South Yarmouth Sea Conditions and Tide Table

South Yarmouth 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 06:50 PM.

Days 1–4 Weather Summary

Moderate rain (total 14mm), heaviest on Sat morning. Icy conditions (max 7°C on Fri night, min -1°C on Wed night). Mainly fresh winds.

Days 5–7 Weather Summary

Some drizzle, heaviest during Mon morning. Icy conditions (max 10°C on Sun night, min -1°C on Tue morning). Winds increasing (light winds from the SSE on Sat night, fresh winds from the N by Tue morning).

Days 8–10 Weather Summary

Light rain (total 3mm), mostly falling on Fri afternoon. Freeze-thaw conditions (max 11°C on Fri morning, min -5°C on Wed night). Winds increasing (calm on Thu morning, strong winds from the SSW by Thu night).

Days 11–13 Weather Summary

A heavy fall of snow, heaviest during Sat afternoon. Freeze-thaw conditions (max 1°C on Fri night, min -5°C on Sat afternoon). Winds decreasing (near gales from the NNE on Sat night, calm by Sun night).

Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
31
Wednesday
1
Thursday
2
Fri
3
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
AM
Wave Height Map
High Tide
1:44AM0.95m
2:04PM0.98m
2:24AM0.99m
2:48PM0.98m
3:05AM1.03m
3:33PM0.97m
3:48AM1.04m
4:21PM0.94m
4:35AM1.03m
5:13PM0.89m
5:27AM1.01m
6:10PM0.84m
6:24AM0.97m
7:13PM0.80m
7:29AM0.93m
8:22PM0.78m
8:39AM0.91m
9:33PM0.79m
9:50AM0.90m
10:39PM0.82m
10:56AM0.91m
11:37PM0.86m
11:55AM0.93m
00:27AM0.90m
12:46PM0.94m
1:10AM0.93m
1:31PM0.94m
Low Tide
7:32PM-0.06m
7:51AM-0.08m
8:13PM-0.09m
8:36AM-0.12m
8:54PM-0.09m
9:22AM-0.14m
9:38PM-0.08m
10:09AM-0.14m
10:24PM-0.05m
11:00AM-0.12m
11:14PM-0.01m
11:55AM-0.08m
00:09AM0.04m
12:56PM-0.04m
1:10AM0.08m
2:01PM0.00m
2:17AM0.10m
3:09PM0.02m
3:26AM0.10m
4:16PM0.01m
4:33AM0.07m
5:16PM-0.01m
5:34AM0.03m
6:08PM-0.02m
6:27AM-0.01m
6:53PM-0.03m
7:14AM-0.04m
7:34PM-0.03m
Wave
height (m) 
direction
period (s) 
0.6
SE
9
0.5
SE
9
0.5
SE
9
0.6
ESE
8
0.4
ESE
8
0.8
SE
5
1.1
SSW
4
0.6
E
8
0.7
E
8
0.5
ESE
8
0.5
ESE
8
0.8
SSW
4
1.2
SSW
4
1
SSW
5
1.2
NNE
4
0.8
SE
8
1
N
4
0.9
NE
5
0.4
ENE
8
0.9
SW
4
1
WSW
4
0.8
NW
4
0.3
SE
7
0.5
S
3
1.8
S
6
1.6
SSW
6
0.8
SW
5
0.9
N
4
1.6
NE
5
1.7
NE
5
1.6
NE
6
0.9
ENE
10
0.7
ENE
10
0.5
E
9
0.6
E
5
0.4
ESE
8
0.3
ESE
8
0.3
E
8
0.4
E
8
0.6
SE
4
0.7
SSW
4
1
SW
4
0.8
SW
4
0.8
SW
4
1.3
SSW
5
1.1
SW
4
1
WNW
4
part cloud
cloud
part cloud
clear
clear
part cloud
light rain
mod rain
light rain
part cloud
part cloud
part cloud
cloud
light rain
cloud
cloud
cloud
part cloud
part cloud
cloud
light rain
clear
clear
part cloud
part cloud
part cloud
light rain
mod snow
mod snow
mod snow
mod snow
cloud
part cloud
part cloud
cloud
cloud
clear
part cloud
part cloud
clear
clear
clear
cloud
part cloud
cloud
part cloud
clear
some clouds
cloudy
some clouds
clear
clear
some clouds
light rain
mod rain
light rain
some clouds
some clouds
some clouds
cloudy
light rain
cloudy
cloudy
cloudy
some clouds
some clouds
cloudy
light rain
clear
clear
some clouds
some clouds
some clouds
light rain
mod snow
mod snow
mod snow
mod snow
cloudy
some clouds
some clouds
cloudy
cloudy
clear
some clouds
some clouds
clear
clear
clear
cloudy
some clouds
cloudy
some clouds
clear
 km/h
10
SE
15
SE
10
S
20
SW
10
WSW
30
SSW
30
SSW
10
NNW
25
NNE
10
E
25
SSW
25
SW
35
SSW
20
WNW
35
NNE
25
N
40
N
25
N
10
W
30
WSW
20
WNW
30
NW
0
WSW
30
S
50
SSW
45
SW
25
NW
35
N
45
NNE
50
NNE
50
N
25
NNW
10
WSW
10
SSW
20
ENE
15
NE
5
SE
10
SE
15
S
15
SSW
30
SW
35
SW
25
SW
30
SW
40
SW
25
W
35
WNW
 mm 
3
10
1
1
1
2
max°C
0
1
2
2
4
5
7
7
4
4
6
8
10
10
3
3
-1
2
1
5
6
3
-4
-1
10
11
10
1
-4
-5
-5
-5
-2
0
0
1
2
2
2
6
8
9
9
11
11
10
6
Moonrise
6:51
7:14
7:41
8:13
8:54
9:44
10:46
11:57
1:11
2:26
3:37
4:46
5:53
6:59
8:04
Moonset
7:53
9:10
10:28
11:47
1:03
2:11
3:08
3:52
4:26
4:54
5:17
5:38
5:58
6:19
6:40
Sunrise
6:46
6:43
6:43
6:41
6:39
6:37
6:35
6:33
6:33
6:31
6:28
6:26
6:26
6:24
6:22
6:20
Sunset
6:50
6:51
6:52
6:52
6:53
6:54
6:55
6:57
6:59
7:00
7:00
7:01
7:02
7:04
7:05
7:06
Today's sea temperature in South Yarmouth is
3.5° C
(Statistics for 18 Mar 1981-2005 – mean: 4.3 max: 5.9 min: 2.8°C)
Issued (local time): 7 pm Wednesday 18 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest