Larsen Street surfForecast / West Coast South Island / New Zealand

information circle16 Day Weather and Surf, issued 5 am Tuesday 28 Apr 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
15.7° C
(Which is normal for this time of year)

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 Tuesday (Apr 28) at 9PM. The primary swell is predicted to be 1.0m and 12s period with a secondary swell of 0.4m and 22s. 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 2.1m 16s and forecast to arrive on Thursday (Apr 30) at 6PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Friday (May 01) at 9PM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Tue 28th Apr)3.5ft (1.0m) 12s
Best Surf12AM (Fri 1st May)6.5ft (2.0m) 14s
Most Powerful 6PM (Thu 30th Apr)7ft (2.1m) 16s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 5mm), mostly falling on Wed afternoon. Very mild (max 15°C on Tue afternoon, min 13°C on Tue morning). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Very mild (max 14°C on Fri morning, min 9°C on Fri night). Winds increasing (light winds from the SE on Fri morning, fresh winds from the SW by Sat afternoon).

Tuesday
28
Wednesday
29
Thursday
30
Friday
1
Saturday
2
Sunday
3
Monday
4
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
0
2
2
1
2
3
2
4
3
0
3
3
0
3
2
0
2
2
0
2
Swell
Height Map
<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>
<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)
1.2
WSW
12
1.1
WSW
12
1
W
12
0.7
WSW
20
0.7
WSW
18
0.8
WSW
18
1.7
WSW
11
1.3
WSW
16
2
WSW
14
1.7
WSW
14
1.6
WSW
13
1.5
WSW
13
1.4
WSW
13
1.4
WSW
15
1.3
WSW
14
1.3
WSW
14
1.2
WSW
14
1.2
WSW
13
1.3
WSW
13
1.2
WSW
13
1.2
WSW
12
Wave Graph
Metric surfscale
Energy kJ
454
367
274
395
352
352
643
827
1548
1019
854
724
683
811
687
624
490
468
530
454
413
Wind (km/h)
5
SSE
20
SW
10
SE
5
E
10
SW
5
SE
5
ESE
10
NNW
10
S
5
SE
25
SW
15
S
10
SSE
30
SW
15
S
10
SSE
30
SW
15
SSE
10
SSE
25
SW
5
SSE
off
cross
off
glassy
cross
off
off
on
cross-off
off
cross
cross-off
cross-off
cross
cross-off
off
cross
cross-off
cross-off
cross
off
High Tide
8:42PM2.59m
8:59AM2.68m
9:22PM2.67m
9:38AM2.72m
9:58PM2.73m
10:14AM2.75m
10:33PM2.76m
10:50AM2.74m
11:07PM2.76m
11:25AM2.71m
11:42PM2.72m
12:01PM2.64m
00:18AM2.65m
Low Tide
2:28PM0.39m
2:47AM0.43m
3:10PM0.33m
3:29AM0.36m
3:48PM0.29m
4:07AM0.32m
4:25PM0.28m
4:43AM0.31m
5:00PM0.31m
5:19AM0.33m
5:35PM0.37m
5:56AM0.39m
6:11PM0.45m
clear
clear
clear
part cloud
rain showers
part cloud
rain showers
rain showers
rain showers
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:18
7:18
7:20
7:20
7:22
7:22
7:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:44
5:42
5:40
5:39
5:37
5:37
5:36
2
1
1
1
Temp °C
14
15
15
14
15
15
14
14
15
14
13
12
11
11
12
14
14
13
13
14
14
12
11
13
14
14
12
13
12
13
12
7
9
6
5
10
10
8
10
10
10
12
Swell 1
Height (m)
Direction
Period (s)
1.2
WSW
12
1.1
WSW
12
1
W
12
0.9
WSW
11
0.9
WSW
11
1.2
W
6
1.7
WSW
11
1.6
WSW
10
2
WSW
14
1.7
WSW
14
1.6
WSW
13
1.5
WSW
13
1.4
WSW
13
1.4
WSW
15
1.3
WSW
14
1.3
WSW
14
1.2
WSW
14
1.2
WSW
13
1.3
WSW
13
1.2
WSW
13
1.2
WSW
12
Energy kJ
454
367
274
198
191
115
643
577
1548
1019
854
724
683
811
687
624
490
468
530
454
413
Swell 2
Height (m)
Direction
Period (s)
0.1
W
18
0.3
WSW
16
0.5
W
22
0.7
WSW
20
0.7
WSW
18
0.7
WSW
13
0.9
WSW
17
1.3
WSW
16
0.3
N
5
0.4
W
18
0.1
N
13
0.1
N
11
0.1
N
11
0.2
N
16
0.1
N
15
0.1
N
14
0.1
N
14
0.1
N
14
0.1
N
13
0.1
N
13
0.1
N
13
Energy kJ
6
50
236
395
352
165
399
827
4
99
3
2
2
19
4
4
4
4
3
3
3
Swell 3
Height (m)
Direction
Period (s)
0.1
W
26
0.2
WSW
24
0.3
WSW
15
0.3
WSW
14
0.5
WSW
13
0.8
WSW
18
0.1
N
14
0.1
N
14
0.1
N
12
0.1
N
12
0.1
N
10
0.1
N
16
0.1
N
16
0.1
N
10
0.1
N
10
Energy kJ
13
55
42
41
102
352
4
4
3
3
2
5
5
2
2
Wind waves
Height (m)
Direction
Period (s)
0.3
SW
3
0.4
WSW
3
0.4
WSW
4
Energy kJ
1
3
6
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
3
2
3
4
4
3
2
3
3
2
3
2
1
2
2
2
2
Distance (km)
0
33
0
0
9
0
0
13
0
0
190
0
0
174
0
0
187
0
0
33
0
Best forecast wave conditions in West Coast South Island
Rating
(10 max)
3
2
3
3
3
3
4
4
4
4
2
3
3
3
3
3
3
2
2
Best forecast wave conditions in New Zealand
Rating
(10 max)
3
3
3
3
3
3
7
5
4
4
4
5
3
4
4
3
1
3
3
4
4
Header Global
Rating
(10 max)
5
5
5
9
7
5
7
5
4
6
7
5
5
5
4
4
4
4
4
5
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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