Larsen Street surfForecast / West Coast South Island / New Zealand

information circle12 Day Weather and Surf, issued 6 am Sunday 09 Nov 2025 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
14.9° 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 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Nov 09) at 7PM. The primary swell is predicted to be 1.5m and 13s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Larsen Street in the next 12 days are 3.5m 12s and forecast to arrive on Friday (Nov 14) at 10PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 5s period and expected on Thursday (Nov 13) at 4AM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+) 7PM (Sun 9th Nov)5ft (1.5m) 13s
Best Surf 4AM (Sat 15th Nov)10ft (3.0m) 12s
Most Powerful10PM (Fri 14th Nov)11ft (3.5m) 12s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 23mm), heaviest during Mon afternoon. Very mild (max 16°C on Mon morning, min 12°C on Sun night). Winds increasing (calm on Sun afternoon, strong winds from the NNE by Mon morning).

Days 3-6 Weather Summary Moderate rain (total 11mm), heaviest on Fri night. Very mild (max 17°C on Fri night, min 11°C on Thu night). Mainly fresh winds.

Sunday
09
Monday
10
Tuesday
11
Wednesday
12
Thursday
13
Friday
14
Saturday
15
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
2
1
2
0
0
0
2
2
2
1
0
1
0
0
0
2
1
2
4
3
4
Swell
Height Map
Wave Height (m) & direction (?)
1.6
WSW
1.5
WSW
1.4
WSW
1
WSW
1.8
NNW
3
NW
3.5
WNW
3
W
1.2
WSW
1.2
WSW
1.2
WSW
0.9
WSW
0.8
WSW
2.5
W
2
W
1.2
W
4
WNW
3
W
2.4
W
2.3
W
2.5
W
Period(s) (?)13131313710111091211101198131012121213
Wave
Graph
(?)Metric surfscale
Energy kJ (?)811713613345290150926861576217355337191148104157950629102910160214202278
Wind
(km/h)
10
WSW
10
WSW
10
E
30
NE
30
NE
25
NNW
20
WSW
30
SSW
10
S
10
NNE
10
WSW
10
SSW
15
SW
30
SW
25
SW
5
W
20
NNW
20
SW
5
E
5
WSW
5
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
off
crosscrosscross-
on
crosscross-
off
cross-
off
crosscross-
on
cross-
off
crosscrosscrosscross-
on
oncrosscross-
off
cross-
on
cross-
off
High Tide
/ height (m)
2:04PM
2.94
2:35AM
2.75
3:00PM
2.77
3:36AM
2.55
4:03PM
2.60
4:43AM
2.39
5:12PM
2.47
5:55AM
2.31
6:23PM
2.41
7:03AM
2.30
7:27PM
2.41
8:02AM
2.35
8:22PM
2.45
Low Tide
/ height (m)
8:23PM
0.16
8:47AM
0.35
9:22PM
0.34
9:46AM
0.52
10:26PM
0.50
10:52AM
0.65
11:35PM
0.61
12:01PM
0.72
12:43AM
0.64
1:08PM
0.72
1:44AM
0.61
2:07PM
0.67
2:36AM
0.56
Sunday
09
Monday
10
Tuesday
11
Wednesday
12
Thursday
13
Friday
14
Saturday
15
Sunrise6:11--6:09--6:09--6:07--6:07--6:05--6:05--
Sunset-8:23--8:25--8:27--8:28--8:29--8:30--8:31-
clear
clear
part cloud
light rain
heavy rain
rain showers
part cloud
clear
clear
part cloud
part cloud
light rain
cloud
cloud
part cloud
clear
rain showers
rain showers
part cloud
clear
rain showers
Rain (mm)
---11111-----2----36--1
Temp. °C141413161615151513151514151513141617151616
Feels °C (?)1212111112101498141311998121312131414
  • 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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