Kai-Iwi Surf Break

Lat Long: 39.90° S 174.92° E

Kai-Iwi 48 hour detailed Surf Forecast

Issued: 5 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 (0.7m), 10s period with W swell.
  • Evening surf: Evening surf (09 Aug, local time) - 3.5ft (1.1m), 9s period with W swell.

The current surf forecast for Kai-Iwi at 9AM is: 1.0m 10s primary swell from a West direction and 0.4m 19s secondary swell from a Southwest direction (forecast issued at 05:00am August 09). An open ocean swell of 0.9m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (NZST) & DateWave HeightWave Period
Morning (09 Aug)3.5ft (1.0m)10s
Afternoon (09 Aug)2.5ft (0.7m)10s
Evening (09 Aug)3.5ft (1.1m)9s

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


Short Range Forecast

Light rain (total 8mm), mostly falling on Sun morning. Very mild (max 13°C on Sun afternoon, min 8°C on Mon night). Wind will be generally light.

Sunday
9
Monday
10
Tuesday
11
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
9 PM
Rating
(10 max)
2
2
2
1
1
1
2
0
0
0
1
0
0
1
1
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
Height Map
Wave
Height (m)
Direction
Period (s)
1
WNW
9
1.2
W
11
1
W
10
0.9
WNW
10
0.7
W
10
0.4
SW
14
1.1
W
9
1.2
W
7
1.3
W
6
1.4
W
6
1.6
W
6
1.7
W
7
1.6
W
6
1.4
W
7
1.3
W
7
1.1
W
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
173
319
204
163
94
52
181
134
119
144
206
250
209
171
152
107
66
51
47
45
44
43
92
Wind (km/h)
15
NNE
25
NE
15
N
10
NNW
15
NW
15
NW
15
NNW
15
NNW
15
NW
20
NW
20
WNW
25
WNW
20
W
15
W
0
WNW
5
SE
5
SE
5
E
5
ENE
15
SE
10
SSE
10
SE
10
E
Wind State
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
glassy
glassy
glassy
cross-off
glassy
cross
cross-on
cross
cross-off
High Tide
6:36AM2.39m
7:29PM2.50m
7:53AM2.49m
8:31PM2.66m
8:55AM2.62m
Low Tide
00:24AM1.19m
1:02PM1.11m
1:45AM1.07m
2:14PM0.97m
2:46AM0.90m
3:11PM0.81m
cloud
part cloud
light rain
rain showers
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
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
4
3
1
Temp °C
11
12
11
12
13
12
10
9
9
10
11
13
13
11
10
10
9
8
9
11
13
11
10
Feels °C
7
7
8
10
11
10
7
6
5
6
7
8
8
8
9
9
8
6
7
8
10
8
7
  • 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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