Larsen Street surfForecast / West Coast South Island / New Zealand

information circle12 Day Weather and Surf, issued 12 pm Sunday 25 Jan 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
18.0° 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 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Jan 25) at 10PM. The primary swell is predicted to be 3.0m and 11s period with a secondary swell of 0.1m and 21s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Larsen Street in the next 12 days are 3.5m 11s and forecast to arrive on Sunday (Jan 25) at 7PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 14s period and expected on Sunday (Feb 01) at 4PM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+)10PM (Sun 25th Jan)10ft (3.0m) 11s
Best Surf10PM (Sun 25th Jan)10ft (3.0m) 11s
Most Powerful 7PM (Sun 25th Jan)11ft (3.5m) 11s

Table - best surf conditions forecast for Larsen Street over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 15mm), heaviest on Sun morning. Very mild (max 18°C on Tue afternoon, min 14°C on Sun night). Winds decreasing (fresh winds from the WSW on Sun morning, calm by Mon night).

Days 3-6 Weather Summary Some drizzle, heaviest during Wed morning. Very mild (max 18°C on Thu afternoon, min 13°C on Fri night). Wind will be generally light.

Sunday
25
Monday
26
Tuesday
27
Wednesday
28
Thursday
29
Friday
30
Saturday
31
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
0
4
2
0
3
3
3
0
0
0
1
2
0
0
1
0
2
1
0
1
Swell
Height Map
Wave Height (m) & direction (?)
3
W
3.5
W
3
W
2.4
W
2.2
W
1.9
W
1.7
WSW
0.9
WSW
0.5
WSW
0.5
WSW
0.6
WSW
0.4
WSW
0.5
W
0.5
W
0.5
W
0.9
WSW
0.9
WSW
1.1
WSW
1.2
WSW
1.2
WSW
1.1
WSW
Period(s) (?)121110109891515141120181616111111121111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2868299816391115828505484339123111102128162135132170180265368331260
Wind
(km/h)
30
WSW
30
WSW
5
ESE
10
NE
20
W
10
E
5
NNE
5
N
15
NNE
10
WSW
20
WSW
10
SW
5
WSW
20
WSW
15
S
5
WSW
20
SW
15
SSW
10
SW
25
SW
10
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
on
cross-
off
crosscross-
on
cross-
off
glassglasscross-
on
cross-
on
crosscross-
off
glasscrosscross-
off
cross-
on
crosscross-
off
crosscrosscross-
off
High Tide
/ height (m)
3:59PM
2.66
4:30AM
2.52
4:56PM
2.55
5:31AM
2.45
6:04PM
2.46
6:43AM
2.42
7:22PM
2.44
7:59AM
2.47
8:38PM
2.51
9:09AM
2.61
9:44PM
2.63
10:10AM
2.78
10:41PM
2.77
Low Tide
/ height (m)
10:19PM
0.40
10:43AM
0.52
11:17PM
0.52
11:47AM
0.60
12:24AM
0.61
1:01PM
0.62
1:39AM
0.62
2:17PM
0.56
2:50AM
0.54
3:26PM
0.41
3:53AM
0.40
4:26PM
0.25
Sunday
25
Monday
26
Tuesday
27
Wednesday
28
Thursday
29
Friday
30
Saturday
31
Sunrise6:28--6:28--6:31--6:31--6:33--6:35--6:35--
Sunset-9:01--9:01--9:00--9:00--8:59--8:58--8:57-
rain showers
rain showers
clear
rain showers
rain showers
rain showers
part cloud
rain showers
rain showers
rain showers
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
22-122-241-----------
Temp. °C161616171717171817171717171816171716161615
Feels °C (?)111115171418161816161415181514151414121112
  • 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 12 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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