Siasconset, Nantucket Island Sea Conditions and Tide Table

Siasconset, Nantucket 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 — and sunset is at 06:19 PM.

Days 1–4 Weather Summary

Mostly dry. Warm air temperatures (max 22°C on Wed afternoon, min 15°C on Thu afternoon). Wind will be generally light.

Days 5–7 Weather Summary

Light rain (total 4mm), mostly falling on Sat afternoon. Warm air temperatures (max 21°C on Fri afternoon, min 13°C on Sat night). Mainly strong winds.

Days 8–10 Weather Summary

Light rain (total 3mm), mostly falling on Mon afternoon. Very mild (max 16°C on Wed afternoon, min 12°C on Thu morning). Winds decreasing (strong winds from the WSW on Mon night, light winds from the SW by Tue night).

Days 11–13 Weather Summary

Heavy rain (total 92mm), heaviest during Sat night. Very mild (max 18°C on Sun morning, min 12°C on Thu afternoon). Winds increasing (calm on Thu afternoon, near gales from the S by Sun morning).

Tue
3
Wednesday
4
Thursday
5
Friday
6
Saturday
7
Sunday
8
Monday
9
Tuesday
10
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sun
15
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
Wave Height Map
High Tide
3:04PM0.44m
3:43AM0.38m
3:54PM0.42m
4:39AM0.36m
4:49PM0.39m
5:38AM0.34m
5:48PM0.37m
6:40AM0.33m
6:51PM0.36m
7:43AM0.32m
7:54PM0.36m
8:41AM0.33m
8:51PM0.36m
9:31AM0.34m
9:43PM0.37m
10:14AM0.36m
10:27PM0.38m
10:53AM0.37m
11:08PM0.38m
11:28AM0.39m
11:47PM0.39m
12:02PM0.40m
00:24AM0.39m
Low Tide
9:31PM-0.02m
9:44AM0.03m
10:25PM0.01m
10:37AM0.06m
11:22PM0.03m
11:33AM0.08m
00:23AM0.05m
12:35PM0.09m
1:26AM0.06m
1:37PM0.09m
2:27AM0.06m
2:37PM0.09m
3:19AM0.05m
3:30PM0.07m
4:04AM0.05m
4:17PM0.05m
4:43AM0.04m
4:59PM0.04m
5:19AM0.03m
5:38PM0.02m
5:55AM0.03m
6:17PM0.01m
6:30AM0.02m
Wave
height (m) 
direction
period (s) 
0.9
ESE
9
0.9
ESE
10
0.7
SE
11
0.6
SE
10
0.6
SE
10
0.7
SE
10
0.7
SE
9
0.7
SE
9
0.8
SE
9
1.1
SE
9
1.3
SE
8
1.5
SE
10
2
SE
11
2.5
SE
13
2.5
ESE
12
2.4
ESE
11
1.7
ESE
11
1.4
ESE
10
1.5
S
8
1.6
SW
7
1.5
SSW
7
1.3
SSE
9
1
SSE
8
0.8
SSE
8
0.8
SSE
8
0.8
SSE
8
0.5
ESE
11
0.4
ESE
10
0.4
ESE
10
0.6
NE
5
0.6
S
6
0.7
E
9
0.5
E
9
0.6
E
8
1.7
S
6
2.5
SSW
9
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
light rain
part cloud
clear
part cloud
rain showers
light rain
rain showers
part cloud
part cloud
part cloud
part cloud
rain showers
clear
part cloud
clear
clear
rain showers
clear
clear
clear
clear
part cloud
heavy rain
heavy rain
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
light rain
some clouds
clear
some clouds
rain shwrs
light rain
rain shwrs
some clouds
some clouds
some clouds
some clouds
rain shwrs
clear
some clouds
clear
clear
rain shwrs
clear
clear
clear
clear
some clouds
heavy rain
heavy rain
 km/h
20
WSW
20
W
5
NNW
5
ENE
15
SE
15
SE
15
SE
20
SE
20
ESE
25
ESE
25
ESE
20
ESE
25
ENE
30
WSW
50
WSW
45
WSW
35
WSW
30
SW
35
WSW
40
WSW
35
WSW
30
SW
15
WSW
20
W
10
NNE
20
NNW
10
NW
5
S
10
WSW
20
N
15
SW
20
WSW
10
SSE
25
SE
50
SSE
45
S
 mm 
2.0
1.0
1.0
1.0
2.0
1.0
71
19
max°C
18
20
21
22
21
17
17
17
20
21
19
17
17
16
14
14
15
14
14
15
15
15
15
15
16
14
12
13
14
13
13
14
14
14
17
18
Moonrise
8:45
9:29
10:22
11:20
12:23
1:26
2:29
3:31
4:32
5:34
6:36
7:40
Moonset
11:39
12:47
1:47
2:38
3:19
3:52
4:19
4:42
5:03
5:22
5:41
6:01
6:23
Sunrise
6:39
6:39
6:41
6:41
6:43
6:43
6:45
6:46
6:47
6:48
6:48
6:50
Sunset
6:19
6:16
6:15
6:14
6:12
6:09
6:08
6:07
6:06
6:04
6:01
6:00
Today's sea temperature in Siasconset, Nantucket Island is 16.8 °C (Statistics for 03 Oct 1981-2005 – mean: 16.9 max: 18.3 min: 14.3°C)
Nearest