Kai-Iwi Surf Break

Lat Long: 39.90° S 174.92° E

Kai-Iwi 48 hour detailed Surf Forecast

Issued: 11 pm 30 Aug 2026 (local time)

Forecast update in  hr  min

Today's Kai-Iwi sea temperature is
12.2°C
0.9° 

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 (31 Aug):

  • Morning surf: Morning surf (31 Aug, local time) - 11ft (3.5m), 10s period with WSW swell.
  • Afternoon surf: Afternoon surf (31 Aug, local time) - 13ft (4.0m), 10s period with WSW swell.
  • Evening surf: Evening surf (31 Aug, local time) - 13ft (4.0m), 10s period with WSW swell.

The current surf forecast for Kai-Iwi at 3AM is: 4.0m 10s primary swell from a West-southwest direction and 0.2m 16s secondary swell from a South direction (forecast issued at 11:00pm August 30). The wind direction is predicted to be cross-shore.

Time (NZST) & DateWave HeightWave Period
Morning (31 Aug)11ft (3.5m)10s
Afternoon (31 Aug)13ft (4.0m)10s
Evening (31 Aug)13ft (4.0m)10s

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


Short Range Forecast

Light rain (total 4mm), mostly falling on Mon night. Very mild (max 15°C on Wed afternoon, min 10°C on Mon night). Winds decreasing (strong winds from the WNW on Mon afternoon, light winds from the W by Tue morning).

Monday
31
Tuesday
1
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
0
0
0
!
0
0
2
2
0
1
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
3.5
W
9
4
W
10
4
WSW
10
3.5
WSW
10
3.5
WSW
10
3.5
WSW
10
4
WSW
10
4.5
WSW
10
4
WSW
10
4
WSW
10
3.5
WSW
10
3
WSW
10
2.5
WSW
10
2.3
WSW
10
2.2
WSW
10
2.2
W
9
3
W
8
Wave Graph
Metric surfscale
Energy kJ
2003
2918
3286
2575
2488
2360
2849
3715
3380
2767
2322
1730
1378
1066
917
836
1352
Wind (km/h)
35
WNW
40
WNW
40
WNW
35
WNW
35
WNW
40
WNW
40
WNW
40
W
35
W
30
WSW
25
WSW
15
WSW
10
W
20
WSW
20
W
30
W
30
WNW
Wind State
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
High Tide
11:46PM2.86m
12:08PM2.78m
00:21AM2.84m
12:43PM2.75m
Low Tide
6:03AM0.63m
6:18PM0.68m
6:40AM0.67m
6:56PM0.76m
part cloud
clear
clear
clear
clear
clear
part cloud
clear
cloud
rain showers
rain showers
rain showers
light rain
clear
clear
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:46
6:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:54
5:55
 mm
1
1
1
1
Temp °C
13
12
12
12
12
14
13
11
11
11
10
10
11
12
12
11
12
Feels °C
6
4
4
5
4
6
5
3
4
5
4
6
7
7
6
4
5
  • 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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