Surf Forecasts:
How big are the waves at Cape Mendocino today (18 Oct):
- Morning surf: Morning surf (18 Oct, local time) - 7.5ft (2.3m), 11s period with WNW swell.
- Afternoon surf: Afternoon surf (18 Oct, local time) - 8ft (2.4m), 11s period with WNW swell.
- Evening surf: Evening surf (18 Oct, local time) - 7.5ft (2.3m), 13s period with NW swell.
The current surf forecast for Cape Mendocino at 5AM is: 1.8m 12s primary swell from a West-northwest direction and 1.0m 18s secondary swell from a South-southwest direction (forecast issued at 10:00pm October 17). An open ocean swell of 1.4m 7s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Oct) | 7.5ft (2.3m) | 11s |
| Afternoon (18 Oct) | 8ft (2.4m) | 11s |
| Evening (18 Oct) | 7.5ft (2.3m) | 13s |
Table - waves today at Cape Mendocino. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 15°C on Tue morning, min 10°C on Sun night). Wind will be generally light. | ||||||||||||||||||
Sat 17 | Sunday 18 | Monday 19 | ||||||||||||||||
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 18 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 13 | NW 13 | WNW 12 | NW 12 | WNW 12 | WNW 12 | WNW 11 | NW 11 | NW 11 | WNW 12 |
Wave Graph  | ||||||||||||||||||
 kJ | 553 | 671 | 767 | 857 | 1175 | 1425 | 1400 | 1425 | 1885 | 1703 | 1163 | 1321 | 1119 | 939 | 681 | 604 | 447 | 972 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross | cross | cross | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | glassy | glassy | cross-on | glassy | off | off |
High Tide | 7:25AM1.30m | 4:59PM1.42m | 8:05AM1.35m | 6:12PM1.40m | ||||||||||||||
Low Tide | 11:41PM0.19m | 12:29PM1.07m | 00:44AM0.20m | 1:35PM0.97m | ||||||||||||||
 | | |  |  | | |  |  | | | | | | | | | | |
 | — | — | — | 7:31 | — | — | — | — | — | — | — | 7:31 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 6:32 | — | — | — | — | — | — | — | 6:31 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 11 | 11 | 11 | 11 | 13 | 13 | 12 | 11 | 11 | 10 | 10 | 11 | 13 | 14 | 13 | 12 | 12 |
Feels °C | 8 | 7 | 7 | 7 | 8 | 11 | 10 | 8 | 8 | 9 | 8 | 8 | 10 | 12 | 12 | 12 | 10 | 9 |
Swell 1 Height (m) Direction Period (s) | WNW 11 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 13 | NW 13 | WNW 12 | NW 12 | WNW 12 | WNW 12 | WNW 11 | NW 11 | NW 11 | WNW 12 |
| kJ | 463 | 671 | 767 | 857 | 1175 | 1425 | 1400 | 1425 | 1885 | 1703 | 1163 | 1321 | 1119 | 939 | 681 | 604 | 447 | 972 |
Swell 2 Height (m) Direction Period (s) | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | NNW 7 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 |
| kJ | 553 | 553 | 553 | 589 | 556 | 512 | 597 | 590 | 590 | 493 | 96 | 575 | 679 | 439 | 422 | 417 | 411 | 405 |
Swell 3 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | S 20 | S 19 | S 19 | SSW 16 | S 19 | WNW 16 | S 18 | S 18 | S 18 | S 18 | WNW 15 |
| kJ | 149 | 152 | 110 | 102 | 99 | 67 | 66 | 67 | 184 | 273 | 487 | 117 | 146 | 224 | 399 | 399 | 304 | 387 |
Wind waves Height (m) Direction Period (s) | NNW 5 | NNW 6 | NNW 6 | NNW 7 | N 7 | — | — | — | — | — | — | NNW 7 | — | — | — | — | — | — |
| kJ | 64 | 82 | 118 | 180 | 81 | — | — | — | — | — | — | 91 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 54 | 80 | 54 | 40 | 40 | 73 | 211 | 151 | 51 | 0 | 0 | 0 | 0 | 0 | 152 | 0 | 0 | 0 |
Best forecast wave conditions in Humboldt County | ||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||
Header Global | ||||||||||||||||||
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