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 — and sunset is at 07:37 PM.

Days 1–4 Weather Summary

Mostly dry. Warm air temperatures (max 24°C on Fri afternoon, min 7°C on Sun afternoon). Mainly strong winds.

Days 5–7 Weather Summary

Some drizzle, heaviest during Wed afternoon. Cool air temperatures (max 16°C on Wed morning, min 5°C on Tue morning). Winds decreasing (fresh winds from the WNW on Mon afternoon, calm by Wed night).

Days 8–10 Weather Summary

Light rain (total 2mm), mostly falling on Fri night. Very mild (max 17°C on Fri afternoon, min 12°C on Thu afternoon). Wind will be generally light.

Days 11–13 Weather Summary

Moderate rain (total 10mm), heaviest on Sun night. Warm (max 21°C on Tue night, min 9°C on Wed morning). Winds increasing (calm on Sun afternoon, fresh winds from the SSE by Tue morning).

Fri
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
1
Saturday
2
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
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
Wave Height Map
High Tide
8:44PM1.63m
9:15AM1.38m
9:29PM1.65m
10:04AM1.34m
10:18PM1.62m
11:00AM1.29m
11:13PM1.56m
12:00PM1.24m
00:13AM1.48m
1:02PM1.20m
1:16AM1.41m
2:04PM1.19m
2:19AM1.34m
3:06PM1.19m
3:21AM1.29m
4:08PM1.23m
4:24AM1.26m
5:08PM1.28m
5:24AM1.26m
6:02PM1.36m
6:18AM1.26m
6:50PM1.42m
7:06AM1.27m
7:32PM1.48m
7:49AM1.27m
8:11PM1.50m
8:29AM1.25m
Low Tide
2:46PM-0.12m
3:30AM-0.16m
3:31PM-0.12m
4:19AM-0.16m
4:18PM-0.09m
5:08AM-0.13m
5:06PM-0.03m
6:00AM-0.07m
5:58PM0.05m
6:58AM0.01m
6:58PM0.13m
8:04AM0.08m
8:09PM0.20m
9:13AM0.10m
9:25PM0.22m
10:17AM0.09m
10:33PM0.19m
11:11AM0.06m
11:31PM0.14m
11:59AM0.03m
00:23AM0.09m
12:43PM0.02m
1:11AM0.05m
1:24PM0.02m
1:56AM0.02m
2:04PM0.03m
2:39AM0.00m
2:42PM0.05m
Wave
height (m) 
direction
period (s) 
0.8
SSE
6
0.7
SSE
6
0.8
E
4
0.7
E
4
0.8
ESE
4
1.1
WNW
4
0.6
SE
6
0.5
E
8
0.8
E
8
0.9
WNW
4
0.4
ESE
7
0.4
ESE
7
0.6
S
3
1.4
S
6
0.8
S
6
0.6
S
6
0.4
S
5
0.5
S
6
0.5
S
6
0.5
SSE
6
0.5
E
7
0.7
S
4
0.6
S
4
0.5
S
4
0.5
S
4
0.5
SE
4
0.5
SE
4
0.7
SSE
5
0.9
SE
5
0.9
E
5
0.9
E
6
1
ESE
4
1.2
SE
5
1.1
ESE
6
1
ESE
6
0.8
SE
6
0.7
E
10
0.5
E
10
0.4
ESE
10
0.5
E
10
0.5
E
10
0.4
ESE
10
1
S
4
1.6
S
6
1.3
S
6
1
S
6
0.9
SSE
6
clear
clear
part cloud
part cloud
cloud
cloud
part cloud
clear
part cloud
clear
clear
clear
clear
part cloud
cloud
light rain
clear
clear
clear
clear
clear
clear
rain showers
part cloud
part cloud
rain showers
cloud
light rain
rain showers
part cloud
part cloud
light rain
light rain
rain showers
thunderstorm
part cloud
cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
clear
clear
thunderstorm
rain showers
clear
clear
some clouds
some clouds
cloudy
cloudy
some clouds
clear
some clouds
clear
clear
clear
clear
some clouds
cloudy
light rain
clear
clear
clear
clear
clear
clear
rain shwrs
some clouds
some clouds
rain shwrs
cloudy
light rain
rain shwrs
some clouds
some clouds
light rain
light rain
rain shwrs
risk tstorm
some clouds
cloudy
some clouds
some clouds
clear
clear
some clouds
some clouds
clear
clear
risk tstorm
rain shwrs
 km/h
20
WNW
20
ENE
20
E
15
ESE
20
SE
40
NW
15
NW
15
SSW
30
WNW
30
NW
15
NNE
5
SSE
25
S
30
SSW
20
WNW
5
NNE
10
NNW
15
ENE
15
SE
15
S
15
S
25
S
15
SSE
10
E
15
ESE
20
E
5
NE
5
S
15
NNE
20
ENE
20
E
25
SE
25
S
10
WSW
30
NW
20
NNW
15
WNW
10
W
10
SW
15
S
10
NNW
15
SSE
35
S
35
SSW
25
SW
25
WSW
30
NW
 mm 
1
1
1
1
4
1
2
1
1
14
18
max°C
24
22
10
10
14
15
10
13
9
11
10
7
11
14
16
15
13
12
12
13
15
17
17
17
16
16
14
16
13
11
11
13
15
20
21
12
14
14
14
15
16
15
17
16
20
23
15
Moonrise
6:37
7:17
8:07
9:08
10:17
11:30
12:43
1:53
3:00
4:04
5:07
6:09
7:11
8:14
9:17
Moonset
8:17
9:36
10:55
12:08
1:10
2:00
2:40
3:11
3:38
4:01
4:23
4:45
5:08
5:34
6:03
Sunrise
6:18
6:16
6:16
6:13
6:13
6:11
6:09
6:09
6:07
6:05
6:05
6:03
6:01
6:01
6:00
Sunset
7:37
7:37
7:38
7:39
7:40
7:42
7:43
7:44
7:45
7:45
7:46
7:47
7:49
7:50
7:51
7:52
Today's sea temperature in Nummy Island, Grassy Sound Channel is
11.4° C
(Statistics for 17 Apr 1981-2005 – mean: 7.3 max: 10.2 min: 3.8°C)
Issued (local time): 1 pm Friday 17 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest