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 24 Sep 2026 (local time)

Forecast update in  hr  min

Today's The Island (Island Bay) sea temperature is
13.6°C
1.4° 

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 (25 Sep):

  • Morning surf: Morning surf (25 Sep, local time) - 3.5ft (1.0m), 9s period with S swell.
  • Afternoon surf: Afternoon surf (25 Sep, local time) - 3.5ft (1.1m), 13s period with S swell.
  • Evening surf: Evening surf (25 Sep, local time) - 3ft (0.9m), 13s period with SSW swell.

The current surf forecast for The Island (Island Bay) at 7AM is: 0.6m 14s primary swell from a South-southwest direction and 1.0m 9s secondary swell from a South direction (forecast issued at 11:00pm September 24). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (NZST) & DateWave HeightWave Period
Morning (25 Sep)3.5ft (1.0m)9s
Afternoon (25 Sep)3.5ft (1.1m)13s
Evening (25 Sep)3ft (0.9m)13s

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


Short Range Forecast

Moderate rain (total 16mm), heaviest on Sun afternoon. Very mild (max 14°C on Sun morning, min 7°C on Sun morning). Winds increasing (light winds from the E on Fri night, strong winds from the NNW by Sat night).

Friday
25
Saturday
26
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
1
1
1
1
2
2
2
1
1
1
2
1
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.2
S
9
1.1
S
9
1.1
S
9
1
S
9
1
S
9
1.2
S
14
1.1
S
13
1
S
13
0.9
SSW
13
0.9
S
13
0.8
SSW
12
0.8
S
12
0.8
S
11
0.8
S
11
0.7
S
11
0.7
S
11
0.7
S
11
Wave Graph
Metric surfscale
Energy kJ
239
196
196
165
156
518
417
335
282
268
205
184
166
157
116
114
110
Wind (km/h)
25
N
25
N
25
N
15
N
15
N
15
NNW
10
NNW
15
N
10
ENE
10
E
10
ENE
10
NNE
20
NNW
35
NNW
40
N
40
NNW
35
NNW
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross
cross-on
cross
cross-off
cross-off
cross-off
cross-off
off
off
High Tide
2:59AM1.44m
3:19PM1.53m
3:49AM1.46m
4:11PM1.54m
Low Tide
8:45PM0.69m
8:58AM0.69m
9:36PM0.72m
9:53AM0.69m
clear
part cloud
clear
part cloud
cloud
part cloud
clear
part cloud
part cloud
cloud
part cloud
part cloud
cloud
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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6:05
—
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—
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6:03
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—
—
—
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<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
—
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6:20
—
—
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—
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6:21
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 mm
—
—
—
—
—
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—
—
—
—
—
—
—
—
—
—
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Temp °C
10
10
9
9
10
11
12
11
10
9
9
9
11
12
12
13
13
Feels °C
4
5
4
5
6
7
9
8
7
6
6
6
7
5
4
6
7
  • 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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