Kai-Iwi Surf Break

Lat Long: 39.90° S 174.92° E

Kai-Iwi 48 hour detailed Surf Forecast

Issued: 5 pm 16 Aug 2026 (local time)

Forecast update in  hr  min

Today's Kai-Iwi sea temperature is
12.1° C
1.2° 

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 (16 Aug):

  • Afternoon surf: Afternoon surf (16 Aug, local time) - 10ft (3.0m), 9s period with S swell.
  • Evening surf: Evening surf (16 Aug, local time) - 8ft (2.4m), 9s period with S swell.

The current surf forecast for Kai-Iwi at 11PM is: 2.3m 9s primary swell from a South direction and 0.9m 15s secondary swell from a West-southwest direction, 0.1m 16s secondary swell from a South direction (forecast issued at 05:00pm August 16). The wind direction is predicted to be cross-onshore.

Time (NZST) & DateWave HeightWave Period
Morning (16 Aug)--
Afternoon (16 Aug)10ft (3.0m)9s
Evening (16 Aug)8ft (2.4m)9s

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


Short Range Forecast

Light rain (total 6mm), mostly falling on Sun afternoon. Very mild (max 12°C on Tue morning, min 6°C on Sun afternoon). Winds increasing (light winds from the SSW on Mon night, strong winds from the S by Tue night).

Sun
16
Monday
17
Tuesday
18
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
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
3
S
9
3
S
9
2.4
S
9
2.3
S
9
2
S
8
2
S
8
0.9
WSW
15
1.3
S
7
0.6
WSW
15
0.5
SW
15
0.5
SW
14
0.5
SW
14
0.5
SW
14
0.5
SW
14
0.4
SW
14
1.2
S
5
1.5
SSW
6
1.9
S
7
4
S
9
Wave Graph
Metric surfscale
Energy kJ
1350
1224
881
769
516
478
348
176
144
104
103
102
100
99
50
80
165
338
2323
Wind (km/h)
25
SE
20
SE
25
SE
20
SE
15
SE
20
SSE
15
SSE
15
S
15
S
15
SSW
10
SSW
10
SSW
5
SSW
10
SSW
20
SSW
20
S
15
SW
30
S
40
S
Wind State
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
on
on
on
cross-on
High Tide
12:38PM2.75m
00:55AM2.77m
1:16PM2.65m
1:32AM2.63m
1:54PM2.53m
Low Tide
6:48PM0.71m
7:14AM0.73m
7:28PM0.84m
7:53AM0.85m
8:10PM0.99m
light rain
light rain
light rain
cloud
cloud
clear
clear
clear
part cloud
clear
clear
clear
cloud
cloud
cloud
clear
clear
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:05
7:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:42
5:43
5:43
 mm
2
3
1
Temp °C
7
6
7
7
6
6
7
9
9
8
7
7
7
8
10
12
11
9
9
Feels °C
1
1
1
1
1
0
2
5
4
3
3
4
4
5
5
7
7
2
0
  • 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 

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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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