Londonderry County Borough Sea Conditions and Tide Table

Londonderry County Borough 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 04:50 AM and sunset is at 10:06 PM.

Days 1–3 Weather Summary

Moderate rain (total 11mm), heaviest on Wed night. Cool air temperatures (max 15°C on Fri morning, min 8°C on Wed night). Wind will be generally light.

Days 4–6 Weather Summary

Moderate rain (total 13mm), heaviest on Mon night. Warm air temperatures (max 22°C on Mon morning, min 11°C on Sun night). Wind will be generally light.

Days 7–9 Weather Summary

Moderate rain (total 15mm), heaviest on Wed afternoon. Very mild (max 17°C on Tue morning, min 9°C on Thu night). Wind will be generally light.

Days 10–12 Weather Summary

Light rain (total 2mm), mostly falling on Sat night. Warm (max 23°C on Sun afternoon, min 12°C on Fri morning). Wind will be generally light.

Days 13–16 Weather Summary

Some drizzle, heaviest during Tue afternoon. Warm (max 25°C on Tue morning, min 11°C on Thu night). Wind will be generally light.

Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thu
25
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
PM
Wave Height Map
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High Tide
6:01PM2.50m
6:19AM2.87m
6:53PM2.71m
7:10AM2.98m
7:40PM2.86m
7:56AM3.01m
8:23PM2.94m
8:39AM2.94m
9:04PM2.93m
9:20AM2.78m
9:42PM2.85m
9:59AM2.54m
10:19PM2.71m
10:34AM2.27m
10:53PM2.54m
11:07AM1.99m
11:26PM2.35m
11:32AM1.75m
11:59PM2.18m
11:22AM1.57m
00:40AM2.03m
10:05AM1.53m
1:59AM1.93m
2:54PM1.42m
3:38AM1.92m
4:53PM1.55m
7:29PM1.55m
5:34PM1.77m
Low Tide
11:54AM0.49m
00:07AM0.57m
12:47PM0.32m
1:02AM0.42m
1:35PM0.20m
1:53AM0.33m
2:20PM0.17m
2:41AM0.31m
3:02PM0.24m
3:27AM0.37m
3:41PM0.39m
4:11AM0.51m
4:17PM0.61m
4:54AM0.71m
4:49PM0.85m
5:37AM0.95m
5:11PM1.07m
6:22AM1.18m
5:00PM1.24m
7:14AM1.38m
4:08PM1.28m
8:33AM1.51m
4:18PM1.31m
1:27PM1.41m
1:01PM1.39m
10:09PM1.49m
12:00PM1.30m
11:21PM1.34m
Wave
Height (m)
Direction
Period (s)
rain showers
rain showers
light rain
light rain
cloud
part cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
clear
part cloud
thunderstorm
rain showers
rain showers
rain showers
light rain
thunderstorm
thunderstorm
part cloud
rain showers
cloud
part cloud
cloud
clear
part cloud
part cloud
part cloud
rain showers
part cloud
rain showers
part cloud
clear
clear
clear
clear
rain showers
part cloud
part cloud
clear
part cloud
part cloud
clear
rain shwrs
rain shwrs
light rain
light rain
cloudy
some clouds
cloudy
some clouds
some clouds
cloudy
cloudy
cloudy
cloudy
some clouds
clear
some clouds
risk tstorm
rain shwrs
rain shwrs
rain shwrs
light rain
risk tstorm
risk tstorm
some clouds
rain shwrs
cloudy
some clouds
cloudy
clear
some clouds
some clouds
some clouds
rain shwrs
some clouds
rain shwrs
some clouds
clear
clear
clear
clear
rain shwrs
some clouds
some clouds
clear
some clouds
some clouds
clear
km/h
15
W
20
W
5
S
15
S
15
WSW
15
WSW
20
WSW
25
W
20
WSW
20
W
5
WNW
5
NNE
10
ENE
15
SE
5
E
15
SE
20
SSE
5
SSW
10
SSW
15
SW
10
S
15
S
15
SW
15
WSW
20
SW
25
W
10
SW
10
SSW
5
ESE
10
SE
20
SSE
25
SSE
15
SE
20
SSE
20
SW
10
SSW
15
SW
10
WSW
5
S
5
SSW
5
SSW
5
N
5
NE
10
NNE
5
NE
5
NNE
10
NE
3
1
4
3
2
11
1
2
1
4
5
2
1
1
1
max °C
13
14
10
12
13
12
15
14
11
13
13
13
20
20
16
22
21
17
17
17
13
14
13
12
13
14
11
16
19
15
20
21
18
20
23
16
21
23
21
25
25
19
22
23
15
22
23
Moonrise
2:08
2:18
2:30
2:50
3:21
4:14
5:33
7:08
8:47
10:20
11:48
1:10
2:30
3:49
5:08
6:27
Moonset
4:09
5:42
7:21
9:00
10:27
11:31
12:09
12:32
12:47
12:57
1:05
1:12
1:19
1:28
1:38
Sunrise
4:50
4:50
4:50
4:50
4:50
4:48
4:48
4:48
4:48
4:48
4:48
4:48
4:48
4:50
4:50
4:50
Sunset
10:06
10:06
10:07
10:07
10:08
10:08
10:09
10:09
10:10
10:10
10:10
10:12
10:12
10:12
10:12
10:12
Today's sea temperature in Londonderry County Borough is
15.8° C
(Statistics for 10 Jun 1981-2005 – mean: 11.9 max: 13.2 min: 11.1°C)
Issued (local time): 12 pm Wednesday 10 Jun 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest