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Surf Forecasts:
Third Reef surfForecast / CAL – Humboldt / USA
48hr Weather and Surf, issued 10 am Saturday 18 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
11.8° C
(Which is normal for this time of year)How big are the waves at Third Reef today?
The current surf forecast for Third Reef at 2PM is: 0.8m 15s primary swell from a South-southwest direction and 0.6m 8s secondary swell from a Northwest direction (forecast issued at 10:00am April 18). The wind direction is predicted to be glassy.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Apr) | 2.5ft (0.8m) | 16s |
| Afternoon (18 Apr) | 2.5ft (0.8m) | 15s |
| Evening (18 Apr) | 2.5ft (0.7m) | 15s |
Table - waves today at Third Reef. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 18 | Sunday 19 | Monday 20 | Tue 21 | |||||||||||||||||||||
| 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 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 8 | 8 | 8 | 13 | 14 | 13 | 12 | 12 | 12 | 12 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 253 | 270 | 249 | 191 | 188 | 167 | 218 | 215 | 233 | 226 | 220 | 213 | 331 | 314 | 271 | 201 | 508 | 936 | 1314 | 1252 | 1121 | 843 | 704 | 604 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | on | glass | glass | glass | glass | cross- off | cross- off | cross- off | cross- off | cross | cross- off | cross- off | cross- off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off |
High Tide / height (m) | 1:15PM 1.55 | 12:23AM 2.06 | 2:12PM 1.48 | 1:05AM 2.06 | 3:13PM 1.40 | 1:52AM 2.01 | ||||||||||||||||||
Low Tide / height (m) | 6:41AM -0.41 | 6:24PM 0.59 | 7:29AM -0.48 | 7:04PM 0.71 | 8:21AM -0.48 | 7:49PM 0.82 | ||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | Tue 21 | |||||||||||||||||||||
| Sunrise | 6:33 | - | - | - | - | - | - | - | 6:33 | - | - | - | - | - | - | - | 6:31 | - | - | - | - | - | - | - |
| Sunset | - | - | - | 7:57 | - | - | - | - | - | - | - | 7:58 | - | - | - | - | - | - | - | 7:59 | - | - | - | - |
 | |  |  |  |  | | | | | | | | |  | |  |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 4 | 4 | 9 | 7 | 4 | 3 | 1 | 1 | 3 |
| Temp. °C | 10 | 14 | 11 | 11 | 11 | 12 | 12 | 11 | 11 | 12 | 13 | 13 | 12 | 12 | 11 | 11 | 10 | 11 | 11 | 12 | 11 | 11 | 12 | 11 |
| Feels °C (?) | 7 | 11 | 9 | 9 | 9 | 9 | 9 | 8 | 7 | 8 | 9 | 8 | 9 | 10 | 8 | 8 | 8 | 8 | 7 | 10 | 10 | 9 | 9 | 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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