Larsen Street Surf Break

Lat Long: 41.75° S 171.49° E

Issued: 11 am 29 Jun 2026 (local time)

Forecast update in  hr  min

Today's Larsen Street sea temperature is
14.3° C

Slightly warmer than usual

Larsen Street surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Larsen Street surf forecast from 29 Jun 2026:

  • Best quality surf: Monday 6 Jul, 3AM (local time) - 15ft (4.5m), 15s period, W swell with offshore winds.
  • Most powerful swell: Monday 6 Jul, 12PM (local time) - 15ft (4.5m), 16s period, W swell with 9,520 kJ wave energy.
  • Next surfable swell (1★+): Monday 29 Jun, 6PM (local time) - 4.5ft (1.3m), 13s period with WSW swell.

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 Monday (Jun 29) at 6PM. The primary swell is predicted to be 1.3m and 13s period with a secondary swell of 0.3m and 17s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Larsen Street in the next 16 days are 4.5m 16s and forecast to arrive on Monday (Jul 06) at 12PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.0m 10s period and expected on Monday (Jul 06) at 12AM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Mon 29th Jun)4.5ft (1.3m) 13s
Best Surf 3AM (Mon 6th Jul)15ft (4.5m) 15s
Most Powerful12PM (Mon 6th Jul)15ft (4.5m) 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

Moderate rain (total 13mm), heaviest on Tue afternoon. Very mild (max 13°C on Wed night, min 9°C on Tue morning). Wind will be generally light.

Days 4-6 Weather Summary

Heavy rain (total 65mm), heaviest during Sat afternoon. Very mild (max 15°C on Sat night, min 10°C on Thu night). Winds increasing (calm on Thu morning, strong winds from the N by Sat afternoon).

Monday
29
Tuesday
30
Wednesday
1
Thursday
2
Friday
3
Saturday
4
Sunday
5
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
3
1
2
2
2
2
1
0
1
1
1
1
1
0
0
0
0
1
0
3
6
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.4
WSW
13
1.4
WSW
13
1.3
WSW
13
1.2
WSW
14
1.1
WSW
14
1
WSW
13
0.9
WSW
13
0.8
WSW
13
0.7
WSW
12
0.5
WSW
13
0.5
WSW
13
0.7
W
12
0.8
W
11
0.9
WNW
10
1.2
WNW
9
3
NW
10
4
NW
11
4
NNW
10
4
NNW
10
3
WNW
14
4
W
16
Wave Graph
Metric surfscale
Energy kJ
653
643
563
542
421
372
246
198
133
92
95
146
160
142
202
1426
3592
2666
3641
3805
7685
Wind (km/h)
10
E
5
N
10
E
10
ENE
10
ENE
10
ENE
5
SE
15
SW
5
SE
5
E
5
WSW
10
ENE
15
ENE
20
NE
30
NNE
45
NNE
50
N
20
NNE
30
W
15
N
10
SE
Wind State
cross-off
cross-on
cross-off
cross-off
cross-off
cross-off
off
cross
off
cross-off
glassy
cross-off
cross-off
cross
cross-on
cross
cross-on
cross-on
cross-on
cross-on
off
High Tide
10:08AM2.51m
10:27PM2.60m
10:48AM2.56m
11:06PM2.65m
11:27AM2.59m
11:44PM2.68m
12:05PM2.59m
00:21AM2.69m
12:42PM2.58m
00:59AM2.67m
1:20PM2.55m
1:37AM2.64m
2:00PM2.51m
2:17AM2.60m
Low Tide
4:17PM0.55m
4:41AM0.49m
4:57PM0.50m
5:20AM0.44m
5:35PM0.46m
5:59AM0.41m
6:12PM0.44m
6:36AM0.40m
6:50PM0.45m
7:14AM0.40m
7:28PM0.47m
7:53AM0.42m
8:08PM0.50m
clear
rain showers
light rain
light rain
rain showers
part cloud
clear
clear
clear
part cloud
part cloud
rain showers
clear
part cloud
rain showers
heavy rain
heavy rain
rain showers
rain showers
rain showers
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
8:02
8:02
8:02
8:02
8:00
8:00
8:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:12
5:13
5:13
5:14
5:14
5:15
5:15
 mm
1
5
3
4
1
8
19
28
9
1
5
5
Temp °C
12
12
11
10
11
11
12
12
13
11
11
11
12
12
14
13
14
15
12
11
9
Feels °C
8
10
10
8
9
9
10
8
10
9
9
9
9
8
7
5
5
13
5
7
6
Swell 1
Height (m)
Direction
Period (s)
1.4
WSW
13
1.4
WSW
13
1.3
WSW
13
1.2
WSW
14
1.1
WSW
14
1
WSW
13
0.9
WSW
13
0.8
WSW
13
0.7
WSW
12
0.5
WSW
13
0.5
WSW
13
0.7
W
12
0.8
W
11
0.9
WNW
10
1.2
WNW
9
3
NW
10
0.4
W
21
0.9
WSW
18
1.5
W
12
3
WNW
14
4
W
16
Energy kJ
653
643
563
542
421
372
246
198
133
92
95
146
160
142
202
1426
133
540
690
3805
7685
Swell 2
Height (m)
Direction
Period (s)
0.3
WSW
18
0.4
NW
4
0.1
W
18
0.3
NW
4
0.4
NW
4
0.3
WSW
14
0.3
WSW
13
0.2
WSW
17
0.3
WSW
16
0.9
W
16
0.1
W
24
2
N
10
Energy kJ
64
4
6
3
7
39
35
28
50
438
11
783
Swell 3
Height (m)
Direction
Period (s)
0.2
WSW
18
0.1
SW
16
0.1
W
18
0.1
W
23
Energy kJ
31
11
6
10
Wind waves
Height (m)
Direction
Period (s)
1.8
NNE
7
4
NW
11
4
NNW
10
4
NNW
10
2.5
NNW
10
Energy kJ
278
3592
2666
3641
1393
Nearest Offshore or Glassy
Rating
(10 max)
3
3
2
2
2
2
1
1
1
1
1
1
1
1
1
2
1
4
4
5
6
Distance (km)
0
4
0
0
0
0
0
9
0
0
0
0
0
13
53
187
187
80
146
43
0
Best forecast wave conditions in West Coast South Island
Rating
(10 max)
3
3
3
3
2
2
2
1
1
1
1
1
1
1
1
4
5
9
Best forecast wave conditions in New Zealand
Rating
(10 max)
4
4
3
4
4
4
4
4
4
4
3
3
3
2
2
2
2
4
4
5
9
Header Global
Rating
(10 max)
7
5
5
5
5
5
5
5
4
5
7
5
9
5
6
6
7
9
7
5
9
  • 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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