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Avalanche surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 pm Wednesday 27 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
25.1° C
(Which is normal for this time of year)How big are the waves at Avalanche today (27 May):
- Morning surf: Morning surf (27 May, local time) - 3.5ft (1.0m), 14s period with NW swell.
- Afternoon surf: Afternoon surf (27 May, local time) - 3.5ft (1.1m), 14s period with NW swell.
- Evening surf: Evening surf (27 May, local time) - 3.5ft (1.0m), 13s period with NW swell.
The current surf forecast for Avalanche at 7PM is: 1.0m 13s primary swell from a Northwest direction and 1.1m 7s secondary swell from a Northeast direction (forecast issued at 01:00pm May 27). An open ocean swell of 0.7m 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 (27 May) | 3.5ft (1.0m) | 14s |
| Afternoon (27 May) | 3.5ft (1.1m) | 14s |
| Evening (27 May) | 3.5ft (1.0m) | 13s |
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 Thu morning. Warm (max 25°C on Fri morning, min 23°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 27 | Thursday 28 | Friday 29 | Sat 30 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
NW 14 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | NE 8 | NE 8 | NNW 11 | NE 8 | NE 8 | NNW 11 | NE 8 | |
387 | 428 | 416 | 340 | 335 | 330 | 277 | 248 | 244 | 244 | 209 | 205 | 195 | 189 | 189 | 133 | 133 | 131 | 135 | 81 | 122 | 113 | 107 | 94 | |
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 | 1:24PM0.47m | 00:27AM0.19m | 1:57PM0.50m | 1:08AM0.16m | 2:29PM0.52m | 1:48AM0.14m | ||||||||||||||||||
Low Tide | 7:17PM0.11m | 5:22AM-0.04m | 8:06PM0.09m | 5:49AM-0.04m | 8:48PM0.07m | 6:17AM-0.04m | ||||||||||||||||||
 |  | |  | |  | |  |  | |  |  | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — |
 | — | — | 7:08 | — | — | — | — | — | — | — | 7:08 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | 7:09 |
1 | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 25 | 25 | 24 | 23 | 23 | 23 | 23 | 23 |
23 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 22 | 22 | 22 | 22 | 23 | 23 | 22 | 22 | 22 | 22 | 23 | 22 | |
Swell 1 Height (m) Direction Period (s) | NW 14 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | S 20 | S 20 | S 20 | S 19 | S 19 | NE 8 | S 18 | S 18 | S 17 |
 kJ | 387 | 428 | 416 | 340 | 335 | 330 | 277 | 248 | 244 | 244 | 209 | 205 | 195 | 189 | 189 | 525 | 624 | 611 | 730 | 700 | 122 | 627 | 613 | 487 |
Swell 2 Height (m) Direction Period (s) | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 21 | S 21 | S 21 | NW 11 | NW 11 | NW 11 | NNW 11 | NNW 11 | S 18 | NE 8 | NE 7 | NE 8 |
| kJ | 144 | 140 | 175 | 170 | 167 | 121 | 117 | 110 | 105 | 141 | 103 | 102 | 332 | 445 | 436 | 133 | 133 | 130 | 109 | 81 | 649 | 113 | 107 | 94 |
Swell 3 Height (m) Direction Period (s) | SE 6 | SE 5 | SE 5 | N 12 | NNE 12 | N 11 | NNE 12 | NNE 12 | NNE 12 | NNE 12 | N 11 | SSW 22 | S 12 | S 12 | S 12 | N 10 | N 10 | S 11 | S 11 | NNE 10 | S 13 | NNW 11 | NNW 11 | NNW 10 |
| kJ | 5 | 4 | 3 | 26 | 30 | 22 | 46 | 47 | 47 | 30 | 35 | 158 | 100 | 68 | 66 | 51 | 73 | 61 | 63 | 31 | 125 | 76 | 99 | 94 |
Wind waves Height (m) Direction Period (s) | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 6 | NE 6 | NE 6 | ENE 7 | NE 7 | NE 8 | NE 7 | NE 7 | NE 8 | NE 8 | NE 7 | E 7 | E 7 | E 6 | E 7 |
| kJ | 97 | 97 | 123 | 105 | 91 | 99 | 86 | 77 | 85 | 79 | 85 | 80 | 78 | 67 | 116 | 65 | 86 | 131 | 135 | 73 | 94 | 89 | 63 | 76 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 6 | 14 | 16 | 6 | 14 | 6 | 6 | 14 | 14 | 14 | 16 | 6 | 6 | 6 | 6 | 6 | 6 | 14 | 6 | 6 | 6 | 6 | 6 | 6 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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