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 08:52 AM and sunset is at 04:04 PM.

Days 1–3 Weather Summary

Mostly dry. Low air temperatures (max 5°C on Fri afternoon, min 2°C on Thu morning). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Low air temperatures (max 9°C on Tue afternoon, min 1°C on Sun afternoon). Wind will be generally light.

Days 7–9 Weather Summary

A dusting of new snow. Freeze-thaw conditions (max 7°C on Wed night, min -1°C on Fri afternoon). Wind will be generally light.

Days 10–12 Weather Summary

Moderate rain (total 18mm), heaviest on Sun night. Very mild (max 10°C on Mon morning, min 4°C on Sat morning). Wind will be generally light.

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
11:41AM2.78m
00:12AM2.35m
12:50PM2.70m
1:31AM2.29m
2:06PM2.68m
2:53AM2.33m
3:21PM2.73m
4:06AM2.45m
4:26PM2.82m
5:07AM2.61m
5:23PM2.89m
5:59AM2.75m
6:13PM2.91m
6:41AM2.83m
6:57PM2.83m
7:24AM2.87m
7:40PM2.72m
8:03AM2.86m
8:19PM2.55m
8:39AM2.79m
8:55PM2.36m
9:14AM2.70m
9:27PM2.17m
Low Tide
6:20PM0.91m
6:27AM0.95m
7:31PM0.95m
7:42AM1.01m
8:48PM0.91m
9:00AM1.00m
9:59PM0.79m
10:12AM0.91m
11:00PM0.66m
11:15AM0.80m
11:53PM0.57m
12:11PM0.71m
00:34AM0.57m
1:00PM0.69m
1:21AM0.61m
1:49PM0.70m
2:01AM0.70m
2:34PM0.77m
2:37AM0.83m
3:17PM0.89m
3:09AM0.97m
3:56PM1.04m
3:35AM1.10m
Wave
height (m) 
direction
period (s) 
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
part cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
cloud
light snow
light snow
part cloud
light rain
part cloud
cloud
cloud
mod rain
mod rain
cloud
part cloud
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
cloudy
cloudy
cloudy
some clouds
cloudy
cloudy
some clouds
some clouds
cloudy
cloudy
some clouds
some clouds
cloudy
light snow
light snow
some clouds
light rain
some clouds
cloudy
cloudy
mod rain
mod rain
cloudy
some clouds
 km/h
5
ENE
10
E
5
ENE
10
NE
10
NE
5
ENE
5
NE
5
ENE
5
E
5
ENE
0
NE
5
W
5
WSW
5
NW
5
NNW
5
W
5
NNW
10
NNW
5
WNW
10
NW
20
WNW
25
N
20
NNE
5
SW
5
S
15
S
5
S
0
NNE
10
WNW
15
NW
5
SW
5
WSW
10
SSW
10
SW
10
W
10
SW
 mm 
1
9
8
max°C
2
3
4
4
5
5
4
4
3
2
2
2
4
6
6
8
9
7
5
6
7
5
3
2
1
0
1
5
7
7
7
8
7
10
10
9
Moonrise
11:41
11:48
11:55
12:03
12:13
12:27
12:49
1:26
2:26
3:51
5:27
7:03
Moonset
10:18
11:42
1:07
2:37
4:12
5:51
7:27
8:47
9:40
10:11
10:30
Sunrise
8:52
8:53
8:53
8:53
8:53
8:53
8:53
8:53
8:52
8:52
8:52
8:52
Sunset
4:04
4:05
4:06
4:07
4:07
4:08
4:09
4:10
4:13
4:14
4:15
4:15
Today's sea temperature in Londonderry County Borough is
7.7° C
(Statistics for 25 Dec 1981-2005 – mean: 9.8 max: 10.5 min: 8.9°C)
Issued (local time): 5 am Thursday 25 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest