Wychmere Harbor, Nantucket Sound Sea Conditions and Tide Table

Wychmere Harbor, Nantucket Sound 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 05:06 PM.

Days 1–4 Weather Summary

A dusting of snow turning to light rain (total 5mm) on Tue night. Icy conditions (max 3°C on Wed morning, min -5°C on Mon night). Winds decreasing (fresh winds from the NW on Mon afternoon, light winds from the WSW by Tue morning).

Days 5–7 Weather Summary

Mostly dry. Icy conditions (max 3°C on Sat afternoon, min -4°C on Thu night). Winds decreasing (strong winds from the NW on Sat afternoon, calm by Sun morning).

Days 8–10 Weather Summary

Light rain (total 3mm), mostly falling on Mon morning. Freeze-thaw conditions (max 6°C on Mon afternoon, min 0°C on Sun afternoon). Winds increasing (calm on Sun afternoon, fresh winds from the SW by Wed morning).

Days 11–13 Weather Summary

Light rain (total 8mm), mostly falling on Fri afternoon. Mild temperatures (max 9°C on Fri morning, min 1°C on Wed night). Winds increasing (light winds from the NE on Thu afternoon, fresh winds from the SSE by Fri morning).

Mon
9
Tuesday
10
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
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
PM
night
Wave Height Map
High Tide
5:48PM0.94m
6:05AM1.04m
6:46PM0.90m
7:01AM1.03m
7:47PM0.88m
7:59AM1.04m
8:47PM0.89m
8:55AM1.06m
9:40PM0.93m
9:46AM1.10m
10:25PM0.97m
10:30AM1.15m
11:05PM1.02m
11:11AM1.19m
11:43PM1.07m
11:52AM1.22m
00:21AM1.12m
12:32PM1.23m
00:59AM1.17m
1:14PM1.23m
1:38AM1.20m
1:57PM1.22m
2:18AM1.23m
2:42PM1.19m
3:01AM1.24m
3:30PM1.14m
3:49AM1.23m
4:24PM1.08m
Low Tide
11:22PM0.22m
12:06PM0.17m
00:14AM0.25m
1:04PM0.18m
1:10AM0.26m
2:03PM0.17m
2:06AM0.24m
2:58PM0.14m
2:59AM0.21m
3:44PM0.09m
3:47AM0.16m
4:25PM0.04m
4:30AM0.10m
5:04PM-0.00m
5:12AM0.05m
5:42PM-0.04m
5:54AM0.00m
6:21PM-0.06m
6:37AM-0.04m
7:00PM-0.08m
7:20AM-0.06m
7:41PM-0.07m
8:06AM-0.07m
8:24PM-0.04m
8:55AM-0.05m
9:12PM0.00m
9:49AM-0.03m
Wave
height (m) 
direction
period (s) 
1
NNE
6
0.7
NE
8
0.5
E
11
0.4
ENE
10
0.6
SSE
3
0.5
W
3
0.7
WNW
3
0.7
WNW
3
0.7
N
4
0.6
NE
6
0.7
NE
6
0.5
NE
6
0.4
NE
6
0.5
W
3
0.6
W
3
0.5
W
3
1
N
4
0.6
NE
7
0.4
NE
6
0.3
NE
5
0.4
SE
3
0.4
ESE
4
0.6
SE
10
0.6
ESE
9
0.6
ESE
9
0.5
ESE
8
0.6
ESE
8
0.8
S
5
0.6
S
5
0.6
NE
7
0.4
ENE
10
0.4
ENE
10
0.9
SE
4
0.9
SSE
4
0.6
SE
6
0.7
SW
5
0.9
NE
6
0.9
NE
7
0.6
ENE
6
0.5
NE
5
0.4
ENE
5
0.4
NNE
4
0.6
NE
5
0.4
ENE
6
0.4
NNE
4
0.9
NNW
4
0.7
NE
7
clear
clear
part cloud
cloud
light snow
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
clear
part cloud
clear
part cloud
cloud
light rain
light rain
part cloud
part cloud
part cloud
cloud
cloud
cloud
clear
clear
part cloud
cloud
cloud
mod rain
cloud
clear
clear
part cloud
cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
clear
clear
some clouds
cloudy
light snow
clear
some clouds
some clouds
some clouds
some clouds
some clouds
clear
clear
some clouds
clear
clear
some clouds
clear
some clouds
cloudy
light rain
light rain
some clouds
some clouds
some clouds
cloudy
cloudy
cloudy
clear
clear
some clouds
cloudy
cloudy
mod rain
cloudy
clear
clear
some clouds
cloudy
some clouds
some clouds
some clouds
clear
clear
some clouds
some clouds
some clouds
 km/h
35
NW
20
NW
10
W
15
SSW
30
S
25
W
30
WNW
30
WNW
25
NW
20
NW
25
NNW
15
WNW
15
W
20
W
25
W
25
W
35
NNW
10
NNE
0
ESE
10
S
15
SE
15
E
15
NE
10
NNE
5
ENE
15
SSW
25
SW
30
SW
25
WNW
20
NNW
5
NE
20
SSE
35
SSE
30
SSW
20
SW
25
WNW
30
NW
25
NNE
20
NE
10
ENE
15
WSW
20
NNW
15
N
5
SSW
25
NW
40
NNW
25
NW
 mm 
5
2
1
8
max°C
-3
-4
-3
-1
2
3
2
0
-1
0
-2
-2
0
-1
2
3
-1
0
0
3
4
6
6
4
4
4
6
6
8
2
3
6
9
9
8
5
3
-2
-1
-1
-1
0
-1
-1
-1
-1
-4
Moonrise
1:43
2:44
3:40
4:30
5:13
5:48
6:17
6:42
7:04
7:26
7:48
8:11
8:39
9:12
9:55
Moonset
10:37
11:18
12:07
1:05
2:09
3:18
4:27
5:37
6:47
7:58
9:10
10:25
11:42
12:59
Sunrise
6:41
6:39
6:39
6:37
6:35
6:35
6:33
6:31
6:31
6:28
6:28
6:26
6:24
6:24
6:22
Sunset
5:06
5:07
5:07
5:08
5:10
5:12
5:13
5:14
5:15
5:16
5:17
5:19
5:21
5:22
5:22
5:23
Today's sea temperature in Wychmere Harbor, Nantucket Sound is
1.4° C
(Statistics for 09 Feb 1981-2005 – mean: 4.4 max: 5.7 min: 3.2°C)
Issued (local time): 6 pm Monday 09 Feb 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest