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Surf Forecasts:
Third Reef surfForecast / CAL – Humboldt / USA
48hr Weather and Surf, issued 10 pm Friday 20 Mar 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
10.8° C
(Which is slightly cooler than normal)How big are the waves at Third Reef today?
The current surf forecast for Third Reef at 2AM is: 0.9m 11s primary swell from a West direction and 0.7m 11s secondary swell from a Northwest direction, 1.1m 6s secondary swell from a Northwest direction (forecast issued at 10:00pm March 20). The wind direction is predicted to be cross-shore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Mar) | 2ft (0.6m) | 15s |
| Afternoon (21 Mar) | 6ft (1.9m) | 8s |
| Evening (21 Mar) | 7ft (2.1m) | 9s |
Table - waves today at Third Reef. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Fri 20 | Saturday 21 | Sunday 22 | Monday 23 | |||||||||||||||||||||
| 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 | 8 AM | 11 AM | 2 PM | 5 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 11 | 11 | 16 | 7 | 7 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 256 | 235 | 188 | 184 | 160 | 147 | 363 | 715 | 731 | 699 | 800 | 817 | 697 | 745 | 694 | 699 | 729 | 1624 | 918 | 1573 | 1316 | 622 | 538 | 549 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- off | cross | cross- off | cross | cross- on | cross- on | cross- on | cross | cross | cross- off | cross- off | cross | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross- off | cross- on | cross- on | cross- on |
High Tide / height (m) | 1:03AM 1.97 | 2:05PM 1.61 | 1:38AM 2.01 | 3:04PM 1.48 | 2:18AM 2.01 | 4:11PM 1.35 | ||||||||||||||||||
Low Tide / height (m) | 6:57PM 0.40 | 7:42AM -0.08 | 7:31PM 0.55 | 8:33AM -0.14 | 8:07PM 0.71 | 9:30AM -0.14 | ||||||||||||||||||
Fri 20 | Saturday 21 | Sunday 22 | Monday 23 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 7:18 | - | - | - | - | - | - | - | 7:16 | - | - | - | - | - | - | - | 7:15 | - | - | - |
| Sunset | - | - | - | - | - | - | - | 7:29 | - | - | - | - | - | - | - | 7:30 | - | - | - | - | - | - | - | 7:30 |
 | |  |  |  | | | | | | | |  | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 14 | 13 | 11 | 11 | 15 | 17 | 15 | 10 | 7 | 7 | 8 | 9 | 14 | 14 | 13 | 12 | 9 | 8 | 8 | 8 | 11 | 11 | 11 |
| Feels °C (?) | 14 | 11 | 10 | 8 | 8 | 11 | 11 | 9 | 5 | 2 | 3 | 4 | 5 | 11 | 10 | 9 | 9 | 6 | 5 | 5 | 5 | 8 | 7 | 9 |
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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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