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Little Wanganui Surf Forecast
/ West Coast South Island (21 surf breaks) /
Surf Forecasts:
Little Wanganui surfForecast / West Coast South Island / New Zealand
48hr Weather and Surf, issued 11 am Thursday 21 May 2026 NZSTForecast update in hr min s Forecast update imminent
Little Wanganui surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Little Wanganui sea temperature is
15.6° C
(Which is slightly warmer than usual)How big are the waves at Little Wanganui today?
The current surf forecast for Little Wanganui at 7PM is: 1.7m 8s primary swell from a North-northwest direction and 0.9m 13s secondary swell from a West-northwest direction (forecast issued at 11:00am May 21). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 5.5ft (1.7m) | 7s |
| Afternoon (21 May) | 6ft (1.8m) | 8s |
| Evening (21 May) | 6ft (1.8m) | 8s |
Table - waves today at Little Wanganui. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 4mm), mostly falling on Thu morning. Very mild (max 16°C on Fri morning, min 13°C on Thu morning). Wind will be generally light. | ||||||||||||||||||||||||
Thu 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
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 7 | NNW 8 | NNW 8 | NNW 8 | NW 8 | NW 11 | NW 11 | NW 11 | W 11 | W 10 | W 10 | WSW 10 | WSW 10 | WSW 12 | WSW 12 | WSW 12 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 19 | WSW 18 | |
289 | 372 | 402 | 372 | 439 | 664 | 399 | 357 | 394 | 410 | 392 | 402 | 441 | 569 | 514 | 437 | 735 | 613 | 522 | 522 | 440 | 413 | 627 | 1175 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross | cross | cross-off | off | off | off | off | off | glassy | glassy | glassy | glassy | glassy | glassy | glassy | cross-off | glassy | glassy | glassy | glassy | glassy | glassy | glassy | |
High Tide | 1:57PM2.88m | 2:24AM2.95m | 2:58PM2.72m | 3:26AM2.81m | 4:03PM2.60m | 4:32AM2.71m | ||||||||||||||||||
Low Tide | 7:45AM0.22m | 8:08PM0.36m | 8:45AM0.36m | 9:08PM0.50m | 9:48AM0.49m | 10:12PM0.60m | ||||||||||||||||||
 | | |  |  | | | |  | | | | | |  | |  |  | | | | |  | | |
 | 7:37 | — | — | — | — | — | — | 7:39 | — | — | — | — | — | — | — | 7:39 | — | — | — | — | — | — | — | 7:41 |
 | — | — | 5:16 | — | — | — | — | — | — | — | 5:15 | — | — | — | — | — | — | — | 5:15 | — | — | — | — | 5:15 |
1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 13 | 15 | 15 | 14 | 15 | 15 | 15 | 14 | 15 | 16 | 15 | 14 | 14 | 14 | 14 | 13 | 14 | 16 | 16 | 14 | 14 | 14 | 14 | 13 |
11 | 13 | 13 | 13 | 14 | 14 | 14 | 13 | 14 | 16 | 15 | 15 | 14 | 14 | 14 | 13 | 14 | 16 | 16 | 14 | 15 | 14 | 14 | 12 | |
Swell 1 Height (m) Direction Period (s) | WSW 12 | WNW 15 | NNW 8 | NNW 8 | NW 8 | NW 11 | NW 11 | NW 11 | W 11 | W 10 | W 10 | WSW 10 | WSW 10 | WSW 12 | WSW 12 | WSW 12 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 18 |
 kJ | 48 | 84 | 402 | 372 | 439 | 664 | 399 | 357 | 394 | 410 | 392 | 402 | 441 | 569 | 514 | 437 | 735 | 613 | 522 | 522 | 440 | 413 | 400 | 1175 |
Swell 2 Height (m) Direction Period (s) | WNW 15 | WSW 12 | WNW 13 | WNW 12 | WNW 14 | W 13 | W 12 | W 11 | NW 10 | NW 10 | NW 10 | NW 10 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | N 7 | NNW 11 | NNW 11 | WSW 19 | WSW 12 |
| kJ | 23 | 47 | 101 | 230 | 243 | 345 | 344 | 357 | 222 | 217 | 184 | 207 | 180 | 172 | 127 | 124 | 113 | 82 | 80 | 26 | 68 | 70 | 627 | 328 |
Swell 3 Height (m) Direction Period (s) | W 18 | WSW 18 | WSW 12 | WSW 18 | WSW 18 | WSW 16 | N 8 | N 7 | N 6 | N 7 | N 6 | WSW 18 | WSW 15 | — | WSW 15 | WSW 14 | — | NW 13 | NNW 12 | NNW 11 | N 7 | W 21 | NNW 12 | N 12 |
| kJ | 27 | 31 | 26 | 61 | 60 | 53 | 80 | 44 | 29 | 34 | 19 | 61 | 21 | — | 231 | 297 | — | 7 | 14 | 47 | 15 | 227 | 147 | 103 |
Wind waves Height (m) Direction Period (s) | NNW 7 | NNW 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 289 | 372 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 100 | 100 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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