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 08:16 PM.

Days 1–4 Weather Summary

Light rain (total 2mm), mostly falling on Tue night. Warm air temperatures (max 24°C on Wed night, min 17°C on Tue night). Winds increasing (calm on Wed morning, fresh winds from the SW by Fri morning).

Days 5–7 Weather Summary

Light rain (total 4mm), mostly falling on Sat afternoon. Warm air temperatures (max 21°C on Mon afternoon, min 15°C on Sat night). Wind will be generally light.

Days 8–10 Weather Summary

Heavy rain (total 24mm), heaviest during Tue night. Warm (max 20°C on Mon night, min 14°C on Wed morning). Winds decreasing (near gales from the SW on Tue afternoon, light winds from the ENE by Thu afternoon).

Days 11–13 Weather Summary

Light rain (total 4mm), mostly falling on Sat night. Warm (max 25°C on Fri afternoon, min 18°C on Thu night). Winds increasing (light winds from the SE on Thu night, strong winds from the SW by Sat afternoon).

Days 14–17 Weather Summary

Moderate rain (total 12mm), heaviest on Mon night. Warm (max 24°C on Mon night, min 19°C on Tue morning). Winds decreasing (fresh winds from the W on Mon night, calm by Wed morning).

Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
1
Thursday
2
Friday
3
Saturday
4
Sunday
5
Monday
6
Tuesday
7
Wednesday
8
Thu
9
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
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
High Tide
8:04PM0.95m
8:38AM0.85m
8:57PM0.95m
9:37AM0.83m
9:48PM0.95m
10:31AM0.83m
10:36PM0.96m
11:18AM0.83m
11:19PM0.97m
12:01PM0.83m
00:00AM0.97m
12:42PM0.84m
00:40AM0.98m
1:22PM0.84m
1:20AM0.98m
2:02PM0.85m
2:01AM0.98m
2:40PM0.87m
2:40AM0.98m
3:17PM0.88m
3:20AM0.97m
3:55PM0.89m
4:02AM0.95m
4:35PM0.91m
4:46AM0.94m
5:18PM0.94m
5:35AM0.92m
6:04PM0.96m
Low Tide
2:07AM0.11m
2:20PM0.15m
3:06AM0.11m
3:12PM0.18m
4:01AM0.10m
4:03PM0.19m
4:50AM0.09m
4:49PM0.19m
5:33AM0.07m
5:31PM0.18m
6:13AM0.06m
6:12PM0.17m
6:52AM0.05m
6:53PM0.16m
7:31AM0.05m
7:34PM0.16m
8:08AM0.05m
8:15PM0.15m
8:46AM0.04m
8:56PM0.14m
9:25AM0.05m
9:39PM0.14m
10:05AM0.05m
10:25PM0.13m
10:49AM0.06m
11:15PM0.11m
11:36AM0.07m
Wave
Height (m)
Direction
Period (s)
0.6
SSE
6
0.6
SSE
7
0.6
SSE
7
0.7
SE
8
0.5
SE
8
0.6
SSE
8
0.6
SSE
7
0.7
SW
3
0.6
SW
4
0.5
SE
6
0.4
SE
6
0.4
SSE
6
0.5
E
10
0.6
E
11
0.6
SSE
7
0.4
ESE
10
0.4
ESE
10
0.6
SSW
3
0.8
SW
4
1.1
SW
4
1.4
SW
5
0.7
S
7
0.8
NE
5
0.6
NE
6
0.5
E
7
0.6
ESE
7
0.5
ESE
6
0.4
ESE
6
0.5
ESE
6
0.6
ESE
6
0.6
SW
3
0.8
SW
4
1.1
SSW
4
0.8
SW
4
0.6
SSE
6
0.6
SSE
6
0.6
SSE
7
0.5
SE
7
0.6
SSE
6
0.5
SE
6
0.7
SW
4
0.6
SW
4
0.7
SW
3
0.5
SE
8
0.7
SE
8
0.5
SSE
8
0.5
SSE
8
light rain
part cloud
clear
clear
clear
clear
part cloud
part cloud
light rain
cloud
light rain
rain showers
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
rain showers
heavy rain
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
rain showers
rain showers
thunderstorm
clear
clear
part cloud
rain showers
rain showers
clear
part cloud
cloud
light rain
light rain
part cloud
light rain
some clouds
clear
clear
clear
clear
some clouds
some clouds
light rain
cloudy
light rain
rain shwrs
some clouds
some clouds
clear
clear
some clouds
some clouds
some clouds
some clouds
rain shwrs
heavy rain
some clouds
some clouds
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
rain shwrs
rain shwrs
risk tstorm
clear
clear
some clouds
rain shwrs
rain shwrs
clear
some clouds
cloudy
light rain
light rain
some clouds
km/h
15
N
15
WSW
20
SW
15
WNW
10
SSW
20
SSW
25
W
30
SW
25
SW
20
SW
10
ESE
20
ENE
20
NNE
15
NNE
15
ENE
15
WSW
15
SW
30
SSW
30
WSW
45
SW
50
SW
25
N
30
N
25
N
10
N
15
NE
10
ENE
15
W
20
WSW
25
SW
25
WSW
30
SW
40
SW
25
SW
20
WSW
15
E
25
NW
15
SW
20
SW
20
WSW
25
WSW
25
WSW
30
SW
5
NNW
30
SW
20
SE
15
NE
 mm
1
1
2
2
5
19
2
1
1
3
3
1
5
max °C
17
19
22
24
21
22
21
19
19
20
19
17
18
16
18
19
20
21
20
20
20
20
16
17
17
17
18
21
23
25
23
21
22
22
21
22
23
21
23
24
19
21
21
22
22
20
19
Moonrise
3:45
4:50
5:52
6:52
7:47
8:34
9:13
9:46
10:13
10:37
10:59
11:20
11:41
12:04
12:31
Moonset
1:17
1:42
2:11
2:47
3:30
4:21
5:18
6:21
7:25
8:30
9:35
10:40
11:47
12:55
2:07
Sunrise
5:07
5:07
5:07
5:07
5:07
5:09
5:09
5:09
5:09
5:11
5:11
5:11
5:13
5:13
5:13
5:13
Sunset
8:16
8:16
8:16
8:16
8:16
8:16
8:16
8:16
8:16
8:16
8:16
8:15
8:15
8:15
8:15
8:15
Today's sea temperature in Great Point, Nantucket Island is
16.4° C
(Statistics for 23 Jun 1981-2005 – mean: 16.6 max: 19.9 min: 15.1°C)
Issued (local time): 7 pm Tuesday 23 Jun 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest