Stage Harbor, Nantucket Sound Sea Conditions and Tide Table

Stage 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 — and sunset is at 08:10 PM.

Days 1–4 Weather Summary

Mostly dry. Warm air temperatures (max 26°C on Thu night, min 19°C on Fri morning). Winds decreasing (fresh winds from the NNW on Fri morning, calm by Sat morning).

Days 5–7 Weather Summary

Mostly dry. Warm air temperatures (max 23°C on Sun night, min 17°C on Mon morning). Winds decreasing (fresh winds from the NNW on Mon morning, calm by Wed morning).

Days 8–10 Weather Summary

Light rain (total 8mm), mostly falling on Fri morning. Warm (max 27°C on Sat afternoon, min 19°C on Wed night). Winds decreasing (strong winds from the SW on Thu afternoon, light winds from the SSW by Sat afternoon).

Days 11–13 Weather Summary

Light rain (total 8mm), mostly falling on Mon night. Warm (max 28°C on Sun afternoon, min 19°C on Tue morning). Wind will be generally light.

Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sunday
27
Monday
28
Tue
29
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
6:02PM1.30m
6:28AM1.20m
6:55PM1.32m
7:28AM1.16m
7:51PM1.34m
8:31AM1.14m
8:51PM1.35m
9:35AM1.13m
9:51PM1.37m
10:38AM1.13m
10:51PM1.39m
11:38AM1.16m
11:48PM1.40m
12:33PM1.18m
00:42AM1.41m
1:24PM1.20m
1:33AM1.40m
2:12PM1.22m
2:21AM1.37m
2:57PM1.22m
3:08AM1.32m
3:41PM1.22m
3:54AM1.26m
4:24PM1.21m
Low Tide
00:11AM0.04m
12:29PM0.04m
1:10AM0.02m
1:25PM0.07m
2:12AM0.01m
2:24PM0.10m
3:15AM-0.01m
3:24PM0.10m
4:16AM-0.04m
4:24PM0.09m
5:14AM-0.06m
5:21PM0.08m
6:09AM-0.08m
6:16PM0.06m
7:00AM-0.09m
7:07PM0.05m
7:47AM-0.08m
7:57PM0.05m
8:32AM-0.06m
8:45PM0.06m
9:16AM-0.02m
9:32PM0.08m
9:59AM0.03m
Wave
height (m) 
direction
period (s) 
0.6
S
4.0
0.6
NNW
3.0
0.4
E
9.0
0.3
E
9.0
0.2
E
9.0
0.5
S
3.0
0.6
S
4.0
0.6
S
3.0
0.6
S
4.0
0.5
NW
3.0
0.7
N
4.0
0.5
NE
6.0
0.6
NE
5.0
0.6
NE
5.0
0.4
NE
5.0
0.2
E
5.0
0.1
SE
8.0
0.4
SSW
3.0
0.5
SSW
3.0
0.8
SSW
4.0
0.9
SSW
4.0
0.8
SSW
4.0
0.7
SSW
4.0
0.6
SSW
4.0
0.5
S
3.0
0.3
SE
5.0
0.5
S
3.0
0.4
SSE
4.0
0.3
SE
6.0
0.4
S
3.0
0.3
ESE
7.0
0.3
ESE
7.0
0.5
S
3.0
0.3
SSW
3.0
0.4
NNE
3.0
0.4
NE
4.0
clear
part cloud
clear
clear
clear
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
cloud
rain showers
thunderstorm
clear
clear
rain showers
thunderstorm
clear
cloud
part cloud
thunderstorm
part cloud
part cloud
clear
some clouds
clear
clear
clear
some clouds
clear
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
rain shwrs
cloudy
rain shwrs
risk tstorm
clear
clear
rain shwrs
risk tstorm
clear
cloudy
some clouds
risk tstorm
some clouds
some clouds
 km/h
25
W
30
NNW
15
ENE
10
WSW
15
S
25
SSW
25
SSW
30
SSW
25
SW
25
NW
30
NNW
10
NE
20
N
20
N
10
NE
10
W
15
S
25
SSW
25
SW
35
SW
35
SW
35
SW
30
SW
25
SW
20
SSW
15
SSW
25
SSW
15
SW
10
SW
20
SSW
15
SSW
15
SSW
30
S
10
W
20
NE
15
NE
 mm 
2
4
2
1
1
6
max°C
26
21
21
22
22
22
22
23
24
23
18
18
19
17
17
18
19
19
20
23
23
23
25
26
24
25
27
25
27
28
26
27
26
23
20
20
Moonrise
11:43
12:12
12:47
1:31
2:28
3:35
4:49
6:04
7:17
8:26
9:32
10:35
Moonset
12:48
2:04
3:22
4:40
5:53
6:57
7:47
8:27
8:57
9:22
9:43
10:03
10:21
Sunrise
5:20
5:20
5:22
5:22
5:24
5:24
5:26
5:26
5:26
5:28
5:28
5:30
Sunset
8:10
8:09
8:09
8:08
8:07
8:07
8:07
8:06
8:05
8:04
8:02
8:01
8:00
Today's sea temperature in Stage Harbor, Nantucket Sound is 19.6 °C (Statistics for 17 Jul 1981-2005 – mean: 19.3 max: 21.6 min: 17.7°C)
Issued (local time): 7 pm Thursday 17 Jul 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest