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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 am Tuesday 21 Apr 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
10.9° C
(Which is slightly cooler than normal)How big are the waves at Cape Mendocino today?
The current surf forecast for Cape Mendocino at 8AM is: 1.6m 11s primary swell from a West-northwest direction and 0.5m 12s secondary swell from a South-southwest direction, 0.9m 6s secondary swell from a South direction (forecast issued at 04:00am April 21). The wind direction is predicted to be cross-offshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Apr) | 5ft (1.6m) | 11s |
| Afternoon (21 Apr) | 5ft (1.5m) | 10s |
| Evening (21 Apr) | 4.5ft (1.4m) | 10s |
Table - waves today at Cape Mendocino. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 846 | 750 | 619 | 531 | 487 | 396 | 388 | 356 | 327 | 287 | 334 | 437 | 467 | 453 | 612 | 621 | 1080 | 1116 | 808 | 536 | 528 | 504 | 417 | 309 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- on | on | glass | cross- off | cross- off | cross- off | cross- off | cross | on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross | cross- off |
High Tide / height (m) | 1:52AM 1.87 | 4:34PM 1.30 | 2:49AM 1.77 | 5:46PM 1.32 | 3:56AM 1.65 | 6:52PM 1.37 | ||||||||||||||||||
Low Tide / height (m) | 9:25AM -0.37 | 9:14PM 0.92 | 10:29AM -0.28 | 10:36PM 0.95 | 11:38AM -0.19 | |||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||||||||||
| Sunrise | - | - | 6:30 | - | - | - | - | - | - | - | 6:28 | - | - | - | - | - | - | - | 6:26 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 8:01 | - | - | - | - | - | - | - | 8:02 | - | - | - | - | - | - | - | 8:04 | - |
 | |  | | |  | |  | |  |  |  | |  | | | | | | | | | | | |
Rain (mm) | 2 | 2 | 4 | 2 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 11 | 11 | 11 | 12 | 12 | 12 | 11 | 10 | 9 | 9 | 10 | 12 | 12 | 12 | 11 | 10 | 9 | 8 | 9 | 11 | 11 | 11 | 9 | 8 |
| Feels °C (?) | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 8 | 6 | 5 | 7 | 8 | 9 | 9 | 8 | 7 | 6 | 4 | 5 | 6 | 5 | 5 | 3 | 3 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
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