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 05:09 PM.

Days 1–4 Weather Summary

Mostly dry. Icy conditions (max 2°C on Sat afternoon, min -5°C on Sat night). Winds increasing (light winds from the WSW on Fri afternoon, fresh winds from the NNW by Sat night).

Days 5–7 Weather Summary

Mostly dry. Icy conditions (max 5°C on Wed morning, min -4°C on Sun afternoon). Wind will be generally light.

Days 8–10 Weather Summary

Mild at first with light rain (total 3mm) on Wed afternoon followed by colder weather and light fall of snow, heaviest on Fri night. Freeze-thaw conditions (max 5°C on Wed afternoon, min -8°C on Thu night). Winds decreasing (strong winds from the NNW on Thu afternoon, calm by Fri afternoon).

Days 11–13 Weather Summary

A moderate fall of snow, heaviest on Mon night. Freeze-thaw conditions (max 1°C on Sat afternoon, min -4°C on Tue morning). Winds increasing (calm on Sat afternoon, strong winds from the N by Mon night).

Thu
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
Wednesday
25
Thursday
26
Friday
27
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
night
Wave Height Map
High Tide
9:42PM0.69m
9:51AM0.83m
10:35PM0.72m
10:42AM0.86m
11:22PM0.75m
11:28AM0.89m
00:03AM0.79m
12:10PM0.93m
00:42AM0.84m
12:50PM0.95m
1:19AM0.88m
1:30PM0.97m
1:56AM0.92m
2:11PM0.97m
2:35AM0.95m
2:53PM0.96m
3:15AM0.97m
3:39PM0.93m
3:59AM0.98m
4:28PM0.89m
4:48AM0.97m
5:23PM0.84m
5:42AM0.95m
6:24PM0.80m
6:43AM0.93m
7:31PM0.77m
7:49AM0.92m
Low Tide
3:26PM0.11m
3:28AM0.17m
4:19PM0.09m
4:20AM0.15m
5:06PM0.05m
5:08AM0.11m
5:48PM0.01m
5:53AM0.06m
6:27PM-0.03m
6:35AM0.02m
7:05PM-0.06m
7:17AM-0.02m
7:44PM-0.08m
7:59AM-0.05m
8:23PM-0.09m
8:43AM-0.07m
9:04PM-0.09m
9:29AM-0.08m
9:48PM-0.06m
10:18AM-0.08m
10:35PM-0.02m
11:12AM-0.05m
11:27PM0.02m
12:11PM-0.03m
00:25AM0.06m
1:16PM-0.00m
1:29AM0.09m
2:23PM0.00m
Wave
height (m) 
direction
period (s) 
0.4
NW
3
0.4
NW
3
0.3
ENE
8
0.3
ENE
7
0.5
W
3
0.5
WSW
3
0.4
WSW
3
0.5
W
3
0.6
N
4
0.2
ESE
6
0.2
E
5
0.2
ESE
6
0.2
E
3
0.3
SE
9
0.4
SE
9
0.6
SSW
5
0.4
ESE
9
0.3
ESE
8
0.4
ESE
8
0.5
SSW
4
0.7
WSW
4
0.8
W
5
0.9
NNE
5
0.5
E
8
0.3
E
8
0.3
E
3
0.4
ESE
3
0.4
ESE
4
0.4
S
8
0.4
W
4
0.3
SSE
8
0.3
SSE
8
0.8
ENE
4
1.1
ENE
5
1.7
ENE
6
1.6
NE
6
1.1
E
10
0.8
ENE
9
0.5
E
9
0.6
E
9
0.6
ESE
8
0.4
SSE
8
0.3
SSE
8
0.3
S
8
0.5
SE
4
0.5
W
4
0.5
W
4
part cloud
part cloud
clear
clear
part cloud
part cloud
cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
cloud
cloud
light rain
light rain
part cloud
part cloud
part cloud
part cloud
light snow
heavy snow
cloud
cloud
part cloud
part cloud
part cloud
cloud
light snow
light snow
mod snow
light snow
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
clear
part cloud
some clouds
some clouds
clear
clear
some clouds
some clouds
cloudy
some clouds
clear
some clouds
some clouds
some clouds
some clouds
some clouds
clear
clear
cloudy
cloudy
light rain
light rain
some clouds
some clouds
some clouds
some clouds
light snow
heavy snow
cloudy
cloudy
some clouds
some clouds
some clouds
cloudy
light snow
light snow
mod snow
light snow
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
clear
some clouds
 km/h
20
NW
20
NW
15
NW
10
WSW
20
W
20
WSW
15
WNW
25
WNW
25
NNW
10
N
5
ENE
10
E
10
ENE
10
SSW
20
SW
20
SW
15
WSW
10
SW
15
S
20
SW
35
NNW
30
NNW
30
N
20
NNW
0
NE
15
SSE
15
E
0
WNW
15
NW
20
N
10
N
10
ENE
25
NE
35
NE
45
NNE
50
N
30
NNW
20
WNW
15
WSW
20
SSW
20
SW
15
WSW
5
NNW
15
N
20
N
20
NNW
25
NNW
 mm 
1
2
max°C
0
-3
-2
0
-2
1
2
0
-4
-3
0
2
2
1
2
4
4
5
5
4
2
1
-4
-7
-6
-1
1
1
0
-1
-1
1
0
0
0
-3
-3
-5
-2
2
2
5
5
3
-1
-1
-4
Moonrise
4:31
5:13
5:48
6:17
6:42
7:05
7:26
7:48
8:12
8:39
9:13
9:55
10:49
11:54
1:07
Moonset
1:06
2:10
3:18
4:28
5:38
6:48
7:59
9:11
10:26
11:42
12:59
2:13
3:17
4:10
Sunrise
6:37
6:37
6:35
6:33
6:33
6:31
6:30
6:28
6:26
6:26
6:24
6:22
6:20
6:20
6:18
Sunset
5:09
5:10
5:12
5:14
5:15
5:15
5:16
5:19
5:20
5:21
5:22
5:23
5:24
5:25
5:27
5:28
Today's sea temperature in South Yarmouth is
-0.3° C
(Statistics for 12 Feb 1981-2005 – mean: 4.3 max: 5.7 min: 3.1°C)
Issued (local time): 6 pm Thursday 12 Feb 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest