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 07:18 AM and sunset is at 05:23 PM.

Days 1–3 Weather Summary

Light rain (total 8mm), mostly falling on Thu night. Warm air temperatures (max 21°C on Thu morning, min 7°C on Fri night). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Cool air temperatures (max 19°C on Sun afternoon, min 6°C on Mon morning). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Warm (max 22°C on Thu afternoon, min 14°C on Tue night). Wind will be generally light.

Days 10–12 Weather Summary

Some drizzle, heaviest during Mon night. Warm (max 22°C on Sat afternoon, min 10°C on Sat night). Wind will be generally light.

Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Mon
29
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
8:13AM2.48m
8:23PM2.12m
8:52AM2.51m
9:02PM2.12m
9:29AM2.50m
9:40PM2.12m
10:04AM2.48m
10:16PM2.10m
10:39AM2.45m
10:52PM2.09m
11:15AM2.41m
11:30PM2.10m
11:54AM2.37m
00:15AM2.12m
12:38PM2.33m
1:04AM2.16m
1:29PM2.29m
1:59AM2.23m
2:24PM2.24m
2:56AM2.32m
3:22PM2.19m
3:56AM2.41m
4:24PM2.16m
Low Tide
2:24PM0.17m
2:15AM0.10m
3:04PM0.14m
2:55AM0.07m
3:43PM0.12m
3:35AM0.05m
4:21PM0.11m
4:14AM0.04m
4:58PM0.11m
4:54AM0.05m
5:36PM0.10m
5:35AM0.07m
6:15PM0.09m
6:20AM0.10m
6:59PM0.08m
7:10AM0.15m
7:47PM0.05m
8:07AM0.19m
8:41PM0.02m
9:13AM0.21m
9:40PM-0.02m
10:22AM0.18m
Wave
height (m) 
direction
period (s) 
cloud
light rain
rain showers
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
cloud
cloud
cloud
cloud
part cloud
cloudy
light rain
rain shwrs
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
clear
some clouds
cloudy
cloudy
cloudy
cloudy
some clouds
 km/h
10
SE
5
SSW
15
SSW
20
WNW
15
WNW
5
NNW
5
ENE
10
ESE
5
W
5
WNW
5
W
15
NE
20
NE
20
ENE
10
NNE
10
NE
5
ESE
5
W
10
WNW
5
WNW
5
WSW
5
W
10
W
10
WSW
15
W
15
W
10
WSW
10
W
10
WNW
15
NE
20
NE
20
ENE
15
NE
10
ENE
15
SE
 mm 
3
5
max°C
21
19
20
15
15
10
15
16
14
18
19
16
8
8
11
16
17
16
19
20
18
21
22
19
21
22
18
20
22
16
10
10
13
18
18
Moonrise
6:15
7:11
8:03
8:50
9:31
10:07
10:40
11:09
11:37
12:05
12:35
1:09
Moonset
4:07
4:56
5:50
6:49
7:50
8:51
9:51
10:52
11:53
12:56
2:02
Sunrise
7:18
7:20
7:20
7:20
7:20
7:22
7:22
7:22
7:22
7:22
7:24
7:24
Sunset
5:23
5:23
5:24
5:24
5:25
5:25
5:27
5:27
5:28
5:28
5:29
5:30
Today's sea temperature in Belfast, Belfast River is
11.5° C
(Statistics for 18 Dec 1981-2005 – mean: 20.9 max: 23.5 min: 18.5°C)
Issued (local time): 12 am Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest