Kai-Iwi Surf Break

Lat Long: 39.90° S 174.92° E

Kai-Iwi 48 hour detailed Surf Forecast

Issued: 11 am 09 Aug 2026 (local time)

Forecast update in  hr  min

Today's Kai-Iwi sea temperature is
12.0° C
1.4° 

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 Aug):

  • Morning surf: Morning surf (09 Aug, local time) - 3.5ft (1.0m), 10s period with W swell.
  • Afternoon surf: Afternoon surf (09 Aug, local time) - 2.5ft (0.8m), 10s period with W swell.
  • Evening surf: Evening surf (09 Aug, local time) - 3.5ft (1.1m), 8s period with W swell.

The current surf forecast for Kai-Iwi at 5PM is: 0.4m 14s primary swell from a Southwest direction and 0.5m 9s secondary swell from a West direction, 0.4m 10s secondary swell from a West-northwest direction, 0.8m 4s secondary swell from a West-northwest direction (forecast issued at 11:00am August 09). The wind direction is predicted to be cross-offshore.

Time (NZST) & DateWave HeightWave Period
Morning (09 Aug)3.5ft (1.0m)10s
Afternoon (09 Aug)2.5ft (0.8m)10s
Evening (09 Aug)3.5ft (1.1m)8s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Sun morning. Very mild (max 14°C on Mon morning, min 8°C on Mon night). Wind will be generally light.

Sun
9
Monday
10
Tuesday
11
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
9 PM
Rating
(10 max)
1
1
0
1
1
0
0
0
0
0
0
0
2
1
1
1
1
0
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1
W
10
1.2
WNW
10
0.8
W
10
0.4
SW
14
1.1
W
8
1.2
W
7
1.4
W
6
1.5
W
6
1.7
W
7
1.7
W
7
1.7
W
7
1.5
W
7
1.4
W
7
1.2
WSW
7
0.4
SW
14
0.4
SW
14
0.4
SW
14
0.4
SW
13
0.4
SW
13
0.4
SW
13
0.4
SW
19
Wave Graph
Metric surfscale
Energy kJ
204
286
122
53
142
130
143
170
248
248
250
202
176
135
64
51
47
45
44
43
92
Wind (km/h)
20
N
20
NW
15
NW
15
NW
15
NW
15
NNW
20
NW
20
NW
20
WNW
25
WNW
20
W
15
W
0
SSW
5
SSE
5
SSE
5
E
5
ENE
15
ESE
15
SE
10
ESE
10
E
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross
glassy
glassy
glassy
cross-off
cross-off
cross
cross
cross
cross-off
High Tide
6:36AM2.39m
7:29PM2.50m
7:53AM2.49m
8:31PM2.66m
8:55AM2.62m
Low Tide
1:02PM1.11m
1:45AM1.07m
2:14PM0.97m
2:46AM0.90m
3:11PM0.81m
light rain
light rain
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:16
7:15
7:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:35
5:36
5:37
 mm
2
1
1
1
Temp °C
12
13
13
12
10
9
9
10
12
14
13
12
10
10
9
8
9
11
13
11
9
Feels °C
8
10
10
9
7
6
5
6
8
9
8
9
9
9
8
6
7
7
9
8
6
  • 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.


Nearest locationNearest