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Third Reef surfForecast / CAL – Humboldt / USA
48hr Weather and Surf, issued 4 pm Tuesday 19 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
9.7° C
(Which is 2.2°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 12AM is: 1.9m 13s primary swell from a Northwest direction and 0.4m 16s secondary swell from a Southwest direction, 2.0m 8s secondary swell from a Northwest direction (forecast issued at 04:00pm May 19). The wind direction is predicted to be cross-offshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 8ft (2.5m) | 13s |
| Afternoon (20 May) | 7.5ft (2.3m) | 12s |
| Evening (20 May) | 4.5ft (1.4m) | 12s |
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 10°C on Tue night). Winds decreasing (fresh winds from the NW on Wed afternoon, calm by Thu afternoon). | ||||||||||||||||||||||||
Tue 19 | Wednesday 20 | Thursday 21 | Fri 22 | |||||||||||||||||||||
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 | 8 AM | 11 AM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
NW 14 | WNW 13 | NW 13 | NW 13 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | WNW 12 | WNW 11 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 9 | NW 9 | NW 10 | NW 10 | NW 10 | |
1760 | 624 | 1430 | 1147 | 2031 | 1204 | 1939 | 1112 | 1398 | 1374 | 518 | 694 | 749 | 749 | 749 | 735 | 810 | 716 | 538 | 688 | 760 | 636 | 687 | 624 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross | cross | cross | cross-off | cross | cross-on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross | cross-on | cross-on | glassy | cross | cross | cross | cross-off | glassy | cross-on | |
High Tide | 3:13PM1.40m | 1:37AM2.01m | 4:11PM1.40m | 2:34AM1.85m | 5:10PM1.42m | 3:39AM1.66m | ||||||||||||||||||
Low Tide | 7:40PM0.87m | 9:06AM-0.55m | 8:45PM0.89m | 10:03AM-0.39m | 10:05PM0.87m | 11:00AM-0.22m | ||||||||||||||||||
 | | |  | | | | | | | | | | | |  | | | | | | | | | |
 | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:54 | — | — |
 | — | — | 8:28 | — | — | — | — | — | — | — | 8:29 | — | — | — | — | — | — | — | 8:30 | — | — | — | — | 8:30 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 17 | 21 | 17 | 11 | 10 | 10 | 13 | 18 | 18 | 18 | 14 | 11 | 11 | 12 | 15 | 14 | 14 | 14 | 13 | 13 | 12 | 13 | 15 | 13 |
13 | 16 | 13 | 7 | 7 | 7 | 10 | 14 | 11 | 12 | 10 | 8 | 8 | 10 | 14 | 12 | 12 | 14 | 12 | 11 | 9 | 11 | 14 | 11 | |
Swell 1 Height (m) Direction Period (s) | SW 16 | WNW 13 | SW 16 | NW 13 | NW 13 | NW 13 | NW 13 | SW 21 | SW 16 | SW 16 | WNW 12 | WNW 11 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 |
 kJ | 69 | 624 | 96 | 1147 | 1147 | 1204 | 1149 | 224 | 90 | 89 | 518 | 694 | 749 | 749 | 749 | 735 | 759 | 716 | 538 | 589 | 589 | 636 | 687 | 624 |
Swell 2 Height (m) Direction Period (s) | S 15 | SW 16 | S 15 | SW 16 | SW 16 | SW 16 | SW 21 | SW 16 | S 14 | S 14 | SW 16 | SW 16 | SW 15 | SW 15 | SW 19 | SW 19 | SW 19 | SW 15 | SW 15 | SW 15 | SW 15 | SW 17 | SW 15 | SW 18 |
| kJ | 39 | 69 | 39 | 96 | 96 | 68 | 162 | 65 | 61 | 59 | 122 | 119 | 112 | 79 | 184 | 303 | 184 | 113 | 115 | 116 | 116 | 142 | 112 | 154 |
Swell 3 Height (m) Direction Period (s) | SW 24 | S 15 | S 12 | S 15 | S 15 | S 14 | SW 16 | S 14 | SW 21 | SSW 21 | S 14 | S 14 | S 14 | S 14 | SW 15 | SW 15 | SW 15 | S 13 | S 13 | S 13 | S 13 | S 13 | SW 18 | SW 15 |
| kJ | 87 | 39 | 11 | 39 | 38 | 37 | 66 | 36 | 117 | 44 | 33 | 57 | 57 | 57 | 78 | 79 | 80 | 54 | 54 | 54 | 53 | 52 | 111 | 109 |
Wind waves Height (m) Direction Period (s) | NW 14 | NW 8 | NW 13 | NW 8 | NW 13 | NW 8 | NW 13 | NW 12 | NW 12 | NW 12 | NW 9 | NNW 9 | NW 8 | — | — | — | NW 10 | — | NNW 9 | NW 9 | NW 9 | — | — | — |
| kJ | 1760 | 413 | 1430 | 489 | 2031 | 427 | 1939 | 1112 | 1398 | 1374 | 388 | 130 | 599 | — | — | — | 810 | — | 151 | 688 | 760 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 211 | 386 | 57 | 29 | 0 | 0 | 3 | 193 | 243 | 265 | 57 | 3 | 0 | 0 | 3 | 169 | 905 | 0 | 3 | 3 | 3 | 0 | 0 | 141 |
Best forecast wave conditions in Humboldt County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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