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Surf Forecasts:

Kai-Iwi surfForecast / Wanganui-Manawatu / New Zealand

information circle12 Day Weather and Surf, issued 12 pm Wednesday 11 Feb 2026 NZDT
Forecast update in hr  min  s Forecast update imminent
Kai-Iwi surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kai-Iwi sea temperature is
20.0° C
 (Which is 1.1°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Kai-Iwi this week:

The surf forecast for Kai-Iwi over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Feb 16) at 4PM. The primary swell is predicted to be 3.5m and 9s period with a secondary swell of 0.6m and 12s. Another secondary swell of 0.1m and 20s is also forecast. The wind is predicted to be cross-onshore as the swell arrives.

The most powerful waves expected at Kai-Iwi in the next 12 days are 4.5m 10s and forecast to arrive on Sunday (Feb 15) at 10PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Thursday (Feb 12) at 7AM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+) 4PM (Mon 16th Feb)11ft (3.5m) 9s
Best Surf 4PM (Mon 16th Feb)11ft (3.5m) 9s
Most Powerful10PM (Sun 15th Feb)15ft (4.5m) 10s

Table - best surf conditions forecast for Kai-Iwi over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Moderate rain (total 10mm), heaviest on Fri afternoon. Warm (max 24°C on Thu morning, min 16°C on Wed night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 54mm), heaviest during Sun afternoon. Very mild (max 18°C on Sat morning, min 13°C on Sun morning). Winds decreasing (near gales from the SSW on Sun afternoon, calm by Mon night).

Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
!
3
2
0
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.9
W
0.8
W
0.6
SSW
0.2
WSW
0.3
W
0.2
S
0.2
WSW
0.2
WSW
0.1
SW
0.2
WSW
2.1
S
1.9
S
3
S
4
S
4.5
SSW
4.5
S
3.5
S
2.5
S
1.7
S
1.6
S
1.6
S
Period(s) (?)6661178131312127789101098667
Wave
Graph
(?)Metric surfscale
Energy kJ (?)5040251395171661539639212882771356133032145853212181229
Wind
(km/h)
10
NW
10
SSW
10
ENE
0
NE
15
SSW
10
NE
5
ENE
5
SSW
5
SSE
10
S
15
S
15
SSE
40
S
55
SSW
50
SSW
40
SSW
10
SW
10
NNE
10
NNW
15
W
5
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		oncross-
off		glassoncross-
off		glassglassglasscross-
on		cross-
on		cross-
on		ononononcross-
on		offcross-
off		crosscross-
off
High Tide
/ height (m)
6:32PM
2.16
7:25AM
2.20
7:51PM
2.18
8:33AM
2.28
8:54PM
2.26
9:23AM
2.40
9:44PM
2.37
10:05AM
2.52
10:27PM
2.49
10:43AM
2.65
11:05PM
2.60
11:19AM
2.76
11:41PM
2.69
Low Tide
/ height (m)
12:17PM
1.35
12:50AM
1.29
1:44PM
1.34
2:13AM
1.25
2:51PM
1.25
3:12AM
1.15
3:39PM
1.13
3:57AM
1.02
4:19PM
1.00
4:36AM
0.89
4:56PM
0.87
5:13AM
0.77
5:32PM
0.76
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Sunrise6:39--6:41--6:41--6:43--6:45--6:46--6:47--
Sunset-8:27--8:25--8:24--8:23--8:22--8:21--8:20-
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
rain showers
light rain
cloud
cloud
light rain
heavy rain
heavy rain
heavy rain
cloud
light rain
cloud
rain showers
rain showers
part cloud
Rain (mm)
-------55--2122613-1-11-
Temp. °C212117242219242219181817131415161515181816
Feels °C (?)202117232020242321181715546101315171717
  • 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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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Kai-Iwi surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Kai-Iwi at:
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Information about the Kai-Iwi Surf forecast

The above surf forecast table for Kai-Iwi provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Kai-Iwi can be found by selecting the local surf guide option on the grey menu. Our Kai-Iwi 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 (Kai-Iwi) 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 Kai-Iwi 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 Kai-Iwi, camping, hotels and holiday cottages in Wanganui and the Manawatu, consider staying in Wanganui which is 12 km (7 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 78 km (48 miles) away and Levin, 87 km (54 miles) away.

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