Surf Forecasts:
How big are the waves at Cape Mendocino today (13 Sep):
- Morning surf: Morning surf (13 Sep, local time) - 4ft (1.2m), 9s period with WNW swell.
- Afternoon surf: Afternoon surf (13 Sep, local time) - 5ft (1.6m), 9s period with NW swell.
- Evening surf: Evening surf (13 Sep, local time) - 5ft (1.6m), 9s period with NW swell.
The current surf forecast for Cape Mendocino at 5AM is: 0.9m 14s primary swell from a Southwest direction and 0.9m 10s secondary swell from a West-northwest direction (forecast issued at 10:00pm September 12). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Sep) | 4ft (1.2m) | 9s |
| Afternoon (13 Sep) | 5ft (1.6m) | 9s |
| Evening (13 Sep) | 5ft (1.6m) | 9s |
Table - waves today at Cape Mendocino. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Sun afternoon, min 12°C on Sun night). Winds increasing (calm on Sat night, fresh winds from the N by Mon afternoon). | ||||||||||||||||||
Sat 12 | Sunday 13 | Monday 14 | ||||||||||||||||
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 14 | SW 14 | SW 14 | SW 14 | WNW 10 | WNW 8 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 8 | NW 8 | NW 8 | NW 7 | NW 7 | SW 17 | SW 17 |
Wave Graph  | ||||||||||||||||||
 kJ | 301 | 297 | 293 | 284 | 246 | 219 | 397 | 397 | 427 | 525 | 513 | 433 | 470 | 418 | 418 | 465 | 188 | 188 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | cross-off | glassy | off | cross-on | cross-on | cross | cross | cross-off | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 1:04AM1.62m | 1:14PM1.78m | 1:56AM1.48m | 1:43PM1.76m | ||||||||||||||
Low Tide | 7:07PM0.22m | 7:11AM0.38m | 7:51PM0.17m | 7:46AM0.56m | 8:37PM0.16m | |||||||||||||
 | | | |  | | | | | | | | | | | | | | |
 | — | — | — | 6:56 | — | — | — | — | — | — | — | 6:56 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 7:30 | — | — | — | — | — | — | — | 7:28 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 15 | 14 | 14 | 14 | 16 | 17 | 16 | 14 | 13 | 13 | 12 | 13 | 16 | 16 | 15 | 13 | 12 |
Feels °C | 15 | 15 | 13 | 14 | 13 | 15 | 14 | 12 | 11 | 10 | 10 | 8 | 9 | 11 | 11 | 10 | 9 | 8 |
Swell 1 Height (m) Direction Period (s) | NW 10 | NW 10 | SW 14 | WNW 10 | WNW 10 | WNW 8 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | SSW 13 | SSW 13 | SW 13 | SW 13 | SW 17 | SW 17 | SW 17 |
| kJ | 188 | 188 | 293 | 161 | 246 | 219 | 397 | 397 | 427 | 379 | 402 | 116 | 116 | 84 | 84 | 188 | 188 | 188 |
Swell 2 Height (m) Direction Period (s) | SW 14 | SW 14 | NW 10 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SSW 13 | SW 19 | SW 18 | SW 17 | SW 17 | SW 13 | SW 13 | SSW 12 |
| kJ | 301 | 297 | 110 | 284 | 189 | 186 | 183 | 180 | 142 | 142 | 116 | 125 | 112 | 107 | 106 | 83 | 80 | 61 |
Swell 3 Height (m) Direction Period (s) | WSW 12 | WSW 12 | WNW 10 | NNW 10 | NNW 9 | NNW 9 | SW 19 | SW 19 | SW 19 | SW 19 | SW 19 | WSW 10 | WSW 10 | WSW 9 | NW 15 | WNW 15 | WNW 15 | WNW 14 |
| kJ | 30 | 29 | 86 | 65 | 59 | 59 | 58 | 92 | 93 | 127 | 127 | 10 | 9 | 8 | 54 | 84 | 42 | 21 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | NNW 3 | — | NW 9 | NW 9 | NW 8 | NW 8 | NW 8 | NW 7 | NW 7 | NNW 8 | NNW 8 |
| kJ | — | — | — | — | — | — | — | 6 | — | 525 | 513 | 433 | 470 | 418 | 418 | 465 | 452 | 477 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 436 | 151 | 438 | 151 | 40 | 40 | 51 | 51 | 294 | 316 | 436 | 80 | 45 |
Best forecast wave conditions in Humboldt 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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