Kai-Iwi Surf Break

Lat Long: 39.90° S 174.92° E

Kai-Iwi 48 hour detailed Surf Forecast

Issued: 5 am 05 Sep 2026 (local time)

Forecast update in  hr  min

Today's Kai-Iwi sea temperature is
13.0°C
0.1° 

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 (05 Sep):

  • Morning surf: Morning surf (05 Sep, local time) - 10ft (3.0m), 8s period with W swell.
  • Afternoon surf: Afternoon surf (05 Sep, local time) - 5ft (1.5m), 15s period with WSW swell.
  • Evening surf: Evening surf (05 Sep, local time) - 4.5ft (1.4m), 14s period with WSW swell.

The current surf forecast for Kai-Iwi at 10AM is: 3.0m 8s primary swell from a West direction and 0.9m 15s secondary swell from a Southwest direction (forecast issued at 05:00am September 05). The wind direction is predicted to be cross-shore.

Time (NZST) & DateWave HeightWave Period
Morning (05 Sep)10ft (3.0m)8s
Afternoon (05 Sep)5ft (1.5m)15s
Evening (05 Sep)4.5ft (1.4m)14s

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


Short Range Forecast

Heavy rain (total 21mm), heaviest during Mon morning. Very mild (max 17°C on Sun morning, min 9°C on Mon night). Winds decreasing (fresh winds from the WNW on Sat morning, calm by Mon night).

Saturday
5
Sunday
6
Monday
7
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
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
1
1
1
0
0
1
2
1
3
3
3
3
2
2
2
3
2
1
1
3
1
1
1
Swell
Height Map
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
9
3
W
9
3
W
8
2.5
W
8
1.5
WSW
15
1.5
WSW
14
1.4
WSW
14
1.3
WSW
14
1.3
WSW
15
1.3
WSW
16
1.9
W
17
1.2
WSW
17
1.2
WSW
17
2.1
WNW
8
2.1
WNW
8
2.2
WNW
8
1.6
W
9
1.4
W
9
1.4
W
9
1.7
WNW
9
1.5
W
10
1.6
SSW
7
1.8
S
7
Wave Graph
Metric surfscale
Energy kJ
1603
1586
1176
747
911
899
785
701
760
864
1999
771
762
507
608
657
407
318
325
443
417
244
348
Wind (km/h)
30
WNW
30
WNW
30
WNW
30
WNW
30
WNW
25
WNW
20
NW
25
NW
25
NW
20
NW
20
NNW
20
NW
20
NW
30
NNW
25
NNW
25
NNW
20
NNW
20
NNW
10
SW
5
N
10
ESE
20
ESE
15
ESE
Wind State
cross
cross
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-on
cross-off
cross
cross-off
cross
High Tide
3:37AM2.39m
4:25PM2.36m
5:07AM2.32m
6:03PM2.38m
6:34AM2.36m
7:19PM2.50m
Low Tide
9:57AM1.15m
10:50PM1.22m
11:25AM1.21m
00:20AM1.19m
12:55PM1.13m
clear
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
clear
cloud
cloud
cloud
light rain
light rain
mod rain
light rain
light rain
light rain
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:37
6:35
6:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:00
6:00
6:01
 mm
1
1
8
1
5
5
Temp °C
12
11
13
14
14
13
11
11
11
12
13
17
17
14
14
15
15
15
12
13
12
11
10
Feels °C
6
5
7
8
8
7
6
6
6
8
9
12
12
8
9
11
12
13
10
12
11
8
7
  • 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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