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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 Monday 11 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
15.4° C
(Which is slightly warmer than usual)How big are the waves at Nine Mile today?
The current surf forecast for Nine Mile at 10PM is: 1.7m 13s primary swell from a West direction and 0.8m 5s secondary swell from a North direction (forecast issued at 05:00pm May 11). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | - | - |
| Afternoon (11 May) | 7ft (2.1m) | 13s |
| Evening (11 May) | 6ft (1.8m) | 13s |
Table - waves today at Nine Mile. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 3mm), mostly falling on Mon night. Very mild (max 14°C on Mon afternoon, min 10°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 11 | Tuesday 12 | Wednesday 13 | Thu 14 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
W 13 | W 13 | W 13 | W 13 | W 12 | W 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | W 8 | W 10 | W 10 | WSW 10 | WSW 10 | W 10 | WSW 19 | WSW 19 | WSW 18 | WSW 18 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | |
1407 | 1318 | 1070 | 835 | 797 | 690 | 608 | 519 | 213 | 210 | 245 | 361 | 432 | 386 | 328 | 311 | 391 | 371 | 322 | 540 | 907 | 653 | 636 | 527 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross-off | cross-off | cross-off | cross-off | glassy | cross-on | cross-on | cross-on | glassy | off | off | off | off | off | glassy | glassy | glassy | cross-off | cross-off | off | cross-off | cross-off | cross-on | |
High Tide | 6:11PM2.18m | 6:32AM2.31m | 7:07PM2.31m | 7:27AM2.46m | 7:59PM2.48m | 8:18AM2.63m | ||||||||||||||||||
Low Tide | 00:17AM0.72m | 12:50PM0.54m | 1:13AM0.58m | 1:43PM0.39m | 2:05AM0.41m | |||||||||||||||||||
 |  |  |  | | | |  | |  | | | | | | | | | | | | | | | |
 | — | — | — | — | — | 7:35 | — | — | — | — | — | — | — | 7:35 | — | — | — | — | — | — | — | 7:37 | — | — |
 | 5:27 | — | — | — | — | — | — | — | 5:25 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | 5:23 |
— | — | 1 | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 14 | 12 | 12 | 12 | 11 | 12 | 11 | 13 | 13 | 11 | 11 | 10 | 10 | 10 | 10 | 13 | 14 | 12 | 12 | 11 | 11 | 10 | 10 | 13 |
12 | 9 | 9 | 9 | 9 | 11 | 9 | 11 | 11 | 10 | 9 | 7 | 8 | 7 | 7 | 12 | 12 | 11 | 11 | 9 | 9 | 7 | 7 | 11 | |
Swell 1 Height (m) Direction Period (s) | W 13 | W 13 | W 13 | W 13 | W 12 | W 12 | WSW 12 | WSW 12 | W 8 | W 8 | W 8 | W 10 | W 10 | WSW 10 | WSW 10 | W 10 | W 10 | W 10 | W 10 | WSW 10 | WSW 17 | WSW 16 | WSW 16 | WSW 16 |
 kJ | 1407 | 1318 | 1070 | 835 | 797 | 690 | 608 | 519 | 153 | 177 | 245 | 361 | 432 | 386 | 328 | 290 | 231 | 192 | 192 | 173 | 907 | 653 | 636 | 527 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | N 5 | N 5 | N 4 | N 4 | WSW 12 | WSW 12 | WSW 12 | WSW 13 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 19 | WSW 19 | WSW 18 | WSW 18 | W 22 | — | — | — |
| kJ | — | — | — | — | 17 | 10 | 3 | 1 | 213 | 210 | 175 | 141 | 110 | 108 | 141 | 141 | 391 | 371 | 322 | 540 | 9 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | N 12 | N 12 | N 12 | — | N 12 | W 26 | W 25 | WSW 24 | WSW 22 | W 21 | WSW 20 | WSW 13 | WSW 13 | WSW 13 | — | — | — | — | — |
| kJ | — | — | — | — | — | 3 | 3 | 3 | — | 3 | 13 | 50 | 184 | 161 | 233 | 311 | 139 | 139 | 96 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | N 5 | N 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 31 | 33 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 5 | 36 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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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