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 06:31 AM and sunset is at 04:16 PM.

Days 1–3 Weather Summary

Mostly dry. Low air temperatures (max 7°C on Tue afternoon, min 4°C on Tue morning). Winds decreasing (fresh winds from the WNW on Tue morning, calm by Thu night).

Days 4–6 Weather Summary

Moderate rain (total 15mm), heaviest on Sat morning. Cool air temperatures (max 11°C on Fri night, min 5°C on Sat night). Winds decreasing (fresh winds from the N on Sat afternoon, calm by Sun morning).

Days 7–9 Weather Summary

Moderate rain (total 18mm), heaviest on Wed afternoon. Very mild (max 11°C on Wed night, min 5°C on Wed morning). Mainly strong winds.

Days 10–12 Weather Summary

Heavy rain (total 23mm), heaviest during Sat morning. Very mild (max 14°C on Fri night, min 2°C on Sat night). Winds increasing (light winds from the W on Thu night, near gales from the S by Fri night).

Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
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
10:42AM1.30m
11:30PM1.08m
11:15AM1.29m
00:09AM1.04m
11:46AM1.28m
00:42AM1.01m
12:17PM1.28m
1:13AM0.98m
12:50PM1.27m
1:46AM0.96m
1:26PM1.26m
2:22AM0.95m
2:06PM1.26m
3:04AM0.95m
2:51PM1.24m
3:50AM0.97m
3:41PM1.22m
4:40AM1.00m
4:36PM1.19m
5:30AM1.06m
5:34PM1.17m
6:19AM1.14m
6:34PM1.16m
Low Tide
4:37PM0.13m
4:22AM0.30m
5:13PM0.12m
4:58AM0.32m
5:48PM0.11m
5:36AM0.33m
6:26PM0.10m
6:16AM0.33m
7:07PM0.09m
7:49PM0.09m
7:43AM0.33m
8:33PM0.09m
8:30AM0.33m
9:18PM0.09m
9:20AM0.32m
10:05PM0.09m
10:13AM0.30m
10:53PM0.10m
11:09AM0.26m
11:42PM0.11m
12:08PM0.20m
00:33AM0.11m
Wave
height (m) 
direction
period (s) 
0.8
WNW
4
0.7
WNW
3
0.4
WNW
3
0.3
N
5
0.2
E
13
0.1
E
12
0.1
E
12
0.1
E
9
0.1
SE
7
0.1
SE
6
0.4
SSW
2
0.7
SSW
4
0.4
NE
4
0.8
NE
4
0.7
ENE
6
0.4
ENE
6
0.4
ENE
6
0.4
WSW
3
0.5
NNE
5
0.3
E
9
0.4
E
9
0.5
NNE
5
0.4
NE
5
0.3
E
9
0.3
E
9
0.9
ESE
4
1.2
ESE
7
1
ESE
7
0.8
E
7
0.6
E
7
0.5
E
7
0.9
ESE
4
1.4
SE
7
1.3
SE
10
1.4
SE
11
1.4
SE
11
clear
clear
part cloud
part cloud
clear
clear
cloud
cloud
part cloud
clear
part cloud
light rain
mod rain
light rain
clear
clear
part cloud
clear
clear
cloud
part cloud
clear
clear
part cloud
cloud
heavy rain
rain showers
cloud
cloud
cloud
part cloud
light rain
mod rain
heavy rain
part cloud
clear
clear
clear
some clouds
some clouds
clear
clear
cloudy
cloudy
some clouds
clear
some clouds
light rain
mod rain
light rain
clear
clear
some clouds
clear
clear
cloudy
some clouds
clear
clear
some clouds
cloudy
heavy rain
rain shwrs
cloudy
cloudy
cloudy
some clouds
light rain
mod rain
heavy rain
some clouds
clear
 km/h
35
WNW
30
WNW
20
W
10
WNW
5
N
10
N
10
ENE
10
NE
5
WNW
10
SW
20
SSW
25
SW
25
N
30
N
20
N
0
W
15
SW
20
WSW
25
WNW
15
W
15
W
25
NW
15
N
10
N
10
SE
40
SE
10
SE
25
NNW
20
NNW
5
WSW
15
SSE
35
ESE
45
SSE
30
S
45
SW
40
WSW
 mm 
5
9
1
12
6
5
6
12
max°C
6
7
5
5
5
5
6
6
6
8
9
11
9
8
7
6
6
7
8
9
8
7
8
7
6
6
11
8
7
8
9
11
14
13
9
6
Moonrise
5:03
6:07
7:10
8:11
9:08
9:57
10:39
11:13
11:42
12:07
12:29
12:51
Moonset
3:04
3:32
4:05
4:46
5:36
6:33
7:36
8:42
9:50
10:59
12:08
Sunrise
6:31
6:33
6:35
6:35
6:37
6:37
6:39
6:41
6:41
6:43
6:43
6:45
Sunset
4:16
4:15
4:15
4:15
4:14
4:14
4:13
4:13
4:12
4:12
4:10
4:10
Today's sea temperature in Saquatucket Harbor, Nantucket Sound is
10.5° C
(Statistics for 18 Nov 1981-2005 – mean: 10.8 max: 12.2 min: 9.1°C)
Issued (local time): 12 pm Tuesday 18 Nov 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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