Wauwinet (outer shore), Nantucket Island Sea Conditions and Tide Table

Wauwinet (outer shore), 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 07:01 AM and sunset is at 04:13 PM.

Days 1–3 Weather Summary

Mostly dry. Icy conditions (max 8°C on Sat night, min -3°C on Sun night). Winds decreasing (strong winds from the NW on Sun afternoon, light winds from the WNW by Mon night).

Days 4–6 Weather Summary

Moderate rain (total 12mm), heaviest on Tue afternoon. Low air temperatures (max 6°C on Thu night, min 1°C on Wed night). Winds decreasing (gales from the NNE on Tue night, calm by Thu night).

Days 7–9 Weather Summary

Moderate rain (total 12mm), heaviest on Fri afternoon. Freeze-thaw conditions (max 8°C on Fri afternoon, min -7°C on Sun night). Winds increasing (light winds from the ENE on Sat afternoon, near gales from the NW by Sun afternoon).

Days 10–12 Weather Summary

Mostly dry. Freeze-thaw conditions (max 3°C on Mon night, min -8°C on Tue night). Winds decreasing (near gales from the WNW on Tue afternoon, light winds from the W by Thu morning).

Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
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
12:19PM1.06m
00:59AM0.91m
12:58PM1.06m
1:38AM0.91m
1:37PM1.05m
2:17AM0.91m
2:17PM1.05m
2:58AM0.92m
2:59PM1.03m
3:40AM0.93m
3:45PM1.01m
4:25AM0.96m
4:35PM0.99m
5:12AM0.99m
5:30PM0.98m
6:03AM1.03m
6:28PM0.96m
6:56AM1.07m
7:29PM0.96m
7:52AM1.12m
8:31PM0.97m
8:48AM1.17m
9:30PM0.97m
Low Tide
6:36PM-0.02m
6:38AM0.11m
7:15PM-0.02m
7:19AM0.10m
7:55PM-0.03m
8:01AM0.10m
8:36PM-0.03m
8:45AM0.09m
9:18PM-0.03m
9:32AM0.09m
10:02PM-0.02m
10:23AM0.08m
10:50PM-0.02m
11:17AM0.05m
11:40PM-0.01m
12:15PM0.02m
00:34AM0.00m
1:14PM-0.02m
1:30AM0.00m
2:15PM-0.07m
2:27AM-0.01m
3:14PM-0.12m
3:22AM-0.02m
Wave
height (m) 
direction
period (s) 
2.2
S
11
1.5
S
10
1.6
S
9
2.1
SSW
8
1.6
SSW
8
1.5
W
5
1.5
NW
5
1.2
NW
5
0.8
NNW
6
0.7
NE
7
1.4
SSW
6
1.5
SSW
8
2.1
NNE
7
1.9
ENE
9
1.4
ENE
10
1.2
E
11
1.5
SSE
8
1
E
12
1
E
12
1.8
SW
6
1.7
SSW
8
1.2
SSW
9
1.1
S
9
0.9
SSW
8
0.9
SSW
4
1.4
W
5
1.8
NW
5
1.7
WNW
5
1.5
W
5
1.8
WSW
6
2
W
6
2.1
W
6
1.9
W
6
1.8
W
6
1.5
W
5
0.8
W
4
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
light rain
mod rain
part cloud
cloud
clear
part cloud
clear
clear
part cloud
light rain
mod rain
clear
clear
cloud
light rain
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
clear
some clouds
some clouds
some clouds
some clouds
some clouds
clear
clear
some clouds
light rain
mod rain
some clouds
cloudy
clear
some clouds
clear
clear
some clouds
light rain
mod rain
clear
clear
cloudy
light rain
some clouds
some clouds
some clouds
clear
clear
some clouds
clear
clear
clear
clear
clear
some clouds
 km/h
30
WNW
20
WSW
40
SSW
45
WSW
30
NW
45
WNW
45
NW
35
NW
20
NW
25
SSW
30
S
40
NW
50
N
40
N
15
NW
30
WSW
35
W
0
N
25
S
45
WSW
45
NW
20
N
15
ENE
25
SSE
25
WNW
50
WNW
55
NW
45
NW
45
WNW
50
W
50
WNW
60
WNW
55
WNW
50
WNW
45
WNW
25
WNW
 mm 
4
8
3
7
2
max°C
0
2
8
7
6
0
-2
1
2
4
5
3
3
2
2
4
5
6
7
8
5
-1
-1
7
5
3
-3
-4
-1
3
-3
-5
-7
-4
-3
-2
Moonrise
7:52
8:37
9:13
9:44
10:10
10:33
10:54
11:15
11:38
12:05
12:37
1:19
Moonset
4:28
5:30
6:36
7:43
8:51
9:58
11:07
12:17
1:30
2:48
4:08
Sunrise
7:01
7:01
7:01
7:03
7:03
7:03
7:03
7:03
7:05
7:05
7:05
7:05
Sunset
4:13
4:13
4:14
4:14
4:15
4:15
4:15
4:16
4:17
4:17
4:19
4:20
Today's sea temperature in Wauwinet (outer shore), Nantucket Island is
5.4° C
(Statistics for 20 Dec 1981-2005 – mean: 8.5 max: 10.2 min: 6.8°C)
Issued (local time): 6 am Saturday 20 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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