Westport Breakwater Surf Break

Lat Long: 41.74° S 171.64° E

Westport Breakwater Surf Forecast and Surf Report

Issued: 11 pm 19 Sep 2026 (local time)

Forecast update in  hr  min

Today's Westport Breakwater sea temperature is
12.5°C
0.3° 

Westport Breakwater surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Westport Breakwater surf forecast from 19 Sep 2026:

  • Best quality surf: Sunday 20 Sep, 9AM (local time) - 16ft (5.0m), 13s period, WSW swell with cross-shore winds.
  • Most powerful swell: Sunday 20 Sep, 3PM (local time) - 15ft (4.5m), 15s period, WSW swell with 10,001 kJ wave energy.
  • Next surfable swell (1★+): Sunday 20 Sep, 9AM (local time) - 16ft (5.0m), 13s period with WSW swell.

Best Forecast Surf Conditions for Westport Breakwater this week:

The surf forecast for Westport Breakwater over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Sep 20) at 9AM. The primary swell is predicted to be 5.0m and 13s period. The wind is predicted to be cross-shore as the swell arrives.

The most powerful waves expected at Westport Breakwater in the next 16 days are 4.5m 15s and forecast to arrive on Sunday (Sep 20) at 3PM. Winds are predicted to be cross-shore at the time the swell arrives.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+) 9AM (Sun 20th Sep)16ft (5.0m) 13s
Best Surf 9AM (Sun 20th Sep)16ft (5.0m) 13s
Most Powerful 3PM (Sun 20th Sep)15ft (4.5m) 15s

Table - best surf conditions forecast for Westport Breakwater over the next 16 days.


Short Range Forecast

Light rain (total 9mm), mostly falling on Sat night. Very mild (max 12°C on Sat night, min 7°C on Sun night). Winds decreasing (fresh winds from the SW on Sat night, calm by Mon afternoon).

Days 5-7 Weather Summary

Light rain (total 8mm), mostly falling on Tue night. Very mild (max 11°C on Wed afternoon, min 4°C on Wed night). Wind will be generally light.

Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
!
!
!
!
!
4
!
0
!
!
!
!
!
!
3
2
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
3.5
W
15
5
WSW
13
4.5
WSW
15
4
W
16
3
WSW
16
2.4
W
14
1.8
W
14
3
WSW
9
4
WSW
10
3
WSW
14
3.5
WSW
15
3.5
WSW
15
2.4
WSW
16
2.5
WSW
15
2.3
WSW
15
2
WSW
14
1.7
WSW
13
1.5
WSW
13
1.5
WSW
13
Wave Graph
Metric surfscale
Energy kJ
6365
7988
10001
7297
4131
2441
1280
1805
2938
3805
4736
4925
2696
2955
2173
1505
960
732
670
Wind (km/h)
30
WSW
30
SW
20
SW
5
S
10
SW
10
W
15
NE
25
SSW
30
SW
20
SW
10
SSE
5
SW
10
E
5
ENE
10
W
10
SSW
5
SW
10
SW
10
WNW
Wind State
cross-on
cross
cross
glassy
cross
cross-on
cross-off
cross
cross-on
cross
cross-off
glassy
off
glassy
cross-on
cross
cross
cross-on
on
High Tide
5:09AM2.26m
5:40PM2.27m
6:20AM2.29m
6:53PM2.36m
7:23AM2.40m
7:51PM2.51m
8:15AM2.56m
8:36PM2.70m
8:59AM2.73m
9:15PM2.89m
9:38AM2.90m
9:51PM3.05m
Low Tide
10:48PM1.13m
11:20AM1.17m
00:06AM1.14m
12:38PM1.12m
1:13AM1.03m
1:40PM0.98m
2:07AM0.86m
2:29PM0.80m
2:50AM0.67m
3:08PM0.62m
3:27AM0.48m
3:44PM0.45m
rain showers
part cloud
part cloud
part cloud
part cloud
clear
light rain
clear
clear
rain showers
rain showers
rain showers
clear
clear
part cloud
part cloud
part cloud
light rain
heavy rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:26
6:24
6:22
6:20
6:20
6:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:27
6:28
6:29
6:30
6:30
6:31
 mm
6
3
4
1
2
1
17
Temp °C
12
10
11
9
12
12
10
12
12
9
10
11
7
11
11
9
11
11
11
Feels °C
7
4
5
7
8
9
7
5
5
4
8
8
3
8
8
6
9
8
9
  • 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 Westport Breakwater Surf forecast

The above surf forecast table for Westport Breakwater provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Westport Breakwater can be found by selecting the local surf guide option on the grey menu. Our Westport Breakwater 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 (Westport Breakwater) 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 Westport Breakwater 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 Westport Breakwater, camping, hotels and holiday cottages in West Coast South Island, consider staying in Nelson which is 145 km (90 miles) away.

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