Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
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Surf Forecasts:
Nine Mile surfForecast / West Coast South Island / New Zealand
48hr Weather and Surf, issued 6 pm Sunday 28 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
16.5° C
(Which is normal for this time of year)How big are the waves at Nine Mile today?
The current surf forecast for Nine Mile at 9PM is: 1.3m 11s primary swell from a West direction and 0.2m 16s secondary swell from a West-southwest direction (forecast issued at 06:00pm December 28). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (NZDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Dec) | - | - |
| Afternoon (28 Dec) | 4.5ft (1.4m) | 11s |
| Evening (28 Dec) | 4.5ft (1.3m) | 11s |
Table - waves today at Nine Mile. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 31 | |||||||||||||||||||||
| 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 | 4 AM | 7 AM | 10 AM | 1 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 8 | 9 | 9 | 9 | 9 | 19 | 18 | 12 | 11 | 11 | 10 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 501 | 426 | 410 | 345 | 191 | 141 | 106 | 77 | 72 | 66 | 64 | 59 | 41 | 42 | 64 | 64 | 61 | 62 | 98 | 156 | 263 | 249 | 231 | 224 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | glass | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | off | off | off | off |
High Tide / height (m) | 5:39PM 2.41 | 6:17AM 2.33 | 6:45PM 2.41 | 7:22AM 2.39 | 7:53PM 2.47 | 8:27AM 2.49 | ||||||||||||||||||
Low Tide / height (m) | 12:00AM 0.49 | 12:28PM 0.57 | 1:04AM 0.49 | 1:35PM 0.51 | 2:10AM 0.45 | |||||||||||||||||||
Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 31 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:58 | - | - | - | - | - | - | - | 5:58 | - | - | - | - | - | - | - | 6:00 | - | - |
| Sunset | - | 9:13 | - | - | - | - | - | - | - | 9:14 | - | - | - | - | - | - | - | 9:14 | - | - | - | - | - | - |
 | |  | | | | | | | |  | |  | |  | |  | |  | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | 2 | - | 1 | 3 | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 16 | 14 | 12 | 12 | 11 | 18 | 23 | 24 | 20 | 16 | 14 | 14 | 14 | 14 | 13 | 13 | 14 | 12 | 11 | 12 | 13 | 16 | 16 |
| Feels °C (?) | 15 | 15 | 13 | 9 | 9 | 8 | 16 | 20 | 20 | 13 | 8 | 7 | 7 | 8 | 9 | 10 | 6 | 7 | 6 | 5 | 7 | 9 | 13 | 15 |
- 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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