Surf Forecasts:
How big are the waves at Big River today (19 Aug):
- Morning surf: Morning surf (19 Aug, local time) - 6ft (1.9m), 7s period with NW swell.
- Afternoon surf: Afternoon surf (19 Aug, local time) - 6ft (1.9m), 8s period with NW swell.
- Evening surf: Evening surf (19 Aug, local time) - 6.5ft (2.0m), 7s period with NW swell.
The current surf forecast for Big River at 4AM is: 1.8m 7s primary swell from a Northwest direction and 0.8m 16s secondary swell from a South-southwest direction, 0.7m 13s secondary swell from a West-northwest direction (forecast issued at 10:00pm August 18). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Aug) | 6ft (1.9m) | 7s |
| Afternoon (19 Aug) | 6ft (1.9m) | 8s |
| Evening (19 Aug) | 6.5ft (2.0m) | 7s |
Table - waves today at Big River. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 14°C on Wed morning, min 11°C on Tue night). Wind will be generally light. | ||||||||||||||||||
Tue 18 | Wednesday 19 | Thursday 20 | ||||||||||||||||
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) | SSW 16 | SSW 16 | SSW 16 | SSW 16 | NW 7 | NW 8 | NW 8 | NW 8 | NW 7 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 |
Wave Graph  | ||||||||||||||||||
 kJ | 402 | 402 | 291 | 316 | 381 | 403 | 375 | 435 | 423 | 386 | 314 | 246 | 242 | 237 | 220 | 226 | 233 | 236 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | glassy | cross-off | cross | cross-off | cross | cross | cross | cross | cross-off | cross | glassy | cross-off | cross | cross | cross | cross | glassy |
High Tide | 5:26AM1.11m | 4:39PM1.64m | 7:13AM1.08m | 5:33PM1.61m | ||||||||||||||
Low Tide | 10:58PM0.32m | 9:55AM0.80m | 00:09AM0.29m | 10:47AM0.93m | ||||||||||||||
 |  |  | |  | | | | | | | | |  | | | |  | |
 | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — |
 | 8:06 | — | — | — | — | — | — | — | 8:05 | — | — | — | — | — | — | — | 8:04 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 13 | 12 | 11 | 12 | 14 | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 14 | 14 | 14 | 12 | 12 |
Feels °C | 11 | 13 | 11 | 9 | 11 | 12 | 11 | 12 | 12 | 13 | 11 | 12 | 11 | 12 | 12 | 12 | 11 | 12 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | NW 7 | SSW 16 | SSW 16 | SSW 14 | SSW 14 | SSW 15 | SSW 15 | SSW 15 | WNW 11 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 |
| kJ | 402 | 318 | 291 | 284 | 217 | 330 | 334 | 305 | 344 | 186 | 196 | 196 | 242 | 237 | 180 | 173 | 170 | 167 |
Swell 2 Height (m) Direction Period (s) | WNW 14 | SSW 16 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 |
| kJ | 82 | 402 | 102 | 154 | 175 | 172 | 172 | 210 | 186 | 318 | 314 | 246 | 236 | 220 | 220 | 226 | 233 | 236 |
Swell 3 Height (m) Direction Period (s) | S 10 | WNW 14 | SSW 13 | SSW 13 | SSW 17 | SW 20 | SW 21 | SW 21 | S 9 | — | W 21 | — | SW 18 | SW 19 | SW 19 | SW 19 | SW 19 | SW 20 |
| kJ | 2 | 107 | 65 | 65 | 93 | 16 | 18 | 18 | 2 | — | 9 | — | 51 | 55 | 58 | 58 | 15 | 15 |
Wind waves Height (m) Direction Period (s) | NW 7 | — | NW 7 | NW 7 | NW 7 | NW 8 | NW 8 | NW 8 | NW 7 | NW 7 | NW 7 | NW 7 | NW 6 | NW 6 | NW 6 | NW 6 | NW 7 | NW 7 |
| kJ | 277 | — | 277 | 316 | 381 | 403 | 375 | 435 | 423 | 386 | 271 | 195 | 183 | 166 | 161 | 161 | 207 | 213 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 13 | 0 | 0 | 29 | 0 | 202 | 129 | 39 | 13 | 0 | 19 | 0 | 0 | 129 | 183 | 82 | 19 | 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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