Larsen Street surfForecast / West Coast South Island / New Zealand

information circle16 Day Weather and Surf, issued 12 pm Thursday 02 Apr 2026 NZDT
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
17.4° 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 Thursday (Apr 02) at 10PM. The primary swell is predicted to be 0.8m and 12s period with a secondary swell of 0.1m and 16s. 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 1.7m 14s and forecast to arrive on Sunday (Apr 05) at 9PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 7s period and expected on Tuesday (Apr 07) at 6PM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+)10PM (Thu 2nd Apr)2.5ft (0.8m) 12s
Best Surf 6AM (Sun 5th Apr)5ft (1.5m) 13s
Most Powerful 9PM (Sun 5th Apr)5.5ft (1.7m) 14s

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 8mm), mostly falling on Fri night. Very mild (max 17°C on Sat morning, min 13°C on Thu morning). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 25mm), heaviest during Tue afternoon. Very mild (max 18°C on Sun morning, min 14°C on Tue afternoon). Wind will be generally light.

Thursday
02
Friday
03
Saturday
04
Sunday
05
Monday
06
Tuesday
07
Wednesday
08
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
0
1
1
0
0
0
0
2
3
1
3
2
1
1
1
0
1
2
1
1
Swell
Height Map
Wave Height (m) & direction (?)
0.9
WSW
0.8
WSW
0.7
WSW
0.4
WSW
0.8
WSW
1
WSW
1.3
W
1.5
W
1.2
W
1.6
W
1.5
WSW
1.6
WSW
1.3
WSW
1
WSW
0.7
WSW
1.2
NNW
0.5
WSW
0.7
WSW
0.8
WSW
1.1
WSW
0.7
WSW
Period(s) (?)11111213121112121013131413131271114141313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1611431276018924051363631489272493955536115216071204207451178
Wind
(km/h)
5
E
5
W
5
ESE
10
ENE
15
NNE
15
NE
15
NE
10
NNE
15
E
10
E
10
W
5
SE
10
E
10
W
10
E
15
ENE
20
ENE
10
ENE
0
WSW
10
WSW
10
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glasscross-
on
offcross-
off
crosscrosscrosscross-
on
cross-
off
cross-
off
cross-
on
offcross-
off
cross-
on
cross-
off
cross-
off
cross-
off
cross-
off
glasscrosscross-
off
High Tide
/ height (m)
11:43AM
2.92
12:02AM
2.87
12:18PM
2.90
12:36AM
2.85
12:52PM
2.83
1:09AM
2.79
1:26PM
2.73
1:43AM
2.69
2:02PM
2.60
2:19AM
2.56
2:40PM
2.44
2:59AM
2.41
3:24PM
2.29
3:47AM
2.27
Low Tide
/ height (m)
5:55PM
0.12
6:11AM
0.17
6:29PM
0.15
6:46AM
0.21
7:03PM
0.24
7:21AM
0.30
7:37PM
0.36
7:56AM
0.42
8:13PM
0.51
8:34AM
0.57
8:52PM
0.67
9:17AM
0.73
9:37PM
0.82
Thursday
02
Friday
03
Saturday
04
Sunday
05
Monday
06
Tuesday
07
Wednesday
08
Sunrise7:48--7:50--7:52--7:52--7:54--7:54--7:56--
Sunset-7:24--7:22--7:21--7:20--7:17--7:15--7:15-
clear
clear
clear
part cloud
part cloud
light rain
light rain
rain showers
part cloud
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
heavy rain
mod rain
cloud
light rain
clear
Rain (mm)
-----422--------178-5-
Temp. °C141414141515171716181716181818161515161515
Feels °C (?)131313121314151615171516171615131314171414
  • 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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