Larsen Street Surf Break

Lat Long: 41.75° S 171.49° E

Larsen Street Surf Forecast and Surf Report

Issued: 11 am 26 Jul 2026 (local time)

Forecast update in  hr  min

Today's Larsen Street sea temperature is
13.5° C
0.5° 

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 26 Jul 2026:

  • Best quality surf: Friday 31 Jul, 9PM (local time) - 11ft (3.5m), 14s period, W swell with cross-offshore winds.
  • Most powerful swell: Friday 31 Jul, 12PM (local time) - 16ft (5.0m), 15s period, WNW swell with 11,137 kJ wave energy.
  • Next surfable swell (1★+): Sunday 26 Jul, 9PM (local time) - 6ft (1.9m), 13s period with W 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 Sunday (Jul 26) at 9PM. The primary swell is predicted to be 1.9m 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 15s and forecast to arrive on Friday (Jul 31) at 12PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.9m 7s period and expected on Thursday (Jul 30) at 6PM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Sun 26th Jul)6ft (1.9m) 13s
Best Surf 9PM (Fri 31st Jul)11ft (3.5m) 14s
Most Powerful12PM (Fri 31st Jul)16ft (5.0m) 15s

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


Short Range Forecast

Mostly dry. Very mild (max 11°C on Mon afternoon, min 7°C on Sun morning). Wind will be generally light.

Days 4-6 Weather Summary

Heavy rain (total 49mm), heaviest during Thu night. Very mild (max 13°C on Thu afternoon, min 8°C on Fri night). Winds increasing (light winds from the NE on Wed afternoon, strong winds from the N by Thu afternoon).

Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
31
Saturday
1
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
4
3
4
3
1
2
2
2
2
2
2
3
1
0
2
0
0
5
3
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.5
W
14
2
W
14
2
W
13
1.9
W
12
1.7
W
12
1.4
W
11
1.2
W
11
1.2
W
11
1.3
W
10
0.9
WSW
14
1.6
WSW
14
1.5
W
14
1.6
W
13
1.8
WNW
8
3
NW
9
4
NW
10
5
WNW
14
3.5
W
14
2.5
WSW
12
2.2
WSW
12
1.8
WSW
11
Wave Graph
Metric surfscale
Energy kJ
2522
1553
1346
1036
792
476
332
326
374
366
972
836
901
392
1532
3357
8532
4254
1725
1230
786
Wind (km/h)
10
SE
5
WSW
10
SE
5
SE
20
SW
5
SE
5
E
5
WSW
10
E
10
ENE
10
NNE
15
ENE
20
NE
40
NNE
15
WNW
20
WNW
30
N
15
SE
25
SE
35
SE
25
SSE
Wind State
off
cross-on
off
glassy
cross
off
cross-off
glassy
cross-off
cross-off
cross
cross-off
cross
cross
on
cross-on
cross-on
off
off
off
off
High Tide
8:42PM2.37m
9:07AM2.37m
9:28PM2.49m
9:50AM2.48m
10:08PM2.60m
10:29AM2.58m
10:46PM2.71m
11:06AM2.65m
11:22PM2.78m
11:41AM2.70m
11:57PM2.82m
12:17PM2.72m
00:32AM2.83m
Low Tide
2:28PM0.78m
2:57AM0.71m
3:16PM0.67m
3:41AM0.59m
3:58PM0.56m
4:22AM0.47m
4:36PM0.45m
4:59AM0.36m
5:12PM0.36m
5:35AM0.28m
5:48PM0.31m
6:10AM0.24m
6:23PM0.29m
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
cloud
part cloud
rain showers
rain showers
mod rain
heavy rain
light rain
mod rain
light rain
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:48
7:48
7:47
7:46
7:45
7:43
7:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:31
5:32
5:34
5:35
5:35
5:36
5:37
 mm
1
2
7
27
5
6
1
Temp °C
10
10
8
10
11
9
10
11
10
11
12
11
12
13
12
11
11
9
10
10
7
Feels °C
8
7
4
7
6
5
8
10
8
8
10
8
8
6
9
6
4
4
2
1
0
  • 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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