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Surf Forecasts:
Avalanche surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 am Sunday 29 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
24.5° C
(Which is normal for this time of year)How big are the waves at Avalanche today?
The current surf forecast for Avalanche at 8AM is: 1.8m 9s primary swell from a North direction and 0.7m 11s secondary swell from a North direction (forecast issued at 01:00am March 29). An open ocean swell of 0.4m 12s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Mar) | 6ft (1.8m) | 9s |
| Afternoon (29 Mar) | 8ft (2.4m) | 11s |
| Evening (29 Mar) | 8ft (2.4m) | 11s |
Table - waves today at Avalanche. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 29 | Monday 30 | Tuesday 31 | ||||||||||||||||||||||
| 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) (?) | 7 | 7 | 8 | 9 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 161 | 166 | 244 | 498 | 1089 | 1326 | 1363 | 1549 | 1562 | 1641 | 1513 | 1513 | 1413 | 1413 | 1420 | 1396 | 1372 | 1279 | 1132 | 1163 | 1046 | 1081 | 972 | 887 |
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) | 12:44AM 0.43 | 1:21PM 0.25 | 1:21AM 0.41 | 1:58PM 0.31 | 1:54AM 0.37 | 2:34PM 0.36 | ||||||||||||||||||
Low Tide / height (m) | 6:29AM -0.03 | 5:51PM 0.00 | 6:52AM -0.04 | 6:42PM 0.01 | 7:13AM -0.05 | 7:30PM 0.02 | ||||||||||||||||||
Sunday 29 | Monday 30 | Tuesday 31 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:28 | - | - | - | - | - | - | - | 6:26 | - | - | - | - | - | - | - | 6:26 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:45 | - | - | - | - | - | - | - | 6:45 | - | - | - | - | - | - | - | 6:46 | - |
 | | |  | |  |  |  |  | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 22 | 21 | 21 | 21 | 22 | 22 | 21 | 21 | 20 | 21 | 20 | 21 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 22 | 21 | 21 | 21 |
| Feels °C (?) | 18 | 17 | 17 | 16 | 17 | 17 | 16 | 17 | 15 | 17 | 16 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 16 | 16 | 17 |
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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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