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 05:47 AM and sunset is at 08:43 PM.

Days 1–3 Weather Summary

Light rain (total 2mm), mostly falling on Mon night. Cool air temperatures (max 15°C on Mon night, min 11°C on Wed morning). Winds decreasing (fresh winds from the WNW on Mon night, light winds from the SSW by Wed afternoon).

Days 4–6 Weather Summary

Mostly dry. Cool air temperatures (max 16°C on Fri night, min 11°C on Thu morning). Winds decreasing (fresh winds from the ENE on Fri afternoon, calm by Sat afternoon).

Days 7–9 Weather Summary

Light rain (total 2mm), mostly falling on Sun afternoon. Very mild (max 15°C on Tue night, min 11°C on Mon night). Mainly strong winds.

Days 10–12 Weather Summary

Mostly dry. Warm (max 20°C on Fri afternoon, min 11°C on Wed morning). Winds decreasing (fresh winds from the SW on Wed morning, light winds from the WNW by Fri night).

Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
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
2:18PM1.16m
3:44AM1.62m
3:08PM1.19m
4:23AM1.57m
3:58PM1.20m
5:00AM1.49m
4:49PM1.19m
5:37AM1.40m
5:44PM1.16m
6:13AM1.30m
6:43PM1.13m
6:50AM1.20m
7:51PM1.11m
7:30AM1.12m
9:09PM1.11m
8:15AM1.05m
10:33PM1.16m
9:09AM0.99m
11:47PM1.24m
10:11AM0.96m
00:39AM1.33m
11:12AM0.96m
1:19AM1.41m
Low Tide
9:17AM0.60m
8:41PM0.02m
9:56AM0.55m
9:28PM0.05m
10:35AM0.50m
10:14PM0.12m
11:14AM0.46m
11:00PM0.24m
11:56AM0.43m
11:49PM0.37m
12:40PM0.42m
00:41AM0.52m
1:27PM0.42m
1:43AM0.66m
2:19PM0.42m
2:57AM0.77m
3:13PM0.41m
4:24AM0.83m
4:08PM0.39m
5:56AM0.83m
4:59PM0.36m
7:03AM0.79m
5:45PM0.32m
Wave
height (m) 
direction
period (s) 
1.7
WSW
11
1.7
SW
12
1.4
SW
12
1.5
SW
11
1.7
SW
13
1.6
SW
13
1.3
SW
13
1.3
SW
13
1.2
SW
12
1.1
SW
12
1.1
SW
12
1.3
SW
11
1.7
E
6
1.6
E
6
1.4
ENE
6
1.2
ENE
7
1.3
SW
12
1.3
SW
13
1.5
WSW
8
2.1
SW
9
2.4
SW
12
2.1
SW
12
2.1
SW
11
1.8
SSW
10
1.4
SSW
10
1.3
SSW
9
1.2
SSW
9
1.2
SSW
8
1.2
S
5
1.1
S
5
0.9
SSW
8
0.9
SSW
12
0.7
SSW
11
1
SW
15
1.7
S
6
1.9
S
7
cloud
cloud
light rain
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
cloud
light rain
rain showers
part cloud
part cloud
clear
cloud
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
cloudy
cloudy
light rain
clear
clear
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
clear
some clouds
some clouds
clear
cloudy
light rain
rain shwrs
some clouds
some clouds
clear
cloudy
some clouds
clear
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
 km/h
35
NW
35
NW
30
WNW
25
W
25
WSW
20
SW
10
SSW
10
SSW
20
SSW
20
S
20
S
20
SSE
30
ENE
30
ENE
25
ENE
10
E
25
WSW
25
WSW
35
WNW
40
WSW
35
SW
35
SW
35
SW
35
SW
25
W
35
W
35
WSW
35
SW
25
SSW
25
SSW
20
S
10
SE
10
E
15
NE
10
NNE
25
SW
 mm 
2
1
1
max°C
13
14
15
13
13
13
11
12
12
11
12
13
13
15
16
14
16
15
13
13
13
12
12
12
12
14
15
12
11
12
11
15
17
15
20
20
Moonrise
12:09
12:41
1:07
1:29
1:49
2:09
2:30
2:54
3:20
3:52
4:31
Moonset
8:44
10:00
11:13
12:20
1:25
2:27
3:27
4:29
5:30
6:33
7:34
8:32
Sunrise
5:47
5:47
5:48
5:48
5:48
5:48
5:48
5:48
5:48
5:48
5:48
5:48
Sunset
8:43
8:43
8:44
8:45
8:45
8:46
8:46
8:47
8:49
8:50
8:50
8:51
Today's sea temperature in Grassy, King Island is
14.6° C
(Statistics for 08 Dec 1981-2005 – mean: 14.7 max: 16.9 min: 13.5°C)
Issued (local time): 10 am Monday 08 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest