 | 943 | 745 | 734 | 734 | 630 | 104 | 105 | 107 | 108 | 105 | 386 | 815 | 1419 | 1480 | 483 | 500 | 603 | 596 |
Swell 2 Height (m) Direction Period (s) | NW 9 | NW 8 | NW 8 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 19 | SSW 19 | SSW 24 | SW 23 | SSW 22 | SSW 22 | SSW 22 | SSW 21 | SSW 21 | SSW 16 | SW 16 | SSW 16 | SSW 16 |
| kJ | 300 | 256 | 165 | 145 | 145 | 156 | 160 | 115 | 110 | 107 | 105 | 37 | 37 | 54 | 138 | 199 | 185 | 263 | 260 | 511 | 104 | 66 | 102 | 104 |
Swell 3 Height (m) Direction Period (s) | SSW 14 | SSW 14 | NW 10 | — | S 21 | S 21 | S 21 | S 26 | S 26 | S 20 | SSW 19 | SSW 24 | SSW 24 | SSW 19 | SSW 18 | SSW 18 | SSW 13 | SSW 18 | SSW 18 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 |
| kJ | 145 | 145 | 92 | — | 9 | 9 | 9 | 13 | 13 | 8 | 37 | 56 | 55 | 34 | 31 | 31 | 69 | 123 | 123 | 32 | 32 | 32 | 33 | 33 |
Wind waves Height (m) Direction Period (s) | — | — | — | NW 8 | — | NW 7 | NW 7 | NW 8 | NW 8 | NW 8 | NW 8 | NW 9 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 9 | NW 10 | NW 10 | NW 9 | NW 9 | NW 9 |
| kJ | — | — | — | 313 | — | 312 | 585 | 796 | 684 | 678 | 802 | 1160 | 1371 | 1701 | 1800 | 1398 | 908 | 515 | 1603 | 1672 | 1488 | 1569 | 1642 | 1464 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 202 | 304 | 305 | 303 | 29 | 59 | 59 | 82 | 202 | 304 | 303 | 303 | 59 | 39 | 0 | 0 | 129 | 183 | 304 | 0 | 0 |
Best forecast wave conditions in Mendocino County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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