Kai-Iwi Surf Break

Lat Long: 39.90° S 174.92° E

Kai-Iwi 48 hour detailed Surf Forecast

Issued: 5 pm 12 Aug 2026 (local time)

Forecast update in  hr  min

Today's Kai-Iwi sea temperature is
11.8° C
1.5° 

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 (13 Aug):

  • Morning surf: Morning surf (13 Aug, local time) - 2.5ft (0.7m), 10s period with W swell.
  • Afternoon surf: Afternoon surf (13 Aug, local time) - 2.5ft (0.8m), 13s period with WSW swell.
  • Evening surf: Evening surf (13 Aug, local time) - 3.5ft (1.0m), 11s period with W swell.

The current surf forecast for Kai-Iwi at 2AM is: 0.6m 11s primary swell from a West direction and 0.1m 19s secondary swell from a Southwest direction (forecast issued at 05:00pm August 12). An open ocean swell of 0.1m 9s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (NZST) & DateWave HeightWave Period
Morning (13 Aug)2.5ft (0.7m)10s
Afternoon (13 Aug)2.5ft (0.8m)13s
Evening (13 Aug)3.5ft (1.0m)11s

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


Short Range Forecast

Light rain (total 4mm), mostly falling on Wed night. Very mild (max 17°C on Wed afternoon, min 10°C on Wed night). Wind will be generally light.

Wed
12
Thursday
13
Friday
14
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
1
1
1
1
1
1
1
2
2
2
2
2
2
1
0
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)
0.2
WSW
16
0.4
WSW
13
0.5
W
12
0.6
W
11
0.6
W
11
0.7
W
11
0.7
W
10
0.7
W
10
0.8
WSW
13
1.1
W
12
1
W
11
1
W
11
1
W
11
0.9
W
10
0.9
W
10
0.8
W
10
0.7
W
9
0.4
SW
18
0.4
SW
16
Wave Graph
Metric surfscale
Energy kJ
25
55
75
94
84
108
100
102
218
339
253
235
231
174
161
122
83
84
63
Wind (km/h)
5
SE
10
E
0
NNW
0
ENE
10
ENE
5
ENE
5
ENE
10
NNE
0
NNW
5
ESE
5
NNE
5
N
5
NE
5
ENE
5
E
10
SE
10
S
5
S
0
SSW
Wind State
cross
cross-off
glassy
glassy
cross-off
glassy
glassy
off
glassy
glassy
glassy
glassy
glassy
glassy
glassy
cross-on
cross-on
cross-on
glassy
High Tide
10:12PM2.92m
10:35AM2.81m
10:56PM2.97m
11:18AM2.84m
Low Tide
4:00PM0.67m
4:25AM0.64m
4:45PM0.59m
5:10AM0.58m
5:28PM0.57m
cloud
cloud
cloud
light rain
light rain
light rain
cloud
clear
part cloud
light rain
cloud
cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:11
7:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:37
5:38
5:39
 mm
1
1
1
1
Temp °C
17
14
12
11
10
10
11
14
16
14
13
12
11
11
11
14
14
12
12
Feels °C
15
11
11
10
8
9
10
13
16
14
13
11
10
10
10
12
12
11
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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