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Surf Forecasts:
Avalanche surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 pm Friday 22 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
25.6° C
(Which is normal for this time of year)How big are the waves at Avalanche today?
The current surf forecast for Avalanche at 5PM is: 1.6m 8s primary swell from a Northeast direction and 0.5m 11s secondary swell from a Northwest direction (forecast issued at 01:00pm May 22). An open ocean swell of 0.5m 14s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 May) | 4.5ft (1.4m) | 8s |
| Afternoon (22 May) | 5ft (1.6m) | 8s |
| Evening (22 May) | 5ft (1.6m) | 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 24°C on Fri afternoon, min 22°C on Sat night). Mainly fresh winds. | ||||||||||||||||||||||||
Fri 22 | Saturday 23 | Sunday 24 | Mon 25 | |||||||||||||||||||||
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 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | |
264 | 281 | 300 | 326 | 308 | 321 | 306 | 355 | 388 | 448 | 367 | 380 | 382 | 327 | 277 | 270 | 330 | 338 | 311 | 338 | 330 | 322 | 264 | 239 | |
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 | 9:08AM0.16m | 8:32PM0.43m | 10:27AM0.22m | 9:26PM0.37m | 11:25AM0.29m | 10:16PM0.32m | ||||||||||||||||||
Low Tide | 12:11PM0.09m | 3:02AM-0.01m | 1:55PM0.14m | 3:36AM-0.02m | 3:38PM0.15m | 4:06AM-0.02m | ||||||||||||||||||
 | |  |  | |  | | |  | | | |  | | | | | | | | | | | | |
 | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — |
 | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | 7:07 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 23 | 23 | 23 | 22 | 23 | 24 | 24 | 24 | 23 | 23 | 22 | 23 | 23 |
20 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 18 | 20 | 20 | 20 | 19 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 20 | 19 | 21 | 21 | |
Swell 1 Height (m) Direction Period (s) | S 15 | S 14 | S 14 | NW 11 | NW 11 | S 16 | S 16 | S 16 | S 16 | S 16 | S 15 | NW 14 | NW 14 | NW 13 | NW 13 | NNW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 |
 kJ | 109 | 103 | 94 | 57 | 57 | 188 | 185 | 127 | 125 | 242 | 215 | 211 | 194 | 180 | 175 | 206 | 152 | 149 | 144 | 142 | 106 | 101 | 97 | 97 |
Swell 2 Height (m) Direction Period (s) | NNW 10 | NNW 11 | NW 11 | S 14 | S 17 | NW 11 | NW 10 | NW 10 | NNW 16 | NNW 16 | NNW 15 | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 14 | S 14 | S 14 | S 12 |
| kJ | 41 | 45 | 57 | 93 | 143 | 56 | 53 | 51 | 102 | 164 | 191 | 212 | 155 | 155 | 146 | 134 | 93 | 92 | 92 | 88 | 138 | 140 | 142 | 46 |
Swell 3 Height (m) Direction Period (s) | SE 12 | S 18 | S 18 | S 18 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | NNW 10 | NNW 10 | NNW 10 | NW 10 | NW 10 | NW 10 | NW 10 | SSE 11 | S 16 | S 16 | S 16 | S 16 | S 21 | SW 20 | SE 6 | S 14 |
| kJ | 37 | 98 | 98 | 97 | 60 | 60 | 58 | 58 | 40 | 40 | 39 | 25 | 25 | 24 | 24 | 12 | 46 | 46 | 46 | 46 | 9 | 16 | 5 | 66 |
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 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 |
| kJ | 264 | 281 | 300 | 326 | 308 | 321 | 306 | 355 | 388 | 448 | 367 | 380 | 382 | 327 | 277 | 270 | 330 | 338 | 311 | 338 | 330 | 322 | 264 | 239 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 162 | 165 | 165 | 163 | 163 | 163 | 166 | 163 | 171 | 163 | 163 | 163 | 163 | 16 | 14 | 16 | 165 | 166 | 166 | 16 | 16 | 16 | 16 | 16 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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