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Surf Forecasts:
Cape Mendocino surfForecast / CAL – Humboldt / USA
48hr Weather and Surf, issued 3 am Monday 08 Dec 2025 PSTForecast 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
12.1° C
(Which is normal for this time of year)How big are the waves at Cape Mendocino today?
The current surf forecast for Cape Mendocino at 8AM is: 1.4m 9s primary swell from a West-northwest direction and 0.7m 11s secondary swell from a West-northwest direction (forecast issued at 03:00am December 08). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (PST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 Dec) | 4.5ft (1.4m) | 9s |
| Afternoon (08 Dec) | 6ft (1.9m) | 12s |
| Evening (08 Dec) | 7.5ft (2.3m) | 13s |
Table - waves today at Cape Mendocino. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 08 | Tuesday 09 | Wednesday 10 | ||||||||||||||||||||||
| 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 9 | 9 | 9 | 11 | 13 | 13 | 13 | 12 | 12 | 13 | 13 | 12 | 12 | 12 | 12 | 14 | 14 | 13 | 13 | 13 | 12 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 254 | 378 | 323 | 280 | 785 | 1413 | 1634 | 1703 | 1688 | 1715 | 1983 | 2015 | 2083 | 1985 | 1844 | 1844 | 2618 | 2403 | 1968 | 1909 | 1749 | 1863 | 2265 | 2497 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross- off | cross- off |
High Tide / height (m) | 2:28AM 1.51 | 12:47PM 1.87 | 3:20AM 1.53 | 1:46PM 1.69 | 4:10AM 1.56 | 2:51PM 1.50 | ||||||||||||||||||
Low Tide / height (m) | 7:24AM 0.95 | 8:17PM -0.29 | 8:35AM 0.93 | 9:10PM -0.12 | 9:54AM 0.85 | |||||||||||||||||||
Monday 08 | Tuesday 09 | Wednesday 10 | ||||||||||||||||||||||
| Sunrise | - | - | - | 7:26 | - | - | - | - | - | - | - | 7:28 | - | - | - | - | - | - | - | 7:28 | - | - | - | - |
| Sunset | - | - | - | - | - | 4:50 | - | - | - | - | - | - | - | 4:50 | - | - | - | - | - | - | - | 4:51 | - | - |
 |  | |  |  | | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 12 | 12 | 12 | 14 | 15 | 14 | 12 | 12 | 12 | 12 | 13 | 15 | 17 | 16 | 15 | 15 | 15 | 14 | 14 | 16 | 16 | 15 | 14 | 13 |
| Feels °C (?) | 10 | 10 | 10 | 12 | 13 | 12 | 10 | 10 | 11 | 10 | 11 | 12 | 14 | 13 | 13 | 13 | 13 | 11 | 12 | 14 | 13 | 12 | 12 | 10 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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