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 21 Aug 2026 (local time)

Forecast update in  hr  min

Today's The Island (Island Bay) sea temperature is
11.3° C
0.6° 

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 (22 Aug):

  • Morning surf: Morning surf (22 Aug, local time) - 3.5ft (1.0m), 11s period with S swell.
  • Afternoon surf: Afternoon surf (22 Aug, local time) - 3ft (0.9m), 11s period with S swell.
  • Evening surf: Evening surf (22 Aug, local time) - 2.5ft (0.8m), 10s period with S swell.

The current surf forecast for The Island (Island Bay) at 4AM is: 1.0m 11s primary swell from a South direction and 0.2m 11s secondary swell from a East-southeast direction (forecast issued at 11:00pm August 21). An open ocean swell of 2.1m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (NZST) & DateWave HeightWave Period
Morning (22 Aug)3.5ft (1.0m)11s
Afternoon (22 Aug)3ft (0.9m)11s
Evening (22 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 2mm), mostly falling on Sat night. Very mild (max 13°C on Sat afternoon, min 9°C on Sun night). Winds decreasing (near gales from the NNW on Sat night, light winds from the NNW by Sun night).

Saturday
22
Sunday
23
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
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
12
1.1
S
12
1
S
11
1
S
11
1
S
11
0.9
S
11
0.9
S
11
0.9
S
11
0.8
S
10
0.7
S
10
0.6
S
10
0.5
S
10
0.4
S
10
0.4
S
10
0.3
S
9
0.5
SSW
7
0.8
SSW
7
Wave Graph
Metric surfscale
Energy kJ
396
322
244
240
235
188
188
182
138
98
71
48
31
30
16
30
62
Wind (km/h)
45
NNW
50
NNW
55
NNW
55
NNW
55
NNW
50
NNW
50
NW
50
NW
50
NW
55
NW
65
NNW
65
NNW
60
NW
40
WNW
45
WNW
40
WNW
40
WNW
Wind State
cross-off
cross-off
cross-off
cross-off
off
off
off
off
off
off
off
off
off
off
off
off
cross-off
High Tide
11:56PM1.55m
12:22PM1.59m
00:39AM1.51m
1:05PM1.58m
Low Tide
6:02PM0.68m
6:09AM0.71m
6:44PM0.69m
6:48AM0.72m
7:25PM0.70m
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
part cloud
part cloud
cloud
light rain
rain showers
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:01
7:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:45
5:46
 mm
1
1
Temp °C
11
11
10
10
10
11
13
13
13
13
13
13
13
13
12
11
11
Feels °C
3
1
-1
-1
-1
1
4
4
4
3
1
1
2
4
2
2
2
  • 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 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our The Island (Island Bay) surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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