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 05:39 AM and sunset is at 07:37 PM.

Days 1–3 Weather Summary

Mostly dry. Cool air temperatures (max 15°C on Wed morning, min 10°C on Wed night). Winds increasing (calm on Wed night, fresh winds from the SSW by Fri afternoon).

Days 4–6 Weather Summary

Light rain (total 2mm), mostly falling on Sat night. Cool air temperatures (max 16°C on Sat afternoon, min 7°C on Mon morning). Winds decreasing (strong winds from the SSW on Sat afternoon, calm by Mon night).

Days 7–9 Weather Summary

Mostly dry. Very mild (max 15°C on Wed morning, min 8°C on Wed morning). Mainly fresh winds.

Days 10–12 Weather Summary

Mostly dry. Warm (max 20°C on Fri afternoon, min 9°C on Sun afternoon). Wind will be generally light.

Wednesday
30
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
Tuesday
6
Wednesday
7
Thursday
8
Friday
9
Saturday
10
Sunday
11
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
3:53PM0.95m
4:03AM1.09m
4:48PM0.91m
4:58AM1.03m
5:46PM0.86m
5:57AM0.97m
6:48PM0.82m
6:59AM0.91m
7:52PM0.80m
8:05AM0.87m
8:55PM0.80m
9:11AM0.84m
9:54PM0.82m
10:12AM0.83m
10:46PM0.84m
11:07AM0.83m
11:32PM0.86m
11:56AM0.83m
00:12AM0.89m
12:39PM0.83m
00:49AM0.91m
1:20PM0.83m
1:25AM0.92m
Low Tide
9:37AM-0.20m
9:49PM-0.04m
10:30AM-0.15m
10:42PM0.00m
11:26AM-0.09m
11:39PM0.06m
12:24PM-0.03m
00:39AM0.10m
1:26PM0.02m
1:43AM0.13m
2:29PM0.06m
2:50AM0.14m
3:30PM0.08m
3:54AM0.13m
4:24PM0.09m
4:52AM0.10m
5:12PM0.09m
5:41AM0.07m
5:54PM0.09m
6:25AM0.05m
6:33PM0.09m
7:05AM0.02m
7:10PM0.09m
Wave
height (m) 
direction
period (s) 
0.7
SW
5
0.4
SSE
8
0.4
SE
8
0.3
SE
8
0.4
SE
4
0.6
S
3
1
S
4
0.9
SSW
4
0.7
SSW
4
0.9
SSW
4
1.5
SSW
5
0.7
S
7
0.7
SW
5
0.7
W
4
0.5
SW
4
0.6
NW
3
0.6
NNE
3
0.3
SE
6
0.2
ESE
7
0.5
SW
3
1
WSW
4
0.9
NE
4
0.7
NE
4
0.3
E
8
0.4
ENE
8
0.4
ENE
4
0.4
ESE
5
0.4
W
3
0.4
NE
3
0.2
E
10
0.4
SE
4
0.6
SSW
3
0.6
WSW
3
0.6
NE
3
0.4
ENE
3
0.3
SE
6
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
rain showers
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
some clouds
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
clear
rain shwrs
some clouds
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
clear
 km/h
20
NW
15
NNE
5
NW
10
SE
20
S
20
S
30
SSW
30
SSW
20
SW
30
SSW
40
SSW
20
WSW
20
W
15
NW
15
WNW
30
NNW
20
NE
15
W
10
N
25
SW
30
WSW
35
NNE
20
NE
10
N
15
NNE
20
S
15
WSW
20
NW
10
NNW
5
NNW
20
SSW
25
SW
20
WSW
25
NE
15
E
10
WNW
 mm 
2
max°C
15
15
11
11
12
12
14
15
13
14
16
15
11
15
15
8
9
9
10
13
14
15
12
12
9
9
13
18
20
19
18
19
18
17
10
11
Moonrise
7:19
8:20
9:29
10:42
11:52
1:00
2:04
3:06
4:08
5:08
6:10
7:13
Moonset
11:48
12:46
1:31
2:06
2:33
2:55
3:15
3:33
3:51
4:10
4:31
Sunrise
5:39
5:37
5:35
5:35
5:33
5:31
5:31
5:30
5:28
5:28
5:26
5:24
Sunset
7:37
7:37
7:38
7:39
7:40
7:42
7:43
7:44
7:45
7:45
7:46
7:49
Today's sea temperature in South Yarmouth is 9.2 °C (Statistics for 30 Apr 1981-2005 – mean: 7.7 max: 9.3 min: 6.2°C)
Issued (local time): 7 am Wednesday 30 Apr 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest