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Surf Forecasts:
Third Reef surfForecast / CAL – Humboldt / USA
48hr Weather and Surf, issued 4 am Monday 20 Apr 2026 PDTForecast update in hr min s Forecast update imminent
Third Reef surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Third Reef sea temperature is
11.1° C
(Which is slightly cooler than normal)How big are the waves at Third Reef today?
The current surf forecast for Third Reef at 10AM is: 1.6m 14s primary swell from a West-northwest direction and 1.0m 8s secondary swell from a West direction (forecast issued at 04:00am April 20). The wind direction is predicted to be offshore and the swell rating is 3.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Apr) | 4.5ft (1.3m) | 14s |
| Afternoon (20 Apr) | 7ft (2.2m) | 12s |
| Evening (20 Apr) | 6ft (1.9m) | 12s |
Table - waves today at Third Reef. (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) (?) | 13 | 13 | 14 | 13 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 9 | 15 | 15 | 14 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 220 | 201 | 585 | 1026 | 1415 | 1252 | 1016 | 887 | 704 | 615 | 524 | 452 | 353 | 333 | 320 | 255 | 245 | 246 | 242 | 334 | 321 | 357 | 342 | 419 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | glass | glass | off | cross- off | off | cross- off | off | off | off | cross- off | off | off | glass | glass | glass | glass | off | glass | cross- on | cross- on | on | cross- on | cross |
High Tide / height (m) | 1:05AM 2.06 | 3:13PM 1.40 | 1:52AM 2.01 | 4:19PM 1.33 | 2:44AM 1.91 | 5:32PM 1.30 | ||||||||||||||||||
Low Tide / height (m) | 8:21AM -0.48 | 7:49PM 0.82 | 9:18AM -0.42 | 8:42PM 0.91 | 10:21AM -0.32 | 9:55PM 0.96 | ||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | ||||||||||||||||||||||
| Sunrise | - | - | 6:31 | - | - | - | - | - | - | - | 6:30 | - | - | - | - | - | - | - | 6:28 | - | - | - | - | - |
| Sunset | - | - | - | - | - | 7:59 | - | - | - | - | - | - | - | - | 8:00 | - | - | - | - | - | - | - | 8:00 | - |
 |  |  |  |  | |  | | | | | | | | | |  |  |  |  | |  | | | |
Rain (mm) | - | 8 | 14 | 8 | 5 | 5 | 2 | - | 1 | 1 | 2 | 2 | 1 | 1 | 2 | - | - | - | - | 1 | 1 | - | - | - |
| Temp. °C | 13 | 10 | 10 | 10 | 11 | 11 | 11 | 12 | 11 | 11 | 11 | 11 | 11 | 12 | 11 | 11 | 10 | 10 | 10 | 11 | 12 | 11 | 11 | 10 |
| Feels °C (?) | 10 | 10 | 9 | 7 | 9 | 9 | 8 | 9 | 8 | 9 | 9 | 9 | 9 | 11 | 10 | 10 | 9 | 8 | 8 | 9 | 9 | 9 | 8 | 8 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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