Surf Forecasts:
How big are the waves at Cape Mendocino today (12 Sep):
- Morning surf: Morning surf (12 Sep, local time) - 3ft (0.9m), 14s period with SSW swell.
- Afternoon surf: Afternoon surf (12 Sep, local time) - 3.5ft (1.0m), 14s period with SW swell.
- Evening surf: Evening surf (12 Sep, local time) - 3ft (0.9m), 14s period with SW swell.
The current surf forecast for Cape Mendocino at 3AM is: 1.0m 15s primary swell from a Southwest direction (forecast issued at 10:00pm September 11). An open ocean swell of 1.2m 9s is not directed at the surf break, a second open ocean swell of 1.4m 10s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Sep) | 3ft (0.9m) | 14s |
| Afternoon (12 Sep) | 3.5ft (1.0m) | 14s |
| Evening (12 Sep) | 3ft (0.9m) | 14s |
Table - waves today at Cape Mendocino. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 16°C on Sat afternoon, min 12°C on Fri night). Winds increasing (calm on Sat night, fresh winds from the NNW by Mon afternoon). | ||||||||||||||||||
Fri 11 | Saturday 12 | Sunday 13 | ||||||||||||||||
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 15 | SSW 15 | SW 15 | SW 15 | SSW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | NW 9 | NW 9 | NW 9 | NW 9 |
Wave Graph  | ||||||||||||||||||
 kJ | 499 | 382 | 418 | 418 | 372 | 407 | 407 | 301 | 301 | 297 | 293 | 234 | 189 | 186 | 357 | 357 | 580 | 412 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | glassy | glassy | off | cross-off | cross-off | cross-on | cross-on | cross | cross | cross-off |
High Tide | 00:14AM1.74m | 12:45PM1.78m | 1:04AM1.62m | 1:14PM1.78m | ||||||||||||||
Low Tide | 6:22PM0.30m | 6:36AM0.21m | 7:07PM0.22m | 7:11AM0.38m | 7:51PM0.17m | |||||||||||||
 | | | |  | |  | | | | | | | | | | | | |
 | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:56 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 7:31 | — | — | — | — | — | — | — | 7:30 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 12 | 12 | 12 | 13 | 15 | 16 | 16 | 15 | 14 | 14 | 13 | 14 | 16 | 16 | 16 | 14 | 13 |
Feels °C | 9 | 9 | 9 | 9 | 11 | 13 | 14 | 15 | 15 | 13 | 13 | 12 | 13 | 14 | 13 | 12 | 11 | 10 |
Swell 1 Height (m) Direction Period (s) | SW 15 | SSW 15 | NNW 9 | NNW 9 | NNW 9 | NW 9 | SW 14 | NW 10 | NW 10 | NW 10 | SW 14 | SW 14 | NW 8 | NW 8 | NW 9 | NW 9 | NW 9 | NW 9 |
| kJ | 499 | 382 | 236 | 194 | 161 | 178 | 407 | 256 | 246 | 188 | 293 | 234 | 151 | 182 | 357 | 357 | 412 | 412 |
Swell 2 Height (m) Direction Period (s) | WNW 9 | WNW 10 | SW 15 | SW 15 | SSW 15 | SW 14 | NNW 9 | SW 14 | SW 14 | SW 14 | NW 10 | WNW 10 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 |
| kJ | 53 | 69 | 418 | 418 | 372 | 407 | 135 | 301 | 301 | 297 | 110 | 105 | 189 | 186 | 183 | 180 | 142 | 142 |
Swell 3 Height (m) Direction Period (s) | NNW 10 | WSW 15 | WNW 10 | NW 10 | NW 11 | WNW 11 | NW 11 | WSW 13 | WSW 12 | WSW 12 | WNW 10 | NW 10 | NW 10 | NW 9 | SW 19 | SW 19 | SW 19 | SW 19 |
| kJ | 68 | 123 | 55 | 110 | 119 | 79 | 119 | 33 | 30 | 29 | 86 | 100 | 44 | 70 | 58 | 57 | 93 | 127 |
Wind waves Height (m) Direction Period (s) | NNW 6 | NNW 10 | — | — | — | — | — | — | WNW 3 | — | — | — | — | — | — | NNW 4 | NW 9 | — |
| kJ | 117 | 264 | — | — | — | — | — | — | 5 | — | — | — | — | — | — | 10 | 580 | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 54 | 40 | 40 | 0 | 0 | 114 | 75 | 21 | 0 | 0 | 0 | 0 | 0 | 328 | 437 | 438 | 149 | 40 |
Best forecast wave conditions in Humboldt County | ||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||
Header Global | ||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Cape Mendocino surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest