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Surf Forecasts:
Avalanche surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 am Friday 10 Apr 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
24.1° C
(Which is normal for this time of year)How big are the waves at Avalanche today?
The current surf forecast for Avalanche at 4AM is: 0.6m 11s primary swell from a Northwest direction and 0.6m 8s secondary swell from a West-southwest direction (forecast issued at 01:00am April 10). An open ocean swell of 0.7m 16s is not directed at the surf break, a second open ocean swell of 2.0m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Apr) | 4ft (1.2m) | 9s |
| Afternoon (10 Apr) | 1.5ft (0.4m) | 10s |
| Evening (10 Apr) | 4.5ft (1.4m) | 7s |
Table - waves today at Avalanche. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 10 | Saturday 11 | Sunday 12 | ||||||||||||||||||||||
| 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 | 11 AM | 2 PM | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 11 | 8 | 9 | 10 | 7 | 7 | 7 | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 12 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 94 | 94 | 73 | 211 | 170 | 35 | 215 | 163 | 149 | 248 | 396 | 506 | 471 | 441 | 416 | 355 | 309 | 268 | 235 | 235 | 181 | 184 | 480 | 463 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | glass | glass | glass | cross | cross- off | glass | cross- on | cross | cross- off | cross- off | cross- off | glass | cross- on | glass | glass | cross- off | off |
High Tide / height (m) | 9:41PM 0.36 | 10:59AM 0.10 | 10:39PM 0.37 | 11:43AM 0.15 | 11:26PM 0.38 | 12:20PM 0.20 | ||||||||||||||||||
Low Tide / height (m) | 4:48AM 0.03 | 1:51PM 0.07 | 5:10AM 0.01 | 3:20PM 0.06 | 5:30AM -0.01 | 4:28PM 0.05 | ||||||||||||||||||
Friday 10 | Saturday 11 | Sunday 12 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:16 | - | - | - | - | - | - | - | 6:16 | - | - | - | - | - | - | - | 6:15 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:50 | - | - | - | - | - | - | - | 6:50 | - | - | - | - | - | - | - | 6:50 | - |
 | | |  |  |  |  |  |  |  | |  | | | | | | |  | | | | | | |
Rain (mm) | 3 | 5 | 1 | 3 | 4 | 6 | 2 | 1 | - | - | - | - | - | 1 | 1 | - | - | - | 2 | 8 | 9 | 4 | 4 | 2 |
| Temp. °C | 23 | 23 | 23 | 22 | 23 | 23 | 24 | 23 | 22 | 22 | 22 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 21 | 20 |
| Feels °C (?) | 22 | 22 | 21 | 20 | 21 | 21 | 23 | 26 | 26 | 26 | 25 | 26 | 27 | 26 | 26 | 25 | 25 | 25 | 27 | 24 | 26 | 25 | 23 | 21 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Avalanche surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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