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Surf Forecasts:
Third Reef surfForecast / CAL – Humboldt / USA
48hr Weather and Surf, issued 10 pm Thursday 21 May 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
9.8° C
(Which is 2.3°C colder than average for this time of year)How big are the waves at Third Reef today?
The current surf forecast for Third Reef at 5AM is: 1.8m 10s primary swell from a Northwest direction and 0.4m 15s secondary swell from a Southwest direction (forecast issued at 10:00pm May 21). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 May) | 6ft (1.8m) | 10s |
| Afternoon (22 May) | 6ft (1.8m) | 10s |
| Evening (22 May) | 7ft (2.1m) | 9s |
Table - waves today at Third Reef. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 15°C on Thu night, min 9°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 21 | Friday 22 | Saturday 23 | Sunday 24 | |||||||||||||||||||||
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 | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
NW 10 | NW 10 | WNW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 9 | NW 9 | NW 9 | NW 9 | NW 8 | SSW 15 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | NW 16 | NW 16 | SSW 16 | WNW 15 | |
640 | 535 | 327 | 577 | 589 | 636 | 624 | 531 | 711 | 660 | 718 | 224 | 165 | 201 | 201 | 255 | 255 | 258 | 258 | 258 | 264 | 261 | 223 | 372 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross | cross-off | glassy | glassy | cross-on | glassy | glassy | cross | cross-off | cross-off | glassy | cross-off | cross | glassy | glassy | glassy | glassy | cross-off | cross-off | glassy | cross | cross | cross-off | |
High Tide | 5:10PM1.42m | 3:39AM1.66m | 6:06PM1.47m | 4:54AM1.46m | 6:57PM1.54m | 6:20AM1.30m | ||||||||||||||||||
Low Tide | 10:05PM0.87m | 11:00AM-0.22m | 11:32PM0.79m | 11:55AM-0.04m | 00:54AM0.63m | 12:48PM0.14m | ||||||||||||||||||
 |  | | | |  | | | | | | | | | | | |  | | | | | | | |
 | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — |
 | 8:30 | — | — | — | — | — | — | — | 8:30 | — | — | — | — | — | — | — | 8:30 | — | — | — | — | — | — | 8:31 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 13 | 14 | 14 | 15 | 15 | 13 | 12 | 12 | 12 | 11 | 10 | 10 | 10 | 12 | 11 | 11 | 10 | 10 | 9 | 10 | 10 | 11 | 11 | 12 |
13 | 13 | 13 | 14 | 14 | 12 | 11 | 11 | 10 | 9 | 8 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 8 | 9 | 9 | 9 | 9 | 10 | |
Swell 1 Height (m) Direction Period (s) | NW 10 | NW 10 | WNW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 9 | NW 9 | NW 9 | NW 9 | NW 8 | NW 8 | NW 8 | NW 8 | WNW 10 | NW 8 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | NW 15 | WNW 15 |
 kJ | 640 | 535 | 327 | 577 | 589 | 636 | 624 | 531 | 393 | 321 | 269 | 224 | 165 | 161 | 120 | 183 | 71 | 145 | 139 | 98 | 98 | 98 | 223 | 372 |
Swell 2 Height (m) Direction Period (s) | SW 15 | SW 15 | NNW 9 | SW 15 | SW 15 | SW 18 | SSW 18 | SW 18 | NW 11 | NW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | NNW 8 | WNW 10 | SW 16 | SW 16 | SW 16 | NW 8 | NW 8 | WNW 9 | SW 16 |
| kJ | 115 | 116 | 226 | 54 | 110 | 154 | 209 | 154 | 58 | 117 | 133 | 130 | 127 | 122 | 122 | 54 | 120 | 258 | 258 | 258 | 65 | 65 | 76 | 255 |
Swell 3 Height (m) Direction Period (s) | S 13 | S 13 | SW 15 | S 13 | SW 18 | SW 15 | SW 15 | SW 15 | SW 18 | SW 15 | SW 15 | SW 15 | SSW 15 | SW 16 | SW 16 | SW 16 | SW 16 | NNW 8 | NNW 8 | NNW 8 | NW 16 | NW 16 | SSW 16 | NW 8 |
| kJ | 54 | 54 | 116 | 52 | 154 | 109 | 109 | 109 | 152 | 106 | 109 | 109 | 156 | 201 | 201 | 255 | 255 | 42 | 42 | 42 | 264 | 261 | 220 | 48 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | NW 9 | NW 9 | NW 9 | — | — | — | — | — | — | — | — | — | — | S 4 | S 4 | S 4 |
| kJ | — | — | — | — | — | — | — | — | 711 | 660 | 718 | — | — | — | — | — | — | — | — | — | — | 4 | 5 | 9 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 3 | 0 | 0 | 0 | 141 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 141 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 169 | 141 | 0 |
Best forecast wave conditions in Humboldt County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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