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Nine Mile Surf Forecast
/ West Coast South Island (21 surf breaks) /
Surf Forecasts:
Nine Mile surfForecast / West Coast South Island / New Zealand
48hr Weather and Surf, issued 5 pm Saturday 23 May 2026 NZSTForecast 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
14.6° C
(Which is slightly warmer than usual)How big are the waves at Nine Mile today?
The current surf forecast for Nine Mile at 9PM is: 1.0m 12s primary swell from a West-southwest direction and 0.5m 8s secondary swell from a North-northwest direction (forecast issued at 05:00pm May 23). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 May) | - | - |
| Afternoon (23 May) | 3.5ft (1.1m) | 13s |
| Evening (23 May) | 3.5ft (1.0m) | 12s |
Table - waves today at Nine Mile. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 15°C on Sun afternoon, min 11°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 23 | Sunday 24 | Monday 25 | Tue 26 | |||||||||||||||||||||
3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 19 | WSW 18 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | |
424 | 345 | 323 | 313 | 583 | 1447 | 1611 | 1428 | 1180 | 1165 | 948 | 752 | 752 | 613 | 485 | 372 | 367 | 303 | 277 | 198 | 192 | 150 | 111 | 111 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | glassy | glassy | glassy | glassy | glassy | off | glassy | on | glassy | glassy | cross-off | cross-off | cross-off | cross-off | glassy | cross-on | glassy | glassy | glassy | glassy | cross-off | cross-off | cross | |
High Tide | 4:29PM2.34m | 4:55AM2.43m | 5:35PM2.30m | 5:59AM2.38m | 6:36PM2.30m | 6:58AM2.36m | ||||||||||||||||||
Low Tide | 10:36PM0.57m | 11:16AM0.50m | 11:41PM0.61m | 12:17PM0.53m | 00:42AM0.61m | |||||||||||||||||||
 |  |  | | | |  | | | | | | | | | | |  | | | | | | | |
 | — | — | — | — | — | 7:47 | — | — | — | — | — | — | — | 7:48 | — | — | — | — | — | — | — | 7:48 | — | — |
 | 5:15 | — | — | — | — | — | — | — | 5:15 | — | — | — | — | — | — | — | 5:15 | — | — | — | — | — | — | 5:14 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 15 | 13 | 13 | 12 | 12 | 12 | 12 | 14 | 14 | 12 | 11 | 11 | 11 | 11 | 11 | 13 |
13 | 14 | 13 | 13 | 12 | 12 | 12 | 14 | 14 | 12 | 12 | 11 | 11 | 11 | 11 | 13 | 13 | 12 | 10 | 10 | 10 | 10 | 9 | 12 | |
Swell 1 Height (m) Direction Period (s) | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 18 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 |
 kJ | 424 | 345 | 323 | 313 | 313 | 1447 | 1611 | 1428 | 1180 | 1165 | 948 | 752 | 752 | 613 | 485 | 372 | 367 | 303 | 277 | 198 | 192 | 150 | 111 | 111 |
Swell 2 Height (m) Direction Period (s) | NNW 9 | NNW 9 | NNW 8 | W 20 | WSW 19 | NNW 12 | NNW 12 | N 12 | N 12 | N 11 | NNW 11 | NNW 10 | NNW 10 | NNW 9 | NNW 9 | NNW 9 | N 9 | N 9 | N 9 | N 8 | N 8 | W 4 | W 4 | W 4 |
| kJ | 90 | 61 | 38 | 279 | 583 | 109 | 111 | 103 | 67 | 63 | 39 | 34 | 31 | 16 | 16 | 16 | 14 | 14 | 14 | 6 | 5 | 2 | 2 | 3 |
Swell 3 Height (m) Direction Period (s) | NNW 14 | NNW 12 | NNW 11 | N 8 | NNW 12 | — | — | — | — | — | — | — | — | NNW 13 | NNW 13 | N 13 | N 13 | N 13 | N 13 | N 13 | N 13 | N 8 | N 7 | N 7 |
| kJ | 18 | 30 | 51 | 30 | 78 | — | — | — | — | — | — | — | — | 17 | 17 | 13 | 13 | 3 | 3 | 3 | 4 | 5 | 4 | 4 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 36 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 36 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 36 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
Best forecast wave conditions in West Coast South Island | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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