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Surf Forecasts:
Avalanche surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 am Tuesday 14 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 2PM is: 0.6m 11s primary swell from a Northwest direction (forecast issued at 07:00am April 14). An open ocean swell of 0.7m 13s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Apr) | 2.5ft (0.8m) | 10s |
| Afternoon (14 Apr) | 2ft (0.6m) | 11s |
| Evening (14 Apr) | 2ft (0.6m) | 9s |
Table - waves today at Avalanche. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 14 | Wednesday 15 | Thursday 16 | Fri 17 | |||||||||||||||||||||
| 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 | 11 PM | 2 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 10 | 11 | 11 | 9 | 9 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 136 | 136 | 136 | 101 | 77 | 79 | 84 | 94 | 134 | 122 | 117 | 96 | 96 | 77 | 76 | 67 | 62 | 47 | 45 | 44 | 35 | 34 | 32 | 31 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- off | glass | glass | glass | cross- on | cross | cross- off | cross- off | cross- off | off | glass | glass | glass | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 1:31PM 0.34 | 1:19AM 0.34 | 2:08PM 0.41 | 1:56AM 0.30 | 2:47PM 0.47 | |||||||||||||||||||
Low Tide / height (m) | 6:10AM -0.04 | 6:23PM 0.02 | 6:32AM -0.06 | 7:19PM 0.02 | 6:57AM -0.08 | 8:15PM 0.01 | ||||||||||||||||||
Tuesday 14 | Wednesday 15 | Thursday 16 | Fri 17 | |||||||||||||||||||||
| Sunrise | - | 6:13 | - | - | - | - | - | - | - | 6:13 | - | - | - | - | - | - | - | 6:11 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:51 | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:52 | - | - | - |
 |  |  |  | |  | | | | | | | | | | |  | | | | | | | | |
Rain (mm) | - | - | - | 1 | 3 | 2 | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 24 | 24 | 25 | 25 | 25 | 24 | 23 | 23 | 23 | 23 | 25 | 25 | 24 | 24 | 23 | 23 | 23 | 23 | 24 | 25 | 24 | 23 | 23 | 22 |
| Feels °C (?) | 27 | 27 | 28 | 29 | 28 | 26 | 24 | 25 | 25 | 25 | 28 | 29 | 28 | 27 | 26 | 26 | 25 | 25 | 27 | 28 | 26 | 24 | 25 | 23 |
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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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