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 06:43 AM and sunset is at 05:05 PM.

Days 1–3 Weather Summary

Light rain (total 5mm), mostly falling on Tue night. Icy conditions (max 3°C on Tue night, min -11°C on Sun night). Winds decreasing (strong winds from the NW on Sun morning, light winds from the WSW by Tue morning).

Days 4–6 Weather Summary

Mostly dry. Icy conditions (max 1°C on Wed morning, min -5°C on Thu night). Winds decreasing (strong winds from the WNW on Wed morning, light winds from the NW by Fri afternoon).

Days 7–9 Weather Summary

A dusting of new snow. Freeze-thaw conditions (max 2°C on Sun afternoon, min -3°C on Sat morning). Winds increasing (calm on Sat night, gales from the N by Mon afternoon).

Days 10–12 Weather Summary

Some drizzle, heaviest during Fri morning. Freeze-thaw conditions (max 4°C on Thu afternoon, min 0°C on Tue morning). Winds increasing (light winds from the NNW on Thu morning, strong winds from the SE by Fri morning).

Sunday
8
Monday
9
Tuesday
10
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Mon
23
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
High Tide
5:16PM0.77m
5:30AM0.95m
6:11PM0.72m
6:21AM0.95m
7:06PM0.69m
7:13AM0.95m
8:00PM0.68m
8:04AM0.96m
8:53PM0.67m
8:54AM0.98m
9:43PM0.69m
9:42AM0.99m
10:29PM0.71m
10:28AM1.01m
11:13PM0.74m
11:13AM1.02m
11:54PM0.79m
11:57AM1.03m
00:33AM0.85m
12:40PM1.02m
1:12AM0.91m
1:23PM1.00m
1:51AM0.98m
2:08PM0.97m
2:33AM1.03m
2:56PM0.92m
3:19AM1.07m
3:49PM0.87m
Low Tide
10:49AM0.07m
10:50PM0.15m
11:44AM0.09m
11:38PM0.18m
12:41PM0.11m
00:30AM0.21m
1:40PM0.12m
1:22AM0.22m
2:36PM0.11m
2:15AM0.22m
3:25PM0.09m
3:04AM0.20m
4:07PM0.07m
3:50AM0.16m
4:44PM0.05m
4:33AM0.12m
5:19PM0.02m
5:16AM0.08m
5:55PM-0.00m
6:00AM0.03m
6:31PM-0.02m
6:46AM-0.01m
7:10PM-0.03m
7:35AM-0.05m
7:52PM-0.03m
8:27AM-0.07m
8:37PM-0.02m
9:21AM-0.08m
Wave
height (m) 
direction
period (s) 
1.7
E
11
1.6
E
11
1.7
E
12
1.3
E
12
1.2
E
11
0.9
E
11
0.7
E
12
0.7
E
11
1
SSW
4
1.3
WSW
5
1.6
SW
8
1.4
W
5
1
W
5
0.8
N
7
0.8
NE
7
0.7
NNE
7
0.6
N
6
0.5
N
6
0.6
NNE
5
0.4
NNE
5
0.4
NE
4
0.3
E
15
0.4
ESE
14
1.1
E
5
2.5
ENE
7
3
SE
11
3
ESE
12
3
E
13
2.5
E
13
2.1
E
13
1.9
E
13
1.7
E
13
1.6
E
12
1.2
E
12
0.9
E
11
0.8
E
11
1.4
SE
5
2.5
SSE
7
2.5
SSW
9
3
SSW
11
2.5
SSW
10
2
WNW
6
1.7
NW
5
1.5
NW
5
1.4
NW
5
1.2
NW
5
1
WNW
4
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
rain showers
clear
part cloud
part cloud
clear
part cloud
part cloud
cloud
part cloud
clear
clear
clear
part cloud
part cloud
cloud
cloud
light snow
light snow
part cloud
clear
part cloud
cloud
part cloud
part cloud
clear
clear
clear
part cloud
light rain
heavy rain
part cloud
clear
clear
clear
clear
clear
part cloud
clear
cloud
cloudy
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
rain shwrs
clear
some clouds
some clouds
clear
some clouds
some clouds
cloudy
some clouds
clear
clear
clear
some clouds
some clouds
cloudy
cloudy
light snow
light snow
some clouds
clear
some clouds
cloudy
some clouds
some clouds
clear
clear
clear
some clouds
light rain
heavy rain
some clouds
clear
clear
clear
clear
clear
some clouds
clear
cloudy
 km/h
40
NW
35
NNW
35
NW
25
NW
25
NW
25
NW
10
WSW
20
SSW
25
WSW
35
WNW
40
WNW
40
NW
25
NW
15
NW
25
WNW
20
NW
15
NW
20
NW
20
NW
10
WNW
10
W
10
ESE
20
E
35
NE
60
NNE
65
NNE
65
N
45
N
30
N
15
WSW
30
W
25
W
30
WNW
15
NW
10
NNE
20
ESE
50
SE
65
SSE
55
WSW
55
W
55
WNW
55
WNW
50
NW
45
NW
45
NW
40
NW
35
WNW
 mm 
5
3
21
max°C
-8
-7
-9
-7
-3
-5
-4
0
3
1
1
0
-2
0
-1
-4
-2
-2
-2
-1
-1
1
2
2
1
2
1
0
1
3
2
3
2
3
4
3
6
7
5
-1
-2
-6
-5
-5
-8
-8
-5
Moonrise
12:38
1:41
2:42
3:39
4:29
5:11
5:46
6:16
6:41
7:04
7:26
7:48
8:12
8:40
9:14
Moonset
9:37
10:05
10:39
11:20
12:09
1:07
2:11
3:19
4:28
5:38
6:48
7:58
9:10
10:24
11:41
Sunrise
6:43
6:41
6:41
6:39
6:39
6:37
6:35
6:35
6:33
6:31
6:31
6:28
6:28
6:26
6:24
6:22
Sunset
5:05
5:06
5:07
5:08
5:09
5:10
5:13
5:14
5:15
5:15
5:17
5:19
5:20
5:21
5:22
5:23
Today's sea temperature in Nantucket is
1.3° C
(Statistics for 08 Feb 1981-2005 – mean: 5.2 max: 6.7 min: 3.9°C)
Issued (local time): 12 pm Sunday 08 Feb 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest