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Surf Forecasts:

Little Wanganui surf break

Little Wanganui surfForecast / West Coast South Island / New Zealand

information circle12 Day Weather and Surf, issued 5 pm Saturday 13 Sep 2025 NZST
Forecast update in hr  min  s Forecast update imminent
Little Wanganui surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Little Wanganui sea temperature is
13.2° C
 (Which is normal for this time of year)

Best Forecast Surf Conditions for Little Wanganui this week:

The surf forecast for Little Wanganui over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Sep 14) at 9AM. The primary swell is predicted to be 4.5m and 14s period. The wind is predicted to be cross-onshore as the swell arrives.

The most powerful waves expected at Little Wanganui in the next 12 days are 4.5m 16s and forecast to arrive on Thursday (Sep 18) at 6PM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+) 9AM (Sun 14th Sep)15ft (4.5m) 14s
Best Surf 9AM (Sun 14th Sep)15ft (4.5m) 14s
Most Powerful 6PM (Thu 18th Sep)15ft (4.5m) 16s

Table - best surf conditions forecast for Little Wanganui over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Heavy rain (total 25mm), heaviest during Sat night. Very mild (max 15°C on Tue morning, min 9°C on Sat afternoon). Winds decreasing (strong winds from the W on Sat night, light winds from the SW by Sun night).

Days 3-6 Weather Summary Heavy rain (total 47mm), heaviest during Wed night. Very mild (max 15°C on Tue afternoon, min 9°C on Thu night). Winds increasing (calm on Tue afternoon, fresh winds from the NW by Wed afternoon).

Sat
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
!
!
3
2
2
3
2
3
3
0
0
!
!
0
!
3
2
4
3
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
5
WSW
5
W
4.5
W
4
W
3
W
2.4
WSW
2.1
W
2.1
W
2.2
W
2.3
W
2.1
W
2.5
W
3
WNW
4
WNW
3.5
W
4
W
3.5
W
3
W
2.3
W
1.8
W
1.4
WSW
Period(s) (?)1113141413131313813131491111111413121211
Wave
Graph
(?)Metric surfscale
Energy kJ (?)557885807796552827641922158514976701810151425451502374332133553504627901570909486
Wind
(km/h)
35
WSW
40
W
20
SW
20
SW
5
SW
15
SW
10
WSW
10
WSW
15
WSW
10
W
10
NNW
20
NNW
25
NNW
15
W
20
W
20
WSW
15
SW
10
SSW
15
WSW
5
ESE
0
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		oncross-
on		cross-
on		cross-
on		cross-
on		oncross-
on		cross-
on		oncross-
on		cross-
on		cross-
on		onononcross-
on		cross-
on		cross-
on		cross-
off		glass
High Tide
/ height (m)
2:45AM
2.78
3:16PM
2.69
3:54AM
2.56
4:32PM
2.54
5:18AM
2.44
5:57PM
2.51
6:41AM
2.47
7:13PM
2.61
7:47AM
2.58
8:12PM
2.75
8:39AM
2.72
8:59PM
2.89
9:22AM
2.85
Low Tide
/ height (m)
8:33PM
0.40
9:03AM
0.53
9:38PM
0.61
10:12AM
0.72
10:55PM
0.74
11:31AM
0.80
12:17AM
0.74
12:49PM
0.75
1:28AM
0.63
1:53PM
0.62
2:25AM
0.48
2:44PM
0.47
3:11AM
0.34
Sat
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Sunrise--6:35--6:33--6:31--6:30--6:28--6:26--6:24
Sunset6:17--6:19--6:20--6:21--6:22--6:22--6:23--
light rain
rain showers
light rain
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
clear
light rain
light rain
mod rain
rain showers
mod rain
rain showers
rain showers
part cloud
part cloud
clear
clear
Rain (mm)
382231231-32621852----
Temp. °C911111111121213151513141413111191212913
Feels °C (?)136789101114141211101076598611
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

Eyeball surf reportRecent Eyeball Surf Reports for West Coast South Island

  1. weather stationWind Update The wind is still cross-on at Little Wanganui (fresh winds from the SW at WestportAeroAws 55 km from Little Wanganui). A 5.5m groundswell from the W is too big for here

    2 hours 8 minutes ago Little Wanganui
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FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Little Wanganui surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Little Wanganui at:
surf-forecast.com

Information about the Little Wanganui Surf forecast

The above surf forecast table for Little Wanganui provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Little Wanganui can be found by selecting the local surf guide option on the grey menu. Our Little Wanganui 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 (Little Wanganui) 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 Little Wanganui 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 Little Wanganui, camping, hotels and holiday cottages in West Coast South Island, consider staying in Nelson which is 102 km (63 miles) away.

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