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 15 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) - 6ft (1.9m), 6s period with SSW swell.

The current surf forecast for The Island (Island Bay) at 5PM is: 0.4m 16s primary swell from a South-southwest direction and 0.3m 7s secondary swell from a East-southeast direction, 0.9m 4s secondary swell from a South-southwest direction (forecast issued at 11:00am August 15). 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)6ft (1.9m)6s

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


Short Range Forecast

Moderate rain (total 10mm), heaviest on Sat night. Very mild (max 14°C on Sat morning, min 7°C on Sat night). Winds increasing (calm on Sat morning, near gales from the SSW by Sat night).

Sat
15
Sunday
16
Monday
17
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
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
Height Map
Wave
Height (m)
Direction
Period (s)
0.3
SSW
16
0.3
SSW
16
0.4
SSW
16
0.4
SSW
16
1.9
SSW
6
2.5
SSW
7
3.5
SSW
8
4.5
SSW
9
5
S
9
5
S
10
5
S
10
4.5
S
10
4.5
S
9
4
S
9
3.5
S
9
3.5
S
9
3
S
9
2.5
SSE
9
2.3
SSE
9
2
SSE
8
1.3
SSW
14
Wave Graph
Metric surfscale
Energy kJ
53
50
82
84
222
588
1551
2998
3950
4346
4163
3925
3240
2598
2133
1829
1341
1057
809
537
606
Wind (km/h)
5
NE
5
S
25
S
35
S
50
S
60
SSW
60
SSW
60
S
60
S
55
S
55
S
55
S
55
S
55
S
50
S
45
S
40
S
35
S
30
S
25
S
25
S
Wind State
cross
glassy
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
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
6:34AM1.61m
6:58PM1.68m
7:30AM1.63m
7:55PM1.65m
8:23AM1.64m
8:49PM1.63m
Low Tide
12:44PM0.47m
1:24AM0.56m
1:42PM0.51m
2:17AM0.58m
2:40PM0.55m
cloud
part cloud
cloud
cloud
light rain
light rain
light rain
light rain
light rain
light rain
light rain
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:11
7:09
7:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:38
5:39
5:40
 mm
2
2
2
1
1
1
1
Temp °C
12
14
12
10
9
8
7
7
7
8
8
8
8
8
8
8
8
8
8
8
8
Feels °C
11
14
8
3
0
-4
-6
-5
-6
-4
-4
-4
-4
-4
-3
-3
-1
0
0
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.


Nearest locationNearest