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Avalanche surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 pm Sunday 10 May 2026 HSTForecast update in hr min s Forecast update imminent
Avalanche surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Avalanche sea temperature is
25.3° C
(Which is slightly warmer than usual)How big are the waves at Avalanche today?
The current surf forecast for Avalanche at 3AM is: 1.0m 12s primary swell from a Northwest direction and 0.9m 6s secondary swell from a North-northeast direction (forecast issued at 07:00pm May 10). An open ocean swell of 0.8m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | 4.5ft (1.3m) | 11s |
| Afternoon (11 May) | 3ft (0.9m) | 11s |
| Evening (11 May) | 2.5ft (0.8m) | 11s |
Table - waves today at Avalanche. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 25°C on Mon morning, min 23°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sun 10 | Monday 11 | Tuesday 12 | Wed 13 | |||||||||||||||||||||
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 | 2 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
N 10 | NNW 12 | NNW 12 | NW 12 | NW 12 | NNW 11 | NNW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NNE 7 | NNE 6 | NE 6 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 9 | NNW 9 | NNW 9 | |
426 | 560 | 569 | 273 | 273 | 454 | 356 | 169 | 166 | 137 | 137 | 102 | 89 | 98 | 115 | 149 | 157 | 154 | 122 | 120 | 103 | 76 | 73 | 54 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 10:17PM0.36m | 11:54AM0.28m | 11:05PM0.33m | 12:32PM0.36m | 11:50PM0.29m | 1:10PM0.45m | ||||||||||||||||||
Low Tide | 2:47PM0.12m | 4:19AM-0.02m | 4:13PM0.12m | 4:43AM-0.04m | 5:27PM0.10m | 5:09AM-0.06m | ||||||||||||||||||
 |  | | | |  | | | | |  | | | | | | | | | | | | | | |
 | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — |
 | 7:00 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | 7:02 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 25 | 24 | 23 | 23 | 23 | 24 | 25 | 25 | 24 | 23 | 23 | 23 | 23 | 24 | 25 | 25 | 24 | 23 | 23 | 23 | 23 | 23 | 25 | 25 |
23 | 23 | 22 | 22 | 23 | 23 | 24 | 23 | 22 | 21 | 22 | 21 | 21 | 22 | 23 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 24 | 23 | |
Swell 1 Height (m) Direction Period (s) | NW 13 | NNW 12 | NNW 12 | NW 12 | NW 12 | NNW 11 | NNW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NNE 7 | NNE 6 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 9 | NNW 9 | NNW 9 |
 kJ | 85 | 560 | 569 | 273 | 273 | 454 | 356 | 169 | 166 | 137 | 137 | 102 | 80 | 98 | 115 | 149 | 157 | 154 | 122 | 120 | 103 | 76 | 73 | 54 |
Swell 2 Height (m) Direction Period (s) | SE 8 | SE 8 | SSW 19 | NNE 6 | NNE 6 | SSW 19 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | NW 11 | NW 10 | NW 10 | SSW 16 | S 16 | S 16 | S 16 | S 15 | S 15 | ESE 7 | S 15 | S 14 | SSW 15 |
| kJ | 10 | 11 | 68 | 70 | 70 | 71 | 106 | 103 | 102 | 101 | 101 | 92 | 89 | 63 | 144 | 131 | 129 | 79 | 72 | 69 | 21 | 67 | 66 | 85 |
Swell 3 Height (m) Direction Period (s) | SSW 13 | SSW 11 | SSW 11 | SSW 13 | SSW 12 | SE 8 | SE 8 | ESE 6 | SSE 9 | SE 8 | SSE 9 | SSW 17 | SE 8 | SSW 16 | ESE 7 | NW 10 | SSE 9 | SW 16 | SW 16 | SSW 15 | S 15 | SW 16 | SW 15 | S 14 |
| kJ | 34 | 23 | 23 | 33 | 28 | 11 | 17 | 3 | 7 | 18 | 7 | 97 | 30 | 84 | 18 | 35 | 8 | 65 | 65 | 42 | 67 | 63 | 56 | 62 |
Wind waves Height (m) Direction Period (s) | N 10 | E 6 | E 5 | E 5 | E 6 | E 6 | E 6 | NNE 6 | NNE 7 | NNE 7 | NNE 7 | ESE 7 | E 7 | NE 6 | NE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | NE 6 | ENE 6 | ENE 6 | ENE 6 |
| kJ | 426 | 49 | 43 | 36 | 38 | 49 | 53 | 75 | 107 | 99 | 102 | 9 | 198 | 91 | 56 | 99 | 91 | 65 | 65 | 61 | 40 | 64 | 77 | 80 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 162 | 14 | 14 | 14 | 14 | 8 | 17 | 162 | 162 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 16 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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