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 07:15 AM and sunset is at 05:57 PM.

Days 1–3 Weather Summary

Moderate rain (total 10mm), heaviest on Thu night. Cool air temperatures (max 11°C on Wed afternoon, min 2°C on Thu night). Winds decreasing (fresh winds from the WSW on Wed night, light winds from the ESE by Thu night).

Days 4–6 Weather Summary

Light rain (total 2mm), mostly falling on Sat afternoon. Icy conditions (max 7°C on Sun afternoon, min 0°C on Sat night). Mainly fresh winds.

Days 7–9 Weather Summary

Light rain (total 7mm), mostly falling on Wed afternoon. Very mild (max 10°C on Wed afternoon, min 4°C on Tue morning). Winds increasing (calm on Tue morning, fresh winds from the SE by Thu morning).

Days 10–12 Weather Summary

Moderate rain (total 13mm), heaviest on Sun afternoon. Mild temperatures (max 8°C on Fri afternoon, min 5°C on Fri night). Winds decreasing (strong winds from the E on Sat night, light winds from the NW by Mon morning).

Wednesday
28
Thursday
29
Friday
1
Saturday
2
Sunday
3
Monday
4
Tuesday
5
Wednesday
6
Thursday
7
Friday
8
Saturday
9
Sunday
10
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
1:22PM3.30m
1:47AM3.02m
1:55PM3.19m
2:20AM2.93m
2:31PM3.05m
2:57AM2.83m
3:12PM2.91m
3:41AM2.75m
4:05PM2.79m
4:37AM2.71m
5:13PM2.70m
5:46AM2.73m
6:32PM2.71m
7:00AM2.86m
7:49PM2.84m
8:07AM3.08m
8:53PM3.03m
9:05AM3.34m
9:47PM3.24m
9:57AM3.60m
10:36PM3.43m
10:46AM3.80m
11:21PM3.55m
Low Tide
7:03AM0.81m
7:30PM0.69m
7:36AM0.89m
8:04PM0.81m
8:13AM0.99m
8:41PM0.94m
8:54AM1.09m
9:25PM1.08m
9:47AM1.17m
10:21PM1.20m
10:54AM1.21m
11:31PM1.26m
12:13PM1.15m
00:45AM1.21m
1:28PM0.96m
1:52AM1.06m
2:30PM0.70m
2:49AM0.85m
3:25PM0.42m
3:40AM0.63m
4:14PM0.19m
4:28AM0.43m
5:01PM0.03m
5:13AM0.29m
Wave
height (m) 
direction
period (s) 
light rain
light rain
rain showers
part cloud
part cloud
rain showers
light rain
part cloud
cloud
part cloud
rain showers
clear
clear
part cloud
cloud
rain showers
part cloud
part cloud
clear
clear
part cloud
light rain
light rain
part cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
part cloud
light rain
light rain
light rain
light rain
light rain
light rain
rain shwrs
some clouds
some clouds
rain shwrs
light rain
some clouds
cloudy
some clouds
rain shwrs
clear
clear
some clouds
cloudy
rain shwrs
some clouds
some clouds
clear
clear
some clouds
light rain
light rain
some clouds
cloudy
cloudy
cloudy
cloudy
some clouds
some clouds
cloudy
some clouds
light rain
light rain
light rain
light rain
 km/h
20
S
20
SW
25
WSW
25
SW
25
SW
10
ESE
30
NNE
25
N
15
WNW
30
N
25
NNW
15
W
10
WSW
10
S
20
SSE
15
WSW
5
W
5
W
5
SW
20
SSE
30
SE
35
SSE
35
SSE
35
SE
35
SE
35
SE
25
SE
30
ESE
30
ESE
30
ESE
30
ESE
30
E
40
E
30
E
30
ENE
30
ENE
 mm 
1.0
1.0
1.0
6
1.0
1.0
1.0
4
3
2.0
1.0
5
4
max°C
8
11
11
6
6
4
5
5
4
6
6
3
6
7
5
7
7
4
8
8
8
9
10
10
9
9
8
7
8
7
7
8
6
6
6
6
Moonrise
10:40
11:58
1:20
2:43
4:03
5:10
5:58
6:28
6:48
7:01
7:11
Moonset
8:19
8:27
8:36
8:51
9:12
9:47
10:44
12:03
1:39
3:20
5:00
6:39
Sunrise
7:15
7:13
7:09
7:07
7:05
7:03
7:01
6:58
6:56
6:52
6:50
6:48
Sunset
5:57
5:59
6:00
6:02
6:05
6:07
6:08
6:10
6:13
6:15
6:16
6:19
Today's sea temperature in Belfast is 8.2 °C (Statistics for 28 Feb 1981-2005 – mean: 7.2 max: 8.4 min: 5.4°C)
Nearest