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 06:03 AM and sunset is at 07:49 PM.

Days 1–3 Weather Summary

Light rain (total 6mm), mostly falling on Wed night. Cool air temperatures (max 16°C on Thu afternoon, min 8°C on Thu night). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Cool air temperatures (max 14°C on Sun afternoon, min 8°C on Sun morning). Winds increasing (light winds from the W on Sat morning, strong winds from the SSW by Mon night).

Days 7–9 Weather Summary

Heavy rain (total 23mm), heaviest during Thu night. Warm (max 20°C on Thu afternoon, min 9°C on Thu night). Winds decreasing (strong winds from the SSW on Tue morning, calm by Wed afternoon).

Days 10–12 Weather Summary

Light rain (total 3mm), mostly falling on Sat night. Very mild (max 17°C on Sat afternoon, min 10°C on Sun night). Winds decreasing (fresh winds from the WNW on Fri afternoon, calm by Sun night).

Wednesday
29
Thursday
30
Friday
1
Saturday
2
Sunday
3
Monday
4
Tuesday
5
Wednesday
6
Thursday
7
Friday
8
Saturday
9
Sunday
10
Monday
11
Tuesday
12
Wednesday
13
Thu
14
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
AM
PM
Wave Height Map
High Tide
7:06AM1.27m
7:32PM1.48m
7:49AM1.27m
8:11PM1.50m
8:29AM1.25m
8:47PM1.50m
9:08AM1.23m
9:23PM1.47m
9:47AM1.18m
9:59PM1.42m
10:27AM1.13m
10:36PM1.37m
11:10AM1.08m
11:15PM1.31m
11:55AM1.04m
11:58PM1.26m
12:42PM1.02m
00:45AM1.22m
1:31PM1.02m
1:35AM1.20m
2:20PM1.05m
2:27AM1.19m
3:12PM1.11m
3:23AM1.19m
4:06PM1.20m
4:23AM1.20m
5:01PM1.31m
5:24AM1.23m
5:55PM1.43m
Low Tide
1:24PM0.02m
1:56AM0.02m
2:04PM0.03m
2:39AM0.00m
2:42PM0.05m
3:20AM0.00m
3:20PM0.09m
4:00AM0.02m
3:56PM0.13m
4:37AM0.05m
4:31PM0.18m
5:15AM0.09m
5:05PM0.23m
5:53AM0.15m
5:40PM0.29m
6:33AM0.20m
6:19PM0.34m
7:20AM0.24m
7:10PM0.37m
8:16AM0.25m
8:25PM0.39m
9:16AM0.23m
9:41PM0.35m
10:11AM0.17m
10:45PM0.27m
11:01AM0.11m
11:41PM0.16m
11:49AM0.04m
Wave
height (m) 
direction
period (s) 
1
E
10
1.1
E
10
1.3
E
10
1.1
E
11
1.1
E
10
1
E
10
0.9
ESE
10
0.8
ESE
10
0.7
ESE
9
0.6
E
9
0.6
E
9
0.6
E
10
0.7
ESE
10
0.9
ESE
9
0.7
ESE
9
0.6
ESE
9
1.1
S
4
1.6
S
6
1.6
S
7
1.7
S
6
1.5
SSE
7
0.9
SSE
6
0.8
SSE
6
0.6
SSE
5
0.9
SSE
5
1.3
SSE
6
1.1
SSE
7
0.9
SSE
7
0.9
SSE
7
0.5
SSE
7
0.6
SSE
6
0.6
SSE
6
0.6
ESE
8
0.6
SSE
6
0.6
ESE
13
0.4
SE
12
0.4
SE
12
0.4
ESE
12
0.5
SE
11
0.6
ESE
11
0.5
SE
11
0.6
ESE
10
1.5
ENE
6
1.5
ENE
6
1.1
E
6
0.8
E
6
0.7
E
6
cloud
cloud
light rain
cloud
clear
clear
clear
clear
rain showers
cloud
cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
cloud
clear
rain showers
light rain
part cloud
light rain
part cloud
clear
rain showers
clear
clear
clear
clear
clear
rain showers
clear
clear
clear
part cloud
clear
part cloud
cloud
light rain
light rain
clear
clear
clear
clear
clear
cloudy
cloudy
light rain
cloudy
clear
clear
clear
clear
rain shwrs
cloudy
cloudy
some clouds
clear
clear
clear
clear
some clouds
some clouds
cloudy
clear
rain shwrs
light rain
some clouds
light rain
some clouds
clear
rain shwrs
clear
clear
clear
clear
clear
rain shwrs
clear
clear
clear
some clouds
clear
some clouds
cloudy
light rain
light rain
clear
clear
clear
clear
clear
 km/h
15
SSE
20
SE
25
SSE
20
WNW
25
NW
25
NW
25
WNW
20
WNW
20
WSW
10
W
15
SSW
20
NW
25
WNW
20
WNW
15
WNW
15
SW
30
S
40
SSW
30
SSW
35
S
10
WSW
10
WNW
20
S
15
S
20
SSW
25
SSW
35
WNW
30
WNW
30
WNW
15
W
25
WSW
25
WNW
10
W
25
WNW
20
WNW
10
WNW
15
WNW
20
WNW
15
NNE
15
ENE
15
SE
15
E
35
ENE
30
ENE
15
NE
10
ENE
15
SSE
 mm 
5
1
2
1
1
19
3
1
1
max°C
12
12
12
14
16
14
11
15
14
12
12
11
10
14
14
13
14
14
15
18
17
16
17
17
17
20
17
13
16
15
16
17
16
13
17
16
13
16
16
13
12
11
10
10
10
13
14
Moonrise
6:09
7:11
8:14
9:17
10:18
11:14
12:04
12:47
1:24
1:55
2:22
2:47
3:10
3:34
4:00
Moonset
4:45
5:08
5:34
6:03
6:37
7:18
8:06
9:01
10:01
11:04
12:08
1:12
2:18
3:25
4:35
5:49
Sunrise
6:03
6:01
6:01
6:00
5:58
5:58
5:56
5:54
5:54
5:52
5:52
5:50
5:50
5:48
5:48
5:47
Sunset
7:49
7:50
7:51
7:52
7:52
7:53
7:54
7:55
7:57
7:58
7:59
8:00
8:00
8:01
8:01
8:02
Today's sea temperature in Nummy Island, Grassy Sound Channel is
11.0° C
(Statistics for 29 Apr 1981-2005 – mean: 9.1 max: 12.4 min: 6.1°C)
Issued (local time): 1 am Wednesday 29 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest