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 — and sunset is at —.

Days 1–4 Weather Summary

Light rain (total 2mm), mostly falling on Fri afternoon. Low air temperatures (max 7°C on Fri morning, min 2°C on Fri night). Wind will be generally light.

Days 5–7 Weather Summary

Some drizzle, heaviest during Mon morning. Cool air temperatures (max 10°C on Wed morning, min 3°C on Tue morning). Wind will be generally light.

Days 8–10 Weather Summary

Light rain (total 4mm), mostly falling on Fri morning. Mild temperatures (max 9°C on Fri afternoon, min 3°C on Sat morning). Winds increasing (calm on Thu afternoon, fresh winds from the SE by Sat afternoon).

Days 11–13 Weather Summary

Heavy rain (total 31mm), mainly falling on Sat night. Becoming colder with a light covering of snow, mostly falling on Mon afternoon. Mild temperatures (max 9°C on Sat night, min 1°C on Mon afternoon). Winds decreasing (strong winds from the SSE on Sat night, calm by Tue night).

Friday
16
Saturday
17
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunday
25
Monday
26
Tuesday
27
Wednesday
28
Thursday
29
Friday
30
Sat
31
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
night
AM
Wave Height Map
High Tide
3:34AM3.68m
4:03PM3.57m
4:17AM3.91m
4:44PM3.77m
4:55AM4.12m
5:20PM3.93m
5:30AM4.30m
5:56PM4.06m
6:05AM4.43m
6:30PM4.14m
6:38AM4.49m
7:05PM4.17m
7:13AM4.47m
7:41PM4.15m
7:49AM4.37m
8:20PM4.07m
8:29AM4.21m
9:03PM3.95m
9:15AM3.98m
9:52PM3.80m
10:10AM3.74m
10:52PM3.64m
11:20AM3.53m
00:05AM3.57m
12:43PM3.46m
1:25AM3.64m
2:08PM3.58m
Low Tide
9:26PM1.26m
9:55AM1.02m
10:06PM1.06m
10:33AM0.79m
10:42PM0.87m
11:08AM0.58m
11:15PM0.71m
11:41AM0.42m
11:48PM0.60m
12:14PM0.31m
00:20AM0.54m
12:46PM0.25m
00:54AM0.55m
1:20PM0.26m
1:29AM0.61m
1:55PM0.35m
2:07AM0.74m
2:33PM0.52m
2:50AM0.92m
3:18PM0.75m
3:42AM1.13m
4:15PM1.02m
4:53AM1.32m
5:32PM1.25m
6:29AM1.36m
7:08PM1.29m
7:59AM1.15m
8:28PM1.11m
Wave
height (m) 
direction
period (s) 
part cloud
part cloud
rain showers
part cloud
clear
clear
clear
part cloud
cloud
cloud
light rain
cloud
cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
clear
part cloud
light rain
cloud
part cloud
part cloud
cloud
heavy rain
part cloud
rain showers
light snow
light rain
mod snow
part cloud
clear
part cloud
part cloud
light rain
light rain
clear
light rain
rain showers
rain showers
light rain
part cloud
cloud
light rain
some clouds
some clouds
rain shwrs
some clouds
clear
clear
clear
some clouds
cloudy
cloudy
light rain
cloudy
cloudy
some clouds
some clouds
some clouds
cloudy
some clouds
some clouds
some clouds
clear
some clouds
light rain
cloudy
some clouds
some clouds
cloudy
heavy rain
some clouds
rain shwrs
light snow
light rain
mod snow
some clouds
clear
some clouds
some clouds
light rain
light rain
clear
light rain
rain shwrs
rain shwrs
light rain
some clouds
cloudy
light rain
 km/h
10
SE
10
SE
10
SE
5
NE
5
N
5
N
5
SE
5
SSE
10
SSE
10
SE
15
S
5
NW
5
NNE
5
SE
15
ESE
15
E
15
ESE
20
SE
10
ESE
5
SSE
5
S
5
SSE
20
S
20
S
10
SW
5
SE
25
SE
10
NW
15
WSW
10
SW
20
WSW
10
SSE
15
N
20
NW
15
NW
15
WNW
5
SSW
10
SE
20
S
15
W
20
WSW
25
W
15
WSW
20
WNW
20
W
10
S
20
S
 mm 
2
1
4
21
5
3
2
3
1
2
2
3
1
1
max°C
5
7
7
4
4
6
4
5
7
7
7
7
5
7
8
8
10
10
5
6
8
6
8
9
7
4
7
9
5
4
4
3
2
5
7
7
4
5
7
10
8
8
7
9
9
8
10
Moonrise
7:49
8:32
9:03
9:25
9:41
9:53
10:03
10:12
10:22
10:33
10:48
11:08
11:40
12:30
1:42
Moonset
1:53
2:58
4:14
5:35
6:57
8:18
9:39
11:01
12:26
1:54
3:26
4:57
6:19
7:22
8:04
Sunrise
8:38
8:37
8:36
8:34
8:33
8:33
8:32
8:30
8:29
8:27
8:26
8:25
8:23
8:22
8:21
8:18
Sunset
4:52
4:53
4:54
4:57
4:59
5:00
5:01
5:04
5:06
5:07
5:08
5:10
5:13
5:15
5:16
Today's sea temperature in Shannon is
6.6° C
(Statistics for 15 Jan 1981-2005 – mean: 10.1 max: 11.0 min: 9.3°C)
Issued (local time): 11 pm Thursday 15 Jan 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest