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Surf Forecasts:
Avalanche surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 am Saturday 28 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: 1.2m 9s primary swell from a North-northeast direction and 0.9m 11s secondary swell from a Northwest direction (forecast issued at 01:00am March 28). An open ocean swell of 0.6m 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 (28 Mar) | 4ft (1.2m) | 9s |
| Afternoon (28 Mar) | 5ft (1.6m) | 7s |
| Evening (28 Mar) | 5ft (1.5m) | 7s |
Table - waves today at Avalanche. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 28 | Sunday 29 | Monday 30 | ||||||||||||||||||||||
| 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) (?) | 12 | 12 | 12 | 9 | 11 | 7 | 7 | 7 | 7 | 7 | 8 | 9 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 324 | 282 | 228 | 222 | 216 | 227 | 227 | 227 | 200 | 210 | 273 | 498 | 1089 | 1302 | 1477 | 1456 | 1562 | 1488 | 1641 | 1538 | 1413 | 1444 | 1420 | 1491 |
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- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 12:00AM 0.45 | 12:41PM 0.20 | 12:44AM 0.43 | 1:21PM 0.25 | 1:21AM 0.41 | 1:58PM 0.31 | ||||||||||||||||||
Low Tide / height (m) | 6:04AM -0.02 | 4:54PM 0.01 | 6:29AM -0.03 | 5:51PM 0.00 | 6:52AM -0.04 | 6:42PM 0.01 | ||||||||||||||||||
Saturday 28 | Sunday 29 | Monday 30 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:28 | - | - | - | - | - | - | - | 6:28 | - | - | - | - | - | - | - | 6:26 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:45 | - | - | - | - | - | - | - | 6:45 | - | - | - | - | - | - | - | 6:45 | - |
 |  | |  |  | | |  | | | | |  | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 21 | 22 | 22 | 22 | 21 |
| Feels °C (?) | 18 | 19 | 19 | 18 | 17 | 17 | 17 | 16 | 17 | 17 | 15 | 15 | 16 | 16 | 16 | 17 | 15 | 16 | 16 | 17 | 18 | 17 | 17 | 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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