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Surf Forecasts:
Avalanche surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 pm Tuesday 31 Mar 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 2AM is: 1.8m 11s primary swell from a North-northeast direction (forecast issued at 07:00pm March 31). An open ocean swell of 0.3m 12s is not directed at the surf break, a second open ocean swell of 1.1m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 Apr) | 5ft (1.6m) | 11s |
| Afternoon (01 Apr) | 5.5ft (1.7m) | 10s |
| Evening (01 Apr) | 5ft (1.5m) | 9s |
Table - waves today at Avalanche. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 31 | Wednesday 01 | Thursday 02 | Friday 03 | |||||||||||||||||||||
| 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 | 11 AM | 2 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1080 | 992 | 831 | 732 | 649 | 550 | 511 | 490 | 501 | 421 | 387 | 370 | 307 | 249 | 244 | 238 | 258 | 216 | 188 | 154 | 151 | 147 | 155 | 136 |
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- 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 / height (m) | 2:34PM 0.36 | 2:24AM 0.33 | 3:08PM 0.40 | 2:52AM 0.29 | 3:42PM 0.42 | 3:19AM 0.24 | ||||||||||||||||||
Low Tide / height (m) | 7:30PM 0.02 | 7:33AM -0.05 | 8:17PM 0.03 | 7:53AM -0.05 | 9:04PM 0.05 | 8:13AM -0.05 | ||||||||||||||||||
Tuesday 31 | Wednesday 01 | Thursday 02 | Friday 03 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:24 | - | - | - | - | - | - | - | 6:24 | - | - | - | - | - | - | - | 6:22 | - | - |
| Sunset | 6:46 | - | - | - | - | - | - | - | 6:46 | - | - | - | - | - | - | - | 6:46 | - | - | - | - | - | - | - |
 |  |  | |  | |  | | | | | | | |  | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 22 | 21 | 21 | 21 | 20 | 21 | 23 | 23 | 22 | 22 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 23 | 23 |
| Feels °C (?) | 18 | 17 | 17 | 18 | 19 | 20 | 20 | 19 | 18 | 19 | 18 | 18 | 18 | 20 | 20 | 19 | 19 | 20 | 19 | 19 | 19 | 19 | 20 | 20 |
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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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