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Surf Forecasts:
Third Reef surfForecast / CAL – Humboldt / USA
48hr Weather and Surf, issued 4 am Sunday 17 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
10.8° C
(Which is 1.1°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 1PM is: 2.5m 9s primary swell from a Northwest direction and 0.1m 18s secondary swell from a Southwest direction (forecast issued at 04:00am May 17). An open ocean swell of 0.5m 14s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 8ft (2.5m) | 9s |
| Afternoon (17 May) | 8ft (2.5m) | 9s |
| Evening (17 May) | 8ft (2.4m) | 10s |
Table - waves today at Third Reef. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 21°C on Tue afternoon, min 9°C on Sun night). Winds decreasing (strong winds from the NNW on Sun afternoon, light winds from the NNE by Mon morning). | ||||||||||||||||||||||||
Sunday 17 | Monday 18 | Tuesday 19 | ||||||||||||||||||||||
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 | |
Swell Height Map |    |    |    | |||||||||||||||||||||
NW 13 | NW 9 | NW 10 | NW 9 | NW 9 | NW 9 | NW 10 | NW 10 | NW 10 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 10 | NW 9 | NW 14 | NW 14 | WNW 13 | NW 13 | NW 13 | |
2204 | 1325 | 1161 | 1126 | 1162 | 1069 | 1026 | 1631 | 761 | 589 | 589 | 850 | 606 | 623 | 651 | 1119 | 665 | 699 | 1024 | 1836 | 1998 | 624 | 1430 | 1147 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross | cross-off | |
High Tide | 11:11PM2.14m | 1:18PM1.44m | 11:55PM2.16m | 2:15PM1.42m | 00:44AM2.12m | 3:13PM1.40m | ||||||||||||||||||
Low Tide | 6:29AM-0.67m | 5:57PM0.76m | 7:19AM-0.70m | 6:46PM0.82m | 8:11AM-0.66m | 7:40PM0.87m | ||||||||||||||||||
 | |  | | | | | | | | | | | | | | | | | | | | | | |
 | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:25 | — | — | — | — | — | — | — | 8:27 | — | — | — | — | — | — | — | 8:28 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 10 | 10 | 11 | 14 | 16 | 16 | 14 | 10 | 9 | 10 | 12 | 17 | 19 | 19 | 15 | 10 | 10 | 10 | 13 | 19 | 19 | 21 | 16 | 11 |
5 | 4 | 4 | 6 | 6 | 8 | 8 | 6 | 5 | 5 | 8 | 12 | 13 | 12 | 10 | 6 | 6 | 6 | 9 | 15 | 14 | 14 | 12 | 8 | |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 14 | S 14 | S 14 | SSW 14 | SSW 14 | NW 10 | NW 10 | NW 9 | NW 9 | NW 9 | WNW 18 | WNW 17 | WNW 16 | NW 9 | WNW 16 | NW 10 | NW 10 | NW 14 | SW 16 | WNW 13 | SW 16 | NW 13 |
 kJ | 165 | 165 | 120 | 106 | 104 | 65 | 62 | 1047 | 761 | 589 | 589 | 492 | 123 | 197 | 330 | 561 | 589 | 694 | 554 | 1836 | 69 | 624 | 96 | 1147 |
Swell 2 Height (m) Direction Period (s) | S 20 | S 20 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | S 16 | S 16 | WNW 16 | SW 17 | WNW 15 | WNW 14 | SW 16 | S 15 | SW 16 | S 15 | SW 16 |
| kJ | 7 | 7 | 13 | 13 | 12 | 12 | 12 | 60 | 60 | 59 | 59 | 58 | 34 | 46 | 46 | 525 | 76 | 522 | 638 | 42 | 39 | 69 | 39 | 96 |
Swell 3 Height (m) Direction Period (s) | — | S 20 | — | S 20 | S 19 | S 18 | S 18 | S 18 | SW 18 | SSW 18 | SW 18 | WNW 18 | S 16 | SSW 13 | SW 16 | SW 17 | S 16 | SW 17 | SW 16 | S 15 | SW 24 | S 15 | S 12 | S 15 |
| kJ | — | 7 | — | 7 | 7 | 6 | 25 | 24 | 13 | 32 | 50 | 64 | 47 | 34 | 43 | 47 | 46 | 70 | 69 | 41 | 87 | 39 | 11 | 39 |
Wind waves Height (m) Direction Period (s) | NW 13 | NW 9 | NW 10 | NW 9 | NW 9 | NW 9 | NW 10 | NW 10 | — | — | — | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NNW 8 | NW 9 | NW 9 | NW 14 | NW 8 | NW 13 | NW 8 |
| kJ | 2204 | 1325 | 1161 | 1126 | 1162 | 1069 | 1026 | 1631 | — | — | — | 850 | 606 | 623 | 651 | 1119 | 665 | 699 | 1024 | 816 | 1998 | 413 | 1430 | 453 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 257 | 154 | 183 | 283 | 385 | 386 | 386 | 29 | 3 | 3 | 0 | 180 | 385 | 385 | 183 | 29 | 3 | 3 | 3 | 211 | 265 | 386 | 57 | 29 |
Best forecast wave conditions in Humboldt County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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