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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 Monday 20 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
10.7° 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 14s primary swell from a West-northwest direction and 1.0m 8s secondary swell from a West-southwest direction (forecast issued at 04:00am April 20). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Apr) | 6ft (1.8m) | 14s |
| Afternoon (20 Apr) | 8ft (2.4m) | 12s |
| Evening (20 Apr) | 7ft (2.1m) | 12s |
Table - waves today at Cape Mendocino. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 20 | Tuesday 21 | Wednesday 22 | ||||||||||||||||||||||
| 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) (?) | 8 | 15 | 14 | 13 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 15 | 15 | 14 | 14 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 215 | 353 | 915 | 1569 | 1868 | 1573 | 1268 | 1100 | 846 | 750 | 619 | 531 | 511 | 396 | 388 | 331 | 283 | 295 | 405 | 437 | 467 | 453 | 487 | 621 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | glass | cross | cross | cross | glass | glass | on | cross- on | cross- on | cross- on | cross- on | cross- off |
High Tide / height (m) | 1:04AM 1.93 | 3:24PM 1.33 | 1:52AM 1.87 | 4:34PM 1.30 | 2:49AM 1.77 | 5:46PM 1.32 | ||||||||||||||||||
Low Tide / height (m) | 8:27AM -0.42 | 8:10PM 0.84 | 9:25AM -0.37 | 9:14PM 0.92 | 10:29AM -0.28 | 10:36PM 0.95 | ||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | ||||||||||||||||||||||
| Sunrise | - | - | 6:31 | - | - | - | - | - | - | - | 6:30 | - | - | - | - | - | - | - | 6:28 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 8:00 | - | - | - | - | - | - | - | 8:01 | - | - | - | - | - | - | - | 8:02 | - |
 |  |  | |  | | |  | | | | | | | |  |  | |  | | | |  | | |
Rain (mm) | 2 | 9 | 10 | 7 | 4 | 3 | 1 | - | 1 | 1 | 2 | 2 | 1 | 1 | 1 | - | - | - | 1 | 1 | 1 | 1 | - | - |
| Temp. °C | 11 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 13 | 12 | 11 | 11 | 10 | 10 | 10 | 11 | 11 | 11 | 10 | 10 |
| Feels °C (?) | 7 | 7 | 9 | 9 | 8 | 8 | 7 | 7 | 7 | 7 | 8 | 9 | 12 | 10 | 8 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 |
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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
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Cape Mendocino surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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