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 08:08 PM.

Days 1–4 Weather Summary

Heavy rain (total 28mm), heaviest during Sat afternoon. Low air temperatures (max 9°C on Sat afternoon, min 1°C on Sat night). Mainly fresh winds.

Days 5–7 Weather Summary

Light rain (total 6mm), mostly falling on Wed morning. Cool air temperatures (max 14°C on Tue morning, min 4°C on Wed night). Wind will be generally light.

Days 8–10 Weather Summary

Light rain (total 4mm), mostly falling on Fri morning. Very mild (max 10°C on Thu afternoon, min 2°C on Fri night). Winds decreasing (fresh winds from the S on Fri morning, calm by Sat night).

Days 11–13 Weather Summary

Mostly dry. Very mild (max 12°C on Sun afternoon, min 4°C on Sun night). Wind will be generally light.

Fri
3
Saturday
4
Sunday
5
Monday
6
Tuesday
7
Wednesday
8
Thursday
9
Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
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
night
Wave Height Map
High Tide
10:00PM2.40m
10:17AM2.59m
10:32PM2.49m
10:48AM2.58m
11:05PM2.54m
11:21AM2.52m
11:41PM2.54m
11:57AM2.43m
00:20AM2.49m
12:39PM2.31m
1:07AM2.41m
1:32PM2.16m
2:08AM2.32m
2:43PM2.04m
3:27AM2.25m
4:15PM2.00m
4:54AM2.30m
5:39PM2.10m
6:08AM2.45m
6:45PM2.29m
7:09AM2.66m
7:40PM2.49m
8:00AM2.85m
8:27PM2.67m
8:46AM2.99m
9:11PM2.78m
9:29AM3.04m
9:51PM2.83m
Low Tide
4:11PM0.66m
4:14AM0.61m
4:38PM0.60m
4:47AM0.57m
5:06PM0.57m
5:21AM0.57m
5:37PM0.58m
5:58AM0.62m
6:11PM0.63m
6:41AM0.70m
6:52PM0.72m
7:32AM0.81m
7:44PM0.84m
8:40AM0.91m
8:56PM0.94m
10:04AM0.94m
10:25PM0.96m
11:29AM0.85m
11:47PM0.85m
12:40PM0.66m
00:54AM0.66m
1:38PM0.46m
1:51AM0.45m
2:28PM0.27m
2:40AM0.28m
3:13PM0.15m
3:26AM0.19m
3:55PM0.11m
Wave
height (m) 
direction
period (s) 
rain showers
part cloud
light rain
rain showers
rain showers
rain showers
rain showers
part cloud
part cloud
cloud
part cloud
cloud
part cloud
light rain
light rain
part cloud
rain showers
rain showers
part cloud
part cloud
light rain
light rain
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
rain shwrs
some clouds
light rain
rain shwrs
rain shwrs
rain shwrs
rain shwrs
some clouds
some clouds
cloudy
some clouds
cloudy
some clouds
light rain
light rain
some clouds
rain shwrs
rain shwrs
some clouds
some clouds
light rain
light rain
some clouds
some clouds
some clouds
clear
clear
some clouds
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
clear
some clouds
some clouds
clear
 km/h
30
W
10
SSW
10
ESE
30
S
25
WNW
20
W
25
W
5
S
20
SSE
25
SSE
25
SSE
20
SE
25
SE
5
ESE
5
SE
15
SSW
10
SW
15
W
20
W
15
SSE
30
S
25
WSW
10
SSW
10
WSW
15
WNW
5
S
5
S
15
S
5
SE
20
SSE
20
SSE
15
SSE
20
SE
20
SE
5
ESE
15
SE
20
SE
10
ESE
15
ESE
10
ENE
5
NNE
10
NE
15
NNE
5
N
10
ENE
15
ENE
15
ENE
 mm 
1
5
13
2
6
1
1
2
2
1
3
1
max°C
7
4
5
9
4
6
6
4
9
10
9
14
13
12
11
12
10
10
10
7
9
8
4
10
10
7
10
12
8
11
12
8
10
11
6
8
9
6
9
10
7
11
11
7
9
10
8
Moonrise
10:29
11:50
1:09
2:22
3:23
4:08
4:39
4:59
5:13
5:23
5:31
5:39
5:46
5:56
6:08
Moonset
7:02
7:16
7:36
8:06
8:51
9:53
11:07
12:29
1:53
3:17
4:43
6:11
7:42
9:18
10:59
Sunrise
6:54
6:52
6:48
6:47
6:43
6:41
6:39
6:37
6:35
6:31
6:30
6:26
6:24
6:22
6:20
Sunset
8:08
8:10
8:12
8:14
8:15
8:17
8:20
8:22
8:23
8:25
8:28
8:30
8:31
8:34
8:36
8:37
Today's sea temperature in Londonderry County Borough is
8.5° C
(Statistics for 03 Apr 1981-2005 – mean: 8.8 max: 9.5 min: 7.9°C)
Issued (local time): 6 pm Friday 03 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest