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 12 Aug 2026 (local time)

Forecast update in  hr  min

Today's The Island (Island Bay) sea temperature is
12.3° C
0.3° 

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 (13 Aug):

  • Morning surf: Morning surf (13 Aug, local time) - 1.5ft (0.4m), 9s period with SSE swell.
  • Afternoon surf: Afternoon surf (13 Aug, local time) - 1.5ft (0.4m), 9s period with SE swell.
  • Evening surf: Evening surf (13 Aug, local time) - 1.5ft (0.4m), 8s period with ESE swell.

The current surf forecast for The Island (Island Bay) at 4AM is: 0.6m 9s primary swell from a East-southeast direction and 0.4m 9s secondary swell from a South-southeast direction (forecast issued at 11:00pm August 12). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (NZST) & DateWave HeightWave Period
Morning (13 Aug)1.5ft (0.4m)9s
Afternoon (13 Aug)1.5ft (0.4m)9s
Evening (13 Aug)1.5ft (0.4m)8s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Wed night. Very mild (max 13°C on Thu afternoon, min 10°C on Wed night). Winds increasing (calm on Thu night, fresh winds from the S by Sat afternoon).

Thursday
13
Friday
14
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
1
1
1
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)
0.5
S
10
0.7
ESE
9
0.6
ESE
9
0.6
ESE
9
0.4
SSE
9
0.4
SE
9
0.4
SE
9
0.4
ESE
8
0.3
SE
11
0.4
SE
8
0.4
SE
8
0.4
SE
10
0.4
SE
9
0.3
SE
11
0.6
SSW
4
0.2
SSW
15
0.2
SSW
15
Wave Graph
Metric surfscale
Energy kJ
48
70
53
52
32
26
23
23
22
24
24
25
23
21
13
21
21
Wind (km/h)
15
NE
20
N
20
NNE
20
N
20
NNE
20
N
20
NNW
20
N
15
NNE
15
N
10
N
5
W
10
S
20
S
15
S
10
S
10
SSE
Wind State
cross
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
cross-on
High Tide
4:39AM1.60m
5:01PM1.75m
5:37AM1.60m
6:00PM1.72m
Low Tide
10:24PM0.51m
10:46AM0.45m
11:28PM0.53m
11:45AM0.45m
part cloud
cloud
cloud
light rain
cloud
cloud
part cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:13
7:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:37
5:37
 mm
1
Temp °C
10
11
10
10
11
12
13
12
12
12
12
12
12
11
12
11
11
Feels °C
7
7
6
6
7
8
10
9
9
10
10
12
10
8
9
9
9
  • 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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