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Big River Surf Forecast
/ CAL – Mendocino County (14 breaks) / California (404 breaks) /
Big River surfForecast / CAL – Mendocino County / USA
48hr Weather and Surf, issued 10 am Thursday 31 Jul 2025 PDT
How big are the waves at Big River today?
The current surf forecast for Big River at 3PM is: 6ft 7s primary swell from a Northwest direction and 2ft 18s secondary swell from a South-southwest direction, 1ft 12s secondary swell from a South direction (forecast issued at 10:00am July 31). The wind direction is predicted to be cross-shore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Jul) | 6ft (1.8m) | 7s |
| Afternoon (31 Jul) | 6ft (1.9m) | 7s |
| Evening (31 Jul) | 7ft (2.1m) | 7s |
Table - waves today at Big River. (Swell directed towards the surf break)
Thursday 31 | Friday 01 | Saturday 02 | Sun 03 | |||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (ft) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 6 | 6 | 15 | 15 | 6 | 7 | 7 | 7 | 7 | 18 |
Wave (?)Graph  | ||||||||||||||||||||||||
| Energy (?) | 474 | 580 | 529 | 546 | 579 | 513 | 488 | 358 | 402 | 451 | 465 | 661 | 614 | 523 | 424 | 359 | 371 | 392 | 500 | 616 | 708 | 855 | 764 | 580 |
Wind (mph) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross | cross | 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- off | cross- off | cross- off | cross- off |
High Tide / height (ft) | 4:48PM 5.18 | 5:53AM 3.38 | 5:29PM 5.22 | 7:42AM 3.31 | 6:16PM 5.28 | |||||||||||||||||||
Low Tide / height (ft) | 9:54AM 1.9 | 11:48PM 1.51 | 10:30AM 2.43 | 12:58AM 1.21 | 11:15AM 2.85 | 2:00AM 0.85 | ||||||||||||||||||
Thursday 31 | Friday 01 | Saturday 02 | Sun 03 | |||||||||||||||||||||
| Sunrise | 6:13 | - | - | - | - | - | - | - | 6:13 | - | - | - | - | - | - | - | 6:15 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 8:28 | - | - | - | - | - | - | - | 8:27 | - | - | - | - | - | - | - | 8:25 | - | - | - |
 |  | | | |  | | | | | | | | | | | | | | | | | |  | |
Rain (in) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °F | 54 | 59 | 57 | 57 | 57 | 55 | 54 | 54 | 54 | 57 | 57 | 57 | 57 | 55 | 55 | 54 | 54 | 57 | 57 | 57 | 55 | 55 | 54 | 52 |
| Feels °F (?) | 52 | 55 | 52 | 52 | 55 | 54 | 52 | 52 | 52 | 54 | 52 | 52 | 52 | 52 | 54 | 52 | 52 | 54 | 52 | 52 | 52 | 52 | 50 | 48 |
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Recent Eyeball Surf Reports for CAL - Mendocino County
Continuing clean conditions at Big River (calm at Mendocino 2 miles from Big River). 7ft 7s swell from the NW to make surfable waves.
1 h 31 min ago
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