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 am 10 Sep 2026 (local time)

Forecast update in  hr  min

Today's The Island (Island Bay) sea temperature is
13.8°C
1.8° 

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 (10 Sep):

  • Morning surf: Morning surf (10 Sep, local time) - 0.5ft (0.2m), 14s period with SSW swell.
  • Afternoon surf: Afternoon surf (10 Sep, local time) - 5.5ft (1.7m), 6s period with SSW swell.
  • Evening surf: Evening surf (10 Sep, local time) - 7.5ft (2.3m), 7s period with S swell.

The current surf forecast for The Island (Island Bay) at 5PM is: 2.4m 7s primary swell from a South-southwest direction and 0.3m 8s secondary swell from a East-southeast direction, 0.2m 20s secondary swell from a South direction (forecast issued at 11:00am September 10). The wind direction is predicted to be cross-onshore.

Time (NZST) & DateWave HeightWave Period
Morning (10 Sep)0.5ft (0.2m)14s
Afternoon (10 Sep)5.5ft (1.7m)6s
Evening (10 Sep)7.5ft (2.3m)7s

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


Short Range Forecast

Moderate rain (total 10mm), heaviest on Thu afternoon. Very mild (max 12°C on Thu morning, min 8°C on Thu afternoon). Winds decreasing (strong winds from the NNW on Fri morning, calm by Sat afternoon).

Thu
10
Friday
11
Saturday
12
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
0
2
0
0
0
1
0
0
0
2
2
3
2
5
4
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)
0.2
SSW
14
0.3
SSW
14
1.7
SSW
6
2.5
S
7
2.3
S
7
2
S
7
1.6
S
7
0.6
SSW
18
0.6
SSW
17
0.6
SSW
17
0.6
SSW
17
0.6
SSW
17
0.4
SSW
17
0.7
SSW
16
0.9
SSW
15
1.4
SSW
15
1.4
SSW
15
1.7
SSW
14
2.5
S
14
3
S
14
3
S
13
Wave Graph
Metric surfscale
Energy kJ
18
37
223
732
562
399
247
249
237
232
229
229
92
250
318
880
849
1143
2357
3141
3257
Wind (km/h)
35
NW
25
S
45
S
40
S
35
SSE
30
SSE
20
S
5
N
40
NNW
45
NNW
35
N
25
N
10
S
25
SSE
10
ESE
10
ESE
10
SE
5
S
15
SSE
5
E
20
N
Wind State
off
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
glassy
off
off
cross-off
cross-off
cross-on
on
on
cross-on
on
cross-on
cross-on
glassy
cross-off
High Tide
3:46PM1.70m
4:19AM1.57m
4:43PM1.67m
5:15AM1.59m
5:39PM1.64m
Low Tide
9:29AM0.47m
10:02PM0.55m
10:29AM0.49m
11:04PM0.59m
11:28AM0.51m
cloud
light rain
light rain
light rain
light rain
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
clear
cloud
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:31
6:30
6:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:04
6:05
6:06
 mm
1
4
4
1
Temp °C
12
11
8
8
9
9
9
8
10
12
12
12
11
10
9
9
10
12
11
10
10
Feels °C
5
6
-1
0
1
2
4
6
2
3
4
7
9
4
6
6
7
9
7
8
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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