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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 Tuesday 19 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
9.2° C
(Which is 2.8°C colder than average for this time of year)How big are the waves at Big River today?
The current surf forecast for Big River at 12PM is: 1.5m 14s primary swell from a West-northwest direction and 2.2m 9s secondary swell from a Northwest direction (forecast issued at 04:00am May 19). The wind direction is predicted to be cross-shore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | 5ft (1.5m) | 14s |
| Afternoon (19 May) | 5ft (1.6m) | 14s |
| Evening (19 May) | 5ft (1.6m) | 13s |
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 14°C on Tue morning, min 9°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 19 | Wednesday 20 | Thursday 21 | ||||||||||||||||||||||
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 | NW 9 | WNW 14 | WNW 14 | WNW 14 | WNW 14 | NW 9 | NW 8 | WNW 13 | NW 13 | NW 13 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | |
945 | 910 | 899 | 947 | 1028 | 791 | 889 | 875 | 958 | 2045 | 2088 | 1055 | 987 | 1575 | 2159 | 1255 | 1291 | 582 | 1325 | 1249 | 1249 | 1179 | 1202 | 1178 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | glassy | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | glassy | cross | cross | cross | glassy | glassy | |
High Tide | 00:38AM2.04m | 3:10PM1.29m | 1:31AM1.93m | 4:11PM1.30m | 2:30AM1.78m | 5:11PM1.34m | ||||||||||||||||||
Low Tide | 8:04AM-0.58m | 7:26PM0.80m | 8:59AM-0.48m | 8:33PM0.83m | 9:56AM-0.36m | 9:53PM0.81m | ||||||||||||||||||
 | |  | | | | | | |  |  | | | | | | | | | | | | | | |
 | — | 5:58 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:24 | — | — | — | — | — | — | — | 8:25 | — | — | — | — | — | — | — | 8:25 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 9 | 9 | 12 | 14 | 14 | 13 | 12 | 11 | 10 | 10 | 12 | 13 | 13 | 12 | 10 | 10 | 9 | 10 | 12 | 14 | 14 | 14 | 12 | 11 |
6 | 6 | 9 | 10 | 10 | 9 | 10 | 9 | 8 | 7 | 11 | 10 | 9 | 8 | 6 | 7 | 7 | 8 | 11 | 12 | 12 | 12 | 11 | 10 | |
Swell 1 Height (m) Direction Period (s) | WNW 16 | NW 9 | NW 9 | NW 9 | WNW 14 | WNW 14 | WNW 13 | WNW 13 | WNW 13 | S 14 | NW 13 | SW 21 | WNW 12 | WNW 12 | SW 16 | WNW 11 | NW 9 | NW 8 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 |
 kJ | 945 | 668 | 781 | 798 | 1028 | 791 | 875 | 640 | 958 | 65 | 2088 | 224 | 500 | 378 | 122 | 492 | 1291 | 505 | 1325 | 1249 | 1249 | 1179 | 1202 | 1178 |
Swell 2 Height (m) Direction Period (s) | SW 17 | WNW 15 | WNW 14 | WNW 14 | S 15 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 21 | S 14 | SW 16 | SW 16 | S 14 | SW 15 | SW 15 | NW 10 | SW 19 | SW 19 | SW 19 | SW 15 | SW 15 | SW 15 |
| kJ | 45 | 829 | 899 | 947 | 69 | 69 | 96 | 96 | 69 | 67 | 224 | 61 | 90 | 89 | 57 | 116 | 112 | 582 | 303 | 303 | 184 | 115 | 116 | 116 |
Swell 3 Height (m) Direction Period (s) | S 16 | WNW 11 | S 16 | S 15 | SW 16 | S 15 | S 15 | S 15 | S 15 | SW 21 | S 14 | SW 16 | S 14 | S 14 | SW 21 | S 14 | S 14 | SW 19 | SW 15 | SW 15 | SW 15 | S 13 | S 13 | S 13 |
| kJ | 45 | 138 | 42 | 70 | 69 | 39 | 39 | 38 | 67 | 72 | 63 | 65 | 59 | 58 | 18 | 57 | 57 | 131 | 79 | 80 | 82 | 54 | 53 | 53 |
Wind waves Height (m) Direction Period (s) | NW 8 | NW 9 | — | — | NW 9 | NW 9 | NW 9 | NW 8 | NW 8 | NW 13 | NW 8 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | — | — | — | — | — | — | — | — |
| kJ | 897 | 910 | — | — | 731 | 777 | 889 | 875 | 567 | 2045 | 408 | 1055 | 987 | 1575 | 2159 | 1255 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 111 | 160 | 303 | 0 | 0 | 0 | 0 | 0 | 111 | 155 | 129 | 129 | 0 | 0 | 0 | 0 | 85 | 617 | 23 | 0 | 0 |
Best forecast wave conditions in Mendocino County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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