Surf Forecasts:
How big are the waves at Big River today (17 Aug):
- Morning surf: Morning surf (17 Aug, local time) - 3ft (0.9m), 14s period with SSW swell.
- Afternoon surf: Afternoon surf (17 Aug, local time) - 3ft (0.9m), 15s period with SSW swell.
- Evening surf: Evening surf (17 Aug, local time) - 3ft (0.9m), 15s period with SSW swell.
The current surf forecast for Big River at 6AM is: 1.0m 14s primary swell from a South-southwest direction and 1.1m 6s secondary swell from a Northwest direction (forecast issued at 10:00pm August 16). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Aug) | 3ft (0.9m) | 14s |
| Afternoon (17 Aug) | 3ft (0.9m) | 15s |
| Evening (17 Aug) | 3ft (0.9m) | 15s |
Table - waves today at Big River. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 14°C on Mon morning, min 11°C on Mon night). Wind will be generally light. | ||||||||||||||||||
Sun 16 | Monday 17 | Tuesday 18 | ||||||||||||||||
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 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | NW 7 | NW 7 | SSW 14 | SSW 15 | SSW 16 | SSW 16 | SSW 16 |
Wave Graph  | ||||||||||||||||||
 kJ | 362 | 411 | 405 | 400 | 400 | 334 | 334 | 334 | 334 | 334 | 272 | 285 | 212 | 239 | 309 | 353 | 402 | 402 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | glassy | glassy | cross-off | cross-on | cross-on | cross-on | cross | cross | glassy | glassy | cross-off | glassy | cross-on | cross | cross | cross-on | glassy |
High Tide | 2:54AM1.40m | 3:14PM1.71m | 4:01AM1.23m | 3:53PM1.68m | ||||||||||||||
Low Tide | 8:52PM0.36m | 8:40AM0.44m | 9:52PM0.34m | 9:15AM0.63m | 10:58PM0.32m | |||||||||||||
 |  |  | | |  | | | | | | | | | | | | | |
 | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — |
 | 8:08 | — | — | — | — | — | — | — | 8:07 | — | — | — | — | — | — | — | 8:06 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 13 | 13 | 12 | 13 | 14 | 14 | 13 | 12 | 11 | 12 | 11 | 12 | 13 | 13 | 14 | 12 | 11 |
Feels °C | 11 | 13 | 13 | 11 | 12 | 13 | 13 | 11 | 11 | 11 | 12 | 9 | 12 | 11 | 10 | 12 | 12 | 11 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | NW 6 | NW 7 | NW 6 | NW 6 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | SSW 15 | SSW 16 | NW 7 | NW 7 |
| kJ | 362 | 103 | 155 | 106 | 94 | 99 | 105 | 105 | 116 | 212 | 218 | 212 | 212 | 212 | 309 | 353 | 246 | 327 |
Swell 2 Height (m) Direction Period (s) | NW 6 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | WNW 15 | WNW 15 | SSW 16 | SSW 16 |
| kJ | 62 | 411 | 405 | 400 | 400 | 334 | 334 | 334 | 334 | 334 | 272 | 268 | 178 | 239 | 45 | 84 | 402 | 402 |
Swell 3 Height (m) Direction Period (s) | WNW 9 | W 9 | S 11 | W 9 | W 9 | W 9 | W 9 | WNW 9 | WNW 8 | S 10 | SSW 18 | SSW 18 | SSW 17 | SSW 18 | S 10 | NW 11 | WNW 14 | WNW 14 |
| kJ | 29 | 39 | 20 | 38 | 40 | 39 | 40 | 43 | 41 | 8 | 62 | 63 | 100 | 62 | 2 | 5 | 82 | 107 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | NW 7 | — | — | NW 7 | NW 7 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 285 | — | — | 218 | 239 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 13 | 0 | 0 | 0 | 39 | 34 | 277 | 277 | 19 | 0 | 0 | 0 | 0 | 160 | 129 | 82 | 7 | 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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