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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 am Sunday 31 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
14.4° C
(Which is slightly warmer than usual)How big are the waves at Nine Mile today (31 May):
- Morning surf: Morning surf (31 May, local time) - 8ft (2.5m), 10s period with NNW swell.
- Afternoon surf: Afternoon surf (31 May, local time) - 11ft (3.5m), 11s period with NNW swell.
- Evening surf: Evening surf (31 May, local time) - 10ft (3.0m), 10s period with NNW swell.
The current surf forecast for Nine Mile at 7PM is: 3.5m 11s primary swell from a North-northwest direction and 0.3m 13s secondary swell from a West-southwest direction (forecast issued at 11:00am May 31). The wind direction is predicted to be cross-offshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | 8ft (2.5m) | 10s |
| Afternoon (31 May) | 11ft (3.5m) | 11s |
| Evening (31 May) | 10ft (3.0m) | 10s |
Table - waves today at Nine Mile. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 105mm), heaviest during Mon afternoon. Very mild (max 16°C on Sun night, min 11°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Sun 31 | Monday 1 | Tuesday 2 | Wed 3 | |||||||||||||||||||||
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 | 9 PM | 12 AM | 3 AM | 6 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NNW 10 | NNW 10 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NW 8 | WNW 9 | W 8 | W 7 | W 7 | NNW 10 | W 12 | |
1314 | 2062 | 2595 | 2393 | 1851 | 1775 | 1434 | 1299 | 1273 | 1288 | 1422 | 1597 | 1514 | 1469 | 1010 | 778 | 692 | 75 | 493 | 494 | 310 | 178 | 128 | 413 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | on | on | on | glassy | glassy | off | |
High Tide | 10:38AM2.49m | 10:54PM2.55m | 11:16AM2.50m | 11:32PM2.55m | 11:54AM2.47m | 00:10AM2.52m | ||||||||||||||||||
Low Tide | 4:46PM0.47m | 5:08AM0.42m | 5:24PM0.48m | 5:47AM0.43m | 6:03PM0.50m | |||||||||||||||||||
 |  | |  | |  | | | | |  |  | | | |  | | | | | |  | |  | |
 | 7:52 | — | — | — | — | — | — | 7:52 | — | — | — | — | — | — | — | 7:54 | — | — | — | — | — | — | — | 7:54 |
 | — | — | 5:10 | — | — | — | — | — | — | — | 5:10 | — | — | — | — | — | — | — | 5:09 | — | — | — | — | 5:09 |
1 | 6 | 10 | 2 | 5 | 6 | 8 | 3 | 4 | 5 | 14 | 17 | 9 | 1 | 1 | 2 | 1 | 2 | 2 | 3 | 2 | — | 1 | — | |
Temp °C | 12 | 13 | 14 | 15 | 15 | 16 | 15 | 15 | 15 | 15 | 16 | 16 | 15 | 15 | 14 | 14 | 13 | 14 | 14 | 13 | 13 | 13 | 12 | 11 |
8 | 9 | 10 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 14 | 12 | 12 | 15 | 12 | 11 | 9 | 11 | 11 | 10 | 11 | 12 | 11 | 9 | |
Swell 1 Height (m) Direction Period (s) | NNW 10 | NNW 10 | NNW 11 | NNW 11 | WSW 12 | WSW 12 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | WNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | N 10 | NNW 10 | W 8 | W 7 | W 7 | W 6 | W 12 |
 kJ | 1314 | 2062 | 2595 | 2393 | 31 | 30 | 1434 | 1299 | 1273 | 1288 | 33 | 1597 | 1514 | 1469 | 1010 | 778 | 692 | 509 | 342 | 494 | 310 | 178 | 62 | 413 |
Swell 2 Height (m) Direction Period (s) | WSW 12 | WSW 13 | WSW 13 | WSW 13 | — | — | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | W 10 | W 9 | W 9 | W 9 | W 8 | W 8 | NW 8 | — | N 10 | N 10 | NNW 10 | NNW 10 | NNW 10 |
| kJ | 30 | 31 | 32 | 32 | — | — | 29 | 50 | 49 | 46 | 46 | 49 | 42 | 41 | 39 | 35 | 35 | 75 | — | 235 | 184 | 157 | 128 | 128 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | W 11 | WNW 11 | — | WSW 12 | WSW 12 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | W 9 | — | W 15 | WSW 14 | W 13 | W 10 | W 18 |
| kJ | — | — | — | — | — | — | — | — | 9 | 40 | — | 46 | 45 | 42 | 41 | 40 | 41 | 57 | — | 38 | 65 | 92 | 96 | 6 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | NNW 10 | NNW 10 | — | — | — | — | NNW 10 | — | — | — | — | — | — | — | WNW 9 | — | — | — | — | — |
| kJ | — | — | — | — | 1851 | 1775 | — | — | — | — | 1422 | — | — | — | — | — | — | — | 493 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 12 | 124 | 124 | 124 | 157 | 124 | 124 | 124 | 124 | 12 | 124 | 124 | 155 | 0 | 12 | 155 | 155 | 155 | 173 | 73 | 36 | 0 | 0 | 0 |
Best forecast wave conditions in West Coast South Island | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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