Kai-Iwi Surf Break

Lat Long: 39.90° S 174.92° E

Kai-Iwi 48 hour detailed Surf Forecast

Issued: 5 pm 11 Aug 2026 (local time)

Forecast update in  hr  min

Today's Kai-Iwi sea temperature is
11.9° 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 (11 Aug):

  • Afternoon surf: Afternoon surf (11 Aug, local time) - 2.5ft (0.7m), 8s period with S swell.
  • Evening surf: Evening surf (11 Aug, local time) - 1ft (0.3m), 19s period with SW swell.

The current surf forecast for Kai-Iwi at 10PM is: 0.3m 19s primary swell from a Southwest direction and 0.4m 8s secondary swell from a South-southwest direction, 0.4m 3s secondary swell from a East-southeast direction (forecast issued at 05:00pm August 11). The wind direction is predicted to be cross-offshore.

Time (NZST) & DateWave HeightWave Period
Morning (11 Aug)--
Afternoon (11 Aug)2.5ft (0.7m)8s
Evening (11 Aug)1ft (0.3m)19s

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


Short Range Forecast

Mostly dry. Very mild (max 17°C on Thu afternoon, min 9°C on Tue night). Wind will be generally light.

Tue
11
Wednesday
12
Thursday
13
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)
0
0
1
0
1
1
1
1
0
1
1
1
1
1
1
1
2
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
S
8
0.4
SW
13
0.3
SW
19
0.2
WSW
18
0.3
SW
18
0.4
SW
18
0.4
SW
17
0.4
SW
16
0.2
WSW
16
0.4
WSW
13
0.5
W
12
0.6
W
11
0.7
W
11
0.7
W
11
0.7
W
10
0.5
WSW
14
0.8
WSW
13
1.1
W
12
1
W
11
Wave Graph
Metric surfscale
Energy kJ
55
45
57
32
49
78
74
66
25
55
72
94
114
108
100
104
218
339
248
Wind (km/h)
15
SE
15
ESE
15
E
10
ENE
10
ENE
5
NE
5
ENE
5
ENE
5
SE
0
N
5
NNE
5
N
10
NE
10
NE
10
NE
10
NNW
10
NW
5
NE
5
NNE
Wind State
cross
cross
cross-off
cross-off
cross-off
off
cross-off
cross-off
glassy
glassy
glassy
glassy
cross-off
cross-off
off
cross-off
cross-off
glassy
off
High Tide
9:23PM2.81m
9:48AM2.73m
10:12PM2.92m
10:35AM2.81m
Low Tide
3:11PM0.81m
3:38AM0.75m
4:00PM0.67m
4:25AM0.64m
4:45PM0.59m
clear
clear
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
clear
part cloud
part cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:11
7:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:37
5:37
5:38
 mm
Temp °C
13
11
9
9
9
9
10
14
16
14
13
11
10
11
12
16
17
15
13
Feels °C
9
8
6
6
6
7
8
12
14
13
12
10
8
9
10
14
15
14
12
  • 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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