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 05:45 AM and sunset is at 07:31 PM.

Days 1–3 Weather Summary

Some drizzle, heaviest during Sun morning. Cool air temperatures (max 10°C on Mon afternoon, min 5°C on Sun morning). Winds increasing (light winds from the E on Sun morning, fresh winds from the NE by Tue afternoon).

Days 4–6 Weather Summary

Light rain (total 8mm), mostly falling on Thu morning. Cool air temperatures (max 11°C on Wed night, min 6°C on Wed morning). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Very mild (max 15°C on Mon afternoon, min 7°C on Sat night). Winds increasing (calm on Sat morning, fresh winds from the SW by Sun afternoon).

Days 10–12 Weather Summary

Moderate rain (total 19mm), heaviest on Wed night. Very mild (max 16°C on Tue afternoon, min 10°C on Thu morning). Winds decreasing (strong winds from the SSW on Wed morning, calm by Fri morning).

Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
1
Saturday
2
Sunday
3
Monday
4
Tuesday
5
Wednesday
6
Thursday
7
Friday
8
Saturday
9
Sunday
10
Mon
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
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
Wave Height Map
High Tide
9:36AM0.88m
10:19PM0.86m
10:40AM0.88m
11:13PM0.89m
11:36AM0.88m
00:00AM0.92m
12:26PM0.88m
00:42AM0.94m
1:11PM0.87m
1:21AM0.95m
1:52PM0.87m
1:57AM0.95m
2:31PM0.85m
2:34AM0.94m
3:10PM0.84m
3:12AM0.93m
3:49PM0.82m
3:51AM0.91m
4:30PM0.79m
4:32AM0.89m
5:14PM0.77m
5:17AM0.87m
6:01PM0.75m
6:05AM0.85m
6:50PM0.75m
6:56AM0.83m
7:41PM0.76m
7:51AM0.82m
Low Tide
3:53PM0.03m
4:20AM0.07m
4:50PM0.03m
5:19AM0.04m
5:40PM0.03m
6:10AM0.01m
6:24PM0.04m
6:55AM-0.02m
7:05PM0.04m
7:36AM-0.03m
7:44PM0.05m
8:16AM-0.03m
8:22PM0.07m
8:54AM-0.02m
9:00PM0.09m
9:34AM-0.01m
9:39PM0.11m
10:15AM0.02m
10:21PM0.13m
10:57AM0.04m
11:05PM0.15m
11:42AM0.07m
11:52PM0.17m
12:30PM0.09m
00:43AM0.18m
1:21PM0.09m
1:38AM0.17m
2:12PM0.09m
Wave
height (m) 
direction
period (s) 
0.4
E
13
0.4
ENE
13
0.5
SE
9
0.7
ENE
4
0.9
ENE
4
1.1
E
9
1.2
E
9
1.3
E
9
1.1
E
10
1
E
9
0.8
E
9
0.9
E
9
0.8
E
10
1.1
E
10
0.8
E
9
0.9
E
9
0.7
E
9
0.6
E
9
0.6
E
10
0.6
E
10
0.6
E
10
0.6
E
10
1.1
SW
4
0.6
E
9
0.4
E
9
0.7
SSW
4
0.8
SSW
4
1.2
SSW
5
1.2
SSW
5
0.9
SSW
4
1.4
SSW
5
1.6
SSW
6
0.7
SSE
7
0.5
SSE
8
0.7
SSE
8
0.6
SSE
8
0.4
SSE
8
0.6
SE
8
0.8
E
4
0.8
ESE
6
0.7
E
7
0.9
WNW
4
0.7
W
4
1.1
SW
4
0.7
SW
4
1.2
S
5
1.3
S
5
light rain
cloud
part cloud
clear
clear
clear
clear
part cloud
cloud
part cloud
part cloud
light rain
light rain
light rain
cloud
cloud
part cloud
part cloud
cloud
clear
part cloud
clear
part cloud
part cloud
clear
part cloud
clear
part cloud
clear
part cloud
cloud
light rain
heavy rain
part cloud
part cloud
part cloud
part cloud
light rain
heavy rain
rain showers
part cloud
clear
clear
clear
cloud
mod rain
heavy rain
light rain
cloudy
some clouds
clear
clear
clear
clear
some clouds
cloudy
some clouds
some clouds
light rain
light rain
light rain
cloudy
cloudy
some clouds
some clouds
cloudy
clear
some clouds
clear
some clouds
some clouds
clear
some clouds
clear
some clouds
clear
some clouds
cloudy
light rain
heavy rain
some clouds
some clouds
some clouds
some clouds
light rain
heavy rain
rain shwrs
some clouds
clear
clear
clear
cloudy
mod rain
heavy rain
 km/h
15
ESE
15
ENE
15
NE
20
NE
25
NE
25
NE
30
NE
30
NE
25
N
25
N
10
NE
20
SE
15
SSE
25
SSE
20
NW
25
WNW
5
NE
10
WNW
5
S
15
S
20
WNW
15
WNW
30
SW
15
WSW
10
W
25
SW
20
SW
40
SW
35
SSW
30
SSW
40
SSW
40
SSW
15
WSW
15
NNW
15
SSW
15
W
5
SW
15
SE
25
NE
25
NW
15
W
25
WNW
20
W
35
SW
20
SW
35
S
35
S
 mm 
1
3
4
1
2
17
1
15
7
6
15
max°C
7
8
8
9
10
6
5
6
6
7
7
11
10
11
11
8
11
11
10
11
9
10
12
10
13
15
13
15
16
14
15
15
14
11
15
14
12
13
9
10
13
13
11
13
11
13
13
Moonrise
2:38
3:44
4:49
5:53
6:58
8:03
9:07
10:09
11:06
11:56
12:39
1:14
1:43
2:08
2:31
Moonset
3:23
3:44
4:04
4:24
4:45
5:08
5:36
6:09
6:48
7:36
8:31
9:32
10:36
11:42
12:49
1:57
Sunrise
5:45
5:43
5:41
5:39
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
7:31
7:34
7:35
7:36
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
8.5° C
(Statistics for 26 Apr 1981-2005 – mean: 7.2 max: 8.4 min: 5.9°C)
Issued (local time): 7 am Sunday 26 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest