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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 5 am Thursday 21 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 1PM is: 2.1m 8s primary swell from a North-northwest direction and 0.7m 14s secondary swell from a West-northwest direction, 0.4m 12s secondary swell from a West-southwest direction (forecast issued at 05:00am May 21). The wind direction is predicted to be cross-onshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 6ft (1.9m) | 8s |
| Afternoon (21 May) | 7ft (2.1m) | 8s |
| Evening (21 May) | 7ft (2.2m) | 12s |
Table - waves today at Larsen Street. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 17mm), heaviest on Thu morning. Very mild (max 16°C on Thu night, min 14°C on Fri morning). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
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 | 9 PM | 12 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
W 12 | NNW 7 | NNW 8 | NNW 8 | NNW 8 | NNW 9 | NW 12 | NW 11 | NW 11 | NNW 10 | W 11 | W 10 | W 10 | W 10 | WSW 11 | WSW 12 | WSW 12 | WSW 11 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | |
106 | 282 | 414 | 572 | 587 | 644 | 1301 | 1103 | 862 | 562 | 496 | 514 | 459 | 477 | 572 | 658 | 609 | 401 | 732 | 604 | 604 | 514 | 490 | 459 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | cross-off | cross | cross | cross-off | glassy | glassy | |
High Tide | 1:36AM2.90m | 2:10PM2.69m | 2:35AM2.76m | 3:11PM2.55m | 3:38AM2.63m | 4:17PM2.44m | ||||||||||||||||||
Low Tide | 7:57AM0.20m | 8:20PM0.37m | 8:57AM0.34m | 9:20PM0.49m | 10:00AM0.45m | 10:24PM0.58m | ||||||||||||||||||
 |  |  | | |  | |  | | |  |  | | | | | | |  | | |  | | | |
 | — | 7:41 | — | — | — | — | — | — | — | 7:41 | — | — | — | — | — | — | — | 7:43 | — | — | — | — | — | 7:43 |
 | — | — | — | — | 5:19 | — | — | — | — | — | — | — | 5:17 | — | — | — | — | — | — | — | 5:16 | — | — | 5:15 |
— | 1 | 2 | 2 | 2 | 2 | 1 | — | — | — | — | 2 | 2 | 2 | 1 | 1 | — | — | — | — | — | — | — | — | |
Temp °C | 13 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 14 | 14 | 14 | 15 | 14 | 14 | 14 | 14 | 15 | 15 | 14 | 14 | 14 |
9 | 10 | 10 | 10 | 12 | 12 | 12 | 13 | 14 | 14 | 15 | 13 | 12 | 13 | 14 | 13 | 14 | 14 | 14 | 13 | 12 | 12 | 14 | 14 | |
Swell 1 Height (m) Direction Period (s) | NNW 6 | NNW 7 | WSW 12 | WNW 14 | NNW 8 | NNW 9 | NW 12 | NW 11 | NW 11 | NNW 10 | W 11 | W 10 | W 10 | W 10 | WSW 11 | WSW 12 | WSW 12 | WSW 11 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 |
 kJ | 80 | 282 | 47 | 168 | 587 | 644 | 1301 | 1103 | 862 | 562 | 496 | 514 | 459 | 477 | 572 | 658 | 609 | 401 | 732 | 604 | 604 | 514 | 490 | 459 |
Swell 2 Height (m) Direction Period (s) | W 12 | W 12 | WNW 15 | WSW 12 | WNW 12 | WNW 12 | WNW 14 | W 12 | W 12 | W 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | N 9 | NNW 11 | NNW 11 |
| kJ | 106 | 73 | 89 | 46 | 304 | 443 | 192 | 309 | 341 | 411 | 427 | 371 | 339 | 284 | 212 | 207 | 154 | 154 | 143 | 116 | 106 | 74 | 69 | 123 |
Swell 3 Height (m) Direction Period (s) | WSW 19 | WNW 16 | WSW 18 | WSW 18 | WSW 11 | WSW 18 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | W 18 | — | — | WSW 15 | WSW 14 | NW 14 | NW 14 | NNW 12 | NNW 11 | N 8 | WSW 20 |
| kJ | 35 | 25 | 32 | 31 | 25 | 61 | 59 | 51 | 51 | 51 | 51 | 52 | 51 | 25 | — | — | 231 | 351 | 7 | 7 | 15 | 48 | 29 | 320 |
Wind waves Height (m) Direction Period (s) | — | — | NNW 8 | NNW 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 414 | 572 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 13 | 13 | 53 | 155 | 155 | 53 | 53 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 9 | 9 | 0 | 0 |
Best forecast wave conditions in West Coast South Island | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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