Snow-ForecastSnow-ForecastMountain-ForecastMountain-ForecastTide-ForecastTide-ForecastWeather-ForecastWeather-Forecast
Search by country, region, or break
Search by country, region, or break

Quick Links

Surf Forecasts:

Kai-Iwi surfForecast / Wanganui-Manawatu / New Zealand

information circle12 Day Weather and Surf, issued 12 am Sunday 25 Jan 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
18.9° 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 Sunday (Jan 25) at 7PM. The primary swell is predicted to be 3.5m and 10s period with a secondary swell of 0.5m and 12s. The wind is predicted to be cross-shore as the swell arrives.

The most powerful waves expected at Kai-Iwi in the next 12 days are 3.5m 10s and forecast to arrive on Sunday (Jan 25) at 7PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Sunday (Feb 01) at 7AM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+) 7PM (Sun 25th Jan)11ft (3.5m) 10s
Best Surf 7PM (Sun 25th Jan)11ft (3.5m) 10s
Most Powerful 7PM (Sun 25th Jan)11ft (3.5m) 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 12mm), heaviest on Sat night. Warm (max 20°C on Mon afternoon, min 15°C on Sat night). Winds decreasing (fresh winds from the WNW on Sun afternoon, calm by Tue afternoon).

Days 3-6 Weather Summary Mostly dry. Warm (max 22°C on Wed morning, min 14°C on Tue night). Wind will be generally light.

Sunday
25
Monday
26
Tuesday
27
Wednesday
28
Thursday
29
Friday
30
Sat
31
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
!
1
0
2
2
0
2
2
0
0
0
0
0
0
0
1
1
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
3.5
W
2.5
W
3.5
W
3
W
1.6
W
1.4
W
1.2
W
1.1
W
0.8
W
0.5
S
0.4
SSW
0.3
SW
0.4
S
0.8
W
1.6
W
1.3
W
1
W
0.7
W
0.2
WSW
0.2
WSW
0.8
W
Period(s) (?)1211991097881091484666614114
Wave
Graph
(?)Metric surfscale
Energy kJ (?)36481603211913204893061311578050293223251631437535201121
Wind
(km/h)
30
NW
30
WNW
35
WNW
25
NW
15
NW
20
W
15
NNW
10
NW
10
SW
15
ESE
10
E
10
SW
5
NW
20
WNW
25
WNW
15
NW
5
NNE
15
SSW
5
SE
5
WNW
10
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		crosscrosscross-
off		cross-
off		crosscross-
off		cross-
off		cross-
on		crosscross-
off		oncross-
off		crosscrosscross-
off		glassonglasscrosscross-
on
High Tide
/ height (m)
3:16AM
2.57
3:33PM
2.62
4:05AM
2.50
4:26PM
2.53
5:04AM
2.43
5:31PM
2.44
6:21AM
2.39
6:53PM
2.40
7:53AM
2.44
8:18PM
2.44
9:04AM
2.57
9:27PM
2.54
10:00AM
2.72
Low Tide
/ height (m)
9:31AM
0.95
9:58PM
0.93
10:23AM
1.05
10:50PM
1.02
11:24AM
1.13
11:54PM
1.10
12:41PM
1.18
1:19AM
1.12
2:09PM
1.13
2:42AM
1.05
3:19PM
1.01
3:45AM
0.92
4:14PM
0.86
Sunday
25
Monday
26
Tuesday
27
Wednesday
28
Thursday
29
Friday
30
Sat
31
Sunrise-6:18--6:20--6:22--6:22--6:24--6:24--6:26-
Sunset--8:44--8:43--8:42--8:42--8:40--8:39--8:38
rain showers
rain showers
clear
light rain
rain showers
rain showers
part cloud
cloud
rain showers
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
Rain (mm)
32-311--2------------
Temp. °C151718161920161818152219162020172120162021
Feels °C (?)91112111718151717132118151616142018161920
  • 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

Latest Updates

Save Up to 20% on SIXT Rental Cars Worldwide – Exclusive Surf-Forecast Deal
travel
Surf Forecast

Save Up to 20% on SIXT Rental Cars Worldwide – Exclusive Surf-Forecast Deal

Surf road trips just got even better. Surf-Forecast users can now save up to 20% on SIXT rental cars worldwide during the promotional period until March 31, 2026. Whether you’re planning a legendary California road trip, chasing waves along Europe’s coasts, or exploring remote surf destinations, this exclusive SIXT offer helps you travel smarter and cheaper. And if you want some inspiration on where to go, check out our article Five Iconic Surf Road Trips. Click and get your SIXT discount

The World’s Most Inconsistent Waves
Ben Mondy

The World’s Most Inconsistent Waves

Huntington, Dribbleton, Virginia, Holland and the Superbank! We recently had a look at the world’s most consistent waves. This was based on the combination of swells and wind directed at 7,000 surf spots, as compiled from our data since 2006. Those stats, represented in easy-to-read graphics, are located under each wave’s spot guides, with historical swell and wind breakdowns available by month, season, and year. There is also an offshore filter, which shows how often the swells come with clean

Read more

Read more

Discover more articles and updates in the Greenroom.

submit an eyeball surf report

Quick surf report for Kai-Iwi:

join our community of surf reporters

FREE! Surf-Forecast.com widget for your website

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:
surf-forecast.com

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.

Nearest locationNearest
Nearest locationNearest
Nearest locationNearest