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 19 Sep 2026 (local time)

Forecast update in  hr  min

Today's The Island (Island Bay) sea temperature is
13.0°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 (19 Sep):

  • Morning surf: Morning surf (19 Sep, local time) - 3.5ft (1.0m), 15s period with SSW swell.
  • Afternoon surf: Afternoon surf (19 Sep, local time) - 3ft (0.9m), 14s period with SSW swell.
  • Evening surf: Evening surf (19 Sep, local time) - 3ft (0.9m), 13s period with SSW swell.

The current surf forecast for The Island (Island Bay) at 4PM is: 0.9m 14s primary swell from a South-southwest direction and 0.6m 11s secondary swell from a East-southeast direction (forecast issued at 11:00am September 19). An open ocean swell of 1.7m 6s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (NZST) & DateWave HeightWave Period
Morning (19 Sep)3.5ft (1.0m)15s
Afternoon (19 Sep)3ft (0.9m)14s
Evening (19 Sep)3ft (0.9m)13s

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


Short Range Forecast

Light rain (total 6mm), mostly falling on Sat night. Very mild (max 14°C on Sat morning, min 8°C on Sat night). Winds decreasing (strong winds from the NW on Sat night, calm by Sun night).

Sat
19
Sunday
20
Monday
21
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
0
0
0
0
0
0
0
2
2
0
0
0
5
3
2
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)
1
SSW
15
1
SSW
14
0.9
SSW
14
0.9
SSW
13
0.9
SSW
13
0.8
SSW
12
0.8
SSW
12
2.5
SSW
7
3
SSW
8
2.5
S
9
3
S
10
4
S
11
4
S
13
3.5
S
13
3
S
12
2.4
S
11
1.9
S
11
1.7
S
10
1.5
S
10
1.4
S
13
1.3
S
13
Wave Graph
Metric surfscale
Energy kJ
468
443
351
317
294
202
195
611
1145
1198
2098
4096
5693
4146
2364
1430
831
609
467
643
539
Wind (km/h)
45
NNW
35
NNW
45
NNW
45
NW
45
NW
45
NW
45
WNW
50
SSW
20
SSW
20
SSW
35
S
35
S
20
SSE
5
ENE
20
N
35
N
40
N
35
N
40
N
40
N
45
N
Wind State
cross-off
cross-off
off
off
off
off
off
cross-on
cross
cross
cross-on
cross-on
cross-on
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
11:00AM1.58m
11:20PM1.52m
11:43AM1.56m
00:00AM1.49m
12:25PM1.54m
Low Tide
5:28PM0.67m
5:31AM0.72m
6:07PM0.67m
6:09AM0.71m
6:46PM0.66m
part cloud
cloud
part cloud
part cloud
part cloud
cloud
rain showers
light rain
clear
clear
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:16
6:13
6:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:13
6:15
6:15
 mm
1
5
Temp °C
12
14
14
14
13
13
13
8
10
11
11
10
9
8
8
9
10
12
13
12
12
Feels °C
4
7
6
6
4
4
4
-2
4
5
3
2
4
6
3
2
2
5
5
4
3
  • 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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