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Aligator Rock surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 am Saturday 21 Feb 2026 HSTForecast update in hr min s Forecast update imminent
Aligator Rock surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Aligator Rock sea temperature is
24.5° C
(Which is slightly warmer than usual)How big are the waves at Aligator Rock today?
The current surf forecast for Aligator Rock at 4AM is: 0.4m 12s primary swell from a North-northeast direction and 0.4m 13s secondary swell from a Northeast direction (forecast issued at 01:00am February 21). An open ocean swell of 2.5m 9s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Feb) | 1.5ft (0.4m) | 14s |
| Afternoon (21 Feb) | 1.5ft (0.4m) | 13s |
| Evening (21 Feb) | 3.5ft (1.1m) | 8s |
Table - waves today at Aligator Rock. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 21 | Sunday 22 | Monday 23 | ||||||||||||||||||||||
| 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 | 13 | 11 | 14 | 11 | 13 | 13 | 8 | 8 | 8 | 8 | 12 | 8 | 7 | 8 | 8 | 7 | 8 | 18 | 18 | 16 | 16 | 15 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 123 | 65 | 69 | 71 | 101 | 61 | 84 | 167 | 125 | 142 | 171 | 36 | 113 | 70 | 116 | 88 | 78 | 113 | 163 | 408 | 797 | 1348 | 1685 | 2157 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | cross- off | cross- off | off | off | cross- off | cross- off | glass | glass | glass | cross- on | cross- on | cross- on | cross- on | cross | glass | glass | glass | cross- off | off | off | off |
High Tide / height (m) | 5:08AM 0.28 | 6:42PM 0.37 | 5:40AM 0.21 | 7:53PM 0.40 | 6:17AM 0.15 | |||||||||||||||||||
Low Tide / height (m) | 10:37PM 0.08 | 10:33AM -0.05 | 12:02AM 0.12 | 11:08AM -0.04 | 2:13AM 0.13 | 11:53AM -0.03 | ||||||||||||||||||
Saturday 21 | Sunday 22 | Monday 23 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:58 | - | - | - | - | - | - | - | 6:58 | - | - | - | - | - | - | - | 6:56 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:31 | - | - | - | - | - | - | - | 6:32 | - | - | - | - | - | - | - | 6:32 | - |
 |  | |  | | | | |  |  | |  | | | | | | | | | | | | | |
Rain (mm) | 3 | 5 | 3 | 3 | 1 | 3 | 5 | 2 | - | - | - | - | - | - | - | 1 | 1 | - | - | - | - | 1 | 2 | 1 |
| Temp. °C | 21 | 21 | 21 | 21 | 22 | 23 | 22 | 21 | 21 | 21 | 21 | 21 | 23 | 24 | 23 | 22 | 21 | 21 | 21 | 21 | 23 | 22 | 22 | 21 |
| Feels °C (?) | 20 | 21 | 21 | 21 | 22 | 24 | 23 | 22 | 22 | 22 | 23 | 23 | 24 | 24 | 23 | 23 | 22 | 23 | 23 | 23 | 24 | 22 | 23 | 21 |
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Aligator Rock 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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