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 12 Aug 2026 (local time)

Forecast update in  hr  min

Today's The Island (Island Bay) sea temperature is
12.4° C
0.4° 

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 (12 Aug):

  • Morning surf: Morning surf (12 Aug, local time) - 3.5ft (1.0m), 7s period with SE swell.
  • Afternoon surf: Afternoon surf (12 Aug, local time) - 3.5ft (1.0m), 6s period with E swell.
  • Evening surf: Evening surf (12 Aug, local time) - 1.5ft (0.5m), 10s period with S swell.

The current surf forecast for The Island (Island Bay) at 5PM is: 0.8m 7s primary swell from a Southeast direction and 0.5m 10s secondary swell from a South direction (forecast issued at 11:00am August 12). The wind direction is predicted to be cross-offshore.

Time (NZST) & DateWave HeightWave Period
Morning (12 Aug)3.5ft (1.0m)7s
Afternoon (12 Aug)3.5ft (1.0m)6s
Evening (12 Aug)1.5ft (0.5m)10s

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 Thu morning, min 10°C on Wed morning). Wind will be generally light.

Wed
12
Thursday
13
Friday
14
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)
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
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
SE
7
0.8
SE
7
1
E
6
0.5
S
10
0.5
S
10
0.6
ESE
9
0.6
ESE
9
0.6
ESE
9
0.4
SSE
9
0.4
ESE
8
0.4
SE
9
0.4
SE
9
0.3
SE
11
0.4
SE
8
0.4
SE
10
0.4
SE
10
0.4
SE
8
0.2
SSW
15
0.2
SSW
15
0.2
SSW
15
0.2
SSW
15
Wave Graph
Metric surfscale
Energy kJ
94
67
71
51
48
53
54
52
32
25
23
23
22
24
26
26
23
21
21
21
21
Wind (km/h)
10
NE
5
NNE
5
NNW
10
NNE
15
NNE
20
N
20
N
25
N
25
N
25
N
25
N
20
N
20
N
15
N
15
N
10
N
5
S
15
S
15
S
10
SSE
5
SSE
Wind State
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
glassy
cross-on
cross-on
cross-on
cross-on
High Tide
4:02PM1.77m
4:39AM1.60m
5:01PM1.75m
5:37AM1.60m
6:00PM1.72m
Low Tide
9:45AM0.47m
10:24PM0.51m
10:46AM0.45m
11:28PM0.53m
11:45AM0.45m
cloud
cloud
cloud
clear
part cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:16
7:13
7:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:36
5:37
5:37
 mm
Temp °C
10
12
12
11
10
11
10
11
12
13
13
13
12
12
12
12
12
12
12
11
11
Feels °C
7
10
10
8
7
7
6
7
8
9
9
10
9
9
9
11
11
9
9
9
10
  • 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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