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 — and sunset is at 06:42 PM.

Days 1–4 Weather Summary

A light covering of new snow on Thu night turning to drizzle on Fri night. Icy conditions (max 9°C on Fri night, min -1°C on Fri morning). Winds decreasing (gales from the WSW on Sat afternoon, light winds from the NE by Sun morning).

Days 5–7 Weather Summary

Moderate rain (total 14mm), heaviest on Tue morning. Icy conditions (max 13°C on Mon night, min -3°C on Wed morning). Winds decreasing (gales from the S on Mon night, light winds from the NE by Wed afternoon).

Days 8–10 Weather Summary

Light rain (total 2mm), mostly falling on Fri afternoon. Freeze-thaw conditions (max 6°C on Fri afternoon, min -3°C on Sat morning). Winds increasing (light winds from the WSW on Fri morning, near gales from the WNW by Sat morning).

Days 11–13 Weather Summary

A dusting of new snow. Freeze-thaw conditions (max 3°C on Mon night, min -6°C on Mon night). Winds decreasing (near gales from the WNW on Sat night, light winds from the SW by Tue afternoon).

Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Sat
28
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
night
AM
Wave Height Map
High Tide
7:54PM0.73m
8:06AM0.84m
8:54PM0.74m
9:05AM0.86m
9:49PM0.77m
9:59AM0.89m
10:36PM0.82m
10:47AM0.94m
11:18PM0.88m
11:31AM0.98m
11:57PM0.94m
12:13PM1.01m
00:35AM0.99m
12:57PM1.02m
1:16AM1.04m
1:41PM1.02m
1:58AM1.07m
2:27PM1.01m
2:42AM1.09m
3:15PM0.98m
3:29AM1.08m
4:06PM0.94m
4:20AM1.05m
5:02PM0.89m
5:18AM1.01m
6:06PM0.85m
6:23AM0.97m
7:14PM0.83m
Low Tide
1:33AM0.23m
2:20PM0.16m
2:30AM0.21m
3:16PM0.13m
3:26AM0.17m
4:06PM0.09m
4:17AM0.12m
4:50PM0.05m
5:03AM0.06m
5:31PM0.00m
5:48AM-0.00m
6:11PM-0.03m
6:31AM-0.05m
6:52PM-0.05m
7:16AM-0.09m
7:34PM-0.06m
8:02AM-0.11m
8:18PM-0.05m
8:50AM-0.11m
9:04PM-0.02m
9:40AM-0.09m
9:54PM0.02m
10:36AM-0.04m
10:50PM0.06m
11:37AM-0.00m
11:52PM0.10m
12:43PM0.03m
Wave
height (m) 
direction
period (s) 
1.2
SE
8
0.8
SE
9
0.9
SE
9
1.6
S
5
1.8
WSW
6
1.6
WSW
5
0.9
WNW
4
0.4
SSE
7
0.4
SE
2
1.1
SE
4
2
SSE
7
2.1
SSE
8
2.5
SSE
10
2.2
SE
11
2.1
SE
11
1.6
SE
10
1.1
SE
10
0.9
ESE
10
0.9
SE
9
0.7
SE
9
0.8
ESE
8
0.8
ESE
8
0.9
ESE
8
1.6
ESE
10
1.6
ESE
10
1.5
W
5
1.6
W
5
1.2
WNW
5
0.9
W
4
0.9
WSW
4
0.6
SW
4
0.7
N
4
0.6
SSE
8
1.1
NNW
4
0.7
NE
8
0.6
NE
7
1.1
SSW
5
1.3
WSW
5
0.9
WSW
4
0.5
S
9
0.5
S
8
0.5
S
7
0.7
NE
4
1.5
NE
6
1.8
ENE
8
1.8
ENE
9
1.6
ENE
9
snow showers
clear
cloud
rain showers
clear
part cloud
clear
part cloud
part cloud
cloud
light rain
light rain
light rain
mod rain
cloud
part cloud
clear
clear
part cloud
part cloud
cloud
part cloud
part cloud
light rain
rain showers
clear
part cloud
clear
part cloud
cloud
light snow
cloud
part cloud
part cloud
part cloud
part cloud
light rain
part cloud
clear
part cloud
part cloud
part cloud
cloud
light rain
light snow
part cloud
part cloud
snow shwrs
clear
cloudy
rain shwrs
clear
some clouds
clear
some clouds
some clouds
cloudy
light rain
light rain
light rain
mod rain
cloudy
some clouds
clear
clear
some clouds
some clouds
cloudy
some clouds
some clouds
light rain
rain shwrs
clear
some clouds
clear
some clouds
cloudy
light snow
cloudy
some clouds
some clouds
some clouds
some clouds
light rain
some clouds
clear
some clouds
some clouds
some clouds
cloudy
light rain
light snow
some clouds
some clouds
 km/h
45
NW
20
W
25
SW
55
SSW
60
W
55
W
35
NW
15
NE
25
SE
40
SE
60
SSE
55
S
65
S
45
WSW
50
WSW
35
WNW
20
NNW
15
E
15
SE
15
SE
20
E
20
N
25
SW
40
SSW
50
W
50
W
55
WNW
45
WNW
35
W
35
WSW
20
SSW
30
N
10
N
40
NNW
15
NNW
25
SSW
45
SSW
45
WSW
35
WSW
15
NE
15
NE
20
NE
25
NE
45
NE
45
NE
40
NE
30
E
 mm 
1
5
1
2
6
1
1
1
3
max°C
2
0
1
9
7
5
4
0
2
9
11
12
13
7
3
4
-3
-1
0
1
2
2
3
6
5
-3
0
-1
-3
0
2
1
1
3
-5
-3
7
7
10
16
9
6
4
3
2
1
0
Moonrise
4:06
4:44
5:15
5:42
6:06
6:28
6:51
7:14
7:41
8:14
8:54
9:45
10:47
11:57
1:12
2:26
Moonset
12:54
2:00
3:08
4:18
5:28
6:40
7:53
9:08
10:27
11:46
1:02
2:10
3:06
3:50
4:25
Sunrise
6:56
6:54
6:52
6:50
6:48
6:47
6:46
6:43
6:41
6:41
6:39
6:37
6:35
6:33
6:31
6:30
Sunset
6:42
6:44
6:45
6:45
6:46
6:47
6:49
6:50
6:51
6:52
6:53
6:54
6:55
6:57
6:58
6:59
Today's sea temperature in Great Point, Nantucket Island is
4.5° C
(Statistics for 12 Mar 1981-2005 – mean: 4.7 max: 6.4 min: 2.8°C)
Issued (local time): 7 pm Thursday 12 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest