Surf Forecasts:
How big are the waves at Cape Mendocino today (21 Jul):
- Morning surf: Morning surf (21 Jul, local time) - 2.5ft (0.7m), 16s period with SW swell.
- Afternoon surf: Afternoon surf (21 Jul, local time) - 2.5ft (0.8m), 14s period with SSW swell.
- Evening surf: Evening surf (21 Jul, local time) - 2.5ft (0.7m), 13s period with S swell.
The current surf forecast for Cape Mendocino at 4AM is: 0.9m 16s primary swell from a Southwest direction and 0.9m 13s secondary swell from a South direction (forecast issued at 10:00pm July 20). An open ocean swell of 1.3m 8s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jul) | 2.5ft (0.7m) | 16s |
| Afternoon (21 Jul) | 2.5ft (0.8m) | 14s |
| Evening (21 Jul) | 2.5ft (0.7m) | 13s |
Table - waves today at Cape Mendocino. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 19°C on Tue morning, min 14°C on Mon night). Wind will be generally light. | ||||||||||||||||||
Mon 20 | Tuesday 21 | Wednesday 22 | ||||||||||||||||
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 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SSW 14 | S 11 | S 13 | S 14 | S 12 | S 12 | S 11 | S 11 | SSW 15 | S 10 | S 10 | S 9 |
Wave Graph  | ||||||||||||||||||
 kJ | 362 | 362 | 367 | 367 | 251 | 245 | 239 | 164 | 176 | 537 | 522 | 336 | 305 | 279 | 202 | 190 | 183 | 224 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | cross-off | cross | cross-off | cross | cross | cross-off | cross | glassy | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | cross-off |
High Tide | 5:43AM1.12m | 5:42PM1.73m | 7:28AM1.07m | 6:27PM1.73m | ||||||||||||||
Low Tide | 00:05AM0.40m | 11:20AM0.62m | 1:13AM0.29m | 12:16PM0.80m | ||||||||||||||
 |  |  | |  | | |  | |  | | | | | | | | | |
 | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | 8:43 | — | — | — | — | — | — | — | 8:42 | — | — | — | — | — | — | — | 8:42 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 14 | 15 | 16 | 19 | 19 | 18 | 18 | 18 | 18 | 17 | 17 | 19 | 19 | 19 | 17 | 16 |
Feels °C | 14 | 14 | 13 | 14 | 14 | 17 | 18 | 16 | 16 | 17 | 15 | 14 | 16 | 18 | 16 | 16 | 14 | 14 |
Swell 1 Height (m) Direction Period (s) | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | S 14 | S 12 | S 12 | S 11 | S 11 | S 10 | S 10 | S 10 | S 9 |
| kJ | 297 | 238 | 238 | 192 | 187 | 159 | 143 | 140 | 140 | 537 | 522 | 336 | 305 | 279 | 202 | 190 | 183 | 224 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SW 16 | S 13 | S 13 | S 12 | S 12 | SSW 14 | S 11 | S 11 | NW 8 | NW 8 | NNW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 |
| kJ | 362 | 362 | 272 | 263 | 235 | 184 | 239 | 160 | 157 | 116 | 116 | 101 | 84 | 84 | 62 | 95 | 95 | 98 |
Swell 3 Height (m) Direction Period (s) | S 13 | S 13 | SW 16 | SW 16 | SW 16 | SW 16 | S 12 | SW 14 | S 13 | NW 12 | WNW 12 | SSW 14 | SW 15 | SSW 15 | SSW 15 | SSW 13 | SSW 14 | SSW 14 |
| kJ | 229 | 219 | 367 | 367 | 251 | 245 | 171 | 164 | 176 | 37 | 57 | 268 | 220 | 193 | 196 | 114 | 168 | 166 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 3 | S 4 | S 5 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 8 | 17 | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 45 | 0 | 51 | 80 | 0 | 51 | 0 | 21 | 0 | 0 | 21 | 51 | 51 | 40 | 21 |
Best forecast wave conditions in Humboldt County | ||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||
Header Global | ||||||||||||||||||
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