Surf Forecasts:
How big are the waves at Big River today (20 Sep):
- Afternoon surf: Afternoon surf (20 Sep, local time) - 2.5ft (0.8m), 18s period with SW swell.
- Evening surf: Evening surf (20 Sep, local time) - 3ft (0.9m), 18s period with SW swell.
The current surf forecast for Big River at 7PM is: 0.9m 18s primary swell from a Southwest direction and 0.4m 12s secondary swell from a South-southwest direction, 1.8m 7s secondary swell from a Northwest direction (forecast issued at 04:00pm September 20). The wind direction is predicted to be cross-shore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | - | - |
| Afternoon (20 Sep) | 2.5ft (0.8m) | 18s |
| Evening (20 Sep) | 3ft (0.9m) | 18s |
Table - waves today at Big River. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 15°C on Tue afternoon, min 11°C on Mon morning). Wind will be generally light. | ||||||||||||||||||||
Sun 20 | Monday 21 | Tuesday 22 | ||||||||||||||||||
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) | SW 18 | SW 19 | SW 18 | SW 18 | SW 18 | SW 17 | SW 17 | SW 17 | SW 17 | NW 8 | NW 8 | NW 8 | SW 17 | NW 14 | NW 13 | NW 13 | NW 12 | NW 8 | NW 8 | NW 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 379 | 502 | 491 | 449 | 366 | 439 | 493 | 482 | 482 | 482 | 559 | 545 | 567 | 595 | 632 | 659 | 678 | 1457 | 1519 | 1361 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | glassy | glassy | cross-off | cross-off | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off |
High Tide | 7:01PM1.52m | 9:32AM1.30m | 8:02PM1.57m | 9:57AM1.36m | 8:53PM1.62m | |||||||||||||||
Low Tide | 1:11PM1.01m | 2:24AM0.19m | 2:12PM0.91m | 3:05AM0.15m | 2:59PM0.80m | |||||||||||||||
 |  |  |  | | |  | | | | |  | | | | | | | | | |
 | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — |
 | — | 7:15 | — | — | — | — | — | — | — | 7:14 | — | — | — | — | — | — | — | 7:12 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 13 | 12 | 12 | 12 | 12 | 11 | 14 | 14 | 14 | 12 | 12 | 12 | 11 | 11 | 14 | 15 | 15 | 13 | 12 |
Feels °C | 11 | 11 | 11 | 12 | 12 | 11 | 10 | 13 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 12 | 11 | 11 | 9 | 9 |
Swell 1 Height (m) Direction Period (s) | SW 18 | SW 19 | SW 18 | SW 18 | NW 7 | SW 17 | NW 7 | NW 7 | SW 17 | SW 17 | SW 17 | SW 17 | NW 15 | NW 14 | NW 13 | NW 13 | NW 12 | SW 16 | SW 16 | SW 16 |
| kJ | 379 | 502 | 491 | 449 | 285 | 439 | 226 | 277 | 482 | 482 | 487 | 482 | 472 | 595 | 632 | 659 | 678 | 367 | 371 | 371 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 12 | SSW 12 | S 12 | SW 18 | S 12 | SW 17 | SW 17 | NW 9 | S 13 | NW 16 | NW 15 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | S 12 | S 12 | S 12 |
| kJ | 49 | 27 | 50 | 26 | 366 | 26 | 493 | 482 | 81 | 29 | 129 | 284 | 567 | 482 | 395 | 376 | 302 | 25 | 11 | 11 |
Swell 3 Height (m) Direction Period (s) | SW 12 | SW 12 | — | SW 12 | SSW 12 | SW 12 | S 12 | S 13 | S 13 | NW 18 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | — | — | — |
| kJ | 6 | 6 | — | 6 | 29 | 6 | 27 | 28 | 29 | 48 | 28 | 26 | 26 | 25 | 25 | 25 | 25 | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 7 | NW 7 | NW 7 | NW 7 | — | NW 7 | — | — | NW 7 | NW 8 | NW 8 | NW 8 | NW 8 | NW 7 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 |
| kJ | 247 | 277 | 344 | 344 | — | 233 | — | — | 231 | 444 | 559 | 545 | 432 | 421 | 464 | 432 | 559 | 1457 | 1519 | 1361 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 129 | 29 | 13 | 0 | 0 | 0 | 0 | 620 | 160 | 304 | 0 | 0 | 0 | 0 | 0 | 82 | 129 | 304 | 183 | 29 |
Best forecast wave conditions in Mendocino County | ||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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