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 29 Aug 2026 (local time)

Forecast update in  hr  min

Today's The Island (Island Bay) sea temperature is
12.7°C
0.9° 

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 (29 Aug):

  • Morning surf: Morning surf (29 Aug, local time) - 3.5ft (1.0m), 11s period with S swell.
  • Afternoon surf: Afternoon surf (29 Aug, local time) - 3ft (0.9m), 11s period with S swell.
  • Evening surf: Evening surf (29 Aug, local time) - 2.5ft (0.8m), 10s period with S swell.

The current surf forecast for The Island (Island Bay) at 4PM is: 0.9m 11s primary swell from a South direction and 0.2m 14s secondary swell from a South-southwest direction (forecast issued at 11:00am August 29). An open ocean swell of 0.9m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (NZST) & DateWave HeightWave Period
Morning (29 Aug)3.5ft (1.0m)11s
Afternoon (29 Aug)3ft (0.9m)11s
Evening (29 Aug)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 6mm), mostly falling on Mon night. Very mild (max 15°C on Sun afternoon, min 6°C on Mon night). Mainly strong winds.

Sat
29
Sunday
30
Monday
31
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
1
0
0
0
0
1
1
0
1
0
0
1
1
0
4
3
2
2
1
2
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)
1
S
11
0.9
S
11
0.9
S
11
0.8
S
10
0.8
S
10
0.7
S
10
0.5
S
10
0.5
SSW
9
0.5
SSW
11
0.6
SSW
12
0.6
SSW
12
0.5
SSW
13
0.6
SSW
16
0.7
SSW
16
1
SSW
16
2.1
S
14
2.5
S
12
2.5
SSW
12
2.2
SSW
12
2.1
SSW
12
2
SSW
12
Wave Graph
Metric surfscale
Energy kJ
240
191
184
138
133
100
50
46
69
111
123
95
198
269
527
1729
1745
1586
1316
1220
1145
Wind (km/h)
40
NNW
35
NNW
30
NNW
30
N
35
N
35
NNW
25
NNW
15
N
30
N
25
NW
40
NW
50
WNW
35
WNW
10
S
15
SE
10
NNE
30
WNW
40
WNW
40
NW
45
WNW
45
NW
Wind State
off
off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
off
off
off
off
cross-on
on
cross-off
off
off
off
cross-off
off
High Tide
5:34PM1.51m
6:06AM1.46m
6:28PM1.52m
6:57AM1.50m
7:24PM1.54m
Low Tide
11:19AM0.69m
00:10AM0.72m
12:13PM0.68m
1:01AM0.71m
1:08PM0.67m
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
cloud
clear
clear
clear
part cloud
clear
clear
clear
cloud
clear
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:50
6:48
6:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:52
5:53
5:54
 mm
Temp °C
12
12
13
12
13
12
12
10
12
14
15
14
13
12
9
9
12
14
13
13
12
Feels °C
4
5
7
6
6
5
6
6
6
9
7
4
6
9
5
6
5
6
4
4
3
  • 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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