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Avalanche surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 am Saturday 09 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 1PM is: 0.8m 11s primary swell from a Northwest direction and 1.2m 6s secondary swell from a North-northeast direction (forecast issued at 07:00am May 09). An open ocean swell of 0.3m 15s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 May) | 3.5ft (1.0m) | 11s |
| Afternoon (09 May) | 2.5ft (0.8m) | 11s |
| Evening (09 May) | 4.5ft (1.3m) | 7s |
Table - waves today at Avalanche. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Sat morning. Warm (max 25°C on Sun morning, min 23°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 9 | Sunday 10 | Monday 11 | Tue 12 | |||||||||||||||||||||
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 | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NNW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NNE 7 | NW 11 | NNW 11 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 11 | NNW 11 | NNW 11 | N 11 | NW 11 | NW 11 | NW 11 | |
387 | 233 | 198 | 140 | 140 | 140 | 172 | 151 | 215 | 329 | 331 | 310 | 324 | 486 | 514 | 371 | 341 | 454 | 356 | 350 | 326 | 166 | 137 | 117 | |
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 | 10:25AM0.14m | 9:27PM0.37m | 11:14AM0.20m | 10:17PM0.36m | 11:54AM0.28m | 11:05PM0.33m | ||||||||||||||||||
Low Tide | 3:28AM0.02m | 1:01PM0.11m | 3:55AM0.00m | 2:47PM0.12m | 4:19AM-0.02m | 4:13PM0.12m | ||||||||||||||||||
 |  |  |  | | | | | | |  | | | | | |  | | | | | | | | |
 | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | 5:54 |
 | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:01 | — | — | 7:01 |
— | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 23 | 23 | 24 | 24 | 23 | 23 | 23 | 23 | 24 | 25 | 25 | 25 | 23 | 23 | 23 | 23 | 24 | 25 | 25 | 24 | 24 | 24 | 23 |
23 | 22 | 21 | 22 | 22 | 23 | 23 | 23 | 23 | 24 | 24 | 23 | 23 | 22 | 22 | 23 | 22 | 23 | 24 | 23 | 22 | 23 | 22 | 21 | |
Swell 1 Height (m) Direction Period (s) | NNW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NNE 7 | NNE 7 | NNE 6 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 11 | NNW 11 | NNW 11 | SSW 18 | NW 11 | NW 11 | NW 11 |
 kJ | 387 | 233 | 198 | 140 | 140 | 140 | 135 | 114 | 88 | 329 | 331 | 310 | 324 | 486 | 514 | 371 | 341 | 454 | 356 | 350 | 102 | 166 | 137 | 117 |
Swell 2 Height (m) Direction Period (s) | SSW 16 | SSW 16 | S 16 | S 15 | SSW 15 | SSW 15 | NW 11 | NNW 11 | NNW 11 | NNE 6 | NW 13 | SSW 13 | NW 13 | SE 7 | SE 8 | SSW 13 | SE 8 | SE 8 | SE 8 | SSW 18 | SE 6 | SSW 17 | SSW 17 | SSW 17 |
| kJ | 84 | 83 | 44 | 39 | 42 | 71 | 172 | 151 | 215 | 51 | 63 | 58 | 85 | 7 | 18 | 33 | 23 | 20 | 20 | 103 | 8 | 101 | 101 | 99 |
Swell 3 Height (m) Direction Period (s) | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SW 14 | SW 14 | SSW 14 | NW 13 | SSW 14 | SSW 13 | SSW 13 | NW 13 | SE 8 | SSW 13 | SSW 19 | SE 8 | SSW 12 | SSW 19 | SSW 18 | SE 6 | SSE 8 | SE 7 | SE 8 | SE 7 |
| kJ | 29 | 14 | 14 | 29 | 33 | 33 | 70 | 44 | 66 | 58 | 58 | 63 | 10 | 35 | 68 | 17 | 28 | 69 | 106 | 8 | 7 | 19 | 11 | 12 |
Wind waves Height (m) Direction Period (s) | — | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 7 | E 7 | E 4 | E 5 | E 6 | E 6 | ENE 6 | E 6 | E 6 | ENE 5 | NE 6 | NE 6 | E 6 | E 6 | NE 6 | N 11 | NNE 6 | NNE 6 | NNE 6 |
| kJ | — | 53 | 93 | 114 | 136 | 137 | 16 | 14 | 19 | 22 | 30 | 13 | 40 | 29 | 35 | 30 | 24 | 81 | 80 | 5 | 326 | 60 | 75 | 75 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 14 | 14 | 18 | 20 | 24 | 14 | 6 | 6 | 6 | 6 | 6 | 6 | 17 | 6 | 14 | 6 | 6 | 6 | 6 | 18 | 162 | 14 | 16 | 6 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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