Surf Forecasts:
How big are the waves at Cape Mendocino today (23 Sep):
- Morning surf: Morning surf (23 Sep, local time) - 4.5ft (1.4m), 11s period with WNW swell.
- Afternoon surf: Afternoon surf (23 Sep, local time) - 3ft (0.9m), 16s period with SW swell.
- Evening surf: Evening surf (23 Sep, local time) - 7ft (2.1m), 11s period with NW swell.
The current surf forecast for Cape Mendocino at 7AM is: 1.4m 11s primary swell from a West-northwest direction and 0.9m 16s secondary swell from a Southwest direction (forecast issued at 04:00am September 23). An open ocean swell of 1.4m 6s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Sep) | 4.5ft (1.4m) | 11s |
| Afternoon (23 Sep) | 3ft (0.9m) | 16s |
| Evening (23 Sep) | 7ft (2.1m) | 11s |
Table - waves today at Cape Mendocino. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Thu afternoon, min 11°C on Fri night). Winds increasing (calm on Thu afternoon, fresh winds from the N by Fri afternoon). | ||||||||||||||||||||||||
Wednesday 23 | Thursday 24 | Friday 25 | ||||||||||||||||||||||
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 | 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) | WNW 11 | WNW 11 | WNW 11 | NW 11 | SW 16 | WNW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | WNW 10 | WNW 11 | NW 10 | NW 10 | NW 10 | NW 9 | WNW 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 583 | 466 | 450 | 850 | 396 | 403 | 1027 | 503 | 604 | 866 | 850 | 729 | 676 | 558 | 437 | 335 | 370 | 1063 | 1958 | 981 | 1280 | 1332 | 1102 | 523 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross | cross | cross-on | cross-on | glassy | cross-off | on | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 10:27AM1.49m | 9:39PM1.67m | 10:49AM1.56m | 10:25PM1.68m | 11:12AM1.64m | |||||||||||||||||||
Low Tide | 3:58AM0.12m | 4:11PM0.69m | 4:30AM0.13m | 4:47PM0.54m | 5:01AM0.17m | 5:23PM0.38m | ||||||||||||||||||
 |  |  | | | | | | | |  |  | | |  | | | | | | | | | | |
 | — | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:10 | — | — | — | — | — | — | — | 7:09 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 12 | 12 | 16 | 16 | 16 | 13 | 13 | 13 | 13 | 14 | 16 | 17 | 17 | 17 | 16 | 15 | 14 | 14 | 15 | 16 | 15 | 13 | 13 |
Feels °C | 8 | 8 | 8 | 12 | 11 | 11 | 9 | 10 | 10 | 10 | 12 | 15 | 16 | 16 | 15 | 16 | 14 | 11 | 12 | 11 | 11 | 9 | 8 | 8 |
Swell 1 Height (m) Direction Period (s) | WNW 11 | WNW 11 | WNW 11 | SW 16 | WNW 11 | WNW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | WNW 10 | WNW 11 | NW 10 | NW 10 | NW 10 | NW 9 | WNW 9 |
| kJ | 583 | 466 | 450 | 367 | 396 | 403 | 756 | 503 | 604 | 866 | 850 | 729 | 676 | 558 | 437 | 335 | 370 | 1063 | 1958 | 981 | 1280 | 1048 | 924 | 523 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | S 11 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | W 11 | SSW 14 | SSW 13 | SW 13 | SSW 13 |
| kJ | 502 | 371 | 367 | 10 | 358 | 331 | 318 | 314 | 314 | 314 | 314 | 309 | 305 | 301 | 293 | 194 | 189 | 186 | 186 | 694 | 232 | 229 | 144 | 120 |
Swell 3 Height (m) Direction Period (s) | S 12 | S 12 | S 11 | S 15 | S 11 | S 11 | S 14 | S 14 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | SW 14 | S 10 | S 10 | S 14 | SSW 14 |
| kJ | 25 | 11 | 10 | 4 | 9 | 9 | 16 | 16 | 14 | 14 | 30 | 28 | 27 | 26 | 22 | 22 | 22 | 22 | 21 | 186 | 8 | 8 | 57 | 61 |
Wind waves Height (m) Direction Period (s) | NNW 6 | NNW 6 | NNW 6 | NW 11 | NNW 6 | NNW 6 | NW 11 | NNW 6 | NNW 6 | N 6 | — | — | — | — | — | — | — | — | — | NW 11 | — | NW 10 | NW 9 | NNW 9 |
| kJ | 140 | 186 | 136 | 850 | 136 | 100 | 1027 | 77 | 59 | 18 | — | — | — | — | — | — | — | — | — | 860 | — | 1332 | 1102 | 422 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 80 | 68 | 40 | 51 | 51 | 54 | 262 | 262 | 54 | 40 | 40 | 40 | 21 | 40 | 152 | 0 | 21 | 21 | 54 | 54 | 54 | 149 | 211 | 437 |
Best forecast wave conditions in Humboldt County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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