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Surf Forecasts:
Third Reef surfForecast / CAL – Humboldt / USA
48hr Weather and Surf, issued 10 am Saturday 21 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 3PM is: 1.8m 10s primary swell from a Northwest direction and 0.7m 10s secondary swell from a West direction, 0.5m 15s secondary swell from a South-southwest direction (forecast issued at 10:00am March 21). The wind direction is predicted to be cross-onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Mar) | 2ft (0.6m) | 15s |
| Afternoon (21 Mar) | 6ft (1.8m) | 10s |
| 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
Saturday 21 | Sunday 22 | Monday 23 | Tue 24 | |||||||||||||||||||||
| 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) (?) | 16 | 11 | 10 | 9 | 9 | 9 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 160 | 137 | 626 | 669 | 636 | 699 | 817 | 1478 | 632 | 1212 | 586 | 651 | 619 | 1219 | 1420 | 1300 | 1156 | 592 | 549 | 477 | 524 | 431 | 375 | 347 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- on | cross- on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross- on | cross- on | cross- on | cross | cross- off | cross | cross | cross- off | cross- on | cross- on | cross- on | cross- on | glass | off | cross- off |
High Tide / height (m) | 2:05PM 1.61 | 1:38AM 2.01 | 3:04PM 1.48 | 2:18AM 2.01 | 4:11PM 1.35 | 3:04AM 1.98 | ||||||||||||||||||
Low Tide / height (m) | 7:42AM -0.08 | 7:31PM 0.55 | 8:33AM -0.14 | 8:07PM 0.71 | 9:30AM -0.14 | 8:49PM 0.85 | ||||||||||||||||||
Saturday 21 | Sunday 22 | Monday 23 | Tue 24 | |||||||||||||||||||||
| Sunrise | 7:18 | - | - | - | - | - | - | - | 7:16 | - | - | - | - | - | - | - | 7:15 | - | - | - | - | - | - | - |
| Sunset | - | - | - | 7:29 | - | - | - | - | - | - | - | 7:30 | - | - | - | - | - | - | - | 7:30 | - | - | - | - |
 | | | |  | | | |  |  | | | | | |  | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 11 | 15 | 17 | 16 | 10 | 7 | 8 | 9 | 9 | 14 | 13 | 13 | 12 | 10 | 9 | 9 | 8 | 13 | 12 | 12 | 11 | 12 | 12 | 12 |
| Feels °C (?) | 8 | 11 | 11 | 10 | 5 | 2 | 4 | 5 | 5 | 11 | 8 | 9 | 9 | 7 | 6 | 6 | 5 | 10 | 8 | 9 | 9 | 10 | 9 | 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)
FREE! Surf-Forecast.com widget for your website
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