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Cape Mendocino Surf Forecast
/ CAL – Humboldt (25 breaks) / California (404 breaks) /
Surf Forecasts:
Cape Mendocino surfForecast / CAL – Humboldt / USA
48hr Weather and Surf, issued 4 pm Thursday 21 May 2026 PDTForecast update in hr min s Forecast update imminent
Cape Mendocino surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Cape Mendocino sea temperature is
8.5° C
(Which is 3.6°C colder than average for this time of year)How big are the waves at Cape Mendocino today?
The current surf forecast for Cape Mendocino at 11PM is: 0.5m 15s primary swell from a Southwest direction (forecast issued at 04:00pm May 21). An open ocean swell of 2.5m 9s 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 May) | - | - |
| Afternoon (21 May) | 4ft (1.2m) | 11s |
| Evening (21 May) | 8ft (2.5m) | 9s |
Table - waves today at Cape Mendocino. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 15°C on Thu afternoon, min 10°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
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 | 2 AM | 5 AM | 8 AM | 11 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WNW 11 | WNW 11 | NW 9 | SW 15 | SW 15 | SSW 15 | SW 15 | SW 18 | SW 18 | SW 18 | SW 18 | SW 15 | NW 9 | WNW 10 | WNW 10 | SW 16 | WNW 10 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | WNW 16 | WNW 16 | |
375 | 183 | 1105 | 116 | 116 | 156 | 112 | 154 | 154 | 154 | 152 | 106 | 639 | 178 | 168 | 198 | 125 | 255 | 255 | 258 | 258 | 258 | 330 | 322 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross | cross-on | cross-on | cross | cross | cross | glassy | cross | cross | cross | |
High Tide | 5:15PM1.44m | 3:42AM1.58m | 6:08PM1.50m | 4:56AM1.41m | 6:56PM1.57m | 6:17AM1.27m | ||||||||||||||||||
Low Tide | 10:35PM0.85m | 11:07AM-0.19m | 11:58PM0.75m | 12:04PM-0.03m | 1:13AM0.58m | |||||||||||||||||||
 | | |  | | | | | |  | |  | | | | | | | |  | | | | | |
 | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — |
 | — | — | 8:31 | — | — | — | — | — | — | — | 8:32 | — | — | — | — | — | — | — | 8:34 | — | — | — | — | 8:35 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 14 | 15 | 13 | 12 | 11 | 11 | 13 | 14 | 14 | 14 | 12 | 11 | 10 | 10 | 11 | 12 | 12 | 12 | 11 | 10 | 10 | 10 | 11 | 13 |
9 | 10 | 9 | 9 | 7 | 6 | 9 | 9 | 9 | 9 | 7 | 7 | 7 | 7 | 9 | 9 | 9 | 9 | 8 | 8 | 9 | 7 | 8 | 9 | |
Swell 1 Height (m) Direction Period (s) | WNW 11 | WNW 11 | SW 15 | NNW 9 | NNW 9 | NNW 9 | NNW 10 | SW 18 | SW 18 | SW 18 | NW 10 | SW 15 | NW 9 | WNW 10 | NNW 8 | NNW 8 | NNW 7 | WNW 10 | NNW 8 | NNW 7 | NNW 7 | NNW 8 | NNW 8 | NNW 8 |
 kJ | 375 | 183 | 115 | 1279 | 1388 | 1388 | 1559 | 154 | 154 | 154 | 112 | 106 | 639 | 178 | 476 | 392 | 224 | 148 | 240 | 193 | 193 | 199 | 219 | 215 |
Swell 2 Height (m) Direction Period (s) | SW 19 | SW 15 | S 13 | SW 15 | SW 15 | SSW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 18 | S 13 | SW 15 | SW 15 | WNW 10 | WNW 10 | WNW 10 | SW 16 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | WNW 16 | WNW 16 |
| kJ | 184 | 112 | 54 | 116 | 116 | 156 | 112 | 109 | 109 | 110 | 152 | 50 | 109 | 109 | 168 | 171 | 125 | 255 | 117 | 110 | 108 | 108 | 330 | 322 |
Swell 3 Height (m) Direction Period (s) | SW 15 | S 13 | SSW 20 | S 13 | S 13 | S 13 | SW 18 | S 13 | S 13 | S 13 | SW 15 | SW 18 | S 12 | S 13 | SSW 15 | SW 16 | N 8 | S 13 | SW 16 | SW 16 | SW 16 | SW 16 | WNW 9 | WNW 10 |
| kJ | 79 | 55 | 37 | 54 | 54 | 53 | 111 | 51 | 51 | 51 | 104 | 79 | 49 | 50 | 156 | 198 | 58 | 52 | 255 | 258 | 258 | 258 | 108 | 103 |
Wind waves Height (m) Direction Period (s) | NNW 9 | NNW 9 | NW 9 | — | — | — | — | NNW 10 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | N 9 | NNW 8 | — | — | — | NNW 8 | — | — | — | — | — | — |
| kJ | 766 | 990 | 1105 | — | — | — | — | 1684 | 1411 | 1254 | 1032 | 997 | 257 | 583 | — | — | — | 247 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 294 | 51 | 41 | 41 | 41 | 51 | 51 | 51 | 54 | 51 | 54 | 40 | 51 | 40 | 40 | 191 | 151 | 51 | 51 | 40 | 0 | 21 | 21 | 152 |
Best forecast wave conditions in Humboldt County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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