Surf Break

Lat Long: 39.90° S 174.92° E

Kai-Iwi 48 hour detailed Surf Forecast

Issued: 6 am 27 Sep 2026 (local time)

Forecast update in  hr  min

Today's Kai-Iwi sea temperature is
13.6°C
0.2° 

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 (27 Sep):

  • Morning surf: Morning surf (27 Sep, local time) - 8ft (2.5m), 8s period with W swell.
  • Afternoon surf: Afternoon surf (27 Sep, local time) - 13ft (4.0m), 10s period with WSW swell.
  • Evening surf: Evening surf (27 Sep, local time) - 11ft (3.5m), 10s period with WSW swell.

The current surf forecast for Kai-Iwi at 12PM is: 3.5m 9s primary swell from a West direction and 0.1m 10s secondary swell from a South direction (forecast issued at 06:00am September 27). The wind direction is predicted to be cross-offshore and the swell rating is 11.

Time (NZDT) & DateWave HeightWave Period
Morning (27 Sep)8ft (2.5m)8s
Afternoon (27 Sep)13ft (4.0m)10s
Evening (27 Sep)11ft (3.5m)10s

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


Short Range Forecast

Light rain (total 7mm), mostly falling on Sun afternoon. Very mild (max 14°C on Sun morning, min 9°C on Sun night). Mainly strong winds.

Sunday
27
Monday
28
Tuesday
29
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
1
1
1
0
0
0
0
4
1
1
!
!
!
1
0
0
1
0
0
0
1
1
2
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)
2.3
W
8
2.4
W
8
3
W
8
3.5
W
9
4
WSW
10
3.5
WSW
10
3
WSW
10
2.5
WSW
10
2.3
WSW
10
3
W
10
3.5
W
9
3.5
W
9
3.5
W
9
3
W
8
3
W
8
2.5
W
8
2.4
WSW
8
1.9
WSW
8
1.6
WSW
8
1.4
WSW
9
1.2
W
9
0.7
S
16
0.7
S
15
Wave Graph
Metric surfscale
Energy kJ
664
710
1004
2038
3318
2495
1775
1348
1124
1680
1876
1834
1616
1364
1114
923
644
438
385
311
220
248
229
Wind (km/h)
25
NW
30
NW
35
NW
40
WNW
35
W
30
W
25
WSW
5
NW
20
WNW
30
W
30
WNW
35
WNW
35
WNW
30
WNW
30
WNW
25
W
20
W
15
W
10
WSW
10
WSW
10
SW
5
WSW
10
N
Wind State
cross-off
cross-off
cross-off
cross
cross
cross-on
cross-on
cross-off
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-off
High Tide
11:31AM2.76m
11:43PM2.85m
12:06PM2.82m
00:19AM2.86m
12:42PM2.84m
Low Tide
5:22AM0.58m
5:39PM0.59m
5:58AM0.54m
6:15PM0.58m
6:36AM0.55m
6:54PM0.62m
light rain
cloud
light rain
light rain
light rain
part cloud
rain showers
cloud
clear
clear
clear
clear
cloud
part cloud
clear
part cloud
rain showers
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
8:03
—
—
—
—
—
—
—
7:01
—
—
—
—
—
—
6:58
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
8:20
—
—
—
—
—
—
—
7:21
—
—
—
—
—
—
—
7:22
—
 mm
1
—
1
1
3
—
1
—
—
—
—
—
—
—
—
—
1
—
—
—
—
—
—
Temp °C
14
14
14
14
10
10
9
9
9
10
12
13
13
11
11
11
11
11
12
13
14
12
9
Feels °C
10
9
8
7
2
2
3
7
4
3
5
5
5
4
4
5
6
8
9
10
11
10
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 

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