Kai-Iwi Surf Break

Lat Long: 39.90° S 174.92° E

Kai-Iwi 48 hour detailed Surf Forecast

Issued: 11 am 30 Jul 2026 (local time)

Forecast update in  hr  min

Today's Kai-Iwi sea temperature is
12.2° C
1.3° 

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 (30 Jul):

  • Morning surf: Morning surf (30 Jul, local time) - 1.5ft (0.5m), 14s period with SW swell.
  • Afternoon surf: Afternoon surf (30 Jul, local time) - 1.5ft (0.4m), 14s period with SW swell.
  • Evening surf: Evening surf (30 Jul, local time) - 1ft (0.3m), 16s period with SW swell.

The current surf forecast for Kai-Iwi at 4PM is: 0.4m 14s primary swell from a Southwest direction and 0.2m 17s secondary swell from a West-southwest direction (forecast issued at 11:00am July 30). An open ocean swell of 0.9m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (NZST) & DateWave HeightWave Period
Morning (30 Jul)1.5ft (0.5m)14s
Afternoon (30 Jul)1.5ft (0.4m)14s
Evening (30 Jul)1ft (0.3m)16s

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


Short Range Forecast

Moderate rain (total 16mm), heaviest on Thu night. Very mild (max 14°C on Thu morning, min 5°C on Sat night). Winds decreasing (fresh winds from the WNW on Fri afternoon, light winds from the NE by Sat night).

Thu
30
Friday
31
Saturday
1
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)
0
0
0
0
0
0
2
2
1
1
0
!
!
!
1
0
3
2
1
2
3
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)
0.5
SW
14
0.4
SW
14
0.4
SW
14
0.4
SW
14
0.3
SW
16
1.4
NW
8
2.1
W
9
2.3
W
10
2.5
W
9
3
W
9
3.5
W
9
3.5
W
9
4
W
10
3.5
WSW
10
3
WSW
13
2.2
WSW
13
1.8
WSW
13
2.3
S
9
1.9
S
9
1.5
S
10
1.3
S
12
Wave Graph
Metric surfscale
Energy kJ
91
46
46
47
39
210
780
1034
1007
1337
1802
2415
2670
2474
2684
1624
1028
798
614
458
522
Wind (km/h)
15
N
20
NNW
25
NNW
25
N
25
N
25
N
20
NW
25
NW
30
NW
35
WNW
35
WNW
35
WNW
30
W
25
WNW
20
S
30
SSE
15
ESE
15
SSE
10
SSE
5
SSE
5
NE
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross
cross-on
cross-on
cross
cross-on
cross-on
cross-on
off
High Tide
10:52AM2.63m
11:06PM2.77m
11:26AM2.68m
11:40PM2.81m
12:00PM2.69m
Low Tide
4:59PM0.81m
5:19AM0.83m
5:33PM0.77m
5:54AM0.79m
6:08PM0.76m
clear
part cloud
clear
cloud
part cloud
light rain
light rain
light rain
rain showers
rain showers
rain showers
light rain
rain showers
light rain
light rain
light rain
cloud
clear
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:26
7:26
7:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:25
5:27
5:28
 mm
2
4
1
1
1
1
1
1
1
2
1
Temp °C
9
14
13
12
13
12
11
10
11
11
11
11
10
10
7
7
7
9
9
8
6
Feels °C
5
9
8
7
8
7
7
5
5
4
3
3
3
4
2
0
3
5
5
5
3
  • 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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