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 06:28 AM and sunset is at 07:00 PM.

Days 1–3 Weather Summary

Heavy rain (total 50mm), heaviest during Thu night. Low air temperatures (max 8°C on Sat night, min 3°C on Sat morning). Winds decreasing (strong winds from the NNW on Fri morning, light winds from the WNW by Sat night).

Days 4–6 Weather Summary

Light rain (total 2mm), mostly falling on Tue night. Cool air temperatures (max 11°C on Sun night, min 3°C on Tue night). Winds increasing (calm on Mon night, strong winds from the ESE by Tue night).

Days 7–9 Weather Summary

Heavy rain (total 36mm), heaviest during Wed night. Very mild (max 10°C on Wed night, min 3°C on Thu night). Mainly near gales.

Days 10–12 Weather Summary

Mostly dry. Very mild (max 12°C on Mon afternoon, min 3°C on Sat afternoon). Winds decreasing (strong winds from the NNE on Sat morning, light winds from the WSW by Sun afternoon).

Thursday
28
Friday
29
Saturday
30
Sunday
31
Monday
1
Tuesday
2
Wednesday
3
Thursday
4
Friday
5
Saturday
6
Sunday
7
Monday
8
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
2:33PM0.37m
2:41AM0.39m
3:12PM0.35m
3:19AM0.39m
3:55PM0.34m
4:02AM0.38m
4:44PM0.33m
4:52AM0.38m
5:40PM0.32m
5:50AM0.37m
6:41PM0.32m
6:54AM0.38m
7:44PM0.34m
7:59AM0.39m
8:46PM0.36m
9:02AM0.41m
9:43PM0.39m
10:02AM0.43m
10:35PM0.42m
10:58AM0.44m
11:25PM0.45m
11:51AM0.45m
00:13AM0.47m
Low Tide
8:26AM0.01m
8:37PM0.04m
9:06AM0.02m
9:16PM0.05m
9:48AM0.02m
9:58PM0.06m
10:36AM0.03m
10:47PM0.07m
11:30AM0.04m
11:42PM0.08m
12:30PM0.04m
00:45AM0.07m
1:33PM0.03m
1:50AM0.06m
2:34PM0.01m
2:53AM0.04m
3:32PM-0.01m
3:53AM0.01m
4:25PM-0.03m
4:49AM-0.03m
5:16PM-0.04m
5:42AM-0.05m
6:04PM-0.05m
Wave
height (m) 
direction
period (s) 
1.3
ESE
10
1.3
ESE
10
1.6
SE
10
1.9
SE
11
1.6
SE
11
1.9
ESE
10
1.8
W
6
1.8
WSW
5
0.9
ESE
11
0.8
ESE
10
0.8
ESE
10
1.1
SE
10
0.8
ESE
10
0.7
ESE
10
0.5
ESE
10
0.4
ESE
9
0.4
ESE
9
0.7
ENE
6
2.1
SE
6
2.3
SE
8
1.8
SSE
8
2.5
S
10
2.5
S
10
2
S
10
1.8
S
9
1.9
NNE
6
2.1
NE
8
2
ENE
9
2.1
ENE
10
1.6
E
11
1.4
E
12
1.3
E
12
1.1
E
12
1
E
12
1
E
12
1.1
SSE
7
light rain
mod rain
heavy rain
light rain
light rain
part cloud
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
clear
clear
cloud
light rain
mod rain
mod rain
heavy rain
part cloud
light rain
light rain
light rain
light rain
light rain
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
light rain
mod rain
heavy rain
light rain
light rain
some clouds
clear
clear
some clouds
some clouds
clear
some clouds
some clouds
some clouds
clear
clear
cloudy
light rain
mod rain
mod rain
heavy rain
some clouds
light rain
light rain
light rain
light rain
light rain
cloudy
cloudy
clear
clear
clear
clear
clear
clear
clear
 km/h
15
NNE
15
NNE
40
N
45
NNW
30
NW
45
WNW
45
WNW
45
W
15
W
10
WSW
20
SW
30
NNW
25
NNE
20
NE
15
WNW
10
NE
15
E
25
SE
55
SE
45
SSE
30
SW
45
WSW
45
W
35
WNW
45
N
50
NNE
50
NNE
45
NNE
40
NNE
20
N
10
NNW
20
SW
25
WSW
20
WSW
25
SW
30
WSW
 mm 
4
10
29
5
2.0
2.0
6
10
12
3
1.0
1.0
1.0
2.0
max°C
7
7
6
5
7
7
4
6
8
7
8
11
5
4
5
5
4
4
6
9
10
5
5
6
4
4
4
4
3
3
3
6
8
11
12
11
Moonrise
10:42
11:49
12:56
1:59
2:54
3:40
4:18
4:49
5:16
5:41
6:05
Moonset
7:47
8:15
8:50
9:34
10:29
11:35
12:49
2:07
3:27
4:46
6:04
7:23
Sunrise
6:28
6:26
6:24
6:22
6:22
6:20
6:18
6:16
6:15
6:13
6:11
6:09
Sunset
7:00
7:01
7:02
7:04
7:05
7:06
7:07
7:07
7:08
7:09
7:10
7:13
Today's sea temperature in Siasconset, Nantucket Island is 5.1 °C (Statistics for 28 Mar 1981-2005 – mean: 5.7 max: 7.2 min: 4.3°C)
Nearest