Larsen Street Surf Break

Lat Long: 41.75° S 171.49° E

Larsen Street Surf Forecast and Surf Report

Issued: 5 pm 01 Aug 2026 (local time)

Forecast update in  hr  min

Today's Larsen Street sea temperature is
13.2° C
0.4° 

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 1 Aug 2026:

  • Best quality surf: Monday 3 Aug, 3AM (local time) - 4.5ft (1.4m), 19s period, WSW swell with cross-offshore winds.
  • Most powerful swell: Monday 3 Aug, 3PM (local time) - 10ft (3.0m), 17s period, WSW swell with 5,411 kJ wave energy.
  • Next surfable swell (1★+): Saturday 1 Aug, 9PM (local time) - 5ft (1.5m), 10s 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 Saturday (Aug 01) at 9PM. The primary swell is predicted to be 1.5m and 10s period with a secondary swell of 0.2m and 20s. 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 3.0m 17s and forecast to arrive on Monday (Aug 03) at 3PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 7s period and expected on Friday (Aug 07) at 9AM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Sat 1st Aug)5ft (1.5m) 10s
Best Surf 3AM (Mon 3rd Aug)4.5ft (1.4m) 19s
Most Powerful 3PM (Mon 3rd Aug)10ft (3.0m) 17s

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


Short Range Forecast

Light rain (total 6mm), mostly falling on Sun night. Very mild (max 12°C on Sun night, min 7°C on Sat night). Winds decreasing (strong winds from the SW on Mon night, calm by Tue morning).

Days 5-7 Weather Summary

Light rain (total 4mm), mostly falling on Wed morning. Very mild (max 11°C on Tue afternoon, min 7°C on Wed morning). Wind will be generally light.

Sat
1
Sunday
2
Monday
3
Tuesday
4
Wednesday
5
Thursday
6
Friday
7
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
2
2
1
3
1
0
1
4
3
2
1
2
1
1
0
0
0
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)
1.8
W
11
1.4
WSW
10
1
W
9
0.4
WSW
21
1.2
WSW
19
1.7
WSW
18
3
WSW
17
2.5
WSW
10
2.1
WSW
10
2.1
WSW
14
1.6
WSW
14
1.2
WSW
13
0.9
WSW
13
0.7
WSW
12
0.6
WSW
13
0.5
WSW
12
0.7
NW
8
0.8
NW
8
1.6
NNW
8
1.2
NNW
8
Wave Graph
Metric surfscale
Energy kJ
750
418
158
143
990
1814
5411
1310
817
1773
893
454
289
123
137
83
70
77
323
183
Wind (km/h)
10
WSW
10
SSE
5
ESE
10
SW
10
S
35
SW
35
SW
30
SW
10
SSE
5
W
15
ESE
15
E
10
E
10
E
10
E
5
N
15
NE
15
E
10
E
15
E
Wind State
cross
cross-off
cross-off
cross
cross-off
cross
cross
cross
off
cross-on
cross-off
cross-off
cross-off
cross-off
cross-off
cross-on
cross
cross-off
cross-off
cross-off
High Tide
00:32AM2.83m
12:53PM2.71m
1:08AM2.80m
1:30PM2.67m
1:47AM2.74m
2:12PM2.61m
2:31AM2.66m
2:59PM2.54m
3:22AM2.55m
3:55PM2.46m
4:26AM2.46m
5:03PM2.41m
Low Tide
6:23PM0.29m
6:46AM0.23m
6:59PM0.30m
7:23AM0.25m
7:38PM0.35m
8:04AM0.32m
8:21PM0.43m
8:49AM0.41m
9:11PM0.52m
9:42AM0.52m
10:11PM0.60m
10:46AM0.61m
11:21PM0.64m
clear
part cloud
clear
part cloud
rain showers
rain showers
rain showers
rain showers
clear
clear
clear
light rain
rain showers
part cloud
part cloud
part cloud
part cloud
light rain
mod rain
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:41
7:41
7:39
7:37
7:37
7:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:37
5:37
5:38
5:39
5:40
5:42
5:43
 mm
1
2
2
1
2
1
1
6
Temp °C
9
8
9
10
12
12
12
11
10
11
10
7
9
9
9
10
10
8
8
10
Feels °C
5
3
7
7
5
5
4
2
8
8
5
2
6
6
6
8
7
3
5
6
  • 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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