Surf Forecasts:
How big are the waves at Cape Mendocino today (20 Jul):
- Morning surf: Morning surf (20 Jul, local time) - 5.5ft (1.7m), 8s period with NW swell.
- Afternoon surf: Afternoon surf (20 Jul, local time) - 5ft (1.6m), 8s period with NW swell.
- Evening surf: Evening surf (20 Jul, local time) - 3ft (0.9m), 16s period with SW swell.
The current surf forecast for Cape Mendocino at 5AM is: 0.8m 16s primary swell from a Southwest direction (forecast issued at 10:00pm July 19). An open ocean swell of 1.8m 8s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Jul) | 5.5ft (1.7m) | 8s |
| Afternoon (20 Jul) | 5ft (1.6m) | 8s |
| Evening (20 Jul) | 3ft (0.9m) | 16s |
Table - waves today at Cape Mendocino. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 19°C on Wed morning, min 12°C on Sun night). Wind will be generally light. | ||||||||||||||||||
Sun 19 | Monday 20 | Tuesday 21 | ||||||||||||||||
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 17 | SW 17 | SW 17 | SW 16 | NW 8 | NW 8 | NW 8 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SSW 14 | SSW 15 | S 14 | S 14 |
Wave Graph  | ||||||||||||||||||
 kJ | 505 | 434 | 419 | 326 | 371 | 371 | 346 | 362 | 362 | 362 | 367 | 367 | 251 | 245 | 239 | 275 | 179 | 529 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-on | glassy | cross-on | on | cross-on | cross | cross | cross | cross | cross | cross-on | cross | cross | cross | cross |
High Tide | 4:18AM1.27m | 5:00PM1.73m | 5:43AM1.12m | 5:42PM1.73m | ||||||||||||||
Low Tide | 10:56PM0.49m | 10:31AM0.41m | 00:05AM0.40m | 11:20AM0.62m | ||||||||||||||
 |  | | | |  | | | |  | | | | | |  | | | |
 | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | 8:44 | — | — | — | — | — | — | — | 8:43 | — | — | — | — | — | — | — | 8:42 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 12 | 12 | 12 | 13 | 16 | 15 | 15 | 14 | 13 | 14 | 14 | 14 | 16 | 18 | 18 | 16 | 16 |
Feels °C | 10 | 10 | 10 | 11 | 13 | 16 | 15 | 14 | 13 | 12 | 13 | 13 | 13 | 14 | 16 | 16 | 14 | 14 |
Swell 1 Height (m) Direction Period (s) | NNW 8 | NNW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | SSW 14 | SSW 15 | NW 8 | S 14 |
| kJ | 458 | 458 | 408 | 408 | 371 | 371 | 346 | 322 | 289 | 268 | 238 | 187 | 182 | 182 | 239 | 275 | 136 | 529 |
Swell 2 Height (m) Direction Period (s) | SW 17 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | S 13 | S 13 | S 12 | S 12 | S 12 | S 11 | S 12 | NW 8 |
| kJ | 505 | 434 | 419 | 326 | 314 | 261 | 255 | 362 | 362 | 362 | 272 | 263 | 235 | 184 | 171 | 166 | 174 | 116 |
Swell 3 Height (m) Direction Period (s) | WNW 14 | WNW 14 | WNW 14 | WNW 14 | WNW 14 | WNW 14 | WNW 14 | S 13 | S 13 | S 13 | SW 16 | SW 16 | SW 16 | SW 16 | WNW 13 | S 14 | S 14 | WNW 12 |
| kJ | 163 | 163 | 163 | 163 | 160 | 160 | 111 | 225 | 229 | 219 | 367 | 367 | 251 | 245 | 66 | 92 | 179 | 57 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 8 | NW 8 | — | N 3 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 155 | 155 | — | 3 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 51 | 51 | 40 | 21 | 0 | 86 | 51 | 128 | 40 | 21 | 40 | 40 | 51 | 151 | 151 | 51 | 51 | 51 |
Best forecast wave conditions in Humboldt County | ||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||
Header Global | ||||||||||||||||||
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