Whangaehu River Mouth surfForecast / Wanganui-Manawatu / New Zealand

information circle16 Day Weather and Surf, issued 5 am Friday 17 Apr 2026 NZST
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
17.9° C
(Which is 1.0°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 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Apr 19) at 12AM. The primary swell is predicted to be 1.1m and 9s period with a secondary swell of 0.3m and 15s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Whangaehu River Mouth in the next 16 days are 3.0m 9s and forecast to arrive on Thursday (Apr 23) at 3AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 2s period and expected on Monday (Apr 20) at 9AM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+)12AM (Sun 19th Apr)3.5ft (1.1m) 9s
Best Surf 3AM (Thu 23rd Apr)10ft (3.0m) 9s
Most Powerful 3AM (Thu 23rd Apr)10ft (3.0m) 9s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 63mm), heaviest during Sat night. Very mild (max 19°C on Sun morning, min 12°C on Sun night). Winds decreasing (fresh winds from the NW on Sat afternoon, calm by Sun night).

Days 3-6 Weather Summary Moderate rain (total 13mm), heaviest on Mon night. Very mild (max 19°C on Mon afternoon, min 13°C on Mon morning). Wind will be generally light.

Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
2
1
2
2
0
2
1
1
1
0
0
0
0
0
2
3
2
2
Swell
Height Map
Wave Height (m) & direction (?)
2.3
W
1.5
W
1.8
WNW
2.1
WNW
2.5
WNW
1.1
WSW
1.1
WSW
1.2
WSW
1.3
WSW
0.9
WSW
0.7
WSW
0.5
WSW
0.4
WSW
0.3
WSW
0.5
SSW
0.4
SSW
1.6
SSW
2
SSW
2
SSW
1.5
SSW
1.4
SSW
Period(s) (?)777899131615141211995677998
Wave
Graph
(?)Metric surfscale
Energy kJ (?)5692063216129692204276416653521366429171712247403695368256
Wind
(km/h)
25
WNW
30
WNW
25
NNW
25
N
30
NNW
10
N
10
N
20
NNW
10
E
15
ESE
5
NE
10
ENE
10
ENE
20
N
15
NNE
20
N
15
NNW
10
ENE
10
E
10
E
5
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
crosscross-
off
crosscross-
off
cross-
off
crossoffcross-
off
glassoffoffcross-
off
cross-
off
cross-
off
crossoffcross-
off
offcross-
off
High Tide
/ height (m)
9:43AM
2.51
10:06PM
2.51
10:23AM
2.58
10:46PM
2.57
11:04AM
2.58
11:26PM
2.56
11:47AM
2.49
12:09AM
2.48
12:32PM
2.35
12:55AM
2.34
1:22PM
2.15
1:48AM
2.16
2:19PM
1.95
2:51AM
1.98
Low Tide
/ height (m)
4:02PM
-0.06
4:18AM
-0.02
4:38PM
-0.09
4:57AM
-0.04
5:15PM
-0.05
5:36AM
0.01
5:54PM
0.06
6:17AM
0.13
6:35PM
0.23
7:03AM
0.31
7:20PM
0.42
7:58AM
0.50
8:18PM
0.62
Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Sunrise6:50--6:50--6:52--6:52--6:54--6:54--6:56--
Sunset-5:46--5:45--5:45--5:43--5:42--5:39--5:38-
part cloud
cloud
part cloud
light rain
heavy rain
rain showers
clear
thunderstorm
heavy rain
rain showers
thunderstorm
rain showers
part cloud
part cloud
cloud
part cloud
clear
cloud
light rain
cloud
clear
Rain (mm)
---11124-423337------2--
Temp. °C171716161615191814181913171715181914151615
Feels °C (?)121211121112161512171913141312141613141513
  • 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 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 16 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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