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 05:07 AM and sunset is at 08:19 PM.

Days 1–3 Weather Summary

Mostly dry. Warm air temperatures (max 28°C on Sun night, min 19°C on Mon morning). Winds decreasing (strong winds from the WSW on Sun morning, light winds from the N by Sun night).

Days 4–6 Weather Summary

Light rain (total 2mm), mostly falling on Thu night. Very warm air temperatures (max 34°C on Tue afternoon, min 15°C on Thu night). Wind will be generally light.

Days 7–9 Weather Summary

Light rain (total 5mm), mostly falling on Fri morning. Warm (max 25°C on Sun afternoon, min 14°C on Fri morning). Winds decreasing (fresh winds from the SW on Sun afternoon, light winds from the W by Sun night).

Days 10–12 Weather Summary

Moderate rain (total 17mm), heaviest on Mon night. Warm (max 26°C on Mon morning, min 20°C on Mon night). Wind will be generally light.

Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
1
Wednesday
2
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
5:47AM0.58m
6:22PM0.77m
6:46AM0.59m
7:19PM0.80m
7:44AM0.61m
8:14PM0.83m
8:40AM0.63m
9:07PM0.84m
9:33AM0.65m
9:59PM0.83m
10:24AM0.66m
10:49PM0.80m
11:14AM0.66m
11:37PM0.76m
12:04PM0.65m
00:24AM0.71m
12:52PM0.64m
1:10AM0.65m
1:41PM0.62m
1:57AM0.60m
2:29PM0.60m
2:44AM0.55m
3:19PM0.59m
3:33AM0.51m
Low Tide
12:16PM0.03m
1:29AM0.02m
1:16PM0.00m
2:25AM-0.02m
2:14PM-0.02m
3:18AM-0.05m
3:10PM-0.04m
4:09AM-0.06m
4:05PM-0.04m
4:59AM-0.06m
4:58PM-0.03m
5:48AM-0.05m
5:52PM-0.01m
6:36AM-0.02m
6:46PM0.03m
7:24AM0.02m
7:42PM0.07m
8:12AM0.05m
8:40PM0.11m
9:01AM0.09m
9:40PM0.14m
9:50AM0.12m
10:42PM0.16m
Wave
height (m) 
direction
period (s) 
0.3
SSW
7.0
0.5
SSW
4.0
0.4
SSW
4.0
1.1
SW
4.0
0.9
SW
4.0
0.4
SSW
6.0
0.3
SSW
6.0
0.3
SSW
6.0
0.3
SSW
3.0
0.2
SSW
5.0
0.6
SW
3.0
0.3
WSW
3.0
0.4
NE
3.0
0.4
ENE
3.0
0.2
E
3.0
0.2
ESE
3.0
0.2
E
2.0
0.3
ESE
3.0
0.4
ESE
3.0
0.4
ESE
3.0
0.3
ESE
3.0
0.3
SE
3.0
0.4
SSE
3.0
0.5
SSW
3.0
0.8
SW
4.0
0.9
SSW
4.0
0.4
SSW
5.0
0.3
S
5.0
0.3
S
5.0
0.2
S
5.0
0.3
SSW
3.0
0.5
SSW
4.0
0.4
SSW
4.0
0.4
SSW
4.0
0.4
SSW
4.0
0.3
SSW
7.0
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
light rain
light rain
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
rain showers
rain showers
part cloud
light rain
light rain
rain showers
light rain
light rain
light rain
part cloud
clear
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
cloudy
cloudy
light rain
light rain
cloudy
cloudy
cloudy
some clouds
some clouds
some clouds
some clouds
rain shwrs
rain shwrs
some clouds
light rain
light rain
rain shwrs
light rain
light rain
light rain
some clouds
 km/h
15
WSW
20
SW
20
SW
40
WSW
35
WSW
10
N
15
ESE
15
S
15
SW
15
W
20
WSW
15
NNW
20
ENE
25
E
5
ESE
15
E
15
SE
20
SE
20
ESE
20
E
20
SE
20
SSE
15
SW
25
SW
30
WSW
35
SW
15
W
10
SW
20
ESE
10
S
15
SSW
25
SW
20
SW
20
WSW
20
WSW
10
SW
 mm 
2
2
3
1
5
4
1
4
1
1
max°C
23
24
23
21
22
28
20
21
25
32
34
33
23
21
18
18
17
16
15
15
17
19
20
21
23
25
24
26
25
21
20
22
21
22
23
23
Moonrise
1:44
2:15
2:55
3:46
4:48
6:00
7:16
8:30
9:40
10:46
11:50
12:52
Moonset
4:20
5:41
7:00
8:12
9:11
9:57
10:32
11:00
11:23
11:43
12:02
Sunrise
5:07
5:09
5:09
5:09
5:09
5:09
5:09
5:09
5:11
5:11
5:11
5:11
Sunset
8:19
8:19
8:20
8:20
8:20
8:20
8:20
8:20
8:20
8:20
8:20
8:19
Today's sea temperature in Off Lake Tashmoo, Martha's Vineyard is 17.7 °C (Statistics for 21 Jun 1981-2005 – mean: 16.6 max: 20.1 min: 15.4°C)
Issued (local time): 1 am Saturday 21 Jun 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest