Grassy, King Island Sea Conditions and Tide Table

Grassy, King Island Sea Conditions table showing wave height, swell direction and period.

High and low tide times are also provided on the table along with the moon phase and forecast weather. Sunrise today is at 05:50 AM and sunset is at 08:52 PM.

Days 1–3 Weather Summary

Moderate rain (total 13mm), heaviest on Sun afternoon. Cool air temperatures (max 15°C on Mon afternoon, min 12°C on Sun morning). Winds increasing (calm on Sun morning, fresh winds from the WSW by Tue morning).

Days 4–6 Weather Summary

Mostly dry. Cool air temperatures (max 14°C on Wed morning, min 11°C on Wed night). Winds decreasing (strong winds from the WSW on Wed afternoon, light winds from the SE by Fri night).

Days 7–9 Weather Summary

Mostly dry. Very mild (max 17°C on Sun afternoon, min 13°C on Sat morning). Winds increasing (light winds from the ESE on Sat morning, fresh winds from the ENE by Sun morning).

Days 10–12 Weather Summary

Mostly dry. Very mild (max 15°C on Tue morning, min 12°C on Tue night). Mainly fresh winds.

Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
Wave Height Map
High Tide
12:53PM0.99m
2:25AM1.52m
1:35PM1.03m
2:57AM1.54m
2:14PM1.06m
3:27AM1.53m
2:54PM1.10m
3:58AM1.49m
3:34PM1.13m
4:28AM1.42m
4:17PM1.16m
4:58AM1.34m
5:06PM1.17m
5:27AM1.25m
6:01PM1.18m
5:56AM1.17m
7:08PM1.19m
6:28AM1.09m
8:29PM1.21m
7:07AM1.02m
9:56PM1.27m
8:08AM0.97m
11:24PM1.36m
Low Tide
8:20AM0.69m
7:08PM0.23m
8:50AM0.64m
7:46PM0.20m
9:18AM0.60m
8:24PM0.18m
9:45AM0.56m
9:03PM0.18m
10:12AM0.52m
9:42PM0.22m
10:41AM0.48m
10:23PM0.30m
11:11AM0.45m
11:08PM0.41m
11:46AM0.41m
11:59PM0.54m
12:27PM0.38m
1:04AM0.68m
1:18PM0.35m
2:30AM0.80m
2:20PM0.32m
4:09AM0.86m
3:31PM0.29m
Wave
height (m) 
direction
period (s) 
0.8
SSW
8
0.8
SSW
8
1.4
SW
6
1.3
SSW
7
1.1
SW
7
1.1
SW
7
1.8
SW
8
2
SW
17
2.1
SW
16
2.1
SW
15
2.5
SW
14
2.5
SW
14
2.4
SW
13
2.1
SW
13
1.7
SW
12
1.3
SW
12
1.3
SW
12
1.3
SW
17
1.1
SW
16
1
SW
15
1.8
ENE
6
2
ENE
6
1.6
ENE
6
1.4
ENE
6
1.3
E
6
1.2
SW
12
1.2
S
6
1.3
SW
11
1.9
S
6
2
S
7
1.5
SW
13
1.3
SW
13
1.1
SW
12
1.6
SW
11
1.7
SW
11
1.9
SW
12
part cloud
light rain
rain showers
part cloud
cloud
rain showers
clear
clear
part cloud
part cloud
cloud
cloud
part cloud
part cloud
part cloud
cloud
part cloud
clear
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
some clouds
light rain
rain shwrs
some clouds
cloudy
rain shwrs
clear
clear
some clouds
some clouds
cloudy
cloudy
some clouds
some clouds
some clouds
cloudy
some clouds
clear
clear
clear
some clouds
some clouds
clear
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
 km/h
5
SSE
15
SSE
35
SW
30
WSW
30
WNW
30
WSW
35
WSW
30
WSW
30
W
35
WSW
40
WSW
35
SW
30
SSW
30
SW
25
SSW
20
SW
20
SSW
20
SSE
15
NE
20
ENE
35
ENE
35
ENE
25
E
20
E
15
ESE
30
S
15
SSE
30
S
35
S
30
S
25
SSW
20
WSW
30
W
30
SW
30
SW
25
S
 mm 
5
6
2
max°C
14
12
13
14
15
14
13
13
13
14
14
12
12
12
12
13
14
13
15
16
15
16
17
16
16
15
15
15
13
12
13
14
14
14
13
12
Moonrise
6:13
7:14
8:19
9:25
10:31
11:38
12:45
1:54
3:06
4:23
5:42
7:01
Moonset
10:10
10:48
11:20
11:47
12:11
12:34
12:56
1:20
1:47
2:19
3:01
Sunrise
5:50
5:50
5:50
5:52
5:52
5:52
5:54
5:54
5:54
5:56
5:56
5:58
Sunset
8:52
8:52
8:52
8:52
8:53
8:53
8:53
8:54
8:54
8:54
8:54
8:54
Today's sea temperature in Grassy, King Island is
15.6° C
(Statistics for 21 Dec 1981-2005 – mean: 15.1 max: 16.6 min: 13.6°C)
Issued (local time): 4 am Sunday 21 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest