Kai-Iwi Surf Break

Lat Long: 39.90° S 174.92° E

Kai-Iwi 48 hour detailed Surf Forecast

Issued: 11 pm 08 Sep 2026 (local time)

Forecast update in  hr  min

Today's Kai-Iwi sea temperature is
13.5°C
0.4° 

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


How big are the waves at Kai-Iwi today (09 Sep):

  • Morning surf: Morning surf (09 Sep, local time) - 2ft (0.6m), 9s period with W swell.
  • Afternoon surf: Afternoon surf (09 Sep, local time) - 2.5ft (0.7m), 11s period with WSW swell.
  • Evening surf: Evening surf (09 Sep, local time) - 2.5ft (0.7m), 11s period with WSW swell.

The current surf forecast for Kai-Iwi at 7AM is: 0.6m 10s primary swell from a West direction and 0.2m 8s secondary swell from a South direction (forecast issued at 11:00pm September 08). The wind direction is predicted to be cross-offshore.

Time (NZST) & DateWave HeightWave Period
Morning (09 Sep)2ft (0.6m)9s
Afternoon (09 Sep)2.5ft (0.7m)11s
Evening (09 Sep)2.5ft (0.7m)11s

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


Short Range Forecast

Light rain (total 8mm), mostly falling on Thu afternoon. Very mild (max 14°C on Thu morning, min 6°C on Tue night). Mainly fresh winds.

Wednesday
9
Thursday
10
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
Rating
(10 max)
0
1
1
1
1
0
0
0
0
0
0
1
1
1
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
WSW
12
0.6
WSW
11
0.6
W
10
0.6
W
10
0.6
W
9
0.5
W
9
0.7
WSW
11
0.7
WSW
11
0.7
WSW
11
0.6
WSW
11
1.4
W
6
1.7
W
6
1.6
W
7
1.4
W
6
1.4
W
6
0.4
SW
21
1.9
S
7
Wave Graph
Metric surfscale
Energy kJ
107
95
78
70
61
39
121
119
123
95
127
232
220
153
144
127
327
Wind (km/h)
5
ESE
5
E
10
E
10
ENE
10
ENE
5
SW
10
WSW
15
WNW
15
NW
15
NNW
20
NW
20
NW
20
NW
15
NW
20
WNW
20
S
25
SE
Wind State
cross
cross-off
cross-off
cross-off
cross-off
cross-on
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
on
cross
High Tide
8:18PM2.64m
8:43AM2.59m
9:08PM2.77m
9:32AM2.70m
Low Tide
2:34AM0.88m
2:57PM0.80m
3:23AM0.72m
3:43PM0.67m
cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
cloud
cloud
cloud
cloud
light rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:31
6:30
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:04
6:05
 mm
1
5
1
Temp °C
9
7
6
6
9
13
13
12
10
8
9
10
11
14
12
9
7
Feels °C
7
5
3
3
6
11
9
8
7
4
4
6
6
10
9
5
2
  • 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
How to use the Wavefinder 

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.


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