Hyannis Sea Conditions and Tide Table

Hyannis 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 07:32 PM.

Days 1–3 Weather Summary

Moderate rain (total 14mm), heaviest on Sat night. Cool air temperatures (max 17°C on Mon afternoon, min 7°C on Sat night). Winds decreasing (strong winds from the SSW on Sat afternoon, calm by Mon afternoon).

Days 4–6 Weather Summary

Mostly dry. Cool air temperatures (max 18°C on Wed afternoon, min 8°C on Wed night). Winds decreasing (strong winds from the SW on Tue night, light winds from the WNW by Thu morning).

Days 7–9 Weather Summary

Light rain (total 3mm), mostly falling on Fri afternoon. Very mild (max 13°C on Fri afternoon, min 4°C on Sat night). Winds decreasing (fresh winds from the S on Fri afternoon, calm by Sun night).

Days 10–12 Weather Summary

Mostly dry. Very mild (max 14°C on Tue afternoon, min 8°C on Mon morning). Wind will be generally light.

Saturday
26
Sunday
27
Monday
28
Tuesday
29
Wednesday
30
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
Tuesday
6
Wednesday
7
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
11:34AM1.06m
11:53PM1.15m
12:26PM1.08m
00:41AM1.19m
1:18PM1.08m
1:30AM1.21m
2:10PM1.06m
2:20AM1.20m
3:04PM1.02m
3:13AM1.16m
4:00PM0.98m
4:10AM1.11m
4:59PM0.93m
5:10AM1.05m
6:02PM0.90m
6:14AM0.99m
7:05PM0.88m
7:20AM0.94m
8:07PM0.88m
8:24AM0.92m
9:04PM0.90m
9:23AM0.91m
9:55PM0.93m
Low Tide
5:02AM-0.12m
5:22PM-0.11m
5:54AM-0.19m
6:11PM-0.13m
6:46AM-0.23m
7:00PM-0.12m
7:37AM-0.24m
7:50PM-0.10m
8:28AM-0.22m
8:41PM-0.06m
9:21AM-0.17m
9:33PM-0.01m
10:16AM-0.10m
10:28PM0.05m
11:13AM-0.03m
11:27PM0.11m
12:13PM0.03m
00:29AM0.15m
1:14PM0.07m
1:35AM0.16m
2:15PM0.10m
2:39AM0.15m
3:10PM0.11m
3:38AM0.13m
Wave
height (m) 
direction
period (s) 
1.5
S
5
1.6
SSW
6
0.9
SSE
8
1.2
WSW
4
0.9
W
4
1
NNW
4
0.7
N
4
0.4
ESE
9
0.3
ESE
9
0.4
ESE
9
1
SW
4
1.4
SW
5
0.9
W
4
0.7
W
3
0.5
WNW
3
0.3
SE
8
0.5
SW
3
0.4
SSW
3
0.9
SSE
4
1.1
S
5
0.8
SSW
5
0.5
S
7
0.8
SW
4
0.7
WNW
3
0.4
SW
4
0.3
SSE
8
0.3
SE
7
0.3
SE
6
0.2
SSE
6
0.5
W
3
0.3
WNW
3
0.8
SW
4
0.5
WSW
3
0.2
SSE
6
0.5
ENE
3
0.4
SE
8
cloud
light rain
rain showers
part cloud
part cloud
cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
light rain
cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
cloud
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
cloudy
light rain
rain shwrs
some clouds
some clouds
cloudy
clear
clear
clear
clear
clear
some clouds
clear
clear
some clouds
some clouds
some clouds
some clouds
cloudy
light rain
cloudy
some clouds
clear
clear
clear
clear
some clouds
some clouds
cloudy
clear
clear
some clouds
some clouds
some clouds
clear
some clouds
 km/h
45
S
40
SSW
25
WNW
35
W
25
WNW
35
NNW
30
NNW
5
N
10
SW
20
SW
35
SW
40
SW
30
NW
25
WNW
20
NW
5
WNW
20
SW
15
S
30
SSE
30
S
15
WSW
10
WSW
30
SW
25
WNW
15
NW
10
SE
15
N
10
NNE
15
SSW
20
W
15
WNW
20
WSW
15
W
10
NE
20
ENE
15
ENE
 mm 
4
10
3
max°C
14
14
13
9
12
10
13
17
17
16
15
13
15
18
16
10
13
11
11
13
13
12
13
13
8
10
10
8
9
11
11
14
11
12
11
8
Moonrise
4:51
5:18
5:50
6:30
7:20
8:21
9:30
10:42
11:53
1:01
2:05
3:07
Moonset
6:28
7:51
9:15
10:36
11:48
12:47
1:32
2:06
2:33
2:56
3:15
Sunrise
5:45
5:43
5:41
5:41
5:39
5:37
5:37
5:35
5:33
5:33
5:31
5:31
Sunset
7:32
7:34
7:35
7:36
7:37
7:37
7:38
7:39
7:42
7:43
7:44
7:45
Today's sea temperature in Hyannis is 8.9 °C (Statistics for 26 Apr 1981-2005 – mean: 7.3 max: 8.5 min: 5.9°C)
Issued (local time): 1 am Saturday 26 Apr 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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