Surf Forecasts:
How big are the waves at Cape Mendocino today (18 Jul):
- Morning surf: Morning surf (18 Jul, local time) - 3ft (0.9m), 16s period with WNW swell.
- Afternoon surf: Afternoon surf (18 Jul, local time) - 2.5ft (0.8m), 18s period with SW swell.
- Evening surf: Evening surf (18 Jul, local time) - 2.5ft (0.8m), 18s period with SW swell.
The current surf forecast for Cape Mendocino at 6AM is: 0.9m 16s primary swell from a West-northwest direction and 0.6m 12s secondary swell from a Northwest direction (forecast issued at 10:00pm July 17). An open ocean swell of 1.2m 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 (18 Jul) | 3ft (0.9m) | 16s |
| Afternoon (18 Jul) | 2.5ft (0.8m) | 18s |
| Evening (18 Jul) | 2.5ft (0.8m) | 18s |
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 11°C on Fri night). Wind will be generally light. | ||||||||||||||||||
Fri 17 | Saturday 18 | Sunday 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) | WNW 16 | WNW 16 | WNW 16 | WNW 16 | WNW 16 | WNW 16 | WNW 16 | SW 18 | SW 18 | NW 8 | NW 8 | WNW 16 | WNW 15 | NW 8 | NW 8 | SW 17 | SW 17 | SW 17 |
Wave Graph  | ||||||||||||||||||
 kJ | 499 | 457 | 463 | 457 | 452 | 452 | 362 | 375 | 388 | 350 | 423 | 344 | 270 | 445 | 456 | 434 | 505 | 434 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross | cross | cross-on | cross | cross | cross | cross | cross | cross-on | glassy | cross-on | cross-on | cross | cross | cross |
High Tide | 2:11AM1.69m | 3:40PM1.69m | 3:10AM1.48m | 4:20PM1.72m | ||||||||||||||
Low Tide | 8:45PM0.65m | 9:05AM-0.04m | 9:49PM0.58m | 9:47AM0.18m | 10:56PM0.49m | |||||||||||||
 |  |  | | | | | | |  | | |  | | |  | | | |
 | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | 8:45 | — | — | — | — | — | — | — | 8:44 | — | — | — | — | — | — | — | 8:44 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 12 | 11 | 12 | 12 | 15 | 16 | 16 | 14 | 12 | 12 | 12 | 13 | 16 | 16 | 16 | 14 | 13 |
Feels °C | 10 | 9 | 8 | 9 | 9 | 12 | 12 | 12 | 10 | 9 | 9 | 10 | 12 | 14 | 14 | 14 | 12 | 11 |
Swell 1 Height (m) Direction Period (s) | WNW 16 | WNW 16 | WNW 16 | WNW 16 | NNW 6 | WNW 16 | WNW 16 | WNW 16 | WNW 16 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NNW 8 |
| kJ | 499 | 457 | 463 | 457 | 141 | 452 | 362 | 353 | 353 | 350 | 423 | 485 | 485 | 445 | 456 | 509 | 509 | 554 |
Swell 2 Height (m) Direction Period (s) | SW 14 | SW 14 | NW 12 | NW 12 | WNW 16 | SW 17 | SW 17 | SW 18 | SW 18 | WNW 16 | WNW 16 | WNW 16 | WNW 15 | WNW 15 | SW 16 | SW 17 | SW 17 | SW 17 |
| kJ | 103 | 130 | 69 | 108 | 452 | 358 | 362 | 375 | 388 | 348 | 348 | 344 | 270 | 259 | 314 | 434 | 505 | 434 |
Swell 3 Height (m) Direction Period (s) | SW 18 | NW 12 | SW 14 | SW 14 | SW 17 | NW 11 | NW 11 | WNW 10 | SW 13 | SW 19 | SW 16 | SW 14 | SW 16 | SW 16 | WNW 15 | WNW 14 | WNW 14 | WNW 14 |
| kJ | 116 | 50 | 132 | 132 | 241 | 94 | 90 | 71 | 61 | 278 | 132 | 65 | 201 | 201 | 246 | 239 | 163 | 163 |
Wind waves Height (m) Direction Period (s) | NNW 6 | NNW 6 | NNW 7 | NNW 6 | — | NW 7 | NW 7 | NW 7 | NW 7 | — | — | — | — | — | — | — | — | — |
| kJ | 137 | 113 | 107 | 113 | — | 183 | 227 | 258 | 322 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 51 | 40 | 40 | 40 | 40 | 151 | 151 | 51 | 51 | 40 | 40 | 21 | 0 | 151 | 83 | 51 | 51 | 45 |
Best forecast wave conditions in Humboldt County | ||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||
Header Global | ||||||||||||||||||
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