The Island (Island Bay) Surf Break

Lat Long: 41.35° S 174.78° E

The Island (Island Bay) 48 hour detailed Surf Forecast

Issued: 5 am 13 Sep 2026 (local time)

Forecast update in  hr  min

Today's The Island (Island Bay) sea temperature is
13.3°C
1.3° 

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 (13 Sep):

  • Morning surf: Morning surf (13 Sep, local time) - 6ft (1.8m), 13s period with S swell.
  • Afternoon surf: Afternoon surf (13 Sep, local time) - 5.5ft (1.7m), 12s period with S swell.
  • Evening surf: Evening surf (13 Sep, local time) - 7ft (2.2m), 12s period with S swell.

The current surf forecast for The Island (Island Bay) at 10AM is: 1.8m 13s primary swell from a South direction (forecast issued at 05:00am September 13). An open ocean swell of 0.3m 6s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (NZST) & DateWave HeightWave Period
Morning (13 Sep)6ft (1.8m)13s
Afternoon (13 Sep)5.5ft (1.7m)12s
Evening (13 Sep)7ft (2.2m)12s

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


Short Range Forecast

Mostly dry. Very mild (max 13°C on Mon afternoon, min 9°C on Sun night). Winds increasing (light winds from the WSW on Sun morning, strong winds from the NNW by Tue night).

Sunday
13
Monday
14
Tuesday
15
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
9 PM
Rating
(10 max)
4
4
4
0
0
1
2
3
4
3
3
3
2
3
2
2
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
Wave
Height (m)
Direction
Period (s)
2.4
SSW
13
2
S
13
1.8
S
13
1.7
S
12
1.7
S
12
2.1
S
12
2.2
S
12
2.1
S
12
2
S
12
1.9
S
12
1.8
S
12
1.7
S
12
1.6
S
11
1.5
S
11
1.5
S
11
1.3
S
10
1.1
S
9
1.2
S
10
0.8
SSW
10
0.8
SSE
9
0.9
S
9
0.8
S
9
0.5
S
9
Wave Graph
Metric surfscale
Energy kJ
1808
1336
1070
870
883
1236
1288
1154
1066
997
911
786
655
526
507
358
198
271
131
103
130
99
44
Wind (km/h)
10
N
5
NNW
5
WSW
15
SSE
20
SSE
15
SE
15
ESE
5
E
5
NE
10
N
10
NNW
15
NNW
15
NNW
15
N
15
N
20
N
25
N
30
N
30
N
35
N
35
N
35
N
45
N
Wind State
cross-off
off
cross-off
on
on
on
on
cross-on
cross-off
cross-off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
6:10AM1.60m
6:35PM1.62m
7:04AM1.62m
7:30PM1.60m
7:56AM1.64m
8:22PM1.59m
Low Tide
00:02AM0.62m
12:25PM0.55m
00:56AM0.64m
1:21PM0.59m
1:46AM0.67m
2:16PM0.63m
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:26
6:24
6:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:07
6:07
6:08
 mm
Temp °C
10
9
11
12
11
10
9
10
10
11
11
12
13
12
11
11
10
10
11
12
13
12
12
Feels °C
7
7
9
7
6
6
5
8
8
9
8
9
10
10
8
7
5
5
6
6
7
6
4
  • 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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