Dennis Port Sea Conditions and Tide Table

Dennis Port 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 07:05 AM and sunset is at 04:15 PM.

Days 1–3 Weather Summary

Mostly dry. Icy conditions (max 4°C on Thu morning, min -5°C on Thu night). Winds decreasing (near gales from the NNW on Thu afternoon, light winds from the NNE by Fri night).

Days 4–6 Weather Summary

Moderate rain (total 16mm), heaviest on Sun night. Icy conditions (max 9°C on Mon afternoon, min -2°C on Mon night). Winds increasing (light winds from the WSW on Sun afternoon, strong winds from the W by Mon night).

Days 7–9 Weather Summary

A dusting of snow on Wed night. Freezing level rising with drizzle on Thu morning. Freeze-thaw conditions (max 3°C on Wed night, min -8°C on Thu night). Winds decreasing (fresh winds from the WSW on Wed night, light winds from the WNW by Fri morning).

Days 10–12 Weather Summary

Drizzle at first, then turning colder with dusting of snow on Mon night. Freeze-thaw conditions (max 9°C on Sat afternoon, min -5°C on Tue morning). Mainly strong winds.

Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
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
3:42PM1.06m
4:21AM1.00m
4:32PM1.04m
5:08AM1.03m
5:26PM1.02m
5:59AM1.07m
6:24PM1.01m
6:53AM1.12m
7:25PM1.00m
7:48AM1.16m
8:26PM1.01m
8:44AM1.21m
9:25PM1.01m
9:39AM1.24m
10:25PM1.04m
10:37AM1.27m
11:22PM1.06m
11:32AM1.30m
00:17AM1.09m
12:27PM1.29m
1:10AM1.10m
1:20PM1.27m
2:01AM1.10m
Low Tide
9:09AM0.14m
9:40PM0.03m
10:00AM0.13m
10:27PM0.04m
10:54AM0.11m
11:18PM0.05m
11:52AM0.08m
00:11AM0.06m
12:52PM0.03m
1:07AM0.05m
1:52PM-0.02m
2:04AM0.05m
2:52PM-0.07m
3:00AM0.04m
3:48PM-0.11m
3:57AM0.02m
4:44PM-0.15m
4:52AM-0.01m
5:38PM-0.17m
5:46AM-0.02m
6:29PM-0.17m
6:39AM-0.02m
7:19PM-0.15m
Wave
height (m) 
direction
period (s) 
1
E
9
1
NNE
6
1.3
NNE
8
1.1
NE
8
0.8
NE
8
0.5
ENE
10
0.7
E
12
0.8
ENE
12
0.6
E
12
0.5
ENE
12
0.4
ENE
12
0.5
SW
3
0.7
SE
4
0.9
SSW
4
1.1
SW
7
1.1
W
4
1.2
W
4
0.9
WNW
4
0.5
W
3
0.7
WSW
3
0.7
SW
4
0.8
WSW
4
0.8
NNW
4
0.6
N
4
0.4
NE
6
0.3
E
11
0.3
E
10
0.9
SSE
4
1
S
4
0.5
SSW
4
0.5
ENE
6
0.5
E
6
0.4
ESE
8
0.3
ESE
8
0.3
ESE
7
1.2
NNE
6
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
clear
clear
clear
part cloud
mod rain
mod rain
cloud
part cloud
cloud
part cloud
part cloud
part cloud
clear
snow showers
light rain
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
rain showers
cloud
cloud
cloud
cloud
cloud
snow showers
cloudy
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
clear
clear
clear
some clouds
mod rain
mod rain
cloudy
some clouds
cloudy
some clouds
some clouds
some clouds
clear
snow shwrs
light rain
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
rain shwrs
cloudy
cloudy
cloudy
cloudy
cloudy
snow shwrs
 km/h
35
WSW
35
NW
45
NNW
30
N
20
N
10
N
25
NNE
25
N
20
NW
15
WNW
15
W
20
SW
25
S
35
SW
45
W
45
W
45
W
35
W
25
W
30
WSW
35
WSW
30
W
35
NW
25
NNW
5
WNW
15
WSW
20
SSW
40
S
35
SSW
20
WNW
20
N
10
NE
10
ESE
5
E
15
NW
40
N
 mm 
10
6
1
1
max°C
4
4
-2
-4
-4
-2
-1
-2
-1
1
3
5
8
9
5
-1
-1
-1
1
1
3
3
-2
-6
-7
-6
3
8
9
5
2
2
1
2
2
-1
Moonrise
10:33
10:55
11:16
11:38
12:05
12:37
1:18
2:12
3:19
4:35
5:54
7:12
Moonset
9:58
11:07
12:17
1:31
2:49
4:10
5:29
6:40
7:39
8:24
8:59
Sunrise
7:05
7:05
7:05
7:05
7:05
7:07
7:07
7:07
7:07
7:07
7:07
7:07
Sunset
4:15
4:15
4:15
4:16
4:17
4:19
4:19
4:20
4:21
4:22
4:22
4:23
Today's sea temperature in Dennis Port is
5.3° C
(Statistics for 25 Dec 1981-2005 – mean: 7.4 max: 9.2 min: 5.3°C)
Issued (local time): 6 am Thursday 25 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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