Larsen Street surfForecast / West Coast South Island / New Zealand

information circle16 Day Weather and Surf, issued 11 pm Tuesday 05 May 2026 NZST
Forecast 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
16.0° C
(Which is slightly warmer than usual)

Best Forecast Surf Conditions for Larsen Street this week:

The surf forecast for Larsen Street over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (May 06) at 6AM. The primary swell is predicted to be 0.5m and 13s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Larsen Street in the next 16 days are 5.0m 11s and forecast to arrive on Saturday (May 09) at 3AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 4.0m 9s period and expected on Friday (May 08) at 12PM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Wed 6th May)1.5ft (0.5m) 13s
Best Surf 6AM (Mon 11th May)13ft (4.0m) 12s
Most Powerful 3AM (Sat 9th May)16ft (5.0m) 11s

Table - best surf conditions forecast for Larsen Street over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 136mm), heaviest during Thu night. Very mild (max 17°C on Wed night, min 10°C on Tue night). Winds increasing (light winds from the ENE on Tue night, gales from the NNE by Fri afternoon).

Days 5-7 Weather Summary

Heavy rain (total 23mm), heaviest during Sat morning. Very mild (max 16°C on Fri night, min 10°C on Mon morning). Winds decreasing (near gales from the NNW on Fri night, light winds from the SSW by Mon afternoon).

Wednesday
6
Thursday
7
Friday
8
Saturday
9
Sunday
10
Monday
11
Tue
12
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
1
1
0
0
0
0
0
0
0
0
0
3
3
3
1
0
5
4
4
3
3
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
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<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
0.6
WSW
13
0.4
WSW
16
0.5
WSW
15
0.6
WSW
15
0.7
WSW
14
3
NNW
9
2.5
NNW
9
3
NNW
9
4.5
NNW
10
5
NW
11
4.5
WNW
11
3.5
W
12
1.9
WSW
11
2.5
WSW
14
3
W
13
2.5
W
12
4
WSW
12
3
W
13
1.5
WSW
14
2
WSW
14
1.7
WSW
13
Wave Graph
Metric surfscale
Energy kJ
137
94
135
176
183
1428
1157
1312
4002
5306
5126
3441
862
2577
2928
1854
4546
3102
886
1421
1074
Wind (km/h)
10
ENE
15
E
15
NE
15
ENE
40
NNE
35
N
30
N
45
NNE
65
NNE
50
NNW
30
W
20
SW
20
SSW
20
SSW
25
SW
50
SW
15
ESE
5
SSW
10
E
20
ENE
0
WSW
cross-off
cross-off
cross
cross-off
cross
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross
cross-off
cross-off
cross
cross
cross-off
cross-off
cross-off
cross-off
glassy
High Tide
00:57AM2.56m
1:19PM2.44m
1:38AM2.45m
2:03PM2.32m
2:25AM2.35m
2:53PM2.23m
3:19AM2.27m
3:53PM2.17m
4:19AM2.25m
4:57PM2.18m
5:22AM2.30m
6:00PM2.26m
6:22AM2.41m
Low Tide
7:13AM0.58m
7:30PM0.66m
7:56AM0.68m
8:15PM0.76m
8:45AM0.77m
9:06PM0.83m
9:41AM0.81m
10:04PM0.86m
10:42AM0.79m
11:06PM0.83m
11:43AM0.70m
00:06AM0.74m
12:40PM0.56m
part cloud
part cloud
part cloud
rain showers
heavy rain
heavy rain
heavy rain
heavy rain
heavy rain
rain showers
rain showers
rain showers
part cloud
part cloud
rain showers
rain showers
clear
clear
rain showers
rain showers
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:26
7:26
7:28
7:30
7:31
7:31
7:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:34
5:31
5:30
5:30
5:29
5:28
5:27
1
21
23
42
21
28
11
6
3
2
1
2
1
Temp °C
14
16
16
17
17
16
17
17
17
16
14
13
12
13
15
13
12
13
11
10
12
10
13
13
14
11
11
13
10
6
7
8
9
7
10
10
3
8
10
7
6
11
Swell 1
Height (m)
Direction
Period (s)
0.6
WSW
13
0.4
WSW
16
0.6
N
6
0.7
N
6
0.7
WSW
14
0.7
WSW
14
0.7
WSW
14
0.7
WSW
14
0.6
WSW
13
0.4
WSW
19
0.8
WSW
16
3.5
W
12
1.9
WSW
11
2.5
WSW
14
3
W
13
2.5
W
12
4
WSW
12
3
W
13
1.7
W
10
2
WSW
14
1.7
WSW
13
Energy kJ
137
94
24
31
183
180
175
175
141
119
363
3441
862
2577
2928
1854
4546
3102
552
1421
1074
Swell 2
Height (m)
Direction
Period (s)
0.1
N
12
0.3
WSW
12
0.5
WSW
15
0.6
WSW
15
0.4
WNW
9
0.3
WNW
11
0.3
WNW
10
0.3
WSW
18
2.4
NW
11
1.6
NW
11
1.1
NW
9
1.5
WSW
14
0.1
N
12
0.1
N
12
Energy kJ
3
28
135
176
28
25
18
64
1419
538
183
886
3
3
Swell 3
Height (m)
Direction
Period (s)
0.3
NNW
6
0.1
N
10
0.1
W
22
0.2
W
9
1.4
WSW
14
Energy kJ
8
2
9
6
752
Wind waves
Height (m)
Direction
Period (s)
0.2
NNE
6
0.3
ENE
2
1.9
NNW
7
3
NNW
9
2.5
NNW
9
3
NNW
9
4.5
NNW
10
5
NW
11
4.5
WNW
11
3
WSW
10
0.5
N
5
0.4
NNE
4
Energy kJ
4
1
332
1428
1157
1312
4002
5306
5126
1405
11
7
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
2
3
1
1
1
1
1
1
1
4
4
4
2
5
4
4
4
3
Distance (km)
0
0
13
13
53
259
190
190
259
197
198
148
9
33
61
509
0
0
0
13
0
Best forecast wave conditions in West Coast South Island
Rating
(10 max)
1
1
1
2
3
4
4
5
4
5
5
4
4
4
Best forecast wave conditions in New Zealand
Rating
(10 max)
4
2
4
2
3
3
3
3
2
4
4
4
4
5
4
3
5
5
4
4
4
Header Global
Rating
(10 max)
5
5
5
7
5
6
5
6
8
7
6
5
6
4
4
5
5
5
6
9
7
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Larsen Street Surf forecast

The above surf forecast table for Larsen Street provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Larsen Street can be found by selecting the local surf guide option on the grey menu. Our Larsen Street surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Larsen Street) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Larsen Street may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Are you planning a holiday in West Coast South Island? If you are looking for accommodation near Larsen Street, camping, hotels and holiday cottages in West Coast South Island, consider staying in Nelson which is 157 km (98 miles) away.

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