- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Shark Alley surfForecast / Great Barrier Island / New Zealand
48hr Weather and Surf, issued 11 pm Sunday 19 Apr 2026 NZSTForecast 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
20.0° C
(Which is 1.2°C warmer than normal for this time of year)How big are the waves at Shark Alley today?
The current surf forecast for Shark Alley at 4AM is: 1.8m 8s primary swell from a North direction and 0.1m 10s secondary swell from a East direction, 0.1m 15s secondary swell from a North direction (forecast issued at 11:00pm April 19). The wind direction is predicted to be cross-shore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Apr) | 6ft (1.9m) | 8s |
| Afternoon (20 Apr) | 6ft (1.8m) | 8s |
| Evening (20 Apr) | 6ft (1.9m) | 7s |
Table - waves today at Shark Alley. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 20 | Tuesday 21 | Wednesday 22 | ||||||||||||||||||||||
| 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 7 | 8 | 8 | 7 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 8 | 7 | 7 | 7 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 397 | 358 | 320 | 422 | 408 | 332 | 358 | 272 | 375 | 242 | 118 | 156 | 80 | 124 | 67 | 48 | 84 | 82 | 108 | 114 | 114 | 149 | 116 | 114 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross- on | cross | cross | cross | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross | off | off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross |
High Tide / height (m) | 8:55PM 2.38 | 9:17AM 2.33 | 9:45PM 2.39 | 10:09AM 2.30 | 10:37PM 2.36 | 11:03AM 2.24 | ||||||||||||||||||
Low Tide / height (m) | 2:53AM 0.38 | 3:16PM 0.29 | 3:44AM 0.40 | 4:07PM 0.32 | 4:40AM 0.46 | 5:00PM 0.38 | ||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 6:46 | - | - | - | - | - | - | - | 6:47 | - | - | - | - | - | - | - | 6:48 | - | - | - |
| Sunset | - | - | - | - | - | - | 5:45 | - | - | - | - | - | - | - | 5:45 | - | - | - | - | - | - | - | 5:44 | - |
 | |  | |  |  | | | |  | | | |  | | | |  | | | |  | | | |
Rain (mm) | - | - | 1 | 4 | - | 1 | 2 | 5 | 1 | - | - | - | 1 | 2 | 1 | - | - | - | - | - | - | - | - | - |
| Temp. °C | 19 | 19 | 18 | 18 | 18 | 18 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 15 | 13 | 13 | 13 | 13 | 13 | 14 | 15 | 15 |
| Feels °C (?) | 14 | 14 | 13 | 12 | 12 | 13 | 12 | 12 | 12 | 14 | 14 | 15 | 15 | 15 | 12 | 7 | 6 | 5 | 6 | 6 | 7 | 10 | 11 | 11 |
- Map Icons:
Break
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 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.
Nearest