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 04:52 AM and sunset is at 10:05 PM.

Days 1–3 Weather Summary

Moderate rain (total 15mm), heaviest on Tue morning. Cool air temperatures (max 14°C on Thu afternoon, min 6°C on Tue night). Wind will be generally light.

Days 4–6 Weather Summary

Some drizzle, heaviest during Sun afternoon. Warm air temperatures (max 24°C on Sun afternoon, min 10°C on Fri night). Wind will be generally light.

Days 7–9 Weather Summary

Moderate rain (total 19mm), heaviest on Tue morning. Warm (max 25°C on Mon afternoon, min 11°C on Tue night). Wind will be generally light.

Days 10–12 Weather Summary

Moderate rain (total 13mm), heaviest on Fri afternoon. Warm (max 24°C on Sat afternoon, min 10°C on Thu night). Wind will be generally light.

Days 13–16 Weather Summary

Moderate rain (total 10mm), heaviest on Mon afternoon. Warm (max 26°C on Sun afternoon, min 11°C on Mon night). Wind will be generally light.

Tuesday
9
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
Wed
24
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
4:58PM2.29m
5:22AM2.71m
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
Low Tide
10:51AM0.69m
11:04PM0.75m
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
Wave
Height (m)
Direction
Period (s)
thunderstorm
rain showers
cloud
light rain
rain showers
rain showers
light rain
cloud
part cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
thunderstorm
cloud
cloud
rain showers
light rain
mod rain
thunderstorm
light rain
rain showers
light rain
cloud
part cloud
cloud
cloud
light rain
mod rain
light rain
light rain
cloud
part cloud
part cloud
cloud
thunderstorm
rain showers
thunderstorm
rain showers
cloud
part cloud
cloud
light rain
part cloud
risk tstorm
rain shwrs
cloudy
light rain
rain shwrs
rain shwrs
light rain
cloudy
some clouds
cloudy
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
risk tstorm
cloudy
cloudy
rain shwrs
light rain
mod rain
risk tstorm
light rain
rain shwrs
light rain
cloudy
some clouds
cloudy
cloudy
light rain
mod rain
light rain
light rain
cloudy
some clouds
some clouds
cloudy
risk tstorm
rain shwrs
risk tstorm
rain shwrs
cloudy
some clouds
cloudy
light rain
some clouds
km/h
20
W
20
WNW
10
SW
15
W
20
WNW
5
S
15
SSE
10
SW
10
SW
10
SW
20
WSW
10
WSW
15
WSW
15
W
5
SW
5
ESE
15
SE
10
SSE
10
SSE
20
SSE
10
SSE
10
SSW
10
SSW
15
SSW
20
SSW
25
SW
25
SW
25
WSW
20
WSW
5
SW
5
SE
10
ESE
5
SSE
10
S
15
S
5
SSE
10
S
15
S
5
SSW
10
SSW
15
SW
5
SSE
15
S
15
SSW
5
E
5
NNW
15
NNW
3
2
3
2
2
3
1
1
1
7
3
1
2
4
2
6
4
1
2
1
5
1
1
max °C
12
13
9
12
13
10
10
14
12
14
15
12
17
17
15
23
24
20
24
25
20
17
16
13
16
13
12
15
14
11
13
12
16
20
24
20
24
26
20
20
19
14
13
15
13
15
15
Moonrise
2:01
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
Moonset
2:43
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
Sunrise
4:52
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
Sunset
10:05
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
Today's sea temperature in Londonderry County Borough is
15.9° C
(Statistics for 09 Jun 1981-2005 – mean: 11.8 max: 13.2 min: 11.1°C)
Issued (local time): 6 am Tuesday 09 Jun 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest