Off Lake Tashmoo, Martha's Vineyard Sea Conditions and Tide Table

Off Lake Tashmoo, 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 — and sunset is at 07:28 PM.

Days 1–4 Weather Summary

Light rain (total 4mm), mostly falling on Wed morning. Cool air temperatures (max 14°C on Thu afternoon, min 4°C on Tue night). Winds decreasing (fresh winds from the S on Wed morning, calm by Wed night).

Days 5–7 Weather Summary

Mostly dry. Low air temperatures (max 9°C on Fri afternoon, min 5°C on Sat night). Wind will be generally light.

Days 8–10 Weather Summary

Moderate rain (total 19mm), heaviest on Wed night. Mild temperatures (max 8°C on Mon afternoon, min 5°C on Mon night). Winds increasing (light winds from the E on Mon night, fresh winds from the E by Wed afternoon).

Days 11–13 Weather Summary

Moderate rain (total 15mm), heaviest on Fri night. Very mild (max 11°C on Fri night, min 7°C on Thu night). Winds increasing (calm on Thu afternoon, near gales from the SE by Fri night).

Tue
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
1
Saturday
2
Sunday
3
Monday
4
Tuesday
5
Wednesday
6
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
12:59PM0.59m
1:25AM0.72m
1:57PM0.56m
2:25AM0.66m
3:00PM0.54m
3:29AM0.61m
4:06PM0.54m
4:36AM0.58m
5:12PM0.56m
5:41AM0.56m
6:12PM0.60m
6:38AM0.56m
7:03PM0.63m
7:28AM0.56m
7:49PM0.67m
8:11AM0.57m
8:31PM0.69m
8:51AM0.58m
9:10PM0.71m
9:30AM0.58m
9:49PM0.71m
10:08AM0.57m
10:27PM0.70m
10:47AM0.56m
11:05PM0.68m
11:27AM0.54m
11:45PM0.65m
12:08PM0.52m
Low Tide
7:15PM0.01m
8:27AM0.00m
8:31PM0.05m
9:39AM0.03m
9:56PM0.06m
10:49AM0.04m
11:15PM0.05m
11:51AM0.03m
00:21AM0.03m
12:46PM0.02m
1:19AM-0.00m
1:34PM0.01m
2:09AM-0.02m
2:17PM-0.01m
2:54AM-0.04m
2:56PM-0.01m
3:35AM-0.04m
3:32PM-0.01m
4:14AM-0.03m
4:07PM0.00m
4:51AM-0.01m
4:39PM0.02m
5:27AM0.02m
5:07PM0.05m
6:02AM0.05m
5:32PM0.08m
6:37AM0.08m
5:53PM0.12m
Wave
height (m) 
direction
period (s) 
0.3
SE
2
0.4
SSW
3
0.7
SSW
4
0.7
S
4
0.4
S
5
0.4
S
6
0.4
WSW
4
0.3
WSW
3
0.2
S
6
0.3
SSW
4
0.1
S
5
0.3
E
2
0.4
E
3
0.2
ESE
4
0.2
SSE
9
0.2
S
7
0.2
SSW
3
0.2
S
7
0.4
NE
3
0.2
ESE
3
0.3
E
2
0.3
SE
2
0.4
SE
3
0.6
ESE
3
0.7
E
4
0.4
ESE
4
0.3
S
7
0.3
SSW
3
0.3
S
4
0.3
SE
3
0.7
SE
4
1.7
SSE
6
1.2
SSW
6
1.3
SSW
6
0.5
S
8
0.7
SW
4
1
SW
4
0.5
SW
4
0.5
WSW
3
0.7
SW
4
0.4
SW
4
0.7
WSW
3
1.1
SW
4
0.4
WSW
3
0.6
WSW
3
0.5
WSW
3
0.6
W
3
part cloud
part cloud
light rain
cloud
light rain
part cloud
part cloud
part cloud
clear
part cloud
clear
cloud
cloud
part cloud
cloud
clear
part cloud
cloud
part cloud
part cloud
clear
cloud
light rain
mod rain
light rain
mod rain
cloud
part cloud
part cloud
part cloud
light rain
heavy rain
part cloud
clear
clear
clear
clear
part cloud
clear
part cloud
clear
part cloud
part cloud
part cloud
clear
part cloud
clear
some clouds
some clouds
light rain
cloudy
light rain
some clouds
some clouds
some clouds
clear
some clouds
clear
cloudy
cloudy
some clouds
cloudy
clear
some clouds
cloudy
some clouds
some clouds
clear
cloudy
light rain
mod rain
light rain
mod rain
cloudy
some clouds
some clouds
some clouds
light rain
heavy rain
some clouds
clear
clear
clear
clear
some clouds
clear
some clouds
clear
some clouds
some clouds
some clouds
clear
some clouds
clear
 km/h
15
SE
20
SSW
30
S
30
SSE
15
SE
20
W
20
NNW
20
NNW
10
NNW
15
SE
5
ESE
15
E
20
E
15
E
10
E
10
SSE
10
WSW
10
NNW
20
NE
10
E
20
ESE
15
SSE
20
SE
30
ESE
25
E
20
NNE
15
N
5
SSW
10
SW
20
SSE
35
SE
50
SE
40
WSW
40
SW
20
W
35
WSW
35
SW
20
W
25
WSW
30
WSW
20
W
30
WSW
35
SW
20
WNW
30
WSW
25
WNW
30
WNW
 mm 
1
3
1
6
5
7
2
13
max°C
6
5
6
5
7
9
14
11
9
9
8
7
7
6
6
7
7
8
8
6
7
7
7
7
6
5
6
9
8
9
9
11
11
11
11
9
10
10
8
9
10
7
10
10
7
11
10
Moonrise
9:49
11:04
12:19
1:31
2:40
3:46
4:51
5:55
6:59
8:04
9:08
10:10
11:07
11:57
Moonset
1:03
1:52
2:30
2:59
3:24
3:46
4:06
4:26
4:47
5:11
5:38
6:11
6:51
7:39
8:34
Sunrise
5:52
5:50
5:50
5:48
5:47
5:45
5:43
5:43
5:41
5:39
5:39
5:37
5:35
5:35
5:33
Sunset
7:28
7:30
7:30
7:31
7:32
7:34
7:35
7:36
7:37
7:37
7:38
7:39
7:40
7:42
7:44
7:45
Today's sea temperature in Off Lake Tashmoo, Martha's Vineyard is
6.8° C
(Statistics for 21 Apr 1981-2005 – mean: 7.0 max: 8.5 min: 5.2°C)
Issued (local time): 1 pm Tuesday 21 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest