Kai-Iwi surfForecast / Wanganui-Manawatu / New Zealand

information circle48hr Weather and Surf, issued 12 am Sunday 18 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
19.5° C
(Which is 1.6°C warmer than normal for this time of year)


How big are the waves at Kai-Iwi today?

The current surf forecast for Kai-Iwi at 5AM is: 1.0m 7s primary swell from a South direction and 0.2m 12s secondary swell from a West-southwest direction, 0.8m 4s secondary swell from a East-southeast direction (forecast issued at 12:00am January 18). The wind direction is predicted to be cross-shore.

Time (NZDT) & DateWave HeightWave Period
Morning (18 Jan)0.5ft (0.2m)12s
Afternoon (18 Jan)0.5ft (0.1m)14s
Evening (18 Jan)0.5ft (0.1m)13s

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

Updates in  hr  min  s Forecast update imminent
Sunday
18
Monday
19
Tuesday
20
10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
Swell
Height Map
Wave Height (m) & direction (?)
1.6
S
1.2
S
1
S
1
S
0.2
WSW
0.2
WSW
0.1
S
1.2
S
0.1
S
0.1
SW
1.4
SSE
1.4
SSE
1.3
SSE
1.3
SSE
1.4
SSE
1.5
SSE
0.9
SSW
0.7
S
1.1
SE
1
ESE
1.1
SE
1
SE
1.2
SSE
1.4
SSE
Period(s) (?)77771212147131355555566444455
Wave
Graph
(?)Metric surfscale
Energy kJ (?)254138949414145130668580717310011756424642453866100
Wind
(km/h)
25
ESE
25
ESE
25
ESE
30
ESE
30
SE
25
SE
30
SE
30
SE
25
SE
25
SE
25
SE
25
ESE
25
ESE
25
ESE
25
SE
30
ESE
30
ESE
25
ESE
25
ESE
20
ESE
25
ESE
25
ESE
20
ESE
10
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscross-
off
High Tide
/ height (m)
10:50PM
2.51
11:07AM
2.65
11:28PM
2.58
11:43AM
2.73
12:04AM
2.64
12:19PM
2.79
Low Tide
/ height (m)
4:59AM
0.93
5:19PM
0.95
5:36AM
0.86
5:55PM
0.88
6:12AM
0.80
6:32PM
0.83
Sunday
18
Monday
19
Tuesday
20
Sunrise---6:11-------6:11-------6:13----
Sunset-------8:47-------8:47-------8:46
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
clear
clear
part cloud
cloud
part cloud
cloud
cloud
cloud
cloud
Rain (mm)
------------------------
Temp. °C151313131518171514131313151820191513131316211916
Feels °C (?)10777912119988810131513988911161614
  • 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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