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 04:47 AM and sunset is at 10:04 PM.

Days 1–3 Weather Summary

Light rain (total 7mm), mostly falling on Thu night. Warm air temperatures (max 24°C on Tue morning, min 14°C on Tue night). Wind will be generally light.

Days 4–6 Weather Summary

Light rain (total 9mm), mostly falling on Sat night. Warm air temperatures (max 21°C on Fri morning, min 11°C on Sun night). Winds increasing (light winds from the N on Fri morning, fresh winds from the SW by Sun afternoon).

Days 7–9 Weather Summary

Moderate rain (total 14mm), heaviest on Tue night. Very mild (max 18°C on Tue afternoon, min 11°C on Wed night). Wind will be generally light.

Days 10–12 Weather Summary

Moderate rain (total 10mm), heaviest on Thu night. Very mild (max 18°C on Thu afternoon, min 9°C on Fri night). Wind will be generally light.

Days 13–16 Weather Summary

Heavy rain (total 26mm), heaviest during Sun afternoon. Very mild (max 17°C on Mon morning, min 8°C on Tue night). Wind will be generally light.

Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
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
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
High Tide
7:09PM2.82m
7:19AM3.03m
8:05PM2.84m
8:18AM2.97m
8:58PM2.90m
9:13AM2.95m
9:47PM2.99m
10:05AM2.95m
10:32PM3.08m
10:52AM2.97m
11:14PM3.17m
11:36AM2.98m
11:54PM3.23m
12:18PM2.99m
00:33AM3.27m
12:59PM2.98m
1:09AM3.28m
1:38PM2.95m
1:45AM3.27m
2:16PM2.91m
2:20AM3.25m
2:55PM2.86m
2:57AM3.21m
3:35PM2.81m
3:38AM3.18m
4:19PM2.78m
4:23AM3.13m
5:08PM2.76m
Low Tide
12:52PM0.78m
1:07AM1.10m
1:47PM0.84m
2:06AM1.07m
2:38PM0.85m
3:01AM1.01m
3:25PM0.85m
3:51AM0.93m
4:09PM0.83m
4:37AM0.85m
4:50PM0.80m
5:20AM0.77m
5:29PM0.79m
6:01AM0.72m
6:07PM0.79m
6:40AM0.68m
6:45PM0.82m
7:18AM0.66m
7:21PM0.86m
7:56AM0.67m
7:58PM0.92m
8:35AM0.69m
8:36PM0.98m
9:16AM0.72m
9:17PM1.04m
10:01AM0.77m
10:03PM1.09m
10:51AM0.82m
10:58PM1.12m
Wave
Height (m)
Direction
Period (s)
part cloud
part cloud
part cloud
cloud
part cloud
cloud
rain showers
part cloud
rain showers
rain showers
clear
part cloud
part cloud
light rain
rain showers
part cloud
rain showers
part cloud
cloud
light rain
cloud
part cloud
part cloud
light rain
mod rain
cloud
part cloud
part cloud
part cloud
light rain
rain showers
rain showers
part cloud
rain showers
rain showers
part cloud
part cloud
light rain
rain showers
part cloud
mod rain
rain showers
part cloud
clear
part cloud
part cloud
cloud
some clouds
some clouds
some clouds
cloudy
some clouds
cloudy
rain shwrs
some clouds
rain shwrs
rain shwrs
clear
some clouds
some clouds
light rain
rain shwrs
some clouds
rain shwrs
some clouds
cloudy
light rain
cloudy
some clouds
some clouds
light rain
mod rain
cloudy
some clouds
some clouds
some clouds
light rain
rain shwrs
rain shwrs
some clouds
rain shwrs
rain shwrs
some clouds
some clouds
light rain
rain shwrs
some clouds
mod rain
rain shwrs
some clouds
clear
some clouds
some clouds
cloudy
km/h
5
WSW
5
W
0
NNW
0
W
0
ENE
5
NNE
10
ENE
10
SE
10
NNE
10
N
15
ESE
15
S
20
SSE
20
SSW
15
SSW
30
SW
30
SW
20
WSW
15
SW
10
SW
15
S
25
WNW
15
WNW
5
SSE
10
SSE
10
NW
10
WNW
5
NW
5
SW
5
ENE
10
NW
10
NW
5
W
15
W
5
WNW
5
WNW
10
W
15
SSW
25
WSW
20
WSW
10
SSW
20
NW
25
NW
20
WNW
15
WSW
20
W
15
SW
 mm
1
6
2
2
4
1
3
5
6
3
2
2
1
2
5
2
6
6
max °C
24
24
16
18
19
17
20
23
20
21
21
17
16
17
16
15
16
14
16
13
14
16
18
16
15
15
13
17
18
15
14
16
12
15
16
12
16
16
14
17
14
12
15
15
11
16
14
Moonrise
3:42
5:00
6:19
7:35
8:47
9:46
10:31
11:01
11:22
11:36
11:47
11:56
12:03
12:11
12:20
Moonset
1:15
1:24
1:35
1:50
2:11
2:43
3:30
4:31
5:44
7:03
8:22
9:42
11:01
12:21
1:43
3:10
Sunrise
4:47
4:47
4:48
4:48
4:48
4:48
4:50
4:50
4:50
4:52
4:52
4:54
4:54
4:54
4:56
4:58
Sunset
10:04
10:04
10:04
10:04
10:02
10:02
10:02
10:02
10:01
10:01
10:00
10:00
10:00
10:00
9:59
9:58
Today's sea temperature in Belfast is
14.1° C
(Statistics for 23 Jun 1981-2005 – mean: 12.9 max: 14.0 min: 11.6°C)
Issued (local time): 6 am Tuesday 23 Jun 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest