The Island (Island Bay) Surf Break

Lat Long: 41.35° S 174.78° E

The Island (Island Bay) 48 hour detailed Surf Forecast

Issued: 11 pm 11 Jul 2026 (local time)

Forecast update in  hr  min

Today's The Island (Island Bay) sea temperature is
12.1° C
0.2° 

The Island (Island Bay) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at The Island (Island Bay) today (12 Jul):

  • Morning surf: Morning surf (12 Jul, local time) - 3ft (0.9m), 12s period with SSW swell.
  • Afternoon surf: Afternoon surf (12 Jul, local time) - 3ft (0.9m), 11s period with SSW swell.
  • Evening surf: Evening surf (12 Jul, local time) - 2.5ft (0.8m), 10s period with S swell.

The current surf forecast for The Island (Island Bay) at 5AM is: 0.9m 13s primary swell from a South-southwest direction and 0.5m 9s secondary swell from a East-southeast direction (forecast issued at 11:00pm July 11). The wind direction is predicted to be glassy and the swell rating is 2.

Time (NZST) & DateWave HeightWave Period
Morning (12 Jul)3ft (0.9m)12s
Afternoon (12 Jul)3ft (0.9m)11s
Evening (12 Jul)2.5ft (0.8m)10s

Table - waves today at The Island (Island Bay). (Swell directed towards the surf break)


Short Range Forecast

Light rain (total 2mm), mostly falling on Mon night. Very mild (max 13°C on Mon night, min 7°C on Sat night). Winds increasing (calm on Sat night, strong winds from the NNW by Mon night).

Sunday
12
Monday
13
Tuesday
14
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
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
Rating
(10 max)
0
1
2
2
2
2
2
0
0
0
0
0
0
0
0
0
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
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
SSW
15
0.8
SSW
15
0.8
SSW
14
0.9
SSW
13
0.9
SSW
12
0.9
SSW
12
0.9
SSW
11
0.8
SSW
10
0.8
S
10
0.7
S
10
0.7
S
10
0.7
S
10
0.4
SSW
13
0.6
S
13
0.6
S
13
0.6
S
13
0.5
S
12
0.4
SSW
12
0.4
SSW
12
0.3
SSW
9
0.3
SSW
9
0.2
ESE
10
0.2
S
9
0.1
S
18
Wave Graph
Metric surfscale
Energy kJ
308
284
254
286
252
220
194
147
141
102
96
92
53
121
119
115
76
47
46
17
16
9
6
6
Wind (km/h)
10
SSE
5
SSE
5
SE
5
NE
10
NNE
10
N
15
N
15
N
20
N
25
N
35
N
35
N
40
N
40
NNW
40
NNW
45
NNW
45
NNW
45
N
50
NNW
50
NNW
45
NNW
45
NNW
45
NNW
40
NNW
Wind State
on
cross-on
glassy
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
High Tide
2:01AM1.65m
2:26PM1.80m
3:01AM1.65m
3:22PM1.83m
4:01AM1.66m
4:20PM1.85m
Low Tide
7:47PM0.58m
8:07AM0.58m
8:44PM0.55m
9:05AM0.55m
9:44PM0.53m
10:06AM0.51m
part cloud
cloud
part cloud
clear
clear
clear
part cloud
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
clear
part cloud
cloud
cloud
light rain
part cloud
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:43
7:43
7:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:07
5:08
5:08
 mm
2
Temp °C
9
8
8
7
7
9
10
9
8
8
9
9
10
11
12
12
12
12
13
12
13
13
13
13
Feels °C
6
6
6
4
4
6
6
5
3
2
2
2
2
3
4
4
4
3
4
3
6
6
5
6
  • 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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