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 — and sunset is at 09:38 PM.

Days 1–4 Weather Summary

Light rain (total 4mm), mostly falling on Wed night. Cool air temperatures (max 19°C on Tue afternoon, min 10°C on Tue night). Wind will be generally light.

Days 5–7 Weather Summary

Light rain (total 4mm), mostly falling on Sat afternoon. Warm air temperatures (max 20°C on Fri afternoon, min 12°C on Fri night). Wind will be generally light.

Days 8–10 Weather Summary

Moderate rain (total 11mm), heaviest on Mon night. Very mild (max 17°C on Mon afternoon, min 9°C on Wed night). Winds increasing (light winds from the S on Tue afternoon, fresh winds from the WSW by Wed afternoon).

Days 11–13 Weather Summary

Heavy rain (total 20mm), heaviest during Fri afternoon. Very mild (max 16°C on Fri morning, min 9°C on Fri night). Winds increasing (moderate winds from the SSW on Thu night, strong winds from the WSW by Fri night).

Days 14–17 Weather Summary

Mostly dry. Warm (max 21°C on Wed afternoon, min 9°C on Sun night). Wind will be generally light.

Tue
26
Wednesday
27
Thursday
28
Friday
29
Saturday
30
Sunday
31
Monday
1
Tuesday
2
Wednesday
3
Thursday
4
Friday
5
Saturday
6
Sunday
7
Monday
8
Tuesday
9
Wednesday
10
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
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High Tide
8:47PM2.91m
8:54AM3.13m
9:35PM3.00m
9:44AM3.14m
10:17PM3.09m
10:30AM3.14m
10:58PM3.16m
11:13AM3.13m
11:36PM3.22m
11:54AM3.09m
00:14AM3.24m
12:35PM3.04m
00:51AM3.23m
1:15PM2.96m
1:29AM3.19m
1:56PM2.88m
2:07AM3.14m
2:38PM2.79m
2:45AM3.07m
3:22PM2.70m
3:25AM3.01m
4:09PM2.64m
4:10AM2.97m
4:59PM2.62m
4:59AM2.95m
5:53PM2.63m
5:54AM2.97m
6:49PM2.70m
Low Tide
2:27PM0.65m
2:42AM0.96m
3:14PM0.64m
3:31AM0.87m
3:57PM0.62m
4:16AM0.78m
4:36PM0.62m
4:58AM0.71m
5:14PM0.63m
5:38AM0.67m
5:51PM0.66m
6:18AM0.66m
6:28PM0.72m
6:58AM0.68m
7:04PM0.80m
7:37AM0.72m
7:41PM0.90m
8:18AM0.78m
8:20PM1.01m
9:00AM0.83m
9:02PM1.11m
9:46AM0.88m
9:47PM1.20m
10:36AM0.90m
10:40PM1.25m
11:32AM0.89m
11:39PM1.24m
12:30PM0.85m
00:42AM1.17m
Wave
Height (m)
Direction
Period (s)
part cloud
part cloud
part cloud
clear
rain showers
clear
part cloud
part cloud
part cloud
clear
part cloud
cloud
light rain
cloud
rain showers
rain showers
part cloud
part cloud
thunderstorm
light rain
part cloud
part cloud
rain showers
clear
clear
part cloud
cloud
rain showers
part cloud
part cloud
heavy rain
rain showers
rain showers
rain showers
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
clear
some clouds
some clouds
some clouds
clear
rain shwrs
clear
some clouds
some clouds
some clouds
clear
some clouds
cloudy
light rain
cloudy
rain shwrs
rain shwrs
some clouds
some clouds
risk tstorm
light rain
some clouds
some clouds
rain shwrs
clear
clear
some clouds
cloudy
rain shwrs
some clouds
some clouds
heavy rain
rain shwrs
rain shwrs
rain shwrs
some clouds
cloudy
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
cloudy
some clouds
some clouds
some clouds
clear
km/h
10
NNE
10
N
20
E
25
ESE
20
ESE
25
SE
20
SSE
20
WSW
20
WSW
20
WSW
5
SE
5
S
20
S
15
SW
15
SW
20
WSW
10
SSW
10
SSW
20
S
20
WSW
25
W
10
WSW
20
S
35
WSW
35
WSW
35
WSW
30
SW
20
SW
25
SSW
30
S
35
SSE
40
SW
30
SW
25
WSW
25
W
30
W
20
W
15
WSW
25
WSW
25
WSW
20
W
25
WNW
20
W
20
WSW
25
W
25
W
15
WSW
4
1
1
2
3
5
3
2
11
4
1
2
max °C
19
16
13
16
15
15
18
15
17
20
14
15
15
13
17
18
15
17
17
13
16
17
14
14
14
10
11
14
12
16
13
10
12
13
11
14
14
11
15
16
15
15
16
14
20
21
17
Moonrise
4:36
5:53
7:12
8:30
9:46
10:55
11:50
12:30
12:57
1:15
1:29
1:39
1:47
1:55
2:03
Moonset
3:06
3:16
3:27
3:44
4:08
4:44
5:35
6:40
7:55
9:14
10:34
11:54
1:14
2:36
4:03
Sunrise
5:01
4:58
4:58
4:56
4:56
4:54
4:54
4:52
4:52
4:50
4:50
4:50
4:48
4:48
4:48
Sunset
9:38
9:40
9:42
9:44
9:45
9:45
9:47
9:49
9:50
9:51
9:52
9:53
9:54
9:55
9:55
9:57
Today's sea temperature in Belfast is
12.3° C
(Statistics for 26 May 1981-2005 – mean: 10.9 max: 12.2 min: 9.1°C)
Issued (local time): 6 pm Tuesday 26 May 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest