Shannon Sea Conditions and Tide Table

Shannon 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 07:58 AM and sunset is at 05:42 PM.

Days 1–3 Weather Summary

Moderate rain (total 13mm), heaviest on Sat afternoon. Cool air temperatures (max 10°C on Sat night, min 2°C on Thu night). Winds decreasing (fresh winds from the N on Thu night, calm by Fri night).

Days 4–6 Weather Summary

Heavy rain (total 32mm), heaviest during Tue night. Cool air temperatures (max 10°C on Sun afternoon, min 2°C on Tue night). Winds decreasing (fresh winds from the W on Mon morning, light winds from the S by Mon night).

Days 7–9 Weather Summary

Moderate rain (total 14mm), heaviest on Wed night. Mild temperatures (max 9°C on Thu morning, min 1°C on Wed morning). Mainly fresh winds.

Days 10–12 Weather Summary

Mostly dry. Very mild (max 11°C on Mon morning, min 6°C on Sun morning). Wind will be generally light.

Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Fri
27
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
1:45PM2.98m
2:17AM3.26m
2:58PM3.20m
3:15AM3.55m
3:47PM3.49m
3:58AM3.87m
4:25PM3.78m
4:34AM4.18m
5:00PM4.05m
5:08AM4.44m
5:33PM4.27m
5:41AM4.63m
6:06PM4.43m
6:14AM4.73m
6:39PM4.50m
6:48AM4.72m
7:14PM4.48m
7:25AM4.59m
7:51PM4.36m
8:05AM4.36m
8:32PM4.15m
8:51AM4.05m
9:21PM3.88m
9:48AM3.70m
10:23PM3.60m
11:03AM3.39m
11:45PM3.43m
12:39PM3.29m
Low Tide
7:56AM1.71m
8:18PM1.69m
8:58AM1.44m
9:10PM1.42m
9:41AM1.12m
9:49PM1.13m
10:16AM0.79m
10:24PM0.85m
10:48AM0.49m
10:56PM0.60m
11:19AM0.23m
11:27PM0.40m
11:50AM0.04m
11:59PM0.28m
12:22PM-0.05m
00:32AM0.23m
12:55PM-0.02m
1:07AM0.29m
1:29PM0.12m
1:45AM0.44m
2:07PM0.38m
2:26AM0.68m
2:50PM0.74m
3:17AM0.99m
3:45PM1.14m
4:27AM1.31m
5:09PM1.48m
6:19AM1.43m
7:06PM1.52m
Wave
height (m) 
direction
period (s) 
rain showers
light rain
rain showers
part cloud
clear
clear
cloud
light rain
rain showers
cloud
rain showers
rain showers
rain showers
rain showers
cloud
mod rain
mod rain
rain showers
clear
cloud
mod rain
cloud
thunderstorm
part cloud
rain showers
rain showers
rain showers
clear
clear
clear
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
mod rain
rain showers
part cloud
part cloud
rain showers
rain showers
cloud
rain shwrs
light rain
rain shwrs
some clouds
clear
clear
cloudy
light rain
rain shwrs
cloudy
rain shwrs
rain shwrs
rain shwrs
rain shwrs
cloudy
mod rain
mod rain
rain shwrs
clear
cloudy
mod rain
cloudy
risk tstorm
some clouds
rain shwrs
rain shwrs
rain shwrs
clear
clear
clear
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
light rain
light rain
mod rain
rain shwrs
some clouds
some clouds
rain shwrs
rain shwrs
cloudy
 km/h
15
SW
30
SW
20
N
30
N
25
N
5
NW
5
SSE
25
SSE
15
WSW
15
WSW
25
WSW
20
WSW
30
W
30
W
15
SW
15
SE
20
E
30
NE
10
ENE
20
SE
25
SSE
15
SSW
25
SW
30
SW
25
WSW
30
W
25
W
25
NW
25
NW
15
NW
5
NE
5
SW
15
SSE
20
SSE
20
S
25
SSE
25
S
25
S
30
S
20
SSW
15
SSW
20
WSW
10
SW
10
S
30
SSE
30
WSW
25
SW
 mm 
1
1
3
5
3
2
3
2
1
6
6
12
9
1
2
1
1
2
1
7
1
6
1
max°C
9
8
7
4
5
3
5
3
10
9
10
6
8
8
7
5
5
3
4
5
7
9
8
7
8
8
8
9
10
7
8
9
8
11
11
10
11
12
13
13
13
10
11
12
12
7
9
Moonrise
5:40
6:29
7:05
7:30
7:47
8:00
8:11
8:21
8:31
8:41
8:55
9:13
9:41
10:23
11:26
12:46
Moonset
11:42
12:42
1:54
3:14
4:37
6:00
7:23
8:47
10:12
11:40
1:11
2:43
4:08
5:16
6:03
Sunrise
7:58
7:56
7:54
7:52
7:50
7:48
7:46
7:43
7:41
7:39
7:37
7:35
7:33
7:31
7:28
7:26
Sunset
5:42
5:44
5:45
5:46
5:49
5:51
5:52
5:54
5:57
5:59
6:00
6:02
6:05
6:06
6:07
6:09
Today's sea temperature in Shannon is
6.8° C
(Statistics for 12 Feb 1981-2005 – mean: 9.7 max: 10.3 min: 9.0°C)
Issued (local time): 5 am Thursday 12 Feb 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest