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Avalanche surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 pm Sunday 24 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 normal for this time of year)How big are the waves at Avalanche today?
The current surf forecast for Avalanche at 6PM is: 1.6m 8s primary swell from a Northeast direction and 0.7m 12s secondary swell from a Northwest direction (forecast issued at 01:00pm May 24). An open ocean swell of 0.5m 13s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 May) | 4.5ft (1.4m) | 8s |
| Afternoon (24 May) | 5ft (1.5m) | 8s |
| Evening (24 May) | 5.5ft (1.7m) | 8s |
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 Tue afternoon, min 22°C on Sun night). Mainly fresh winds. | ||||||||||||||||||||||||
Sun 24 | Monday 25 | Tuesday 26 | Wed 27 | |||||||||||||||||||||
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 | 5 AM | 8 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 7 | NE 8 | NE 8 | NW 19 | NW 18 | NW 17 | NW 16 | NW 16 | NW 15 | NW 15 | |
283 | 283 | 358 | 382 | 346 | 260 | 201 | 196 | 214 | 239 | 233 | 203 | 198 | 183 | 174 | 181 | 181 | 222 | 258 | 342 | 371 | 357 | 485 | 479 | |
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 | 11:25AM0.29m | 10:16PM0.32m | 12:11PM0.36m | 11:02PM0.27m | 12:50PM0.42m | 11:46PM0.23m | ||||||||||||||||||
Low Tide | 3:38PM0.15m | 4:06AM-0.02m | 5:05PM0.15m | 4:32AM-0.03m | 6:18PM0.13m | 4:57AM-0.04m | ||||||||||||||||||
 | | |  | |  | | | | | | | |  | |  | | | | | | | | | |
 | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — |
 | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | 7:08 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 24 | 23 | 23 | 23 | 22 | 22 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 25 | 24 | 23 | 23 | 23 | 23 | 23 |
20 | 21 | 19 | 20 | 20 | 19 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 22 | 23 | 21 | 20 | 21 | 22 | 21 | 21 | |
Swell 1 Height (m) Direction Period (s) | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NE 8 | NE 8 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | NW 19 | NW 18 | NW 17 | NW 16 | NE 7 | NE 7 | NW 15 |
 kJ | 152 | 149 | 144 | 142 | 106 | 101 | 201 | 196 | 142 | 132 | 125 | 84 | 84 | 84 | 84 | 84 | 80 | 222 | 258 | 342 | 371 | 118 | 118 | 479 |
Swell 2 Height (m) Direction Period (s) | S 14 | S 13 | S 13 | S 13 | S 14 | S 14 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | S 16 | S 12 | S 12 | S 16 | S 15 | NW 16 | NW 15 | S 14 |
| kJ | 93 | 92 | 92 | 88 | 136 | 140 | 97 | 97 | 58 | 57 | 56 | 55 | 53 | 27 | 25 | 25 | 79 | 74 | 72 | 172 | 161 | 357 | 485 | 146 |
Swell 3 Height (m) Direction Period (s) | S 16 | S 16 | S 16 | S 16 | S 21 | SW 20 | S 14 | S 12 | SW 20 | SSE 7 | SSE 6 | SE 10 | SSE 8 | SSE 6 | SE 6 | S 16 | NW 20 | S 16 | S 16 | NW 10 | NW 9 | S 15 | S 14 | NNW 9 |
| kJ | 46 | 46 | 46 | 46 | 9 | 16 | 142 | 47 | 15 | 4 | 4 | 4 | 7 | 4 | 9 | 48 | 60 | 45 | 77 | 23 | 14 | 150 | 148 | 8 |
Wind waves Height (m) Direction Period (s) | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | ENE 8 | E 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 7 | NE 8 | NE 8 | NE 7 | NE 7 | NE 7 | NE 7 | E 7 | E 7 | NE 7 |
| kJ | 283 | 283 | 358 | 382 | 346 | 260 | 273 | 272 | 214 | 239 | 233 | 203 | 198 | 183 | 174 | 181 | 181 | 160 | 193 | 193 | 171 | 239 | 203 | 132 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 162 | 165 | 163 | 16 | 166 | 16 | 14 | 14 | 14 | 165 | 16 | 16 | 16 | 16 | 16 | 16 | 14 | 16 | 163 | 16 | 14 | 14 | 14 | 6 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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