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Avalanche surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 am Saturday 16 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 1PM is: 0.6m 11s primary swell from a Northwest direction and 0.8m 8s secondary swell from a Northeast direction (forecast issued at 07:00am May 16). The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 May) | 2ft (0.6m) | 11s |
| Afternoon (16 May) | 1.5ft (0.5m) | 14s |
| Evening (16 May) | 1.5ft (0.5m) | 14s |
Table - waves today at Avalanche. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 3mm), mostly falling on Sat afternoon. Warm (max 26°C on Sun morning, min 23°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 16 | Sunday 17 | Monday 18 | Tue 19 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
NW 11 | NW 11 | NW 11 | SW 14 | SW 14 | SW 14 | NE 8 | NE 8 | NNW 10 | NNW 10 | NNW 10 | SSW 15 | NE 8 | NE 8 | NE 6 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 6 | |
123 | 123 | 96 | 102 | 103 | 102 | 71 | 55 | 69 | 69 | 68 | 0 | 63 | 64 | 41 | 75 | 84 | 79 | 79 | 75 | 67 | 65 | 63 | 47 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | cross-off | off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 2:07AM0.17m | 3:16PM0.60m | 2:55AM0.13m | 4:02PM0.61m | 3:47AM0.11m | 4:52PM0.60m | ||||||||||||||||||
Low Tide | 6:43AM-0.10m | 9:31PM0.01m | 7:21AM-0.10m | 10:30PM0.01m | 8:03AM-0.09m | 11:31PM0.00m | ||||||||||||||||||
 |  | |  | |  |  | | |  | | | | |  | | |  | | | | | | | |
 | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | 5:52 |
 | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:05 | — | — | 7:05 |
— | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 24 | 23 | 24 | 26 | 26 | 26 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 24 | 24 | 24 |
26 | 25 | 27 | 27 | 28 | 28 | 28 | 26 | 24 | 25 | 26 | 26 | 26 | 24 | 24 | 24 | 24 | 24 | 25 | 24 | 25 | 24 | 24 | 24 | |
Swell 1 Height (m) Direction Period (s) | NW 11 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | SSE 9 | SSE 9 | NE 8 | SSW 15 | SSW 15 | SSW 15 | NE 6 | SSW 14 | NE 7 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 |
 kJ | 123 | 79 | 82 | 79 | 67 | 67 | 67 | 55 | 103 | 106 | 61 | 249 | 249 | 191 | 41 | 239 | 84 | 233 | 233 | 229 | 168 | 163 | 161 | 161 |
Swell 2 Height (m) Direction Period (s) | NE 7 | NW 11 | NW 11 | NW 11 | NNW 11 | NNW 11 | NNW 10 | SSE 11 | NE 8 | NE 8 | SSE 8 | ENE 8 | SSE 7 | NE 8 | SSW 15 | SSE 7 | SSW 14 | SSE 7 | SSW 19 | SSW 19 | SSW 19 | SSE 10 | NW 12 | SSW 17 |
| kJ | 56 | 123 | 96 | 94 | 78 | 75 | 71 | 99 | 55 | 55 | 50 | 56 | 31 | 64 | 242 | 15 | 236 | 15 | 251 | 251 | 212 | 38 | 35 | 92 |
Swell 3 Height (m) Direction Period (s) | SSE 11 | SSW 16 | SSW 15 | SW 14 | SW 14 | SW 14 | SSW 17 | SSW 15 | NNW 10 | NNW 10 | NNW 10 | SSE 7 | NNW 10 | SSE 7 | SSE 7 | NNW 9 | SSE 10 | SW 20 | SSE 10 | SSE 10 | SSE 10 | NW 12 | SSW 16 | NW 11 |
| kJ | 38 | 162 | 152 | 102 | 103 | 102 | 109 | 144 | 69 | 69 | 68 | 31 | 38 | 30 | 16 | 33 | 58 | 97 | 57 | 39 | 38 | 37 | 51 | 31 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | E 8 | E 8 | NE 8 | — | E 3 | NE 7 | — | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 6 |
| kJ | — | — | — | — | — | — | — | — | — | — | 200 | 169 | 63 | — | 1 | 75 | — | 79 | 79 | 75 | 67 | 65 | 63 | 47 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 6 | 6 | 14 | 6 | 6 | 5 | 0 | 8 | 14 | 14 | 14 | 14 | 8 | 8 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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