Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Nine Mile surfForecast / West Coast South Island / New Zealand
48hr Weather and Surf, issued 6 am Friday 19 Dec 2025 NZDTForecast update in hr min s Forecast update imminent
Nine Mile surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Nine Mile sea temperature is
17.5° C
(Which is 1.9°C warmer than normal for this time of year)How big are the waves at Nine Mile today?
The current surf forecast for Nine Mile at 11AM is: 1.1m 11s primary swell from a West direction and 0.2m 12s secondary swell from a North-northwest direction (forecast issued at 06:00am December 19). The wind direction is predicted to be cross-onshore.
| Time (NZDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Dec) | 4ft (1.2m) | 11s |
| Afternoon (19 Dec) | 5ft (1.6m) | 7s |
| Evening (19 Dec) | 7ft (2.2m) | 8s |
Table - waves today at Nine Mile. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 19 | Saturday 20 | Sunday 21 | Mon 22 | |||||||||||||||||||||
| 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 | 10 PM | 1 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 11 | 11 | 7 | 7 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 11 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 403 | 338 | 344 | 217 | 236 | 470 | 627 | 715 | 783 | 800 | 854 | 846 | 766 | 726 | 635 | 646 | 549 | 403 | 302 | 212 | 142 | 121 | 90 | 88 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- on | cross | cross- on | on | cross- on | cross- on | cross- on | cross- on | on | on | on | on | on | cross- on | cross- on | cross- on | cross- on | on | on | on | on | glass | glass |
High Tide / height (m) | 11:10AM 2.49 | 11:32PM 2.47 | 11:48AM 2.54 | 12:11AM 2.50 | 12:26PM 2.58 | 12:49AM 2.51 | ||||||||||||||||||
Low Tide / height (m) | 5:00AM 0.54 | 5:23PM 0.47 | 5:40AM 0.49 | 6:03PM 0.42 | 6:18AM 0.46 | 6:41PM 0.39 | ||||||||||||||||||
Friday 19 | Saturday 20 | Sunday 21 | Mon 22 | |||||||||||||||||||||
| Sunrise | - | 5:52 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:54 | - | - | - | - | - | - |
| Sunset | - | - | - | - | - | 9:08 | - | - | - | - | - | - | - | 9:09 | - | - | - | - | - | - | - | 9:10 | - | - |
 |  |  |  | | |  | | | | | | | |  | | |  | |  | |  |  |  | |
Rain (mm) | 1 | 1 | 2 | 6 | 10 | 1 | - | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 2 | 2 | 1 | - | - | - | - | - | - | - |
| Temp. °C | 14 | 14 | 15 | 15 | 15 | 14 | 12 | 11 | 11 | 12 | 12 | 13 | 13 | 12 | 12 | 12 | 11 | 12 | 13 | 14 | 14 | 14 | 12 | 10 |
| Feels °C (?) | 12 | 13 | 12 | 11 | 11 | 8 | 7 | 7 | 6 | 7 | 6 | 7 | 8 | 7 | 8 | 8 | 7 | 9 | 10 | 10 | 11 | 11 | 11 | 8 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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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 Nine Mile 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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