Surf Break

Lat Long: 39.90° S 174.92° E

Kai-Iwi 48 hour detailed Surf Forecast

Issued: 6 am 18 Oct 2026 (local time)

Forecast update in  hr  min

Today's Kai-Iwi sea temperature is
14.9°C
1.1° 

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 (18 Oct):

  • Morning surf: Morning surf (18 Oct, local time) - 1.5ft (0.5m), 6s period with W swell.
  • Afternoon surf: Afternoon surf (18 Oct, local time) - 1.5ft (0.5m), 13s period with S swell.
  • Evening surf: Evening surf (18 Oct, local time) - 1.5ft (0.5m), 13s period with S swell.

The current surf forecast for Kai-Iwi at 2PM is: 0.6m 13s primary swell from a South direction and 0.4m 6s secondary swell from a West direction, 0.3m 4s secondary swell from a South-southwest direction (forecast issued at 06:00am October 18). The wind direction is predicted to be onshore.

Time (NZDT) & DateWave HeightWave Period
Morning (18 Oct)1.5ft (0.5m)6s
Afternoon (18 Oct)1.5ft (0.5m)13s
Evening (18 Oct)1.5ft (0.5m)13s

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


Short Range Forecast

Mostly dry. Very mild (max 17°C on Mon morning, min 8°C on Sun night). Wind will be generally light.

Sunday
18
Monday
19
Tuesday
20
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
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
0
0
0
0
0
0
1
1
1
1
1
0
0
0
2
2
1
1
0
0
0
0
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)
0.4
S
9
0.4
W
6
0.4
S
9
0.6
S
13
0.5
S
13
0.5
S
13
0.5
S
13
0.5
S
13
0.5
S
13
0.5
S
13
0.5
S
13
0.5
S
13
1.3
W
5
1.3
W
8
1.2
W
8
1.1
W
8
0.9
WSW
8
0.8
WSW
7
0.4
SSW
13
0.4
SW
13
0.4
SW
13
0.4
SW
13
0.4
SW
12
Wave Graph
Metric surfscale
Energy kJ
24
13
23
130
89
86
87
92
90
89
90
92
94
203
181
149
96
71
57
44
43
41
39
Wind (km/h)
10
S
5
ESE
5
S
10
SSW
10
SSW
5
SW
5
N
5
N
10
N
10
N
10
NW
15
W
25
WNW
20
WNW
10
NNW
5
ENE
10
NE
5
ENE
10
SE
15
S
15
SSW
10
WSW
10
NW
Wind State
cross-on
glassy
cross-on
on
on
on
glassy
off
off
off
cross-off
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-on
on
on
cross-on
cross-off
High Tide
3:45AM2.22m
4:12PM2.27m
4:55AM2.15m
5:25PM2.22m
6:04AM2.13m
6:36PM2.23m
Low Tide
9:55AM1.21m
10:40PM1.29m
11:00AM1.27m
11:49PM1.29m
12:15PM1.26m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:30
—
—
—
—
—
—
—
6:28
—
—
—
—
—
—
—
6:26
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
7:42
—
—
—
—
—
—
—
7:43
—
—
—
—
—
—
—
7:44
—
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Temp °C
9
7
10
11
12
11
9
8
8
8
12
17
16
13
10
10
9
8
12
17
15
13
11
Feels °C
6
5
8
8
10
10
8
6
6
6
10
14
12
10
8
9
7
6
10
14
12
12
9
  • 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.


Nearest locationNearest