Kai-Iwi surfForecast / Wanganui-Manawatu / New Zealand

information circle48hr Weather and Surf, issued 11 pm Saturday 16 May 2026 NZST
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
15.3° C
(Which is normal for this time of year)

How big are the waves at Kai-Iwi today?

The current surf forecast for Kai-Iwi at 7AM is: 0.5m 18s primary swell from a Southwest direction and 0.4m 5s secondary swell from a South-southwest direction, 0.4m 3s secondary swell from a East-southeast direction (forecast issued at 11:00pm May 16). The wind direction is predicted to be cross-offshore.

Time (NZST) & DateWave HeightWave Period
Morning (17 May)1.5ft (0.5m)17s
Afternoon (17 May)1.5ft (0.5m)16s
Evening (17 May)1.5ft (0.5m)16s

Table - waves today at Kai-Iwi. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 14°C on Sun afternoon, min 8°C on Sat night). Wind will be generally light.

Sunday
17
Monday
18
Tuesday
19
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
Rating
(10 max)
0
0
0
1
1
0
0
0
0
1
1
0
0
1
0
0
0
1
0
1
1
1
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.4
SW
19
0.4
SW
18
0.4
WSW
18
0.5
SW
18
0.5
SW
17
0.5
SW
16
0.5
SW
16
0.5
SW
16
0.5
SW
16
0.5
SW
15
0.4
SW
15
0.4
SW
14
0.4
SW
14
0.4
SW
14
0.4
SW
14
0.4
SW
13
0.3
SW
13
0.3
SW
18
0.3
SW
17
0.4
SW
16
0.4
SW
16
0.4
SW
16
0.4
SW
15
0.4
SW
14
Wave Graph
Metric surfscale
Energy kJ
96
84
123
152
147
130
125
124
122
115
54
53
52
51
48
45
31
48
43
65
64
62
54
54
Wind (km/h)
20
ESE
15
ESE
10
ESE
10
E
10
E
15
ESE
15
SE
20
ESE
15
ESE
10
E
10
E
10
E
5
ENE
5
SE
10
S
5
SSE
5
E
5
NE
5
NNE
5
NNE
5
NNE
5
SW
5
SW
5
WNW
cross
cross
cross
cross-off
cross-off
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
glassy
cross-on
cross-on
glassy
glassy
off
off
glassy
glassy
cross-on
glassy
High Tide
10:00PM2.84m
10:17AM2.82m
10:46PM2.91m
11:07AM2.83m
11:33PM2.92m
11:57AM2.78m
Low Tide
4:12AM0.59m
4:34PM0.53m
5:00AM0.59m
5:22PM0.57m
5:50AM0.64m
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:18
7:20
7:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:13
5:12
5:10
Temp °C
9
9
8
8
9
13
14
11
9
8
8
8
8
12
14
12
11
10
10
9
10
13
13
11
4
5
5
5
6
9
10
7
5
5
5
5
6
10
12
10
10
9
8
7
9
12
11
10
Swell 1
Height (m)
Direction
Period (s)
0.6
S
5
0.6
S
5
0.5
S
5
0.5
SW
18
0.5
SW
17
0.5
SW
16
0.5
SW
16
0.5
SW
16
0.5
SW
16
0.5
SW
15
0.4
SW
15
0.4
SW
14
0.4
SW
14
0.4
SW
14
0.4
SW
14
0.4
SW
13
0.3
SW
13
0.3
SW
18
0.3
SW
17
0.4
SW
16
0.4
SW
16
0.4
SW
16
0.4
SW
15
0.4
SW
14
Energy kJ
17
17
12
152
147
130
125
124
122
115
54
53
52
51
48
45
27
48
43
65
64
62
54
54
Swell 2
Height (m)
Direction
Period (s)
0.4
SW
19
0.4
SW
18
0.4
WSW
18
0.4
SSW
5
0.3
SSW
4
0.3
S
10
0.3
S
10
0.3
S
10
0.3
S
10
0.2
S
10
0.2
S
9
0.2
S
9
0.2
S
9
0.3
S
9
0.1
SW
19
0.2
S
8
0.2
WSW
18
0.2
WSW
13
0.2
WSW
13
0.2
S
10
0.2
S
10
0.2
S
9
0.2
S
9
0.1
S
9
Energy kJ
96
84
123
7
4
18
18
17
17
7
7
6
6
14
15
5
31
17
17
8
7
7
6
2
Swell 3
Height (m)
Direction
Period (s)
0.3
SSW
11
0.4
SW
13
0.3
S
10
0.3
S
10
0.3
S
10
0.3
S
4
0.2
WSW
12
0.1
S
16
0.1
S
16
0.1
S
16
0.1
S
15
0.1
W
20
0.1
S
13
0.1
SW
19
0.2
S
8
0.2
S
8
0.2
S
8
Energy kJ
23
44
19
19
19
3
14
5
5
5
5
8
3
14
5
5
5
Wind waves
Height (m)
Direction
Period (s)
0.7
ESE
3
0.6
ESE
3
0.6
ESE
3
0.4
ESE
3
0.4
ESE
3
0.5
SE
3
0.6
SE
3
0.6
SE
3
0.6
SE
3
0.5
SE
3
0.5
SE
3
0.3
ESE
3
0.3
S
9
0.2
SSE
2
Energy kJ
10
8
8
4
4
5
9
9
9
5
5
2
13
1
Nearest Offshore or Glassy
Rating
(10 max)
3
1
1
1
1
2
3
2
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
Distance (km)
118
11
11
0
0
39
112
39
39
0
0
18
18
0
96
20
18
0
18
0
0
0
157
18
Best forecast wave conditions in Wanganui and the Manawatu
Rating
(10 max)
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Best forecast wave conditions in New Zealand
Rating
(10 max)
4
4
4
4
4
4
3
4
3
3
3
3
3
3
3
3
3
3
3
3
3
3
2
3
Header Global
Rating
(10 max)
5
5
5
6
5
4
4
4
6
9
9
7
4
4
5
7
5
4
5
5
4
4
4
4
  • 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

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