Green Island surf break

Green Island surfForecast / NSW – South Coast / Australia

information circle48hr Weather and Surf, issued 3 pm Wednesday 20 May 2026 AEST
Forecast update in hr  min  s Forecast update imminent
Green Island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Green Island sea temperature is
21.2° C
(Which is 2.0°C warmer than normal for this time of year)

How big are the waves at Green Island today?

The current surf forecast for Green Island at 12AM is: 2.3m 9s primary swell from a South direction and 1.2m 11s secondary swell from a East-northeast direction (forecast issued at 03:00pm May 20). The wind direction is predicted to be cross-onshore.

Time (AEST) & DateWave HeightWave Period
Morning (21 May)--
Afternoon (21 May)4.5ft (1.4m)11s
Evening (21 May)6.5ft (2.0m)10s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 18°C on Wed afternoon, min 13°C on Wed night). Wind will be generally light.

Wed
20
Thursday
21
Friday
22
Sat
23
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
1 AM
4 AM
7 AM
10 AM
Rating
(10 max)
2
3
3
3
2
3
3
0
0
1
2
2
1
1
0
0
0
1
1
2
2
3
3
2
Swell
Height Map
Height MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.9
S
9
2.2
S
9
2.2
S
10
2
S
10
2.5
S
9
2.5
S
9
2.3
S
9
2.1
S
8
1.9
S
8
1.7
S
8
1.6
SSE
8
1.7
SSE
8
1.7
SSE
8
1.6
SSE
7
1.1
S
8
1.5
SSE
7
1.4
SSE
7
1.3
SE
7
1.6
ESE
10
1.7
ESE
10
1.8
ESE
10
1.8
ESE
10
1.8
ESE
10
1.5
ESE
10
Wave Graph
Metric surfscale
Energy kJ
575
775
856
715
999
1088
836
630
476
355
324
361
344
259
138
217
175
149
443
527
650
663
637
419
Wind (km/h)
15
S
10
S
10
WSW
15
SW
15
SW
10
WSW
15
SW
15
SSW
15
S
15
S
10
SW
10
WSW
15
SW
15
SW
10
SW
15
SSW
10
SSW
5
SSW
10
SSE
10
S
5
S
5
S
5
SSW
5
SW
on
cross-on
cross
cross
cross-on
cross
cross
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross
cross-on
cross-on
cross-on
cross-on
on
cross-on
on
glassy
glassy
cross-on
High Tide
11:24AM1.07m
11:11PM1.63m
12:27PM1.05m
00:11AM1.53m
1:33PM1.05m
1:13AM1.43m
Low Tide
4:40PM0.40m
6:14AM0.05m
5:42PM0.46m
7:14AM0.11m
6:51PM0.50m
8:12AM0.17m
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
part cloud
clear
cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:48
6:50
6:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
4:59
4:59
4:58
4:57
Temp °C
17
18
16
15
14
13
13
14
16
16
15
14
14
13
13
13
14
15
16
16
16
16
15
16
13
15
12
11
11
10
10
10
12
13
13
11
11
10
10
10
12
13
14
15
15
15
14
15
Swell 1
Height (m)
Direction
Period (s)
1.5
ENE
11
1.7
S
9
1.8
S
10
1.2
ENE
11
1.2
ENE
11
1.1
ENE
10
1.1
E
10
1.1
E
10
1.1
E
10
1.1
E
10
1
E
10
1
E
10
0.9
ENE
10
0.9
ENE
10
1.1
SE
6
0.8
E
10
0.8
E
9
0.8
E
9
1.6
ESE
10
1.7
ESE
10
1.8
ESE
10
1.8
ESE
10
1.8
ESE
10
1.5
ESE
10
Energy kJ
467
450
580
337
337
281
265
270
260
250
208
208
167
163
106
115
113
111
443
527
650
663
637
419
Swell 2
Height (m)
Direction
Period (s)
1.4
ENE
11
1.4
ENE
10
0.1
S
16
0.1
S
16
0.1
S
16
0.1
S
15
0.1
S
15
0.8
ENE
10
0.3
S
13
0.3
S
13
0.4
S
8
0.4
S
7
0.3
S
9
0.4
S
7
0.3
S
7
0.7
E
12
1.3
E
11
Energy kJ
408
400
5
5
5
4
4
128
31
28
20
16
14
16
8
148
418
Swell 3
Height (m)
Direction
Period (s)
0.2
S
14
0.2
S
14
0.4
SSW
13
0.3
S
12
0.3
SSW
12
0.2
S
11
0.1
S
13
0.3
S
8
0.3
S
7
Energy kJ
16
15
57
27
27
10
4
10
9
Wind waves
Height (m)
Direction
Period (s)
1.9
S
9
2.2
S
9
2.2
S
10
2
S
10
2.5
S
9
2.5
S
9
2.3
S
9
2.1
S
8
1.9
S
8
1.7
S
8
1.6
SSE
8
1.7
SSE
8
1.7
SSE
8
1.6
SSE
7
1.1
S
8
1.5
SSE
7
1.4
SSE
7
1.3
SE
7
Energy kJ
575
775
856
715
999
1088
836
630
476
355
324
361
344
259
138
217
175
149
Nearest Offshore or Glassy
Rating
(10 max)
2
2
4
4
4
4
4
2
1
1
3
3
3
2
2
2
2
2
1
2
2
3
3
3
Distance (km)
6
6
4
4
4
4
4
6
6
6
4
4
4
4
4
4
4
4
6
6
6
0
0
4
Best forecast wave conditions in South Coast - New South Wales
Rating
(10 max)
4
3
4
4
4
4
4
3
3
3
3
3
3
2
2
2
2
2
2
2
2
3
3
3
Best forecast wave conditions in Australia
Rating
(10 max)
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
5
8
5
5
5
5
Header Global
Rating
(10 max)
5
5
4
4
4
5
5
5
4
5
5
5
5
4
4
4
5
7
7
8
6
5
5
5
  • 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

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