Belfast, Belfast River Sea Conditions and Tide Table

Belfast, Belfast River 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 06:20 AM and sunset is at 08:34 PM.

Days 1–3 Weather Summary

Light rain (total 2mm), mostly falling on Tue night. Very warm air temperatures (max 33°C on Tue afternoon, min 24°C on Mon morning). Wind will be generally light.

Days 4–6 Weather Summary

Moderate rain (total 11mm), heaviest on Fri night. Very warm air temperatures (max 32°C on Wed afternoon, min 23°C on Fri morning). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Warm (max 35°C on Mon afternoon, min 22°C on Sat morning). Wind will be generally light.

Days 10–12 Weather Summary

Moderate rain (total 12mm), heaviest on Wed night. Warm (max 36°C on Wed afternoon, min 23°C on Wed night). Wind will be generally light.

Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
1
Wednesday
2
Thursday
3
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
7:01AM2.25m
7:35PM2.81m
8:03AM2.26m
8:34PM2.88m
9:03AM2.27m
9:30PM2.90m
10:00AM2.28m
10:24PM2.87m
10:55AM2.28m
11:16PM2.80m
11:50AM2.26m
00:07AM2.69m
12:45PM2.23m
00:58AM2.56m
1:40PM2.21m
1:47AM2.44m
2:32PM2.19m
2:36AM2.32m
3:22PM2.19m
3:23AM2.22m
4:10PM2.22m
4:10AM2.13m
4:57PM2.25m
4:58AM2.07m
Low Tide
1:11PM-0.22m
2:05AM-0.01m
2:08PM-0.26m
3:02AM-0.08m
3:04PM-0.28m
3:57AM-0.12m
3:59PM-0.27m
4:50AM-0.13m
4:52PM-0.22m
5:39AM-0.10m
5:44PM-0.13m
6:26AM-0.05m
6:34PM-0.01m
7:12AM0.02m
7:24PM0.12m
7:57AM0.11m
8:14PM0.26m
8:41AM0.18m
9:07PM0.37m
9:26AM0.24m
10:03PM0.45m
10:12AM0.27m
11:00PM0.47m
Wave
height (m) 
direction
period (s) 
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
light rain
part cloud
thunderstorm
part cloud
clear
rain showers
clear
clear
rain showers
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
clear
clear
part cloud
rain showers
thunderstorm
cloud
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
rain shwrs
light rain
some clouds
risk tstorm
some clouds
clear
rain shwrs
clear
clear
rain shwrs
some clouds
some clouds
clear
clear
clear
clear
clear
some clouds
clear
clear
some clouds
clear
clear
some clouds
rain shwrs
risk tstorm
cloudy
risk tstorm
 km/h
5
E
15
SE
5
S
5
E
15
SE
5
SSW
0
NE
15
SE
5
SSW
5
SSW
10
SE
5
SSW
5
SW
15
SE
5
SSW
5
WSW
15
SSE
10
WSW
5
WSW
15
SE
10
SW
10
W
10
SSE
10
WSW
10
W
10
S
10
SSW
15
W
5
SW
15
WSW
10
W
15
S
5
SW
5
W
15
SSE
10
W
 mm 
2
2
4
1
4
6
1
5
max°C
29
31
27
29
32
27
30
33
28
26
32
28
28
31
27
29
32
28
27
32
27
29
34
29
31
35
30
32
35
30
32
36
30
30
34
28
Moonrise
3:24
4:11
5:06
6:10
7:19
8:29
9:36
10:39
11:38
12:35
1:30
2:25
Moonset
5:56
7:10
8:19
9:20
10:11
10:52
11:27
11:56
12:23
12:48
1:13
Sunrise
6:20
6:20
6:20
6:20
6:20
6:20
6:20
6:22
6:22
6:22
6:22
6:22
Sunset
8:34
8:34
8:34
8:34
8:34
8:34
8:34
8:34
8:34
8:34
8:34
8:34
Today's sea temperature in Belfast, Belfast River is 28.7 °C (Statistics for 22 Jun 1981-2005 – mean: 27.2 max: 28.1 min: 26.1°C)
Issued (local time): 1 am Sunday 22 Jun 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest