Whangaehu River Mouth surfForecast / Wanganui-Manawatu / New Zealand

information circle12 Day Weather and Surf, issued 12 am Tuesday 20 Jan 2026 NZDT
Forecast update in hr  min  s Forecast update imminent
Whangaehu River Mouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Whangaehu River Mouth sea temperature is
19.5° C
(Which is 1.7°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Whangaehu River Mouth this week:

The surf forecast for Whangaehu River Mouth over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Jan 24) at 7PM. The primary swell is predicted to be 2.4m and 9s period with a secondary swell of 0.4m and 10s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Whangaehu River Mouth in the next 12 days are 3.0m 9s and forecast to arrive on Saturday (Jan 24) at 7AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 4s period and expected on Tuesday (Jan 20) at 1PM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+) 7PM (Sat 24th Jan)8ft (2.4m) 9s
Best Surf 7PM (Sat 24th Jan)8ft (2.4m) 9s
Most Powerful 7AM (Sat 24th Jan)10ft (3.0m) 9s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 28mm), heaviest during Wed night. Warm (max 23°C on Tue afternoon, min 15°C on Mon night). Winds decreasing (fresh winds from the ESE on Mon night, light winds from the SW by Thu afternoon).

Days 3-6 Weather Summary Heavy rain (total 20mm), heaviest during Sat morning. Warm (max 21°C on Fri morning, min 10°C on Sat night). Mainly fresh winds.

Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunday
25
Mon
26
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
2
0
1
2
0
Swell
Height Map
Wave Height (m) & direction (?)
0.5
S
0.1
W
0.1
SW
0.4
SSW
0.1
S
0.2
SSW
0.2
S
0.2
S
0.1
SW
0.2
WSW
1
W
1.6
W
2.5
WSW
2.5
WSW
2.5
WSW
2.1
WSW
2.3
WSW
2
WSW
1.5
WSW
1.2
WSW
0.8
WSW
Period(s) (?)51515613141312201967899981110109
Wave
Graph
(?)Metric surfscale
Energy kJ (?)13681071913181635662208271083950718669871425248106
Wind
(km/h)
25
ESE
25
ESE
30
ESE
20
ESE
15
E
10
ESE
15
ESE
20
E
10
SE
20
NW
25
WNW
30
WNW
30
WNW
30
WSW
10
W
20
S
10
WSW
15
W
10
NNW
5
S
15
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
on
cross-
on
cross-
on
cross-
on
oncross-
on
cross-
on
oncross-
on
crossglasscross-
on
High Tide
/ height (m)
11:48PM
2.21
12:05PM
2.36
12:23AM
2.27
12:39PM
2.42
12:57AM
2.30
1:14PM
2.44
1:34AM
2.29
1:50PM
2.41
2:12AM
2.25
2:29PM
2.34
2:54AM
2.17
3:13PM
2.23
3:42AM
2.07
4:05PM
2.09
Low Tide
/ height (m)
5:56AM
0.21
6:20PM
0.16
6:30AM
0.15
6:53PM
0.12
7:02AM
0.14
7:27PM
0.11
7:36AM
0.16
8:02PM
0.14
8:11AM
0.23
8:39PM
0.22
8:51AM
0.34
9:21PM
0.35
9:37AM
0.48
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunday
25
Mon
26
Sunrise-6:11--6:13--6:15--6:16--6:16--6:18--6:18-
Sunset--8:46--8:45--8:45--8:45--8:44--8:44--8:43
part cloud
part cloud
part cloud
part cloud
cloud
cloud
heavy rain
heavy rain
light rain
part cloud
clear
clear
rain showers
rain showers
rain showers
rain showers
light rain
light rain
rain showers
part cloud
clear
Rain (mm)
------12124---2526232--
Temp. °C162223161922181817182121171213121616141618
Feels °C (?)1117171218201616181617181461181313111315
  • 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

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Information about the Whangaehu River Mouth Surf forecast

The above surf forecast table for Whangaehu 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 Whangaehu River Mouth can be found by selecting the local surf guide option on the grey menu. Our Whangaehu 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 (Whangaehu 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 Whangaehu 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 Whangaehu River Mouth, camping, hotels and holiday cottages in Wanganui and the Manawatu, consider staying in Wanganui which is 13 km (8 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 55 km (34 miles) away, Levin and Paraparaumu.

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