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Avalanche surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 pm Monday 25 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
25.2° 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: 1.3m 8s primary swell from a Northeast direction and 0.5m 11s secondary swell from a Northwest direction (forecast issued at 01:00pm May 25). An open ocean swell of 0.6m 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 (25 May) | 4.5ft (1.3m) | 8s |
| Afternoon (25 May) | 4.5ft (1.3m) | 8s |
| Evening (25 May) | 4.5ft (1.3m) | 8s |
Table - waves today at Avalanche. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 5mm), mostly falling on Mon afternoon. Warm (max 24°C on Mon afternoon, min 22°C on Tue night). Mainly fresh winds. | ||||||||||||||||||||||||
Mon 25 | Tuesday 26 | Wednesday 27 | Thu 28 | |||||||||||||||||||||
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 | NW 19 | NW 18 | NW 17 | NW 16 | NW 16 | NW 15 | NW 15 | NW 14 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 13 | NW 12 | |
216 | 214 | 260 | 227 | 216 | 210 | 186 | 164 | 160 | 222 | 258 | 342 | 371 | 357 | 485 | 479 | 387 | 428 | 416 | 340 | 335 | 330 | 277 | 210 | |
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 | 12:11PM0.36m | 11:02PM0.27m | 12:50PM0.42m | 11:46PM0.23m | 1:24PM0.47m | 00:27AM0.19m | ||||||||||||||||||
Low Tide | 5:05PM0.15m | 4:32AM-0.03m | 6:18PM0.13m | 4:57AM-0.04m | 7:17PM0.11m | 5:22AM-0.04m | ||||||||||||||||||
 |  | |  |  | |  |  | | |  | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — |
 | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:08 | — | — | — | — | 7:08 |
— | 1 | — | — | — | — | — | — | — | — | 1 | — | — | — | — | 1 | 1 | — | — | — | — | — | — | 1 | |
Temp °C | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 23 | 23 | 23 | 22 | 22 | 23 | 23 | 24 | 24 | 23 | 23 | 23 | 23 | 23 |
22 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 22 | 21 | 20 | 20 | 21 | 19 | 20 | 22 | 21 | 21 | 22 | 21 | 21 | 22 | 22 | 22 | |
Swell 1 Height (m) Direction Period (s) | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 16 | NW 19 | NW 18 | NW 17 | NW 16 | NW 16 | NW 15 | NW 15 | NW 14 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 13 | NW 12 |
 kJ | 142 | 132 | 125 | 84 | 84 | 84 | 84 | 84 | 178 | 222 | 258 | 342 | 371 | 357 | 485 | 479 | 387 | 428 | 416 | 340 | 335 | 330 | 277 | 210 |
Swell 2 Height (m) Direction Period (s) | NW 11 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | SE 6 | SE 6 | S 12 | S 16 | S 15 | S 15 | S 14 | S 14 | NE 7 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 12 |
| kJ | 58 | 57 | 56 | 55 | 39 | 27 | 25 | 25 | 9 | 19 | 46 | 172 | 161 | 150 | 148 | 146 | 82 | 191 | 178 | 170 | 167 | 121 | 117 | 110 |
Swell 3 Height (m) Direction Period (s) | SE 6 | S 15 | S 20 | SE 6 | S 17 | SE 8 | S 17 | SSE 6 | NW 20 | S 12 | S 16 | NW 10 | NW 10 | SE 8 | SE 8 | SE 8 | S 14 | NNW 9 | N 12 | N 12 | N 12 | SE 6 | NNE 12 | NNE 12 |
| kJ | 8 | 5 | 7 | 8 | 23 | 3 | 22 | 4 | 60 | 47 | 77 | 14 | 14 | 18 | 24 | 17 | 144 | 8 | 12 | 26 | 27 | 9 | 46 | 47 |
Wind waves Height (m) Direction Period (s) | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | E 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 |
| kJ | 216 | 214 | 260 | 227 | 216 | 210 | 186 | 164 | 160 | 141 | 229 | 193 | 171 | 121 | 130 | 97 | 209 | 135 | 139 | 123 | 89 | 102 | 118 | 102 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 16 | 165 | 165 | 16 | 16 | 16 | 16 | 16 | 14 | 163 | 166 | 16 | 14 | 14 | 14 | 6 | 14 | 162 | 14 | 14 | 14 | 6 | 6 | 6 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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