Saquatucket Harbor, Nantucket Sound Sea Conditions and Tide Table

Saquatucket Harbor, Nantucket Sound 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 07:03 AM and sunset is at 04:13 PM.

Days 1–3 Weather Summary

A dusting of snow giving way to moderate rain (total 10mm) heaviest on Tue afternoon. Icy conditions (max 5°C on Tue night, min -3°C on Mon morning). Winds increasing (light winds from the W on Mon night, strong winds from the NW by Wed morning).

Days 4–6 Weather Summary

Mostly dry. Icy conditions (max 3°C on Thu afternoon, min -5°C on Fri morning). Winds decreasing (strong winds from the NW on Thu night, calm by Sat night).

Days 7–9 Weather Summary

Moderate rain (total 14mm), heaviest on Sun afternoon. Freeze-thaw conditions (max 8°C on Sun afternoon, min -5°C on Mon night). Winds decreasing (near gales from the W on Mon morning, moderate winds from the WNW by Tue night).

Days 10–12 Weather Summary

Mostly dry. Freeze-thaw conditions (max 2°C on Sat morning, min -3°C on Wed morning). Mainly fresh winds.

Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
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
1:05PM1.28m
1:57AM0.96m
1:44PM1.27m
2:35AM0.99m
2:27PM1.26m
3:17AM1.03m
3:15PM1.22m
4:03AM1.09m
4:08PM1.18m
4:51AM1.16m
5:06PM1.14m
5:42AM1.23m
6:07PM1.10m
6:34AM1.32m
7:09PM1.07m
7:28AM1.40m
8:12PM1.05m
8:24AM1.48m
9:15PM1.05m
9:20AM1.52m
10:17PM1.06m
10:18AM1.57m
11:15PM1.09m
Low Tide
7:25PM0.05m
7:19AM0.27m
8:06PM0.04m
8:07AM0.25m
8:49PM0.03m
8:57AM0.23m
9:34PM0.04m
9:50AM0.19m
10:19PM0.05m
10:45AM0.15m
11:07PM0.07m
11:44AM0.10m
11:58PM0.09m
12:45PM0.04m
00:51AM0.10m
1:47PM-0.03m
1:46AM0.10m
2:47PM-0.09m
2:40AM0.10m
3:44PM-0.13m
3:35AM0.08m
4:40PM-0.16m
4:30AM0.06m
Wave
height (m) 
direction
period (s) 
1.1
NNW
4
0.6
NE
7
0.4
NNE
5
0.2
E
10
0.2
E
10
0.6
ESE
4
1.1
NNW
4
1.5
ENE
9
1
E
9
0.9
E
10
0.9
ENE
11
1.1
NE
7
1.2
NNE
7
0.9
NE
7
0.7
NE
6
0.9
NE
6
0.6
NE
6
0.4
ENE
6
0.9
SSE
4
1.3
SSE
5
1.1
SW
6
1.3
WNW
4
1.2
WNW
4
1
WNW
4
0.9
WNW
4
0.8
WNW
4
0.7
NW
3
0.6
WNW
3
0.5
N
5
0.6
WNW
3
0.7
NW
3
0.5
N
6
0.6
NNE
6
0.6
NE
7
0.6
NE
6
0.6
N
5
clear
clear
part cloud
cloud
light snow
rain showers
light rain
cloud
part cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
light rain
mod rain
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
clear
clear
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
some clouds
cloudy
light snow
rain shwrs
light rain
cloudy
some clouds
cloudy
some clouds
some clouds
some clouds
cloudy
cloudy
cloudy
some clouds
some clouds
light rain
mod rain
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
clear
clear
some clouds
clear
clear
some clouds
clear
clear
clear
 km/h
40
NW
20
NW
20
W
10
SSW
15
SSE
30
WNW
45
NW
35
NNE
15
WNW
25
SW
25
W
40
NW
35
N
25
NNE
20
NNE
25
NE
20
NNE
5
SSE
40
S
45
S
45
W
50
W
50
W
40
WNW
40
W
30
WNW
30
WNW
25
WNW
25
W
30
W
30
WNW
20
W
25
NW
25
N
20
NW
25
WNW
 mm 
4
5
1
5
9
max°C
-2
1
2
2
3
5
2
2
1
2
3
2
-4
-3
-2
-2
-3
1
6
8
6
-3
-3
-4
-4
-3
-4
-2
-1
-2
0
0
0
1
1
0
Moonrise
9:15
9:45
10:10
10:33
10:54
11:15
11:38
12:04
12:37
1:18
2:11
3:18
Moonset
6:35
7:43
8:50
9:58
11:07
12:17
1:31
2:49
4:09
5:29
6:40
Sunrise
7:03
7:03
7:05
7:05
7:05
7:05
7:05
7:05
7:05
7:07
7:07
7:07
Sunset
4:13
4:14
4:14
4:15
4:15
4:15
4:16
4:17
4:17
4:19
4:20
4:21
Today's sea temperature in Saquatucket Harbor, Nantucket Sound is
6.7° C
(Statistics for 22 Dec 1981-2005 – mean: 7.7 max: 9.4 min: 6.2°C)
Issued (local time): 6 am Monday 22 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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