Chatham Harbor, Aunt Lydias Cove, Cape Cod Sea Conditions and Tide Table

Chatham Harbor, Aunt Lydias Cove, Cape Cod 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 08:14 PM.

Days 1–4 Weather Summary

Light rain (total 3mm), mostly falling on Tue morning. Warm air temperatures (max 25°C on Wed morning, min 19°C on Sun night). Wind will be generally light.

Days 5–7 Weather Summary

Light rain (total 2mm), mostly falling on Fri night. Very warm air temperatures (max 30°C on Fri afternoon, min 19°C on Sat morning). Wind will be generally light.

Days 8–10 Weather Summary

Light rain (total 8mm), mostly falling on Mon afternoon. Warm (max 22°C on Sun morning, min 18°C on Tue morning). Wind will be generally light.

Days 11–13 Weather Summary

Moderate rain (total 15mm), heaviest on Wed night. Warm (max 29°C on Fri afternoon, min 17°C on Tue night). Wind will be generally light.

Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Fri
25
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
3:15AM1.55m
3:52PM1.41m
4:01AM1.54m
4:36PM1.46m
4:50AM1.51m
5:22PM1.49m
5:43AM1.46m
6:12PM1.52m
6:39AM1.41m
7:06PM1.55m
7:39AM1.37m
8:02PM1.57m
8:42AM1.34m
9:01PM1.59m
9:46AM1.33m
10:02PM1.61m
10:49AM1.34m
11:01PM1.63m
11:48AM1.36m
11:59PM1.64m
12:44PM1.39m
00:53AM1.64m
1:35PM1.41m
Low Tide
9:54PM0.08m
10:26AM-0.03m
10:41PM0.06m
11:10AM-0.03m
11:31PM0.05m
11:56AM-0.02m
00:23AM0.04m
12:46PM0.01m
1:20AM0.03m
1:39PM0.04m
2:19AM0.02m
2:35PM0.06m
3:21AM0.01m
3:34PM0.08m
4:23AM-0.01m
4:34PM0.08m
5:25AM-0.03m
5:33PM0.07m
6:23AM-0.05m
6:30PM0.06m
7:17AM-0.07m
7:25PM0.04m
8:08AM-0.08m
Wave
height (m) 
direction
period (s) 
0.3
ESE
5.0
0.4
E
7.0
0.4
ESE
6.0
0.4
SE
4.0
0.3
ESE
6.0
0.4
SSW
3.0
0.4
SE
4.0
0.3
SSE
3.0
0.4
SSW
3.0
0.3
SE
5.0
0.3
SE
4.0
0.5
S
3.0
0.5
S
3.0
0.3
E
9.0
0.4
ESE
9.0
0.4
ENE
4.0
0.4
ENE
5.0
0.4
ENE
5.0
0.3
ENE
5.0
0.3
E
9.0
0.4
SE
4.0
0.4
SSE
3.0
0.4
SSE
3.0
0.4
S
3.0
0.4
SE
5.0
0.6
NE
4.0
0.7
NE
5.0
0.5
E
6.0
0.4
ESE
6.0
0.4
ENE
6.0
0.4
SE
4.0
0.6
SSE
4.0
0.4
ESE
4.0
0.3
E
7.0
0.3
E
7.0
0.6
SSW
3.0
clear
clear
clear
clear
light rain
part cloud
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
rain showers
part cloud
clear
clear
clear
part cloud
part cloud
cloud
mod rain
rain showers
cloud
part cloud
part cloud
clear
clear
rain showers
light rain
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
light rain
some clouds
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
rain shwrs
some clouds
clear
clear
clear
some clouds
some clouds
cloudy
mod rain
rain shwrs
cloudy
some clouds
some clouds
clear
clear
rain shwrs
light rain
some clouds
some clouds
some clouds
some clouds
 km/h
10
SSE
15
S
20
SSW
15
SW
10
SSW
20
SW
20
SW
20
SSW
20
SSW
15
SSW
20
SSW
25
SSW
20
SW
10
W
15
SW
15
N
20
NNE
15
NE
10
S
15
SSE
20
S
20
S
20
S
25
SSW
10
WNW
25
NE
25
NNE
15
NE
10
ENE
15
SSE
15
SSW
25
SSW
10
SW
10
NW
20
SSW
30
SW
 mm 
3
2
7
1
10
3
max°C
20
22
23
22
24
24
23
25
25
24
26
27
25
28
30
28
19
19
20
22
22
21
22
22
22
19
18
18
19
20
20
21
24
22
25
29
Moonrise
10:13
10:36
10:57
11:19
11:43
12:12
12:47
1:31
2:28
3:35
4:49
6:04
Moonset
8:00
9:11
10:23
11:35
12:48
2:04
3:22
4:40
5:53
6:57
7:47
8:27
8:57
Sunrise
5:16
5:18
5:18
5:18
5:20
5:20
5:22
5:22
5:24
5:24
5:24
5:26
Sunset
8:14
8:13
8:12
8:12
8:10
8:09
8:09
8:08
8:07
8:07
8:07
8:06
8:05
Today's sea temperature in Chatham Harbor, Aunt Lydias Cove, Cape Cod is 18.8 °C (Statistics for 13 Jul 1981-2005 – mean: 18.9 max: 20.7 min: 16.9°C)
Issued (local time): 7 pm Sunday 13 Jul 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest