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Surf Forecasts:
Avalanche surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 pm Sunday 12 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
24.0° C
(Which is normal for this time of year)How big are the waves at Avalanche today?
The current surf forecast for Avalanche at 6PM is: 1.4m 11s primary swell from a Northwest direction (forecast issued at 01:00pm April 12). An open ocean swell of 0.6m 14s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Apr) | 3.5ft (1.1m) | 10s |
| Afternoon (12 Apr) | 4.5ft (1.4m) | 12s |
| Evening (12 Apr) | 4.5ft (1.4m) | 11s |
Table - waves today at Avalanche. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | |||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 9 | 11 | 11 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 208 | 522 | 463 | 431 | 476 | 423 | 375 | 375 | 308 | 270 | 180 | 180 | 231 | 167 | 115 | 115 | 94 | 103 | 77 | 59 | 52 | 76 | 112 | 100 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | on | on | glass | cross- off | glass | glass | off | off | cross- off | cross- off | cross- off | glass | cross | cross | cross- off | cross- off | glass | glass | glass | cross- off | glass | cross- off | off |
High Tide / height (m) | 12:20PM 0.20 | 12:06AM 0.38 | 12:55PM 0.27 | 12:43AM 0.37 | 1:31PM 0.34 | 1:19AM 0.34 | ||||||||||||||||||
Low Tide / height (m) | 4:28PM 0.05 | 5:49AM -0.02 | 5:27PM 0.03 | 6:10AM -0.04 | 6:23PM 0.02 | 6:32AM -0.06 | ||||||||||||||||||
Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:13 | - | - | - | - | - | - | - | 6:13 | - | - | - | - | - | - | - | 6:13 |
| Sunset | - | - | 6:50 | - | - | - | - | - | - | - | 6:51 | - | - | - | - | - | - | - | 6:51 | - | - | - | - | - |
 | |  |  | |  | | | |  | | | |  | | | | | | | | | | | |
Rain (mm) | 5 | 5 | 7 | 8 | 7 | 4 | 6 | 7 | 2 | - | - | 1 | 1 | - | - | 1 | - | - | - | 1 | 1 | - | - | - |
| Temp. °C | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 21 | 21 | 23 | 23 | 22 | 22 | 23 | 22 | 22 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 23 |
| Feels °C (?) | 24 | 24 | 23 | 23 | 22 | 23 | 23 | 23 | 23 | 25 | 25 | 24 | 26 | 26 | 24 | 25 | 26 | 25 | 26 | 26 | 25 | 25 | 23 | 25 |
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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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