Nantucket Sea Conditions and Tide Table

Nantucket 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 05:26 AM and sunset is at 07:45 PM.

Days 1–3 Weather Summary

Light rain (total 2mm), mostly falling on Mon morning. Cool air temperatures (max 13°C on Sun night, min 9°C on Sun night). Winds increasing (calm on Mon afternoon, fresh winds from the NNW by Mon night).

Days 4–6 Weather Summary

Light rain (total 8mm), mostly falling on Thu morning. Cool air temperatures (max 14°C on Wed night, min 10°C on Wed morning). Winds decreasing (strong winds from the S on Wed night, light winds from the WSW by Fri night).

Days 7–9 Weather Summary

Light rain (total 7mm), mostly falling on Sat afternoon. Very mild (max 15°C on Sat night, min 12°C on Sat morning). Winds increasing (light winds from the NNW on Sat night, strong winds from the SW by Mon night).

Days 10–12 Weather Summary

Mostly dry. Very mild (max 17°C on Wed afternoon, min 13°C on Tue morning). Winds increasing (light winds from the SSE on Tue afternoon, strong winds from the SW by Thu night).

Days 13–16 Weather Summary

Light rain (total 3mm), mostly falling on Fri afternoon. Very mild (max 15°C on Fri afternoon, min 11°C on Fri night). Winds decreasing (strong winds from the SW on Fri morning, calm by Sat night).

Sunday
10
Monday
11
Tuesday
12
Wednesday
13
Thursday
14
Friday
15
Saturday
16
Sunday
17
Monday
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
Saturday
23
Sunday
24
Mon
25
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
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
Wave Height Map
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High Tide
6:59AM0.92m
7:49PM0.83m
7:53AM0.91m
8:35PM0.90m
8:48AM0.89m
9:20PM0.97m
9:43AM0.88m
10:06PM1.06m
10:39AM0.87m
10:54PM1.14m
11:35AM0.87m
11:45PM1.21m
12:33PM0.88m
00:38AM1.26m
1:29PM0.88m
1:33AM1.30m
2:25PM0.89m
2:28AM1.30m
3:20PM0.90m
3:25AM1.28m
4:17PM0.90m
4:23AM1.23m
5:16PM0.91m
5:24AM1.16m
6:16PM0.93m
6:27AM1.09m
7:16PM0.95m
7:31AM1.01m
Low Tide
1:06PM0.09m
1:24AM0.19m
1:52PM0.10m
2:21AM0.13m
2:39PM0.09m
3:18AM0.06m
3:27PM0.08m
4:13AM-0.02m
4:16PM0.06m
5:06AM-0.11m
5:05PM0.04m
5:59AM-0.17m
5:55PM0.02m
6:51AM-0.21m
6:46PM0.01m
7:44AM-0.22m
7:39PM0.01m
8:38AM-0.21m
8:35PM0.02m
9:35AM-0.18m
9:35PM0.05m
10:32AM-0.13m
10:37PM0.07m
11:29AM-0.08m
11:41PM0.09m
12:25PM-0.03m
00:47AM0.10m
1:20PM0.03m
Wave
Height (m)
Direction
Period (s)
1.4
S
8
1.4
S
8
1.3
SSE
8
1.1
SE
8
0.9
SE
8
0.9
ESE
8
0.9
ESE
8
0.7
ESE
7
0.9
WSW
4
0.8
SW
4
1
SSW
4
1.4
S
5
1.1
S
5
1
SSE
5
0.9
SSE
6
1.2
ESE
8
1.2
ESE
8
1
ESE
9
0.9
ESE
8
1.2
SSW
5
1
SSE
7
0.9
SSE
7
0.8
SE
8
0.9
SSE
7
1
S
7
1.2
SSW
7
1.5
SSW
7
1.1
S
7
1
S
7
0.8
S
7
0.7
S
7
0.7
S
6
0.6
SSE
7
0.9
SSW
4
1.1
SSW
4
1.5
SSW
6
1.6
SW
6
1.3
SSW
6
1
SSW
6
1.1
NE
4
0.8
S
6
0.6
S
7
0.6
S
6
0.4
SE
18
0.4
SE
17
0.4
SE
17
0.4
SE
16
part cloud
clear
cloud
light rain
cloud
part cloud
clear
clear
part cloud
part cloud
cloud
cloud
light rain
light rain
clear
clear
part cloud
part cloud
cloud
light rain
clear
part cloud
clear
rain showers
rain showers
rain showers
rain showers
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
rain showers
light rain
clear
clear
clear
clear
clear
clear
part cloud
part cloud
some clouds
clear
cloudy
light rain
cloudy
some clouds
clear
clear
some clouds
some clouds
cloudy
cloudy
light rain
light rain
clear
clear
some clouds
some clouds
cloudy
light rain
clear
some clouds
clear
rain shwrs
rain shwrs
rain shwrs
rain shwrs
clear
clear
some clouds
clear
clear
clear
clear
clear
some clouds
some clouds
rain shwrs
light rain
clear
clear
clear
clear
clear
clear
some clouds
some clouds
km/h
15
SSW
20
SW
20
NW
20
NNW
10
SSW
25
NNW
20
NNW
15
SSE
35
WSW
30
SSW
35
S
40
S
30
S
20
SSW
20
WNW
25
WSW
15
W
30
WSW
25
SSW
30
SW
15
NNE
15
SE
20
SSE
15
WSW
25
SSW
30
SSW
30
WSW
10
NW
10
SSE
15
SW
15
SW
20
SSW
20
SSW
30
SSW
35
SW
45
SW
40
SW
25
WSW
25
NE
35
NE
20
E
15
NNW
15
NE
10
SE
20
WSW
15
WSW
15
SW
2
5
3
1
1
2
1
2
2
1
max °C
12
12
13
9
11
12
11
11
11
11
11
14
13
12
12
10
12
13
13
13
15
13
14
15
13
13
15
15
16
16
16
17
17
17
16
16
14
15
14
13
11
13
12
12
13
13
14
Moonrise
2:07
2:30
2:52
3:14
3:38
4:06
4:41
5:25
6:22
7:31
8:47
10:04
11:19
12:30
1:37
2:42
Moonset
12:49
1:56
3:06
4:17
5:33
6:54
8:16
9:35
10:45
11:42
12:25
12:59
1:25
1:48
2:09
Sunrise
5:26
5:26
5:24
5:24
5:22
5:22
5:20
5:20
5:18
5:18
5:16
5:16
5:16
5:15
5:13
5:13
Sunset
7:45
7:46
7:47
7:49
7:50
7:51
7:52
7:52
7:53
7:54
7:55
7:57
7:58
7:59
8:00
8:00
Today's sea temperature in Nantucket is
9.8° C
(Statistics for 10 May 1981-2005 – mean: 9.7 max: 11.9 min: 7.7°C)
Issued (local time): 7 am Sunday 10 May 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest