Kai-Iwi Surf Break

Lat Long: 39.90° S 174.92° E

Kai-Iwi 48 hour detailed Surf Forecast

Issued: 11 am 30 Aug 2026 (local time)

Forecast update in  hr  min

Today's Kai-Iwi sea temperature is
12.0°C
1.0° 

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 (30 Aug):

  • Morning surf: Morning surf (30 Aug, local time) - 10ft (3.0m), 8s period with W swell.
  • Afternoon surf: Afternoon surf (30 Aug, local time) - 11ft (3.5m), 9s period with W swell.
  • Evening surf: Evening surf (30 Aug, local time) - 11ft (3.5m), 9s period with W swell.

The current surf forecast for Kai-Iwi at 2PM is: 3.5m 8s primary swell from a West direction and 0.4m 17s secondary swell from a Southwest direction (forecast issued at 11:00am August 30). The wind direction is predicted to be cross-shore.

Time (NZST) & DateWave HeightWave Period
Morning (30 Aug)10ft (3.0m)8s
Afternoon (30 Aug)11ft (3.5m)9s
Evening (30 Aug)11ft (3.5m)9s

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


Short Range Forecast

Light rain (total 3mm), mostly falling on Mon night. Very mild (max 14°C on Sun morning, min 9°C on Tue morning). Winds decreasing (strong winds from the WNW on Sun afternoon, light winds from the S by Tue morning).

Sun
30
Monday
31
Tuesday
1
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)
0
0
0
1
!
0
0
!
0
0
0
0
0
!
0
!
3
2
0
1
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)
3
W
8
3.5
W
8
3.5
W
9
3
W
9
3.5
W
9
4
W
9
3.5
WSW
9
3.5
WSW
9
3.5
WSW
10
3.5
WSW
10
4
WSW
10
4.5
WSW
10
4.5
WSW
10
4
WSW
10
4
WSW
10
3.5
WSW
9
3
WSW
10
2.4
WSW
10
2.3
WSW
10
2.5
W
9
3
W
8
Wave Graph
Metric surfscale
Energy kJ
1093
1536
1800
1543
1730
2252
2208
2053
2281
2458
3286
4210
3627
3100
2779
2252
1494
1044
920
919
1397
Wind (km/h)
25
WNW
40
W
40
WNW
35
WNW
30
WNW
35
WNW
35
WNW
35
WNW
35
WNW
35
WNW
35
WNW
35
W
35
W
35
W
30
WSW
20
SW
5
S
5
WSW
20
W
30
W
30
WNW
Wind State
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross-on
on
cross-on
cross-on
cross
cross
High Tide
11:34AM2.77m
11:46PM2.86m
12:08PM2.78m
00:21AM2.84m
12:43PM2.75m
Low Tide
5:41PM0.64m
6:03AM0.63m
6:18PM0.68m
6:40AM0.67m
6:56PM0.76m
clear
clear
cloud
clear
part cloud
clear
part cloud
part cloud
clear
clear
cloud
clear
cloud
cloud
rain showers
rain showers
light rain
part cloud
clear
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:47
6:46
6:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:54
5:54
5:55
 mm
1
1
1
Temp °C
13
14
14
13
12
12
12
12
12
14
13
12
11
11
10
10
9
10
12
11
11
Feels °C
8
6
6
7
5
4
4
5
5
7
5
4
3
4
4
5
6
7
7
4
4
  • 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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