Surf Break

Lat Long: 39.90° S 174.92° E

Kai-Iwi Surf Forecast and Surf Report

Issued: 6 pm 31 Oct 2026 (local time)

Forecast update in  hr  min

Today's Kai-Iwi sea temperature is
15.2°C
0.7° 

Kai-Iwi surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Kai-Iwi surf forecast from 31 Oct 2026:

  • Best quality surf: Sunday 1 Nov, 1AM (local time) - 4ft (1.2m), 13s period, WSW swell with offshore winds.
  • Most powerful swell: Sunday 1 Nov, 1AM (local time) - 4ft (1.2m), 13s period, WSW swell with 523 kJ wave energy.
  • Next surfable swell (1★+): Sunday 1 Nov, 1AM (local time) - 4ft (1.2m), 13s period with WSW swell.

Best Forecast Surf Conditions for Kai-Iwi this week:

The surf forecast for Kai-Iwi over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Nov 01) at 1AM. The primary swell is predicted to be 1.2m and 13s period with a secondary swell of 0.8m and 11s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Kai-Iwi in the next 16 days are 1.2m 13s and forecast to arrive on Sunday (Nov 01) at 1AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Saturday (Nov 07) at 10PM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Sun 1st Nov)4ft (1.2m) 13s
Best Surf 1AM (Sun 1st Nov)4ft (1.2m) 13s
Most Powerful 1AM (Sun 1st Nov)4ft (1.2m) 13s

Table - best surf conditions forecast for Kai-Iwi over the next 16 days.


Short Range Forecast

Mostly dry. Warm (max 20°C on Mon afternoon, min 8°C on Sat night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 21°C on Fri morning, min 14°C on Tue night). Wind will be generally light.

Sat
31
Sunday
1
Monday
2
Tuesday
3
Wednesday
4
Thursday
5
Friday
6
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
3
1
0
0
0
0
0
1
0
1
1
0
1
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.6
WSW
12
1.2
WSW
13
1
WNW
8
1.5
W
5
1.1
W
6
0.8
W
6
1
W
7
0.7
WSW
12
1.2
W
11
1.1
W
10
0.7
W
9
0.7
W
9
0.4
SW
15
0.4
SW
14
0.4
SW
13
0.4
SW
13
0.2
WSW
12
0.2
WSW
12
0.2
W
11
0.4
W
9
Wave Graph
Metric surfscale
Energy kJ
742
523
140
129
92
44
89
129
323
228
81
76
56
49
44
43
15
14
9
27
Wind (km/h)
10
SSW
5
NNE
15
NW
25
W
15
NNW
20
NNW
15
NW
20
NNW
15
NW
10
WSW
5
ENE
0
SSE
10
S
5
NE
10
WNW
10
SW
5
NNE
5
N
10
SW
10
NE
Wind State
on
off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-on
cross-off
glassy
cross-on
cross-off
cross
cross-on
off
cross-off
on
off
High Tide
3:27AM2.48m
4:00PM2.53m
4:40AM2.39m
5:14PM2.46m
5:50AM2.35m
6:27PM2.45m
6:59AM2.35m
7:34PM2.47m
8:05AM2.40m
8:31PM2.51m
9:02AM2.47m
9:21PM2.56m
Low Tide
9:18PM0.96m
9:38AM1.00m
10:24PM1.05m
10:47AM1.09m
11:34PM1.09m
12:01PM1.12m
00:46AM1.07m
1:14PM1.08m
1:53AM0.99m
2:19PM1.01m
2:49AM0.90m
3:13PM0.92m
3:36AM0.82m
clear
clear
clear
clear
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
clear
clear
clear
part cloud
part cloud
cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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6:09
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6:09
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6:07
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6:07
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6:05
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6:03
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<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:55
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7:57
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7:58
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7:59
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8:00
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8:01
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8:02
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 mm
—
—
—
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—
—
—
—
—
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Temp °C
13
10
16
16
12
19
20
15
20
18
15
20
19
15
20
18
16
21
20
16
Feels °C
9
8
11
11
8
15
16
11
18
16
15
18
17
15
18
16
16
19
19
15
  • 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 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 16 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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