Kai-Iwi Surf Break

Lat Long: 39.90° S 174.92° E

Kai-Iwi 48 hour detailed Surf Forecast

Issued: 11 am 22 Sep 2026 (local time)

Forecast update in  hr  min

Today's Kai-Iwi sea temperature is
13.6°C
0.3° 

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 (22 Sep):

  • Morning surf: Morning surf (22 Sep, local time) - 5ft (1.6m), 7s period with W swell.
  • Afternoon surf: Afternoon surf (22 Sep, local time) - 5ft (1.6m), 7s period with W swell.
  • Evening surf: Evening surf (22 Sep, local time) - 5ft (1.6m), 9s period with WSW swell.

The current surf forecast for Kai-Iwi at 8PM is: 1.7m 9s primary swell from a West-southwest direction and 1.2m 7s secondary swell from a South direction, 1.5m 7s secondary swell from a South direction (forecast issued at 11:00am September 22). The wind direction is predicted to be cross-shore.

Time (NZST) & DateWave HeightWave Period
Morning (22 Sep)5ft (1.6m)7s
Afternoon (22 Sep)5ft (1.6m)7s
Evening (22 Sep)5ft (1.6m)9s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Tue morning. Very mild (max 13°C on Tue morning, min 5°C on Wed night). Wind will be generally light.

Tue
22
Wednesday
23
Thursday
24
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
0
0
1
2
0
0
0
0
0
0
3
2
3
3
3
2
1
0
1
2
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)
1.6
W
7
1.6
W
7
1.6
W
7
1.7
WSW
8
1.6
WSW
9
2
WSW
9
2.4
WSW
8
1.8
WSW
8
1.4
WSW
8
0.8
WSW
16
0.9
WSW
16
1.2
WSW
16
1.4
WSW
16
1.4
WSW
16
1.3
WSW
16
1.3
WSW
16
0.9
WSW
16
0.9
SW
16
0.9
SW
16
0.7
SW
16
0.7
SW
15
Wave Graph
Metric surfscale
Energy kJ
236
222
269
432
422
613
707
385
277
322
458
700
1055
1042
904
848
441
358
353
245
236
Wind (km/h)
20
NNW
25
WNW
25
SSW
10
SW
15
WNW
20
W
25
WSW
25
S
20
SSE
20
S
20
SSE
10
E
10
SE
5
NE
5
NE
5
NE
5
N
10
WSW
15
W
15
WNW
10
NNW
Wind State
cross-off
cross
on
cross-on
cross-off
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-off
cross
glassy
glassy
glassy
glassy
cross-on
cross-on
cross
cross-off
High Tide
7:01AM2.19m
7:30PM2.32m
7:56AM2.29m
8:16PM2.44m
8:42AM2.41m
8:55PM2.57m
Low Tide
1:19PM1.19m
1:53AM1.12m
2:10PM1.04m
2:35AM0.96m
2:51PM0.89m
cloud
light rain
cloud
clear
clear
clear
clear
cloud
light rain
rain showers
rain showers
rain showers
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:09
6:07
6:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:15
6:16
6:17
 mm
1
1
1
1
1
Temp °C
13
13
11
10
9
10
11
9
8
8
9
8
7
5
5
5
7
10
11
10
8
Feels °C
9
9
6
7
6
5
5
3
3
3
4
5
4
2
3
3
5
7
7
6
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 

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