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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 11 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 4AM is: 1.5m 12s primary swell from a West direction (forecast issued at 11:00pm May 11). An open ocean swell of 0.5m 5s is not directed at the surf break. The wind direction is predicted to be glassy and the swell rating is 3.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 May) | 4.5ft (1.4m) | 12s |
| Afternoon (12 May) | 3ft (0.9m) | 12s |
| Evening (12 May) | 5ft (1.5m) | 9s |
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 Wed afternoon, min 10°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 12 | Wednesday 13 | Thursday 14 | ||||||||||||||||||||||
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 | 3 PM | 6 PM | |
Swell Height Map |  |    |    |    | ||||||||||||||||||||
W 13 | W 13 | W 12 | W 12 | W 12 | W 12 | WSW 12 | W 8 | W 9 | W 10 | WSW 10 | WSW 10 | WSW 10 | W 10 | WSW 19 | WSW 19 | WSW 18 | WSW 18 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | |
1070 | 941 | 797 | 690 | 593 | 584 | 263 | 257 | 332 | 423 | 523 | 523 | 335 | 307 | 391 | 371 | 322 | 540 | 867 | 653 | 636 | 527 | 494 | 376 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross | cross-on | cross | glassy | glassy | glassy | off | off | off | off | off | glassy | glassy | glassy | cross-off | off | off | cross-off | cross-off | cross-on | cross-on | cross | |
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 | 2:33PM0.24m | ||||||||||||||||||
 | | |  |  |  | |  | | | | | | | | | | | | | | | | | |
 | — | — | — | 7:35 | — | — | — | — | — | — | — | 7:35 | — | — | — | — | — | — | — | 7:37 | — | — | — | — |
 | — | — | — | — | — | — | 5:25 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:23 | — |
1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 12 | 12 | 12 | 11 | 11 | 12 | 13 | 11 | 10 | 10 | 10 | 10 | 10 | 13 | 14 | 12 | 12 | 11 | 11 | 10 | 11 | 13 | 13 | 11 |
9 | 9 | 11 | 9 | 9 | 10 | 11 | 10 | 8 | 7 | 7 | 7 | 7 | 12 | 12 | 11 | 10 | 9 | 9 | 7 | 8 | 11 | 11 | 9 | |
Swell 1 Height (m) Direction Period (s) | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 | W 8 | W 8 | W 9 | W 10 | WSW 10 | WSW 10 | WSW 10 | W 10 | W 10 | W 10 | W 10 | WSW 10 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 15 |
 kJ | 1070 | 941 | 797 | 690 | 593 | 584 | 173 | 257 | 332 | 423 | 523 | 523 | 335 | 290 | 231 | 245 | 204 | 167 | 867 | 653 | 636 | 527 | 494 | 376 |
Swell 2 Height (m) Direction Period (s) | — | — | N 5 | N 4 | N 4 | N 4 | WSW 12 | WSW 12 | WSW 13 | WSW 14 | WSW 24 | WSW 22 | WSW 14 | WSW 13 | WSW 19 | WSW 19 | WSW 18 | WSW 18 | W 22 | — | — | — | — | — |
| kJ | — | — | 11 | 6 | 1 | 1 | 263 | 217 | 135 | 147 | 184 | 161 | 107 | 141 | 391 | 371 | 322 | 540 | 9 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | N 12 | N 12 | N 12 | N 12 | N 12 | W 26 | W 25 | N 11 | N 11 | W 21 | WSW 20 | WSW 13 | WSW 13 | WSW 13 | — | — | — | — | — | — | — |
| kJ | — | — | — | 3 | 3 | 3 | 3 | 3 | 13 | 50 | 2 | 2 | 233 | 307 | 137 | 101 | 99 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | N 5 | N 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 18 | 18 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 4 | 12 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 36 | 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)
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Ocean Swells (m)- Wind Speed (km/h)
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