Belfast Sea Conditions and Tide Table

Belfast 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 06:16 AM and sunset is at 06:44 PM.

Days 1–3 Weather Summary

Heavy rain (total 25mm), heaviest during Tue morning. Cool air temperatures (max 10°C on Thu night, min 2°C on Wed night). Winds increasing (light winds from the WSW on Tue morning, fresh winds from the WNW by Tue night).

Days 4–6 Weather Summary

Light rain (total 7mm), mostly falling on Sun afternoon. Cool air temperatures (max 11°C on Sun night, min 4°C on Fri night). Mainly strong winds.

Days 7–9 Weather Summary

Mostly dry. Very mild (max 13°C on Mon afternoon, min 6°C on Tue night). Wind will be generally light.

Days 10–12 Weather Summary

Light rain (total 2mm), mostly falling on Sat morning. Very mild (max 13°C on Fri afternoon, min 7°C on Thu night). Wind will be generally light.

Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
31
Wednesday
1
Thursday
2
Friday
3
Saturday
4
Sunday
5
Monday
6
Tuesday
7
Wed
8
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
High Tide
2:55PM3.18m
3:18AM3.07m
4:00PM2.97m
4:23AM2.96m
5:16PM2.83m
5:38AM2.94m
6:38PM2.80m
6:53AM3.01m
7:50PM2.88m
8:00AM3.15m
8:49PM3.01m
8:55AM3.32m
9:36PM3.14m
9:43AM3.45m
10:18PM3.25m
10:26AM3.53m
10:56PM3.31m
11:06AM3.55m
11:31PM3.34m
11:44AM3.50m
00:07AM3.33m
12:21PM3.40m
00:42AM3.27m
12:58PM3.25m
1:17AM3.17m
1:37PM3.06m
1:55AM3.05m
2:19PM2.87m
Low Tide
8:31AM0.63m
9:01PM0.83m
9:33AM0.77m
10:06PM1.04m
10:49AM0.87m
11:21PM1.16m
12:10PM0.86m
00:38AM1.15m
1:23PM0.74m
1:44AM1.04m
2:23PM0.59m
2:38AM0.88m
3:13PM0.45m
3:25AM0.73m
3:57PM0.36m
4:08AM0.59m
4:37PM0.31m
4:47AM0.51m
5:14PM0.33m
5:25AM0.48m
5:49PM0.39m
6:02AM0.51m
6:24PM0.51m
6:40AM0.59m
6:59PM0.65m
7:18AM0.71m
7:35PM0.83m
7:59AM0.86m
8:14PM1.01m
Wave
height (m) 
direction
period (s) 
mod rain
light rain
rain showers
rain showers
rain showers
part cloud
cloud
light rain
light rain
part cloud
light rain
part cloud
rain showers
rain showers
part cloud
light rain
light rain
cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
cloud
light rain
rain showers
part cloud
part cloud
part cloud
cloud
part cloud
clear
part cloud
clear
clear
clear
part cloud
part cloud
mod rain
light rain
rain shwrs
rain shwrs
rain shwrs
some clouds
cloudy
light rain
light rain
some clouds
light rain
some clouds
rain shwrs
rain shwrs
some clouds
light rain
light rain
cloudy
cloudy
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
clear
some clouds
cloudy
some clouds
cloudy
light rain
rain shwrs
some clouds
some clouds
some clouds
cloudy
some clouds
clear
some clouds
clear
clear
clear
some clouds
some clouds
 km/h
10
WSW
25
WSW
25
WNW
35
WNW
35
WNW
10
W
20
W
20
SW
25
WSW
15
W
25
W
20
SW
25
W
45
WNW
15
W
30
SW
30
WSW
35
WNW
25
WNW
25
W
25
W
15
W
10
WNW
5
NW
5
NE
10
ESE
5
SSE
10
SSE
20
SSE
15
SSE
15
S
20
SSW
20
SW
10
W
15
SW
15
WNW
10
SSW
15
WSW
5
SW
5
SE
15
SE
5
SE
20
SE
20
SSE
10
SSE
15
SSE
25
SSE
 mm 
7
4
10
1
1
1
1
1
1
2
1
2
1
1
max°C
9
9
5
6
6
4
6
8
10
9
8
4
6
6
4
7
10
11
10
13
8
9
12
7
10
10
9
11
11
9
12
13
12
11
12
11
15
15
14
15
16
12
15
15
12
15
15
Moonrise
7:56
8:52
10:08
11:37
1:09
3:37
5:01
6:23
7:42
9:02
10:21
11:42
1:00
2:13
3:13
Moonset
1:53
3:09
4:01
4:34
4:54
6:08
6:18
6:25
6:33
6:40
6:48
6:58
7:13
7:33
8:04
8:50
Sunrise
6:16
6:13
6:11
6:07
6:05
7:03
6:01
5:58
5:56
5:52
5:50
5:48
5:46
5:43
5:41
5:37
Sunset
6:44
6:45
6:47
6:50
6:52
7:53
6:55
6:58
7:00
7:01
7:02
7:05
7:07
7:08
7:10
7:13
Today's sea temperature in Belfast is
8.2° C
(Statistics for 24 Mar 1981-2005 – mean: 7.6 max: 8.7 min: 6.2°C)
Issued (local time): 5 am Tuesday 24 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest