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 07:01 AM and sunset is at 06:40 PM.

Days 1–3 Weather Summary

Light rain (total 2mm), mostly falling on Wed night. Icy conditions (max 11°C on Tue morning, min -1°C on Thu night). Winds increasing (light winds from the SW on Tue night, fresh winds from the SSW by Wed night).

Days 4–6 Weather Summary

Light rain (total 3mm), mostly falling on Fri night. Icy conditions (max 10°C on Sun night, min -1°C on Fri morning). Winds decreasing (strong winds from the S on Fri night, calm by Sat night).

Days 7–9 Weather Summary

Heavy rain (total 34mm), heaviest during Mon afternoon. Freeze-thaw conditions (max 12°C on Mon morning, min -5°C on Wed morning). Winds decreasing (near gales from the S on Mon afternoon, calm by Wed afternoon).

Days 10–12 Weather Summary

Mostly dry. Freeze-thaw conditions (max 6°C on Sat afternoon, min -1°C on Thu morning). Winds decreasing (fresh winds from the SSW on Fri afternoon, calm by Sat afternoon).

Tuesday
10
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wed
25
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
6:24AM0.84m
7:03PM0.72m
7:16AM0.81m
8:00PM0.69m
8:13AM0.79m
9:01PM0.68m
9:13AM0.79m
10:01PM0.69m
10:12AM0.81m
10:55PM0.73m
11:05AM0.85m
11:43PM0.78m
11:53AM0.88m
00:26AM0.83m
12:38PM0.92m
1:05AM0.89m
1:21PM0.96m
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
Low Tide
12:47PM0.09m
00:57AM0.16m
1:43PM0.12m
1:52AM0.19m
2:42PM0.14m
2:51AM0.20m
3:41PM0.13m
3:50AM0.18m
4:37PM0.10m
4:45AM0.15m
5:26PM0.06m
5:36AM0.10m
6:10PM0.02m
6:23AM0.04m
6:51PM-0.03m
7:07AM-0.02m
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
Wave
height (m) 
direction
period (s) 
0.5
E
8
0.6
SSW
3
0.4
ESE
8
0.3
ESE
8
0.5
S
3
1.3
SSW
5
0.9
SSW
5
0.9
SW
5
0.8
WNW
4
0.5
SW
5
0.7
SW
4
1.4
S
5
1.3
WSW
5
1.1
WSW
4
0.4
WSW
5
0.3
S
7
0.9
SSE
4
1.4
S
5
2
S
6
2.2
S
7
1.2
SSE
10
1.2
SSE
10
0.9
SSE
10
1.1
SE
10
0.7
SE
9
0.6
SE
9
0.6
SE
8
0.4
ESE
9
0.5
ESE
9
0.4
ESE
8
0.6
S
3
1
SSW
4
0.7
ESE
10
0.7
E
10
0.6
E
10
0.5
E
10
0.4
E
9
0.4
E
9
0.4
E
8
1.2
ENE
5
0.8
ENE
5
0.4
ENE
8
0.3
E
8
0.2
E
8
0.6
SE
3
1.2
SE
5
0.8
SE
7
clear
clear
clear
part cloud
part cloud
light rain
cloud
cloud
part cloud
clear
part cloud
rain showers
clear
part cloud
part cloud
cloud
part cloud
part cloud
light rain
heavy rain
heavy rain
part cloud
clear
cloud
clear
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
part cloud
snow showers
light snow
part cloud
part cloud
light snow
light snow
light snow
cloud
cloud
clear
clear
clear
some clouds
some clouds
light rain
cloudy
cloudy
some clouds
clear
some clouds
rain shwrs
clear
some clouds
some clouds
cloudy
some clouds
some clouds
light rain
heavy rain
heavy rain
some clouds
clear
cloudy
clear
clear
clear
some clouds
some clouds
some clouds
cloudy
cloudy
cloudy
some clouds
some clouds
cloudy
cloudy
some clouds
snow shwrs
light snow
some clouds
some clouds
light snow
light snow
light snow
cloudy
cloudy
 km/h
20
SW
25
SW
15
SW
15
SSW
25
S
35
SW
25
WNW
30
WNW
30
WNW
15
W
25
SSW
40
S
35
W
30
W
15
W
15
SSE
30
SSE
40
S
50
S
50
SSW
25
WNW
30
W
25
WNW
30
NW
20
NW
5
WSW
20
SSW
15
SSE
20
SSE
15
S
25
SSW
30
SW
25
WNW
15
WNW
0
SW
15
W
5
W
20
SW
25
N
35
NE
20
NE
5
SW
5
WSW
5
NE
20
SSE
35
SSE
25
SW
 mm 
2
3
5
17
12
max°C
11
10
11
8
8
11
9
5
2
1
2
6
4
7
4
3
7
10
12
12
11
-1
3
0
-4
-1
0
0
0
1
3
5
5
4
6
6
5
7
8
-1
-3
-2
-2
-2
2
7
9
Moonrise
1:31
2:30
3:23
4:08
4:45
5:17
5:43
6:07
6:29
6:51
7:14
7:41
8:13
8:54
9:44
10:46
Moonset
10:12
10:58
11:52
12:53
1:59
3:08
4:18
5:29
6:40
7:53
9:10
10:28
11:47
1:03
2:11
Sunrise
7:01
7:00
6:58
6:56
6:54
6:52
6:50
6:50
6:48
6:46
6:43
6:43
6:41
6:39
6:37
6:35
Sunset
6:40
6:42
6:43
6:44
6:45
6:45
6:46
6:49
6:50
6:51
6:52
6:52
6:53
6:54
6:55
6:57
Today's sea temperature in South Yarmouth is
2.4° C
(Statistics for 10 Mar 1981-2005 – mean: 4.2 max: 5.6 min: 2.3°C)
Issued (local time): 1 am Tuesday 10 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest