Off Chilmark Pond, Martha's Vineyard Sea Conditions and Tide Table

Off Chilmark Pond, Martha's Vineyard 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 07:03 AM and sunset is at 04:15 PM.

Days 1–3 Weather Summary

Mostly dry. Icy conditions (max 8°C on Sat night, min -4°C on Sun night). Winds decreasing (strong winds from the WSW on Sat night, light winds from the WSW by Mon night).

Days 4–6 Weather Summary

Moderate rain (total 17mm) heaviest on Tue morning, then becoming colder with a dusting of snow on Tue night. Icy conditions (max 8°C on Thu night, min 0°C on Wed afternoon). Winds increasing (calm on Tue night, fresh winds from the WSW by Thu morning).

Days 7–9 Weather Summary

Light rain (total 3mm), mostly falling on Fri morning. Freeze-thaw conditions (max 8°C on Fri morning, min -8°C on Sat night). Winds decreasing (strong winds from the WNW on Fri night, light winds from the WNW by Sun morning).

Days 10–12 Weather Summary

Moderate rain (total 14mm), heaviest on Mon night. Mild temperatures (max 9°C on Tue morning, min 1°C on Mon morning). Winds decreasing (strong winds from the SSW on Tue morning, calm 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
7:27AM0.93m
7:48PM0.75m
8:07AM0.92m
8:29PM0.75m
8:47AM0.91m
9:11PM0.74m
9:28AM0.88m
9:54PM0.74m
10:12AM0.84m
10:39PM0.75m
10:58AM0.80m
11:29PM0.76m
11:49AM0.77m
00:23AM0.79m
12:45PM0.74m
1:22AM0.83m
1:45PM0.72m
2:22AM0.88m
2:46PM0.73m
3:22AM0.95m
3:47PM0.76m
4:21AM1.01m
4:46PM0.79m
5:16AM1.07m
Low Tide
1:41PM0.02m
1:21AM0.01m
2:12PM0.01m
1:58AM0.01m
2:44PM0.01m
2:36AM0.02m
3:18PM0.02m
3:18AM0.03m
3:56PM0.02m
4:04AM0.04m
4:37PM0.02m
4:57AM0.06m
5:25PM0.02m
5:58AM0.07m
6:19PM0.02m
7:08AM0.07m
7:20PM0.00m
8:25AM0.05m
8:25PM-0.02m
9:40AM0.01m
9:32PM-0.06m
10:47AM-0.05m
10:37PM-0.10m
Wave
height (m) 
direction
period (s) 
2
S
11
1.3
S
10
1.7
S
8
2.1
SSW
7
1.7
SSW
8
1.5
W
6
1.1
NW
4
0.8
WNW
4
0.6
WSW
4
0.5
SW
4
0.7
SW
5
1
SW
7
1.4
SSE
7
1
SE
8
0.6
SE
9
1.1
S
6
1.1
SW
5
0.9
SE
12
0.9
SE
9
1.2
SSW
6
2
SSW
9
1.4
SSW
9
1.1
NW
5
0.7
SSW
6
0.4
S
8
0.3
S
7
0.4
WSW
4
0.5
WSW
4
0.5
SW
4
0.7
SW
4
2.2
SSW
7
1.7
SSW
7
1.3
SSW
8
1
SSW
7
0.9
NNE
4
0.8
ESE
11
clear
part cloud
part cloud
clear
part cloud
clear
clear
part cloud
cloud
mod rain
mod rain
light snow
cloud
part cloud
part cloud
part cloud
light rain
cloud
light rain
light rain
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
mod rain
light rain
part cloud
clear
cloud
cloud
cloud
clear
some clouds
some clouds
clear
some clouds
clear
clear
some clouds
cloudy
mod rain
mod rain
light snow
cloudy
some clouds
some clouds
some clouds
light rain
cloudy
light rain
light rain
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
mod rain
light rain
some clouds
clear
cloudy
cloudy
cloudy
 km/h
25
WNW
20
WSW
45
SW
45
WSW
40
NW
45
WNW
30
NW
30
WNW
25
WNW
10
S
25
ESE
25
E
35
NNE
20
N
15
W
35
WSW
20
W
15
SW
20
SSW
35
WSW
45
WNW
40
NNW
35
NNW
25
N
15
NW
15
W
20
W
25
W
15
WSW
25
SSW
50
SSW
30
W
30
NNW
30
N
30
NNE
15
NE
 mm 
7
6
3
1
2
1
9
5
max°C
1
3
8
6
3
0
-1
1
3
3
4
4
2
2
4
5
6
8
8
8
7
-4
-4
-7
-4
-2
1
2
3
7
9
5
2
3
5
5
Moonrise
7:55
8:40
9:16
9:47
10:12
10:35
10:57
11:18
11:41
12:08
12:40
1:22
Moonset
4:31
5:33
6:39
7:46
8:54
10:01
11:10
12:20
1:33
2:51
4:11
Sunrise
7:03
7:05
7:05
7:05
7:05
7:07
7:07
7:07
7:07
7:07
7:07
7:07
Sunset
4:15
4:15
4:16
4:16
4:17
4:17
4:19
4:20
4:20
4:21
4:22
4:22
Today's sea temperature in Off Chilmark Pond, Martha's Vineyard is
7.3° C
(Statistics for 20 Dec 1981-2005 – mean: 8.5 max: 10.2 min: 6.9°C)
Issued (local time): 12 pm Saturday 20 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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