- 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 am Thursday 28 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
11.6° C
(Which is slightly cooler than normal)How big are the waves at Big River today (28 May):
- Morning surf: Morning surf (28 May, local time) - 5ft (1.5m), 19s period with WNW swell.
- Afternoon surf: Afternoon surf (28 May, local time) - 6ft (1.9m), 18s period with WNW swell.
- Evening surf: Evening surf (28 May, local time) - 7ft (2.2m), 16s period with WNW swell.
The current surf forecast for Big River at 8AM is: 1.5m 19s primary swell from a West-northwest direction and 2.3m 10s secondary swell from a Northwest direction (forecast issued at 04:00am May 28). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 May) | 5ft (1.5m) | 19s |
| Afternoon (28 May) | 6ft (1.9m) | 18s |
| Evening (28 May) | 7ft (2.2m) | 16s |
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 15°C on Thu morning, min 8°C on Sat night). Winds increasing (calm on Thu night, fresh winds from the NNW by Sat afternoon). | ||||||||||||||||||||||||
Thursday 28 | Friday 29 | Saturday 30 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
NW 10 | WNW 20 | WNW 19 | WNW 18 | WNW 18 | WNW 17 | WNW 16 | WNW 16 | WNW 16 | WNW 15 | WNW 15 | WNW 14 | NW 14 | WNW 14 | WNW 14 | NW 8 | WNW 13 | WNW 13 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | |
1316 | 1281 | 1649 | 1901 | 2162 | 2215 | 2290 | 2419 | 2359 | 2069 | 1772 | 1604 | 2883 | 1351 | 943 | 842 | 734 | 734 | 742 | 822 | 1191 | 1701 | 1732 | 1336 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | glassy | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | |
High Tide | 11:01AM1.13m | 9:51PM1.76m | 11:51AM1.15m | 10:22PM1.77m | 12:36PM1.17m | 10:53PM1.77m | ||||||||||||||||||
Low Tide | 4:25AM-0.08m | 3:32PM0.67m | 5:03AM-0.17m | 4:09PM0.75m | 5:39AM-0.23m | 4:45PM0.81m | ||||||||||||||||||
 |  |  | | |  | | |  | |  | | | | |  | | | | | | | | | |
 | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:31 | — | — | — | — | — | — | — | 8:32 | — | — | — | — | — | — | — | 8:34 | — |
1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 12 | 13 | 15 | 13 | 13 | 12 | 11 | 11 | 11 | 11 | 12 | 13 | 11 | 10 | 10 | 9 | 9 | 9 | 10 | 10 | 11 | 11 | 10 |
9 | 10 | 11 | 12 | 9 | 9 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 6 | 6 | 7 | 6 | 5 | 5 | 4 | 3 | 4 | 5 | 5 | |
Swell 1 Height (m) Direction Period (s) | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | WNW 17 | WNW 16 | WNW 16 | WNW 16 | WNW 15 | WNW 15 | WNW 14 | SSW 14 | WNW 14 | WNW 14 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | SSW 14 | SSW 14 | SSW 14 | SSW 14 |
 kJ | 1316 | 1092 | 948 | 869 | 800 | 2215 | 2290 | 2419 | 2359 | 2069 | 1772 | 1604 | 145 | 1351 | 943 | 745 | 734 | 734 | 587 | 458 | 105 | 107 | 108 | 105 |
Swell 2 Height (m) Direction Period (s) | WNW 21 | WNW 20 | WNW 19 | WNW 18 | WNW 18 | NW 9 | NW 9 | NW 9 | NW 9 | NW 8 | SSW 14 | SSW 14 | S 21 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 19 | SSW 24 | SW 23 | SSW 22 |
| kJ | 882 | 1281 | 1649 | 1901 | 2162 | 654 | 508 | 412 | 293 | 219 | 145 | 145 | 9 | 156 | 160 | 115 | 110 | 107 | 105 | 104 | 37 | 54 | 138 | 199 |
Swell 3 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | NW 10 | SSW 14 | — | S 21 | S 21 | S 21 | — | S 26 | S 20 | SSW 19 | SSW 19 | SSW 24 | SSW 19 | SSW 18 | SSW 18 |
| kJ | 236 | 180 | 158 | 156 | 154 | 149 | 147 | 145 | 145 | 84 | 145 | — | 9 | 9 | 9 | — | 13 | 8 | 37 | 37 | 55 | 34 | 31 | 31 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | NW 8 | NW 8 | NW 14 | NW 7 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 |
| kJ | — | — | — | — | — | — | — | — | — | — | 313 | 375 | 2883 | 420 | 736 | 842 | 728 | 661 | 742 | 822 | 1191 | 1701 | 1732 | 1336 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 7 | 0 | 0 | 36 | 97 | 183 | 0 | 0 | 0 | 0 | 0 | 82 | 202 | 202 | 303 | 0 | 0 | 59 | 59 | 202 | 304 | 304 | 303 | 59 |
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