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Surf Forecasts:

Kai-Iwi surfForecast / Wanganui-Manawatu / New Zealand

information circle12 Day Weather and Surf, issued 6 am Tuesday 10 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
19.8° C
 (Which is slightly warmer than usual)

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 Tuesday (Feb 10) at 10PM. The primary swell is predicted to be 0.9m and 5s period with a secondary swell of 0.3m and 13s. Another secondary swell of 0.2m and 11s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Kai-Iwi in the next 12 days are 3.0m 8s and forecast to arrive on Sunday (Feb 15) at 1PM. 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 3s period and expected on Thursday (Feb 12) at 1AM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+)10PM (Tue 10th Feb)3ft (0.9m) 5s
Best Surf10PM (Tue 10th Feb)3ft (0.9m) 5s
Most Powerful 1PM (Sun 15th Feb)10ft (3.0m) 8s

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 Mostly dry. Warm (max 24°C on Thu morning, min 15°C on Wed night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 6mm), mostly falling on Fri night. Warm (max 25°C on Fri morning, min 14°C on Sun night). Winds increasing (calm on Fri night, strong winds from the S by Sun afternoon).

Tuesday
10
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.4
SW
0.3
SSW
1.2
WNW
0.9
W
0.7
W
0.8
SSW
0.3
W
0.3
W
0.2
S
0.2
WSW
0.2
WSW
0.4
WNW
1
S
2.2
S
1.9
S
3
S
3
S
2.3
S
1.3
S
0.5
WSW
0.5
WSW
Period(s) (?)121356667781313457788861211
Wave
Graph
(?)Metric surfscale
Energy kJ (?)3535755431451096171664650138198810146581358171
Wind
(km/h)
5
WNW
20
W
10
N
5
NW
10
SSW
15
E
5
ENE
10
SSW
10
NE
5
NNE
5
SW
5
NE
10
WNW
20
S
15
SSE
35
S
45
S
45
SSW
40
S
30
S
25
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
on		cross-
off		cross-
off		oncross-
off		glassoncross-
off		offcross-
on		glasscrossoncross-
on		cross-
on		onononcross-
on		cross-
on
High Tide
/ height (m)
5:13PM
2.21
5:56AM
2.19
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
Low Tide
/ height (m)
11:06AM
1.29
11:30PM
1.24
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
Tuesday
10
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Sunrise6:39--6:39--6:41--6:41--6:43--6:45--6:46--
Sunset-8:29--8:27--8:25--8:24--8:23--8:22--8:21-
part cloud
part cloud
cloud
cloud
clear
clear
part cloud
cloud
part cloud
part cloud
rain showers
light rain
part cloud
part cloud
part cloud
light rain
cloud
light rain
cloud
part cloud
part cloud
Rain (mm)
----------13---1-1---
Temp. °C212116212218242318252318191816161615151615
Feels °C (?)1918152121162322192524201715149768109
  • 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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