Wanganui River Mouth Surf Break

Lat Long: 39.95° S 174.98° E

Wanganui River Mouth Surf Forecast and Surf Report

Issued: 11 pm 25 Jul 2026 (local time)

Forecast update in  hr  min

Today's Wanganui River Mouth sea temperature is
12.8° C
0.7° 

Wanganui River Mouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Wanganui River Mouth surf forecast from 25 Jul 2026:

  • Best quality surf: Saturday 1 Aug, 6PM (local time) - 8ft (2.5m), 9s period, SSW swell with glassy winds.
  • Most powerful swell: Saturday 1 Aug, 12AM (local time) - 6.5ft (2.0m), 14s period, WSW swell with 1,491 kJ wave energy.
  • Next surfable swell (1★+): Sunday 26 Jul, 9AM (local time) - 4.5ft (1.3m), 14s period with WSW swell.

Best Forecast Surf Conditions for Wanganui River Mouth this week:

The surf forecast for Wanganui River Mouth over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Jul 26) at 9AM. The primary swell is predicted to be 1.3m and 14s period with a secondary swell of 0.5m and 8s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Wanganui River Mouth in the next 16 days are 2.0m 14s and forecast to arrive on Saturday (Aug 01) at 12AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 6s period and expected on Thursday (Jul 30) at 3AM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+) 9AM (Sun 26th Jul)4.5ft (1.3m) 14s
Best Surf 6PM (Sat 1st Aug)8ft (2.5m) 9s
Most Powerful12AM (Sat 1st Aug)6.5ft (2.0m) 14s

Table - best surf conditions forecast for Wanganui River Mouth over the next 16 days.


Short Range Forecast

Light rain (total 2mm), mostly falling on Sat night. Very mild (max 10°C on Sun morning, min 4°C on Sun night). Wind will be generally light.

Days 5-7 Weather Summary

Light rain (total 9mm), mostly falling on Fri afternoon. Very mild (max 14°C on Thu afternoon, min 5°C on Tue night). Wind will be generally light.

Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
31
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
2
0
1
1
0
1
1
0
0
0
0
0
0
0
0
2
2
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.9
WSW
14
1.3
WSW
14
0.9
WSW
10
0.6
WSW
10
0.9
WSW
12
0.8
WSW
12
0.8
WSW
12
0.7
WSW
11
0.5
WSW
10
0.5
WSW
10
0.4
WSW
9
0.4
WSW
9
0.3
SW
14
0.3
SW
14
1.3
WNW
6
0.3
SW
16
1.2
W
10
1
WSW
10
2
WSW
14
Wave Graph
Metric surfscale
Energy kJ
1422
578
149
74
245
184
153
103
58
54
32
26
31
36
140
39
296
198
1491
Wind (km/h)
15
S
10
ENE
15
SE
5
NNE
5
ENE
10
SSW
10
NE
5
NE
10
S
10
ENE
10
N
10
NW
15
N
20
NNW
20
NNW
25
N
10
NNW
15
N
25
NW
Wind State
cross-on
cross-off
cross-on
off
cross-off
on
off
cross-off
cross-on
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
8:09AM2.30m
8:38PM2.43m
8:57AM2.39m
9:19PM2.53m
9:39AM2.48m
9:56PM2.63m
10:17AM2.57m
10:31PM2.71m
10:52AM2.63m
11:06PM2.77m
11:26AM2.68m
11:40PM2.81m
Low Tide
2:06AM1.22m
2:25PM1.13m
2:52AM1.13m
3:10PM1.04m
3:32AM1.04m
3:49PM0.95m
4:08AM0.96m
4:25PM0.87m
4:44AM0.89m
4:59PM0.81m
5:19AM0.83m
5:33PM0.77m
rain showers
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
light rain
mod rain
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:30
7:30
7:28
7:28
7:26
7:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:22
5:22
5:23
5:24
5:25
5:27
 mm
2
2
7
1
Temp °C
9
10
10
7
8
9
8
9
9
7
11
13
9
13
14
13
13
11
11
Feels °C
4
6
6
4
5
6
6
7
6
4
8
9
4
8
9
8
9
8
6
  • 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 Wanganui River Mouth Surf forecast

The above surf forecast table for Wanganui River Mouth provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Wanganui River Mouth can be found by selecting the local surf guide option on the grey menu. Our Wanganui River Mouth 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 (Wanganui River Mouth) 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 Wanganui River Mouth 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 Wanganui and the Manawatu? If you are looking for accommodation near Wanganui River Mouth, camping, hotels and holiday cottages in Wanganui and the Manawatu, consider staying in Wanganui which is 6 km (4 miles) away. Other places in and around Wanganui and the Manawatu where you can find information about places to rent, and car hire include Palmerston North which is 70 km (43 miles) away and Levin, 80 km (50 miles) away.

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