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 08:14 PM.

Days 1–4 Weather Summary

Some drizzle, heaviest during Sat night. Cool air temperatures (max 18°C on Tue morning, min 12°C on Sat night). Mainly fresh winds.

Days 5–7 Weather Summary

Light rain (total 2mm), mostly falling on Tue night. Warm air temperatures (max 24°C on Thu afternoon, min 17°C on Tue night). Mainly fresh winds.

Days 8–10 Weather Summary

Mostly dry. Warm (max 22°C on Mon afternoon, min 18°C on Fri night). Winds decreasing (strong winds from the SW on Fri night, calm by Sat night).

Days 11–13 Weather Summary

Some drizzle, heaviest during Mon night. Warm (max 32°C on Tue night, min 18°C on Thu night). Winds decreasing (fresh winds from the WSW on Tue morning, light winds from the NNW by Wed afternoon).

Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thu
26
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
3:10AM0.99m
3:52PM0.87m
3:55AM0.99m
4:36PM0.90m
4:43AM0.98m
5:23PM0.92m
5:36AM0.96m
6:14PM0.95m
6:33AM0.95m
7:05PM0.99m
7:31AM0.93m
7:59PM1.03m
8:32AM0.93m
8:55PM1.06m
9:34AM0.93m
9:52PM1.09m
10:35AM0.93m
10:48PM1.12m
11:32AM0.94m
11:42PM1.13m
12:28PM0.95m
00:37AM1.13m
1:24PM0.95m
Low Tide
8:46PM0.15m
9:21AM0.03m
9:32PM0.15m
10:06AM0.03m
10:21PM0.13m
10:53AM0.03m
11:15PM0.12m
11:43AM0.04m
00:12AM0.09m
12:35PM0.04m
1:10AM0.06m
1:29PM0.05m
2:09AM0.02m
2:24PM0.05m
3:09AM-0.01m
3:22PM0.05m
4:09AM-0.05m
4:19PM0.04m
5:06AM-0.08m
5:14PM0.04m
6:01AM-0.10m
6:08PM0.03m
6:54AM-0.10m
Wave
height (m) 
direction
period (s) 
0.8
ESE
5.0
0.7
ESE
5.0
0.6
SE
6.0
0.8
ESE
8.0
0.8
E
8.0
0.8
E
7.0
0.7
E
7.0
0.6
E
7.0
0.7
ESE
7.0
0.8
ESE
7.0
0.6
ESE
7.0
0.6
ESE
7.0
0.6
ESE
7.0
0.7
ESE
8.0
0.7
ESE
8.0
0.7
ESE
8.0
0.9
SSW
4.0
0.8
SSW
4.0
1.2
SSW
4.0
1
WSW
4.0
0.8
SSE
8.0
0.4
SE
8.0
0.4
ESE
13.0
0.5
E
13.0
0.5
E
12.0
0.4
ESE
12.0
0.6
SSW
3.0
0.7
SW
4.0
0.6
SW
4.0
0.5
E
11.0
0.5
E
11.0
0.5
W
3.0
0.5
NNE
3.0
0.6
NNE
4.0
0.4
ENE
3.0
0.4
ENE
6.0
light rain
cloud
part cloud
part cloud
clear
clear
part cloud
cloud
cloud
light rain
part cloud
part cloud
cloud
part cloud
clear
rain showers
part cloud
part cloud
clear
part cloud
clear
part cloud
part cloud
clear
clear
clear
part cloud
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
light rain
cloudy
some clouds
some clouds
clear
clear
some clouds
cloudy
cloudy
light rain
some clouds
some clouds
cloudy
some clouds
clear
rain shwrs
some clouds
some clouds
clear
some clouds
clear
some clouds
some clouds
clear
clear
clear
some clouds
rain shwrs
clear
clear
clear
clear
clear
clear
clear
clear
 km/h
25
ENE
20
ENE
20
E
20
E
25
E
20
ESE
20
ESE
20
E
20
SE
15
SSW
15
SSW
15
SW
20
WSW
20
SW
20
SW
20
SSW
30
SSW
35
SSW
35
SW
35
W
15
WSW
15
NE
10
SE
20
S
20
WSW
20
SW
25
SW
30
SW
25
WSW
20
SW
25
WNW
20
WNW
15
ENE
20
ENE
20
ENE
15
ESE
 mm 
1
1
1
1
max°C
13
13
14
14
14
15
17
18
17
18
20
21
20
22
24
21
20
19
20
19
21
21
20
20
20
20
22
23
22
27
32
30
29
23
20
19
Moonrise
11:15
11:43
12:08
12:31
12:53
1:16
1:42
2:13
2:53
3:44
4:46
5:58
Moonset
7:49
8:59
10:10
11:21
12:32
1:44
2:59
4:17
5:38
6:57
8:09
9:08
9:54
Sunrise
5:05
5:05
5:05
5:05
5:05
5:05
5:05
5:05
5:07
5:07
5:07
5:07
Sunset
8:14
8:15
8:15
8:15
8:15
8:15
8:15
8:16
8:16
8:16
8:16
8:16
8:16
Today's sea temperature in Great Point, Nantucket Island is 13.5 °C (Statistics for 14 Jun 1981-2005 – mean: 15.1 max: 17.5 min: 13.7°C)
Issued (local time): 7 pm Saturday 14 Jun 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest