Nummy Island, Grassy Sound Channel Sea Conditions and Tide Table

Nummy Island, Grassy Sound Channel 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 07:15 AM and sunset is at 04:40 PM.

Days 1–3 Weather Summary

Drizzle at first, then turning colder with dusting of snow on Fri afternoon. Icy conditions (max 8°C on Tue night, min -5°C on Thu night). Winds decreasing (fresh winds from the NW on Tue night, calm by Wed night).

Days 4–6 Weather Summary

Heavy rain (total 23mm), heaviest during Fri night. Icy conditions (max 10°C on Sun night, min -2°C on Mon afternoon). Winds increasing (calm on Sun morning, near gales from the WNW by Mon afternoon).

Days 7–9 Weather Summary

A dusting of new snow. Freeze-thaw conditions (max 4°C on Wed afternoon, min -3°C on Mon night). Winds decreasing (near gales from the W on Mon night, light winds from the W by Thu morning).

Days 10–12 Weather Summary

Mostly dry. Freeze-thaw conditions (max 5°C on Sun night, min -12°C on Fri morning). Winds decreasing (fresh winds from the N on Thu night, calm by Sat night).

Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sun
4
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
Wave Height Map
High Tide
10:19AM1.26m
10:58PM1.05m
11:06AM1.22m
11:47PM1.09m
11:57AM1.18m
00:37AM1.14m
12:51PM1.15m
1:30AM1.21m
1:49PM1.11m
2:27AM1.27m
2:53PM1.09m
3:28AM1.35m
4:00PM1.09m
4:30AM1.42m
5:07PM1.13m
5:31AM1.48m
6:08PM1.18m
6:28AM1.54m
7:03PM1.23m
7:21AM1.57m
7:56PM1.26m
8:12AM1.56m
Low Tide
4:59PM-0.01m
4:58AM0.13m
5:38PM0.00m
5:48AM0.16m
6:23PM0.01m
6:54AM0.17m
7:18PM0.01m
8:10AM0.15m
8:21PM0.00m
9:21AM0.09m
9:22PM-0.03m
10:24AM0.00m
10:21PM-0.07m
11:23AM-0.08m
11:19PM-0.11m
12:21PM-0.16m
00:16AM-0.15m
1:16PM-0.22m
1:13AM-0.18m
2:09PM-0.26m
2:08AM-0.19m
2:59PM-0.27m
Wave
height (m) 
direction
period (s) 
0.7
NW
3
0.7
ESE
6
0.4
ENE
6
0.9
SSW
4
1.1
E
10
0.9
E
10
0.8
E
10
0.9
E
10
1.1
ESE
5
1.9
E
7
1.9
E
7
1.3
E
7
1
E
7
0.9
E
12
1.7
S
5
1.3
S
7
1.3
W
4
1.5
W
5
1.3
W
5
1.1
WNW
4
0.8
WNW
4
0.5
WSW
3
0.7
SW
4
0.6
S
5
0.4
S
6
0.3
ESE
12
0.9
NNE
4
0.8
N
4
0.7
NNW
3
0.6
N
3
0.4
ESE
11
0.3
ESE
11
0.3
ESE
12
0.4
ESE
11
0.5
ESE
11
clear
clear
part cloud
light rain
part cloud
part cloud
cloud
light snow
heavy rain
light rain
cloud
part cloud
part cloud
cloud
mod rain
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
light snow
cloud
clear
clear
part cloud
clear
clear
clear
part cloud
part cloud
cloud
clear
clear
some clouds
light rain
some clouds
some clouds
cloudy
light snow
heavy rain
light rain
cloudy
some clouds
some clouds
cloudy
mod rain
clear
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
some clouds
light snow
cloudy
clear
clear
some clouds
clear
clear
clear
some clouds
some clouds
cloudy
 km/h
30
NNW
20
NNW
5
E
30
SSW
25
WNW
20
NNW
15
NE
20
ESE
25
ESE
35
ENE
30
NE
15
NNE
5
SE
15
S
45
SSW
40
WNW
50
WNW
55
W
50
WNW
40
WNW
30
WNW
25
WSW
25
SW
20
W
15
W
15
WSW
30
N
25
NNW
25
NNW
20
NNW
15
NNW
10
WNW
10
SSW
15
SSW
20
S
 mm 
1
14
2
7
max°C
5
5
4
5
6
2
0
1
6
3
3
1
3
5
10
4
0
-2
-1
-1
-2
2
4
4
1
3
-1
-10
-10
-9
-7
-6
-3
1
3
Moonrise
10:25
10:49
11:13
11:36
12:01
12:29
1:04
1:47
2:43
3:50
5:05
6:22
Moonset
9:14
10:20
11:27
12:35
1:46
3:02
4:20
5:38
6:48
7:48
8:35
Sunrise
7:15
7:16
7:16
7:16
7:16
7:16
7:16
7:16
7:18
7:18
7:18
7:18
Sunset
4:40
4:42
4:43
4:43
4:44
4:45
4:45
4:45
4:46
4:47
4:49
4:50
Today's sea temperature in Nummy Island, Grassy Sound Channel is
5.8° C
(Statistics for 24 Dec 1981-2005 – mean: 7.1 max: 9.4 min: 5.0°C)
Issued (local time): 12 am Wednesday 24 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest