Great Point, Nantucket Island Sea Conditions and Tide Table

Great Point, Nantucket Island 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 06:45 AM and sunset is at 05:04 PM.

Days 1–3 Weather Summary

A light covering of new snow, mostly falling on Sat night. Icy conditions (max 4°C on Fri morning, min -5°C on Sun night). Winds decreasing (strong winds from the WNW on Fri morning, light winds from the WSW by Sat afternoon).

Days 4–6 Weather Summary

A dusting of new snow. Icy conditions (max 1°C on Wed night, min -6°C on Mon night). Winds decreasing (fresh winds from the NW on Mon afternoon, light winds from the NE by Tue night).

Days 7–9 Weather Summary

A dusting of snow giving way to moderate rain (total 18mm) heaviest on Sat night. Freeze-thaw conditions (max 7°C on Sat night, min -4°C on Fri night). Winds increasing (calm on Sat morning, near gales from the S by Sat night).

Days 10–12 Weather Summary

Light rain (total 9mm), mostly falling on Sun morning. Freeze-thaw conditions (max 7°C on Sun morning, min -7°C on Mon night). Winds increasing (moderate winds from the W on Sun night, gales from the WNW by Mon afternoon).

Friday
7
Saturday
8
Sunday
9
Monday
10
Tuesday
11
Wednesday
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
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
7:41PM0.81m
8:00AM0.96m
8:52PM0.81m
9:06AM0.97m
9:54PM0.83m
10:04AM0.98m
10:46PM0.86m
10:55AM0.99m
11:33PM0.88m
11:42AM1.00m
00:15AM0.90m
12:25PM0.99m
00:55AM0.91m
1:07PM0.97m
1:32AM0.91m
1:46PM0.94m
2:08AM0.91m
2:26PM0.91m
2:45AM0.91m
3:06PM0.87m
3:24AM0.89m
3:50PM0.82m
4:07AM0.87m
Low Tide
1:10PM0.03m
1:22AM0.11m
2:18PM0.02m
2:26AM0.11m
3:22PM0.01m
3:27AM0.09m
4:16PM-0.02m
4:21AM0.07m
5:04PM-0.03m
5:10AM0.05m
5:47PM-0.03m
5:54AM0.03m
6:27PM-0.02m
6:37AM0.03m
7:05PM-0.01m
7:18AM0.03m
7:42PM0.02m
7:59AM0.05m
8:19PM0.05m
8:40AM0.07m
8:58PM0.09m
9:24AM0.09m
9:40PM0.13m
Wave
height (m) 
direction
period (s) 
1.1
SE
9
1.1
SE
9
0.8
WNW
4
0.6
SE
9
0.4
SE
8
0.4
SE
8
1.2
ESE
6
1.2
SSE
9
0.9
E
7
0.8
E
7
0.7
E
8
0.7
NW
3
0.4
NE
7
0.4
ESE
10
0.5
S
3
0.3
ESE
10
0.4
ESE
10
0.6
SE
9
0.8
SE
8
1.6
ESE
6
1.3
ESE
8
1.3
ESE
8
1.1
E
8
0.6
ENE
8
0.4
E
8
0.4
ESE
8
1.7
SSE
6
1.4
SSE
8
1.7
SSE
11
1.3
SSE
11
1
SSE
10
1.6
WNW
5
1
WNW
4
0.8
W
4
1
W
4
1
WNW
4
clear
clear
part cloud
part cloud
cloud
mod snow
cloud
part cloud
clear
clear
part cloud
part cloud
cloud
cloud
light snow
clear
clear
part cloud
cloud
light snow
light rain
clear
clear
clear
cloud
cloud
heavy rain
mod rain
light rain
rain showers
part cloud
clear
clear
cloud
part cloud
clear
clear
clear
some clouds
some clouds
cloudy
mod snow
cloudy
some clouds
clear
clear
some clouds
some clouds
cloudy
cloudy
light snow
clear
clear
some clouds
cloudy
light snow
light rain
clear
clear
clear
cloudy
cloudy
heavy rain
mod rain
light rain
rain shwrs
some clouds
clear
clear
cloudy
some clouds
clear
 km/h
25
W
40
WNW
35
WNW
25
NW
10
WSW
30
ESE
35
N
30
NNW
25
WNW
30
WNW
30
NW
30
NW
10
WNW
20
SW
25
SSE
15
N
20
N
15
NNE
30
SE
45
ESE
30
WNW
40
NW
35
NW
20
NW
5
NNE
20
S
60
S
40
SSW
35
WSW
30
WNW
40
WNW
60
WNW
40
WNW
40
W
40
W
45
WNW
 mm 
3
1.0
14
7
1.0
1.0
max°C
4
1
-2
-2
-2
2
1
0
0
-4
-2
-5
-4
-3
-1
0
0
1
1
3
6
0
-1
-3
-3
1
7
7
5
4
-1
-2
-4
-2
-1
-3
Moonrise
11:49
12:47
1:53
3:03
4:14
5:22
6:27
7:30
8:31
9:32
10:34
11:37
Moonset
3:08
4:14
5:09
5:53
6:27
6:54
7:17
7:37
7:56
8:14
8:34
8:55
Sunrise
6:45
6:43
6:41
6:41
6:39
6:37
6:37
6:35
6:35
6:33
6:31
6:30
Sunset
5:04
5:05
5:06
5:07
5:08
5:09
5:10
5:12
5:14
5:15
5:15
5:16
Today's sea temperature in Great Point, Nantucket Island is 3.1 °C (Statistics for 07 Feb 1981-2005 – mean: 5.1 max: 6.5 min: 3.7°C)
Issued (local time): 12 pm Friday 07 Feb 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest