The Island (Island Bay) Surf Break

Lat Long: 41.35° S 174.78° E

The Island (Island Bay) 48 hour detailed Surf Forecast

Issued: 12 am 18 Oct 2026 (local time)

Forecast update in  hr  min

Today's The Island (Island Bay) sea temperature is
13.6°C
0.9° 

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 (18 Oct):

  • Morning surf: Morning surf (18 Oct, local time) - 6ft (1.9m), 13s period with S swell.
  • Afternoon surf: Afternoon surf (18 Oct, local time) - 6ft (1.8m), 13s period with S swell.
  • Evening surf: Evening surf (18 Oct, local time) - 5.5ft (1.7m), 13s period with S swell.

The current surf forecast for The Island (Island Bay) at 5AM is: 1.8m 9s primary swell from a South direction and 0.9m 14s secondary swell from a South direction (forecast issued at 12:00am October 18). The wind direction is predicted to be cross-onshore.

Time (NZDT) & DateWave HeightWave Period
Morning (18 Oct)6ft (1.9m)13s
Afternoon (18 Oct)6ft (1.8m)13s
Evening (18 Oct)5.5ft (1.7m)13s

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


Short Range Forecast

Mostly dry. Very mild (max 14°C on Mon afternoon, min 8°C on Sat night). Winds decreasing (fresh winds from the N on Sun night, calm by Tue afternoon).

Sunday
18
Monday
19
Tuesday
20
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
0
1
3
4
4
3
2
3
1
1
0
1
1
3
2
2
2
1
0
3
3
4
2
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.9
S
9
1.8
S
9
2
S
14
1.9
S
13
1.8
S
13
1.7
S
13
1.7
S
13
1.7
S
13
1.7
S
13
1.6
S
13
1.6
S
13
1.6
S
13
1.5
S
13
1.5
S
13
1.6
SSW
13
1.6
SSW
13
1.6
SSW
13
1.5
S
13
1.3
SSW
13
1.3
S
16
1.3
S
16
1.3
S
16
1.3
S
15
1.2
S
14
Wave Graph
Metric surfscale
Energy kJ
567
487
1472
1252
1077
932
946
1001
986
865
905
919
812
824
958
958
958
799
590
847
836
811
804
610
Wind (km/h)
20
S
15
SSW
5
SSW
5
W
10
NW
15
NNW
20
NNW
20
N
25
N
30
N
35
N
30
N
25
NNW
15
NW
10
S
10
ESE
10
E
10
ESE
15
ESE
10
ESE
5
S
5
N
20
N
25
N
Wind State
cross-on
cross-on
cross-on
cross-off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-on
on
cross-on
cross-on
on
on
cross-on
glassy
cross-off
cross-off
High Tide
11:05PM1.52m
11:22AM1.56m
11:44PM1.49m
12:04PM1.54m
00:23AM1.47m
12:46PM1.53m
Low Tide
5:11AM0.74m
5:52PM0.67m
5:51AM0.72m
6:31PM0.65m
6:29AM0.71m
7:08PM0.65m
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
6:28
—
—
—
—
—
—
—
6:26
—
—
—
—
—
—
—
6:24
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
—
7:44
—
—
—
—
—
—
—
7:45
—
—
—
—
—
—
—
7:45
—
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
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Temp °C
9
8
8
10
12
13
12
11
10
9
9
11
13
14
14
13
12
11
11
13
14
14
13
12
Feels °C
5
5
6
8
9
9
9
7
5
3
2
5
9
11
12
11
10
8
8
11
12
13
10
8
  • 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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