Wanganui River Mouth surf break

Wanganui River Mouth surfForecast / Wanganui-Manawatu / New Zealand

information circle12 Day Weather and Surf, issued 12 am Wednesday 17 Dec 2025 NZDT
Forecast update in hr  min  s Forecast update imminent
Wanganui River Mouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Wanganui River Mouth sea temperature is
19.4° C
(Which is 3.1°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Wanganui River Mouth this week:

The surf forecast for Wanganui River Mouth over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Dec 18) at 1AM. The primary swell is predicted to be 1.1m and 9s period with a secondary swell of 0.6m and 5s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Wanganui River Mouth in the next 12 days are 2.4m 9s and forecast to arrive on Tuesday (Dec 23) at 4PM. Winds are predicted to be cross-shore at the time the swell arrives.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Thu 18th Dec)3.5ft (1.1m) 9s
Best Surf 1AM (Thu 18th Dec)3.5ft (1.1m) 9s
Most Powerful 4PM (Tue 23rd Dec)8ft (2.4m) 9s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 5mm), mostly falling on Wed morning. Warm (max 20°C on Fri afternoon, min 12°C on Tue night). Winds increasing (light winds from the S on Wed night, fresh winds from the WNW by Fri afternoon).

Days 3-6 Weather Summary Light rain (total 4mm), mostly falling on Fri night. Warm (max 21°C on Mon afternoon, min 12°C on Sun night). Winds decreasing (fresh winds from the WNW on Fri night, light winds from the WSW by Sat night).

Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tue
23
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.6
SW
0.8
SW
0.8
SW
1.1
WSW
0.9
WSW
1
W
2
W
1.6
WSW
1.6
W
2.5
W
1.9
WSW
1.5
WSW
2.2
W
1.4
WSW
1.5
WSW
1.7
W
1
W
0.4
SSW
0.5
S
2.3
WNW
2.4
W
Period(s) (?)16161499677788887776131289
Wave
Graph
(?)Metric surfscale
Energy kJ (?)21629525118812360388284247815492286655208181271695572576888
Wind
(km/h)
25
WNW
15
W
20
S
5
NNE
25
WNW
25
W
25
NW
30
NW
30
WNW
30
WNW
20
W
35
W
20
WSW
25
W
25
W
15
NW
20
WNW
20
W
30
NNW
40
NW
40
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
on
cross-
on
offcross-
off
crosscross-
off
cross-
off
crosscrosscross-
on
crosscross-
on
crosscrosscross-
off
cross-
off
crosscross-
off
cross-
off
cross
High Tide
/ height (m)
9:36AM
2.43
9:50PM
2.40
10:15AM
2.52
10:31PM
2.46
10:52AM
2.60
11:10PM
2.52
11:27AM
2.65
11:47PM
2.56
12:03PM
2.69
12:23AM
2.59
12:39PM
2.71
1:00AM
2.59
1:16PM
2.71
Low Tide
/ height (m)
3:20AM
1.01
3:47PM
1.07
4:03AM
0.97
4:27PM
1.02
4:42AM
0.93
5:04PM
0.98
5:20AM
0.91
5:39PM
0.96
5:56AM
0.90
6:15PM
0.96
6:32AM
0.89
6:53PM
0.96
7:10AM
0.90
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tue
23
Sunrise-5:45--5:46--5:46--5:46--5:47--5:47--5:48-
Sunset--8:45--8:45--8:45--8:46--8:47--8:47--8:49
rain showers
thunderstorm
clear
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
rain showers
part cloud
clear
part cloud
part cloud
part cloud
part cloud
clear
part cloud
light rain
rain showers
rain showers
Rain (mm)
23-------4--------221
Temp. °C141515141718161820161616151717151921192120
Feels °C (?)91012121213131414129881011101519171514
  • Map Icons:
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  • 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 12 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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