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 08:15 PM.

Days 1–4 Weather Summary

Light rain (total 8mm), mostly falling on Fri night. Warm air temperatures (max 24°C on Sun morning, min 19°C on Sat morning). Wind will be generally light.

Days 5–7 Weather Summary

Some drizzle, heaviest during Thu afternoon. Warm air temperatures (max 22°C on Tue afternoon, min 17°C on Mon night). Winds increasing (light winds from the W on Tue morning, fresh winds from the SSW by Thu afternoon).

Days 8–10 Weather Summary

Mostly dry. Warm (max 22°C on Fri afternoon, min 17°C on Thu night). Winds decreasing (fresh winds from the SW on Thu night, light winds from the SSE by Sun afternoon).

Days 11–13 Weather Summary

Heavy rain (total 29mm), heaviest during Mon night. Warm (max 21°C on Sun night, min 12°C on Tue night). Winds increasing (light winds from the SW on Sun night, strong winds from the NE by Tue morning).

Days 14–17 Weather Summary

Moderate rain (total 11mm), heaviest on Sat morning. Warm (max 23°C on Sat afternoon, min 15°C on Wed night). Wind will be generally light.

Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sun
28
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
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High Tide
11:15PM1.03m
11:56AM0.88m
00:08AM1.07m
12:52PM0.91m
1:03AM1.10m
1:48PM0.92m
1:57AM1.12m
2:43PM0.93m
2:53AM1.11m
3:38PM0.93m
3:48AM1.09m
4:34PM0.93m
4:45AM1.04m
5:29PM0.92m
5:43AM0.99m
6:25PM0.91m
6:41AM0.93m
7:21PM0.90m
7:41AM0.87m
8:16PM0.90m
8:42AM0.82m
9:10PM0.89m
9:41AM0.79m
10:03PM0.89m
10:39AM0.77m
10:52PM0.89m
11:32AM0.77m
Low Tide
5:01PM0.02m
5:45AM-0.09m
5:55PM-0.00m
6:40AM-0.14m
6:49PM-0.02m
7:34AM-0.17m
7:43PM-0.04m
8:27AM-0.18m
8:37PM-0.04m
9:21AM-0.17m
9:32PM-0.03m
10:14AM-0.15m
10:28PM-0.02m
11:08AM-0.11m
11:25PM0.01m
12:01PM-0.06m
00:24AM0.04m
12:55PM-0.01m
1:24AM0.06m
1:50PM0.04m
2:26AM0.08m
2:44PM0.08m
3:27AM0.08m
3:38PM0.11m
4:25AM0.07m
4:29PM0.13m
5:19AM0.06m
5:18PM0.14m
Wave
Height (m)
Direction
Period (s)
0.4
SE
6
0.4
SE
7
0.4
SE
7
0.3
SE
7
0.3
SE
8
0.5
SSW
3
0.8
S
4
0.5
SW
4
0.9
SW
4
0.4
SSE
7
0.4
SE
7
0.5
SSW
4
0.6
SSW
4
0.6
SSW
3
0.6
SSW
4
0.7
S
4
1.1
S
4
1.1
SSW
5
0.7
S
8
0.7
SW
5
0.8
SSW
5
0.6
WSW
5
0.3
S
8
0.8
SW
4
0.7
SW
4
0.5
W
3
0.4
SW
4
0.4
SW
4
0.4
ENE
3
0.7
ESE
4
1.6
ESE
6
1.3
E
5
1.5
ENE
6
1
E
7
0.7
E
8
0.6
E
8
0.5
E
7
0.4
ENE
7
0.5
E
7
0.4
ENE
8
0.4
ENE
8
0.4
ENE
8
0.9
SE
4
0.7
S
4
0.9
SSE
10
0.9
SSE
10
0.6
SSE
9
rain showers
part cloud
clear
clear
clear
part cloud
light rain
part cloud
part cloud
clear
part cloud
part cloud
part cloud
clear
part cloud
part cloud
cloud
rain showers
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
light rain
heavy rain
mod rain
cloud
part cloud
clear
clear
clear
part cloud
cloud
part cloud
cloud
cloud
light rain
mod rain
clear
clear
clear
rain shwrs
some clouds
clear
clear
clear
some clouds
light rain
some clouds
some clouds
clear
some clouds
some clouds
some clouds
clear
some clouds
some clouds
cloudy
rain shwrs
clear
some clouds
clear
clear
clear
clear
clear
clear
some clouds
some clouds
cloudy
light rain
heavy rain
mod rain
cloudy
some clouds
clear
clear
clear
some clouds
cloudy
some clouds
cloudy
cloudy
light rain
mod rain
clear
clear
clear
km/h
20
NW
20
N
10
S
15
W
15
SSW
20
SSW
25
S
15
WNW
20
WSW
15
WNW
10
W
20
SW
20
WSW
25
SW
25
SSW
25
S
35
S
30
SSW
20
WNW
20
W
25
SW
20
NNW
10
WSW
30
SW
20
WSW
15
NW
5
SSE
10
N
20
ENE
30
ESE
35
ESE
40
NE
40
NE
25
NE
15
NE
10
E
15
S
20
S
15
S
15
SSW
20
S
10
SSE
25
SSE
20
S
20
WSW
25
WSW
15
WNW
6
2
1
2
19
8
4
7
max °C
22
20
22
22
24
23
20
20
22
18
20
22
18
21
21
18
20
20
21
19
22
21
20
21
19
20
21
21
18
16
17
15
14
14
15
16
15
17
17
17
19
19
20
20
23
22
22
Moonrise
3:11
4:01
5:05
6:20
7:40
9:00
10:15
11:26
12:33
1:38
2:43
3:47
4:51
5:54
6:54
Moonset
7:08
8:24
9:28
10:19
10:57
11:27
11:52
12:14
12:34
12:55
1:17
1:42
2:11
2:46
3:29
Sunrise
5:05
5:05
5:05
5:05
5:05
5:05
5:05
5:05
5:05
5:05
5:05
5:07
5:07
5:07
5:07
5:07
Sunset
8:15
8:15
8:15
8:15
8:16
8:16
8:16
8:17
8:17
8:17
8:17
8:17
8:19
8:19
8:19
8:19
Today's sea temperature in South Yarmouth is
16.2° C
(Statistics for 12 Jun 1981-2005 – mean: 14.4 max: 16.1 min: 12.8°C)
Issued (local time): 7 pm Friday 12 Jun 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest