Surf Forecasts:
How big are the waves at Big River today (23 Aug):
- Morning surf: Morning surf (23 Aug, local time) - 5ft (1.6m), 7s period with NW swell.
- Afternoon surf: Afternoon surf (23 Aug, local time) - 6ft (1.8m), 7s period with NW swell.
- Evening surf: Evening surf (23 Aug, local time) - 6ft (1.8m), 8s period with NW swell.
The current surf forecast for Big River at 7AM is: 1.6m 7s primary swell from a Northwest direction and 0.4m 12s secondary swell from a South-southwest direction (forecast issued at 10:00pm August 22). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Aug) | 5ft (1.6m) | 7s |
| Afternoon (23 Aug) | 6ft (1.8m) | 7s |
| Evening (23 Aug) | 6ft (1.8m) | 8s |
Table - waves today at Big River. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 16°C on Sun morning, min 12°C on Mon night). Wind will be generally light. | ||||||||||||||||||
Sat 22 | Sunday 23 | Monday 24 | ||||||||||||||||
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 |  | |  |  |  |  |  | |||||||||||
Wave Height (m) Direction Period (s) | SW 18 | NW 7 | NW 7 | NW 7 | NW 7 | SW 19 | SW 19 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | SW 18 | SW 18 | SW 18 | SW 17 | SW 17 |
Wave Graph  | ||||||||||||||||||
 kJ | 108 | 284 | 261 | 226 | 269 | 277 | 277 | 345 | 373 | 345 | 292 | 244 | 255 | 255 | 252 | 192 | 183 | 179 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | glassy | glassy | glassy | glassy | glassy | cross-on | cross-on | cross-on | glassy | glassy |
High Tide | 7:37PM1.64m | 10:24AM1.23m | 8:31PM1.69m | 10:51AM1.28m | 9:18PM1.75m | |||||||||||||
Low Tide | 3:11AM0.12m | 2:25PM0.97m | 3:52AM0.05m | 3:14PM0.90m | ||||||||||||||
 |  |  | | |  | | | | | | | | | | | | | |
 | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — |
 | 8:00 | — | — | — | — | — | — | 7:59 | — | — | — | — | — | — | — | 7:58 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 13 | 13 | 13 | 14 | 16 | 16 | 16 | 14 | 13 | 13 | 13 | 14 | 15 | 15 | 15 | 14 | 13 |
Feels °C | 13 | 13 | 12 | 12 | 13 | 14 | 14 | 15 | 14 | 13 | 13 | 13 | 14 | 14 | 14 | 15 | 14 | 13 |
Swell 1 Height (m) Direction Period (s) | WNW 10 | SSW 13 | SSW 12 | SSW 15 | NW 7 | SW 19 | NW 7 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 7 | NW 7 |
| kJ | 54 | 63 | 59 | 75 | 269 | 231 | 277 | 345 | 373 | 345 | 292 | 244 | 221 | 205 | 179 | 160 | 121 | 102 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | SW 17 | SSW 16 | SW 16 | SSW 12 | SSW 12 | SW 19 | SW 18 | SW 18 | SW 18 | S 16 | SW 18 | SW 18 | SW 18 | SW 18 | S 14 | S 14 | S 14 |
| kJ | 65 | 102 | 82 | 41 | 50 | 29 | 227 | 117 | 113 | 155 | 122 | 199 | 255 | 255 | 252 | 153 | 150 | 148 |
Swell 3 Height (m) Direction Period (s) | SW 18 | S 16 | SW 16 | SSW 12 | SW 19 | SSW 15 | SSW 16 | SSW 16 | SSW 16 | S 16 | SW 18 | S 15 | S 14 | S 14 | S 14 | SW 18 | SW 17 | SW 17 |
| kJ | 108 | 45 | 40 | 28 | 95 | 77 | 82 | 83 | 84 | 126 | 199 | 109 | 106 | 153 | 153 | 192 | 183 | 179 |
Wind waves Height (m) Direction Period (s) | NW 6 | NW 7 | NW 7 | NW 7 | — | NW 7 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 104 | 284 | 261 | 226 | — | 277 | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 111 | 160 | 23 | 0 | 0 | 0 | 0 | 0 | 85 | 160 | 129 | 0 | 0 |
Best forecast wave conditions in Mendocino County | ||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||
Header Global | ||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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