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 06:47 AM and sunset is at 08:06 PM.

Days 1–3 Weather Summary

Some drizzle, heaviest during Sun morning. Cool air temperatures (max 12°C on Tue afternoon, min 4°C on Sun night). Winds decreasing (fresh winds from the W on Sun morning, light winds from the SSE by Sun night).

Days 4–6 Weather Summary

Moderate rain (total 12mm), heaviest on Fri night. Cool air temperatures (max 16°C on Wed afternoon, min 5°C on Fri night). Wind will be generally light.

Days 7–9 Weather Summary

Light rain (total 2mm), mostly falling on Sun afternoon. Very mild (max 11°C on Sun afternoon, min 2°C on Sat night). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Very mild (max 11°C on Thu afternoon, min 5°C on Tue night). Wind will be generally light.

Sunday
5
Monday
6
Tuesday
7
Wednesday
8
Thursday
9
Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
Mon
20
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
1:58PM3.25m
2:17AM3.17m
2:37PM3.06m
2:55AM3.05m
3:19PM2.87m
3:36AM2.91m
4:06PM2.69m
4:24AM2.78m
5:03PM2.55m
5:19AM2.70m
6:10PM2.49m
6:23AM2.68m
7:21PM2.52m
7:28AM2.75m
8:23PM2.64m
8:26AM2.89m
9:15PM2.81m
9:17AM3.08m
10:00PM3.00m
10:03AM3.28m
10:41PM3.18m
10:48AM3.45m
11:22PM3.33m
11:33AM3.57m
00:03AM3.44m
12:19PM3.62m
00:45AM3.49m
1:05PM3.59m
Low Tide
7:40AM0.59m
7:59PM0.65m
8:18AM0.71m
8:35PM0.83m
8:59AM0.86m
9:14PM1.01m
9:45AM1.02m
9:59PM1.19m
10:41AM1.14m
10:55PM1.33m
11:47AM1.19m
00:04AM1.40m
12:58PM1.15m
1:15AM1.37m
2:01PM1.01m
2:15AM1.24m
2:53PM0.82m
3:06AM1.06m
3:38PM0.61m
3:52AM0.85m
4:21PM0.42m
4:35AM0.64m
5:03PM0.27m
5:18AM0.45m
5:46PM0.19m
6:02AM0.33m
6:28PM0.19m
6:47AM0.27m
7:12PM0.27m
Wave
height (m) 
direction
period (s) 
rain showers
part cloud
part cloud
cloud
clear
part cloud
part cloud
cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
light rain
mod rain
part cloud
part cloud
clear
part cloud
rain showers
rain showers
clear
clear
clear
clear
clear
part cloud
cloud
cloud
part cloud
part cloud
clear
part cloud
cloud
part cloud
cloud
cloud
light rain
light rain
rain showers
light rain
rain showers
part cloud
thunderstorm
rain shwrs
some clouds
some clouds
cloudy
clear
some clouds
some clouds
cloudy
some clouds
some clouds
cloudy
cloudy
some clouds
some clouds
cloudy
cloudy
light rain
mod rain
some clouds
some clouds
clear
some clouds
rain shwrs
rain shwrs
clear
clear
clear
clear
clear
some clouds
cloudy
cloudy
some clouds
some clouds
clear
some clouds
cloudy
some clouds
cloudy
cloudy
light rain
light rain
rain shwrs
light rain
rain shwrs
some clouds
risk tstorm
 km/h
30
WSW
25
W
5
S
25
SSE
25
SSE
20
SE
25
ESE
20
SE
5
SSE
10
S
10
SW
10
WSW
20
WNW
10
W
10
SE
20
SW
10
W
5
WSW
15
WNW
20
W
15
WSW
20
WSW
15
SW
0
ESE
0
E
15
SE
10
ESE
15
ESE
20
E
20
ENE
20
ENE
15
ENE
10
E
10
ESE
15
ESE
10
E
15
E
15
E
20
ESE
20
SE
20
SE
20
S
15
WSW
10
W
5
W
15
WSW
20
WSW
 mm 
1
2
10
1
1
1
4
1
2
3
3
max°C
7
8
6
9
10
8
10
12
11
15
16
13
10
12
8
11
9
6
9
9
5
10
11
8
10
11
8
9
10
8
7
8
8
10
11
10
9
11
11
8
10
10
11
11
7
10
9
Moonrise
1:00
2:13
3:13
3:59
4:30
4:50
5:05
5:16
5:25
5:33
5:41
5:51
6:04
6:24
6:54
Moonset
7:13
7:33
8:04
8:50
9:51
11:05
12:25
1:48
3:12
4:37
6:04
7:35
9:11
10:50
12:28
Sunrise
6:47
6:43
6:41
6:39
6:37
6:35
6:31
6:30
6:26
6:24
6:22
6:20
6:18
6:15
6:13
6:11
Sunset
8:06
8:07
8:09
8:12
8:14
8:15
8:17
8:20
8:22
8:23
8:24
8:27
8:29
8:30
8:32
8:35
Today's sea temperature in Belfast is
8.4° C
(Statistics for 05 Apr 1981-2005 – mean: 7.9 max: 8.9 min: 6.5°C)
Issued (local time): 12 pm Sunday 05 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest