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Shark Alley surfForecast / Great Barrier Island / New Zealand
48hr Weather and Surf, issued 12 am Monday 23 Feb 2026 NZDTForecast update in hr min s Forecast update imminent
Shark Alley surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Shark Alley sea temperature is
21.3° C
(Which is slightly warmer than usual)How big are the waves at Shark Alley today?
The current surf forecast for Shark Alley at 4AM is: 0.4m 8s primary swell from a East-northeast direction and 0.2m 9s secondary swell from a North-northeast direction (forecast issued at 12:00am February 23). An open ocean swell of 0.8m 4s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (NZDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Feb) | 1.5ft (0.4m) | 8s |
| Afternoon (23 Feb) | 1.5ft (0.4m) | 8s |
| Evening (23 Feb) | 1.5ft (0.4m) | 8s |
Table - waves today at Shark Alley. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 23 | Tuesday 24 | Wednesday 25 | ||||||||||||||||||||||
| 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 10 | 9 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 34 | 21 | 22 | 22 | 23 | 22 | 23 | 22 | 21 | 18 | 16 | 16 | 16 | 40 | 41 | 40 | 39 | 39 | 39 | 39 | 37 | 35 | 35 | 70 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | off | off | cross- off | cross- on | on | cross- off | off | off | cross- off | off | off | off | off | off | cross- off | cross- on | cross- on | on | on | on | on |
High Tide / height (m) | 12:11AM 2.24 | 12:35PM 2.26 | 1:00AM 2.21 | 1:26PM 2.20 | 1:53AM 2.16 | 2:21PM 2.14 | ||||||||||||||||||
Low Tide / height (m) | 6:05AM 0.57 | 6:37PM 0.50 | 7:01AM 0.63 | 7:30PM 0.53 | 8:03AM 0.69 | |||||||||||||||||||
Monday 23 | Tuesday 24 | Wednesday 25 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:56 | - | - | - | - | - | - | - | 6:56 | - | - | - | - | - | - | - | 6:58 | - | - | - | - |
| Sunset | - | - | - | - | - | - | - | 8:05 | - | - | - | - | - | - | - | 8:04 | - | - | - | - | - | - | - | 8:01 |
 | | |  | | | | | | | | |  | | | |  | | | | | |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 19 | 18 | 17 | 17 | 17 | 18 | 18 | 19 | 18 | 17 | 17 | 16 | 17 | 21 | 20 | 19 | 19 | 20 | 19 | 19 | 19 | 19 | 19 |
| Feels °C (?) | 12 | 15 | 13 | 12 | 12 | 15 | 17 | 17 | 18 | 16 | 16 | 16 | 13 | 13 | 17 | 14 | 14 | 18 | 18 | 16 | 16 | 16 | 17 | 17 |
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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 Shark Alley 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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