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 — and sunset is at —.

Days 1–4 Weather Summary

Heavy rain (total 34mm), heaviest during Fri afternoon. Cool air temperatures (max 11°C on Sat night, min 3°C on Thu night). Winds decreasing (strong winds from the SE on Fri afternoon, calm by Sat morning).

Days 5–7 Weather Summary

Light rain (total 7mm), mostly falling on Mon night. Cool air temperatures (max 12°C on Mon night, min 5°C on Sun night). Wind will be generally light.

Days 8–10 Weather Summary

Light rain (total 5mm), mostly falling on Thu night. Very mild (max 11°C on Thu morning, min 7°C on Wed night). Mainly fresh winds.

Days 11–13 Weather Summary

Moderate rain (total 11mm), heaviest on Tue morning. Very mild (max 10°C on Sat night, min 5°C on Mon morning). Wind will be generally light.

Friday
5
Saturday
6
Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tue
16
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
8:08PM3.04m
8:31AM3.00m
8:45PM2.85m
9:05AM2.91m
9:19PM2.61m
9:36AM2.78m
9:48PM2.34m
10:04AM2.62m
10:09PM2.08m
10:28AM2.46m
10:14PM1.89m
10:47AM2.32m
9:45PM1.79m
11:04AM2.20m
9:36PM1.75m
11:58AM2.08m
2:43PM2.05m
3:52AM1.68m
4:08PM2.15m
4:51AM1.92m
5:00PM2.31m
5:32AM2.18m
5:42PM2.47m
Low Tide
2:32AM0.40m
2:54PM0.54m
3:06AM0.57m
3:32PM0.69m
3:35AM0.79m
4:09PM0.90m
3:57AM1.01m
4:43PM1.13m
4:01AM1.18m
5:14PM1.34m
3:30AM1.26m
5:44PM1.53m
3:28AM1.28m
6:36PM1.66m
4:30AM1.47m
00:17AM1.55m
9:17AM1.58m
11:08PM1.40m
10:40AM1.41m
11:33PM1.20m
11:32AM1.21m
Wave
height (m) 
direction
period (s) 
light rain
light rain
heavy rain
mod rain
cloud
part cloud
cloud
light rain
mod rain
rain showers
part cloud
part cloud
light rain
light rain
cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
rain showers
cloud
cloud
part cloud
cloud
part cloud
rain showers
light rain
part cloud
part cloud
clear
cloud
cloud
mod rain
part cloud
light rain
light rain
heavy rain
mod rain
cloudy
some clouds
cloudy
light rain
mod rain
rain shwrs
some clouds
some clouds
light rain
light rain
cloudy
cloudy
some clouds
some clouds
some clouds
cloudy
cloudy
rain shwrs
cloudy
cloudy
some clouds
cloudy
some clouds
rain shwrs
light rain
some clouds
some clouds
clear
cloudy
cloudy
mod rain
some clouds
 km/h
10
SSE
25
SE
40
SE
10
SSW
5
SSE
10
SSW
10
SW
20
SE
15
WSW
10
SSW
15
SSW
15
S
15
ESE
10
SSW
5
SW
5
SW
10
SW
20
SW
20
S
25
S
25
SSE
30
SE
15
SSE
25
SSE
20
S
20
S
25
S
15
S
20
SW
20
SW
15
SW
10
SSW
10
SW
5
S
25
S
15
SSW
 mm 
1
1
12
7
4
9
2
4
1
5
1
3
7
max°C
7
7
10
10
9
10
11
11
10
9
9
10
12
12
11
9
9
9
9
11
11
11
10
11
11
11
11
10
9
9
8
8
8
7
10
8
Moonrise
3:43
4:57
6:29
8:04
9:35
11:00
12:20
1:37
2:53
4:10
5:28
Moonset
10:01
11:08
11:48
12:12
12:27
12:37
12:44
12:51
12:57
1:04
1:12
1:24
Sunrise
8:36
8:37
8:37
8:40
8:41
8:41
8:42
8:44
8:45
8:47
8:47
8:48
Sunset
4:02
4:01
4:01
4:00
4:00
4:00
4:00
4:00
4:00
4:00
4:00
4:00
Today's sea temperature in Londonderry County Borough is
9.9° C
(Statistics for 04 Dec 1981-2005 – mean: 10.5 max: 11.4 min: 9.6°C)
Issued (local time): 11 pm Thursday 04 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest