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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 10 am Sunday 31 Aug 2025 PDT
How big are the waves at Cape Mendocino today?
The current surf forecast for Cape Mendocino at 3PM is: 0.9m 18s primary swell from a South-southwest direction and 0.6m 15s secondary swell from a Southwest direction, 0.6m 4s secondary swell from a North-northwest direction (forecast issued at 10:00am August 31). The wind direction is predicted to be cross-shore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Aug) | 1.5ft (0.5m) | 19s |
| Afternoon (31 Aug) | 3ft (0.9m) | 18s |
| Evening (31 Aug) | 3.5ft (1.0m) | 17s |
Table - waves today at Cape Mendocino. (Swell directed towards the surf break)
Sunday 31 | Monday 01 | Tuesday 02 | Wed 03 | |||||||||||||||||||||
| 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 | 2 AM | 5 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 19 | 18 | 18 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
| Energy (?) | 409 | 499 | 575 | 639 | 623 | 681 | 592 | 588 | 601 | 644 | 659 | 666 | 551 | 550 | 429 | 406 | 446 | 457 | 605 | 548 | 477 | 447 | 451 | 448 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross | cross | cross- off | cross- off | cross- off | cross | cross | cross | cross | cross | cross | cross- off | cross | cross | cross | cross | cross | cross | cross | cross- off | cross- off | cross |
High Tide / height (m) | 7:50AM 1.12 | 5:19PM 1.59 | 9:06AM 1.20 | 6:22PM 1.61 | 9:48AM 1.28 | 7:26PM 1.67 | ||||||||||||||||||
Low Tide / height (m) | 11:36AM 1.08 | 1:22AM 0.27 | 1:05PM 1.11 | 2:24AM 0.18 | 2:13PM 1.08 | 3:14AM 0.09 | ||||||||||||||||||
Sunday 31 | Monday 01 | Tuesday 02 | Wed 03 | |||||||||||||||||||||
| Sunrise | 6:43 | - | - | - | - | - | - | - | 6:43 | - | - | - | - | - | - | - | 6:45 | - | - | - | - | - | - | - |
| Sunset | - | - | - | 7:51 | - | - | - | - | - | - | - | 7:50 | - | - | - | - | - | - | - | 7:47 | - | - | - | - |
 | | | |  |  | | |  | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 15 | 18 | 19 | 18 | 15 | 14 | 13 | 13 | 14 | 17 | 17 | 17 | 14 | 13 | 13 | 13 | 14 | 17 | 17 | 17 | 14 | 13 | 13 | 13 |
| Feels °C (?) | 13 | 15 | 16 | 14 | 12 | 11 | 10 | 10 | 11 | 13 | 12 | 12 | 10 | 9 | 9 | 9 | 11 | 14 | 14 | 14 | 11 | 11 | 10 | 10 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for CAL - Humboldt
Continuing clean conditions at Cape Mendocino (calm at Fortuna 28 km from Cape Mendocino). 0.5m 16s long period groundswell from the SW with a 0.4m 10s swell, also from the SW and a 0.4m 15s groundswell, also from the S. 3 swells combining to make bigger set waves.
28 km away, 34 min ago
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