Kai-Iwi Surf Break

Lat Long: 39.90° S 174.92° E

Kai-Iwi 48 hour detailed Surf Forecast

Issued: 11 am 02 Aug 2026 (local time)

Forecast update in  hr  min

Today's Kai-Iwi sea temperature is
12.0° C
1.4° 

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 (02 Aug):

  • Morning surf: Morning surf (02 Aug, local time) - 2.5ft (0.7m), 11s period with S swell.
  • Afternoon surf: Afternoon surf (02 Aug, local time) - 1.5ft (0.5m), 11s period with S swell.
  • Evening surf: Evening surf (02 Aug, local time) - 2ft (0.6m), 7s period with W swell.

The current surf forecast for Kai-Iwi at 8PM is: 0.4m 10s primary swell from a South-southwest direction and 0.6m 7s secondary swell from a West direction (forecast issued at 11:00am August 02). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (NZST) & DateWave HeightWave Period
Morning (02 Aug)2.5ft (0.7m)11s
Afternoon (02 Aug)1.5ft (0.5m)11s
Evening (02 Aug)2ft (0.6m)7s

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


Short Range Forecast

Some drizzle, heaviest during Tue morning. Very mild (max 13°C on Mon morning, min 6°C on Sun morning). Winds increasing (light winds from the NW on Sun afternoon, strong winds from the S by Tue night).

Sun
2
Monday
3
Tuesday
4
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
0
1
0
0
1
0
0
0
0
1
!
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
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
S
11
0.6
S
11
0.5
S
11
0.5
S
11
0.6
W
7
1.3
W
5
2.4
W
7
3
W
8
3
W
8
3
W
8
2.5
W
8
3
W
8
3.5
WSW
8
3
WSW
8
2.5
WSW
8
2.2
WSW
8
2.4
S
7
3
S
8
3
S
8
3
S
8
3
S
8
Wave Graph
Metric surfscale
Energy kJ
119
86
59
57
34
88
602
1057
1237
1158
1018
1397
1449
1145
956
645
523
1087
1418
913
929
Wind (km/h)
10
NNE
10
WNW
10
W
10
NW
15
NNW
20
NW
30
NW
35
WNW
35
WNW
35
WNW
35
W
35
WNW
30
W
25
W
25
W
30
S
30
SSE
30
S
35
SSE
35
SSE
40
S
Wind State
off
cross-off
cross-on
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross
cross
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
12:35PM2.68m
00:48AM2.78m
1:11PM2.65m
1:24AM2.73m
1:50PM2.60m
Low Tide
6:31AM0.78m
6:44PM0.79m
7:08AM0.80m
7:22PM0.85m
7:47AM0.84m
8:04PM0.93m
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
light rain
part cloud
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:24
7:22
7:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:29
5:30
5:30
 mm
1
Temp °C
6
11
12
9
8
9
11
12
12
13
13
12
12
12
12
9
7
7
7
7
8
Feels °C
3
8
9
6
4
4
5
5
5
6
6
5
6
7
7
2
-1
-1
-2
-2
-2
  • 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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