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 pm 14 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 (15 Aug):

  • Morning surf: Morning surf (15 Aug, local time) - 1ft (0.3m), 16s period with SSW swell.
  • Afternoon surf: Afternoon surf (15 Aug, local time) - 1.5ft (0.4m), 16s period with SSW swell.
  • Evening surf: Evening surf (15 Aug, local time) - 7ft (2.2m), 6s period with SSW swell.

The current surf forecast for The Island (Island Bay) at 12AM is: 0.3m 7s primary swell from a East-southeast direction and 0.3m 5s secondary swell from a East-southeast direction (forecast issued at 05:00pm August 14). The wind direction is predicted to be cross-onshore.

Time (NZST) & DateWave HeightWave Period
Morning (15 Aug)1ft (0.3m)16s
Afternoon (15 Aug)1.5ft (0.4m)16s
Evening (15 Aug)7ft (2.2m)6s

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


Short Range Forecast

Moderate rain (total 11mm), heaviest on Sat night. Very mild (max 13°C on Sat morning, min 7°C on Sat night). Winds increasing (light winds from the ENE on Fri night, near gales from the SSW by Sat night).

Fri
14
Saturday
15
Sunday
16
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
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
Wave
Height (m)
Direction
Period (s)
0.2
ESE
11
1.1
E
7
0.3
ESE
7
0.3
ESE
7
0.4
ESE
7
0.2
SSW
15
0.3
SSW
16
0.3
SSW
16
0.4
SSW
16
1.7
SSW
5
2.2
SSW
6
3
SSW
7
3.5
SSW
8
4
S
8
4.5
S
9
4
S
9
4
S
9
4
S
9
4
S
9
Wave Graph
Metric surfscale
Energy kJ
13
127
11
10
20
21
53
50
82
155
351
792
1563
2172
3100
2803
2612
2816
2510
Wind (km/h)
20
S
10
SSE
10
ENE
10
ENE
10
ENE
5
ENE
10
ENE
15
S
30
S
40
S
50
S
60
SSW
60
SSW
60
S
60
S
60
S
55
S
55
S
55
S
Wind State
cross-on
cross-on
cross-on
cross-on
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
6:00PM1.72m
6:34AM1.61m
6:58PM1.68m
7:30AM1.63m
7:55PM1.65m
Low Tide
00:28AM0.54m
12:44PM0.47m
1:24AM0.56m
1:42PM0.51m
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
cloud
cloud
light rain
light rain
light rain
light rain
light rain
light rain
light rain
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:11
7:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:37
5:38
5:39
 mm
1
2
2
2
1
1
1
Temp °C
12
12
12
12
11
12
12
13
11
10
9
8
8
7
7
7
8
8
8
Feels °C
9
10
10
11
9
11
11
10
6
3
0
-4
-4
-6
-5
-5
-4
-4
-4
  • 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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