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Larsen Street Surf Forecast
/ West Coast South Island (21 surf breaks) /
Surf Forecasts:
Larsen Street surfForecast / West Coast South Island / New Zealand
48hr Weather and Surf, issued 11 pm Wednesday 20 May 2026 NZSTForecast update in hr min s Forecast update imminent
Larsen Street surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Larsen Street sea temperature is
14.9° C
(Which is normal for this time of year)How big are the waves at Larsen Street today?
The current surf forecast for Larsen Street at 6AM is: 1.6m 7s primary swell from a Northwest direction and 0.5m 12s secondary swell from a West direction (forecast issued at 11:00pm May 20). The wind direction is predicted to be cross-shore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 6ft (1.8m) | 8s |
| Afternoon (21 May) | 6ft (1.9m) | 8s |
| Evening (21 May) | 7ft (2.2m) | 11s |
Table - waves today at Larsen Street. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 32mm), heaviest during Thu night. Very mild (max 16°C on Thu afternoon, min 12°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | ||||||||||||||||||||||
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 |  |    |    |    | ||||||||||||||||||||
WSW 13 | W 12 | W 12 | NW 7 | NW 8 | NNW 8 | NNW 8 | NNW 9 | NW 11 | NW 11 | NW 11 | NNW 11 | NNW 10 | W 10 | W 10 | WSW 10 | WSW 11 | WSW 12 | WSW 11 | WSW 12 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | |
170 | 110 | 106 | 254 | 368 | 488 | 512 | 577 | 1213 | 1151 | 862 | 674 | 480 | 452 | 459 | 492 | 582 | 694 | 463 | 437 | 703 | 604 | 604 | 514 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross | cross | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross | cross-off | glassy | glassy | glassy | cross | cross-off | |
High Tide | 1:36AM2.90m | 2:10PM2.69m | 2:35AM2.76m | 3:11PM2.55m | 3:38AM2.63m | 4:17PM2.44m | ||||||||||||||||||
Low Tide | 7:23PM0.24m | 7:57AM0.20m | 8:20PM0.37m | 8:57AM0.34m | 9:20PM0.49m | 10:00AM0.45m | ||||||||||||||||||
 |  | | |  | |  |  | | |  | | | | | | | | | |  | | | | |
 | — | — | — | 7:41 | — | — | — | — | — | — | — | 7:41 | — | — | — | — | — | — | — | 7:43 | — | — | — | — |
 | — | — | — | — | — | — | 5:19 | — | — | — | — | — | — | — | 5:17 | — | — | — | — | — | — | — | 5:16 | — |
— | — | — | — | 1 | 2 | 2 | 3 | 5 | 2 | — | — | 4 | 5 | 3 | 4 | 1 | — | — | — | — | — | — | — | |
Temp °C | 12 | 13 | 13 | 14 | 15 | 15 | 16 | 16 | 14 | 15 | 16 | 16 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 15 | 15 | 14 |
8 | 9 | 9 | 10 | 10 | 11 | 13 | 14 | 12 | 13 | 14 | 14 | 13 | 12 | 14 | 14 | 15 | 14 | 15 | 14 | 14 | 16 | 13 | 14 | |
Swell 1 Height (m) Direction Period (s) | WSW 13 | W 12 | NNW 6 | NW 7 | WNW 15 | WNW 14 | WNW 12 | NNW 9 | NW 11 | NW 11 | NW 11 | NNW 11 | NNW 10 | W 10 | W 10 | WSW 10 | WSW 11 | WSW 12 | WSW 11 | WSW 12 | WSW 13 | WSW 13 | WSW 13 | WSW 13 |
 kJ | 170 | 110 | 94 | 254 | 88 | 166 | 320 | 577 | 1213 | 1151 | 862 | 674 | 480 | 452 | 459 | 492 | 582 | 694 | 463 | 437 | 703 | 604 | 604 | 514 |
Swell 2 Height (m) Direction Period (s) | W 19 | NNW 6 | W 12 | W 12 | WSW 12 | WSW 12 | WSW 11 | WNW 12 | WNW 14 | W 12 | W 12 | W 11 | W 11 | NNW 10 | NNW 10 | NW 10 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 11 |
| kJ | 7 | 20 | 106 | 73 | 47 | 46 | 25 | 384 | 192 | 309 | 347 | 418 | 432 | 419 | 363 | 269 | 248 | 199 | 180 | 151 | 140 | 113 | 103 | 153 |
Swell 3 Height (m) Direction Period (s) | — | WSW 19 | WSW 19 | WNW 16 | WSW 18 | WSW 18 | WSW 18 | WSW 18 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | N 6 | — | — | WSW 14 | WSW 14 | — | — | — | W 23 |
| kJ | — | 34 | 35 | 25 | 32 | 31 | 31 | 61 | 59 | 51 | 51 | 51 | 51 | 52 | 51 | 17 | — | — | 366 | 285 | — | — | — | 11 |
Wind waves Height (m) Direction Period (s) | N 4 | — | — | — | NW 8 | NNW 8 | NNW 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 4 | — | — | — | 368 | 488 | 512 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 13 | 0 | 13 | 13 | 53 | 155 | 148 | 53 | 4 | 0 | 0 | 0 | 0 | 0 | 4 | 43 | 0 | 4 | 0 | 0 | 0 | 0 | 9 | 0 |
Best forecast wave conditions in West Coast South Island | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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