Surf Forecasts:
How big are the waves at Big River today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 2.5ft (0.7m), 14s period with SSW swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 3ft (0.9m), 15s period with SSW swell.
- Evening surf: Evening surf (18 Aug, local time) - 3ft (0.9m), 16s period with SSW swell.
The current surf forecast for Big River at 3PM is: 0.9m 15s primary swell from a South-southwest direction and 0.3m 15s secondary swell from a West-northwest direction, 1.6m 7s secondary swell from a Northwest direction (forecast issued at 10:00am August 18). The wind direction is predicted to be cross-shore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 2.5ft (0.7m) | 14s |
| Afternoon (18 Aug) | 3ft (0.9m) | 15s |
| Evening (18 Aug) | 3ft (0.9m) | 16s |
Table - waves today at Big River. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 15°C on Wed afternoon, min 11°C on Tue morning). Wind will be generally light. | ||||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | ||||||||||||||||||||
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 |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 15 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | NW 7 | NW 8 | NW 8 | NW 8 | NW 8 | NW 7 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 178 | 239 | 309 | 353 | 402 | 402 | 301 | 316 | 381 | 413 | 385 | 446 | 469 | 521 | 327 | 246 | 242 | 237 | 220 | 233 | 240 | 236 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | glassy | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross |
High Tide | 3:53PM1.68m | 5:26AM1.11m | 4:39PM1.64m | 7:13AM1.08m | 5:33PM1.61m | |||||||||||||||||
Low Tide | 9:15AM0.63m | 10:58PM0.32m | 9:55AM0.80m | 00:09AM0.29m | 10:47AM0.93m | |||||||||||||||||
 | | | | |  | |  |  | | | | | | | | | | | |  | | |
 | 6:30 | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — |
 | — | — | — | — | 8:06 | — | — | — | — | — | — | — | 8:05 | — | — | — | — | — | — | — | 8:04 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 11 | 13 | 14 | 14 | 12 | 12 | 12 | 11 | 12 | 14 | 15 | 14 | 13 | 12 | 12 | 12 | 12 | 14 | 13 | 13 | 12 | 12 |
Feels °C | 10 | 11 | 11 | 12 | 11 | 11 | 11 | 9 | 11 | 12 | 12 | 11 | 12 | 12 | 11 | 11 | 11 | 12 | 10 | 10 | 10 | 11 |
Swell 1 Height (m) Direction Period (s) | NW 7 | SSW 14 | SSW 15 | SSW 16 | SSW 16 | SSW 16 | 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 | 169 | 239 | 309 | 353 | 402 | 402 | 291 | 284 | 217 | 301 | 305 | 305 | 344 | 243 | 242 | 196 | 242 | 237 | 180 | 173 | 170 | 167 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | SSW 18 | WNW 15 | WNW 15 | WNW 14 | WNW 14 | 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 | 178 | 63 | 45 | 84 | 82 | 107 | 102 | 154 | 175 | 172 | 169 | 210 | 183 | 318 | 314 | 246 | 236 | 223 | 220 | 226 | 233 | 236 |
Swell 3 Height (m) Direction Period (s) | SSW 17 | WNW 16 | NW 11 | NW 11 | S 10 | S 10 | 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 | 100 | 50 | 5 | 5 | 2 | 2 | 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 7 | NW 7 | NW 7 | NW 7 | NW 8 | NW 8 | NW 8 | NW 8 | NW 7 | NW 7 | NW 7 | NW 7 | NW 6 | NW 6 | NW 7 | NW 7 | NW 7 |
| kJ | — | 187 | 206 | 269 | 309 | 353 | 301 | 316 | 381 | 413 | 385 | 446 | 469 | 521 | 327 | 195 | 195 | 150 | 183 | 233 | 240 | 233 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 160 | 277 | 39 | 13 | 0 | 0 | 0 | 0 | 160 | 202 | 82 | 19 | 0 | 0 | 0 | 0 | 129 | 202 | 82 | 23 | 19 |
Best forecast wave conditions in Mendocino County | ||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||
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