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 04:22 PM.

Days 1–4 Weather Summary

Moderate rain (total 12mm), heaviest on Sat night. Cool air temperatures (max 13°C on Sat night, min 2°C on Fri night). Winds increasing (light winds from the WNW on Sat morning, near gales from the W by Sun night).

Days 5–7 Weather Summary

Mostly dry. Low air temperatures (max 7°C on Tue afternoon, min 1°C on Wed night). Winds decreasing (strong winds from the WNW on Mon afternoon, light winds from the W by Thu morning).

Days 8–10 Weather Summary

Heavy rain (total 45mm), heaviest during Sat afternoon. Very mild (max 14°C on Sat morning, min 3°C on Thu night). Winds increasing (calm on Fri morning, near gales from the S by Sat morning).

Days 11–13 Weather Summary

Mostly dry. Freeze-thaw conditions (max 7°C on Mon morning, min 0°C on Tue night). Winds decreasing (strong winds from the WNW on Sun afternoon, light winds from the WNW by Wed morning).

Fri
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wed
26
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
Wave Height Map
High Tide
4:43PM0.53m
5:13AM0.58m
5:33PM0.53m
6:00AM0.61m
6:17PM0.54m
6:42AM0.64m
6:58PM0.55m
7:22AM0.67m
7:37PM0.56m
8:00AM0.69m
8:16PM0.56m
8:39AM0.69m
8:55PM0.56m
9:17AM0.69m
9:35PM0.55m
9:56AM0.68m
10:15PM0.54m
10:36AM0.66m
10:58PM0.52m
11:19AM0.63m
11:43PM0.50m
12:04PM0.60m
00:32AM0.50m
12:53PM0.58m
Low Tide
11:49PM0.05m
12:22PM0.04m
00:33AM0.04m
1:08PM0.03m
1:12AM0.03m
1:49PM0.02m
1:47AM0.02m
2:28PM0.02m
2:21AM0.02m
3:04PM0.02m
2:52AM0.03m
3:40PM0.03m
3:21AM0.04m
4:14PM0.05m
3:46AM0.06m
4:48PM0.06m
4:08AM0.08m
5:19PM0.09m
4:31AM0.10m
5:49PM0.11m
5:03AM0.12m
6:22PM0.12m
5:49AM0.13m
Wave
height (m) 
direction
period (s) 
0.4
NW
3
0.4
NW
3
0.2
NNW
3
0.4
SW
3
0.9
SSW
4
0.9
SW
5
1.1
W
4
1.3
W
5
1.4
W
5
1.3
W
4
1
W
4
0.8
W
4
0.6
W
4
0.4
WNW
3
0.1
SW
6
0.2
W
2
0.5
N
3
0.2
W
4
0.2
S
7
0.1
S
6
0.1
S
6
0.2
SSW
3
0.6
SSW
3
1.5
S
5
1.4
SSW
6
1.2
SSW
6
1.2
WSW
6
1.1
SW
6
0.7
SW
5
0.7
SW
5
0.6
WSW
4
0.6
WNW
3
0.5
W
3
0.6
W
3
0.6
WNW
3
0.3
SW
4
clear
clear
part cloud
cloud
heavy rain
cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
clear
cloud
clear
clear
clear
part cloud
part cloud
cloud
part cloud
rain showers
mod rain
heavy rain
rain showers
clear
clear
cloud
clear
part cloud
clear
clear
cloud
clear
clear
clear
clear
some clouds
cloudy
heavy rain
cloudy
some clouds
some clouds
some clouds
clear
clear
some clouds
some clouds
clear
cloudy
clear
clear
clear
some clouds
some clouds
cloudy
some clouds
rain shwrs
mod rain
heavy rain
rain shwrs
clear
clear
cloudy
clear
some clouds
clear
clear
cloudy
clear
clear
 km/h
25
NW
25
NNW
15
WNW
20
WSW
35
S
30
WNW
45
WNW
50
W
50
W
45
WNW
40
W
35
W
30
WNW
20
WNW
10
WNW
15
N
25
NNW
10
NW
10
W
10
NNW
0
WSW
15
SW
30
S
45
S
40
SSW
35
S
40
WNW
40
WNW
30
W
30
W
25
WNW
30
WNW
25
W
30
WNW
25
NW
15
WNW
 mm 
12
2
10
26
7
max°C
7
5
6
7
13
12
9
4
5
6
3
6
7
5
4
6
3
4
5
5
4
7
12
14
14
14
7
6
5
7
7
6
6
7
3
4
Moonrise
1:59
3:01
4:02
5:05
6:08
7:12
8:13
9:09
9:59
10:40
11:15
11:43
Moonset
2:04
2:23
2:44
3:07
3:35
4:08
4:49
5:39
6:36
7:39
8:45
Sunrise
6:31
6:31
6:33
6:33
6:35
6:37
6:37
6:39
6:39
6:41
6:41
6:43
Sunset
4:22
4:22
4:21
4:21
4:20
4:19
4:17
4:17
4:16
4:15
4:15
4:15
Today's sea temperature in Off Lake Tashmoo, Martha's Vineyard is
12.5° C
(Statistics for 14 Nov 1981-2005 – mean: 11.7 max: 13.2 min: 10.1°C)
Issued (local time): 6 pm Friday 14 Nov 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest