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 14 Sep 2026 (local time)

Forecast update in  hr  min

Today's The Island (Island Bay) sea temperature is
13.0°C
1.0° 

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 (14 Sep):

  • Morning surf: Morning surf (14 Sep, local time) - 6ft (1.8m), 12s period with S swell.
  • Afternoon surf: Afternoon surf (14 Sep, local time) - 5ft (1.6m), 11s period with S swell.
  • Evening surf: Evening surf (14 Sep, local time) - 5ft (1.5m), 11s period with S swell.

The current surf forecast for The Island (Island Bay) at 8AM is: 1.8m 12s primary swell from a South direction (forecast issued at 05:00am September 14). The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (NZST) & DateWave HeightWave Period
Morning (14 Sep)6ft (1.8m)12s
Afternoon (14 Sep)5ft (1.6m)11s
Evening (14 Sep)5ft (1.5m)11s

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 10°C on Mon night). Winds increasing (light winds from the N on Mon morning, near gales from the NNW by Wed morning).

Monday
14
Tuesday
15
Wednesday
16
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
3
3
3
3
3
2
1
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
Wave
Height (m)
Direction
Period (s)
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
1.1
S
11
1.1
S
9
1.2
S
10
0.8
SSW
10
0.9
SSE
9
0.7
S
9
0.7
SSE
9
0.5
SSE
9
0.5
S
8
0.4
SSW
9
0.4
SSW
9
0.3
SSW
9
0.3
SE
10
0.3
SE
11
0.3
SE
11
0.3
SE
11
Wave Graph
Metric surfscale
Energy kJ
1066
997
911
786
655
536
505
275
203
271
131
132
85
65
42
37
27
25
17
17
18
18
18
Wind (km/h)
10
NNE
10
NNE
10
N
10
NNW
10
NNW
10
N
15
N
20
N
25
N
25
N
30
N
35
N
35
N
35
N
45
N
45
N
45
NNW
50
NNW
50
NNW
55
NNW
50
NW
45
NNW
40
NNW
Wind State
cross-off
cross-off
cross-off
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
off
off
off
High Tide
7:04AM1.62m
7:30PM1.60m
7:56AM1.64m
8:22PM1.59m
8:44AM1.64m
Low Tide
00:56AM0.64m
1:21PM0.59m
1:46AM0.67m
2:16PM0.63m
2:35AM0.69m
3:10PM0.66m
part cloud
clear
clear
clear
part cloud
clear
clear
clear
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
part cloud
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:24
6:22
6:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:07
6:08
6:09
 mm
Temp °C
10
10
11
12
13
12
11
10
10
10
11
12
13
12
12
12
12
12
13
13
13
13
13
Feels °C
7
7
9
10
11
10
8
6
6
5
6
6
7
6
5
4
4
3
3
3
4
4
5
  • 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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