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 07:09 AM and sunset is at 07:50 PM.

Days 1–3 Weather Summary

Light rain (total 6mm), mostly falling on Fri afternoon. Cool air temperatures (max 17°C on Fri afternoon, min 11°C on Thu night). Wind will be generally light.

Days 4–6 Weather Summary

Some drizzle, heaviest during Fri night. Warm air temperatures (max 22°C on Mon afternoon, min 12°C on Sat night). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Warm (max 21°C on Tue afternoon, min 12°C on Thu afternoon). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Warm (max 20°C on Sat afternoon, min 9°C on Thu night). Wind will be generally light.

Days 13–16 Weather Summary

Mostly dry. Very mild (max 15°C on Mon afternoon, min 10°C on Sun night). Wind will be generally light.

Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sunday
27
Monday
28
Tuesday
29
Wednesday
30
Thu
1
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
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
High Tide
8:55AM3.98m
9:15PM3.76m
9:32AM3.66m
9:59PM3.39m
10:20AM3.35m
10:57PM3.07m
11:27AM3.11m
00:21AM2.89m
12:57PM3.04m
1:57AM2.93m
2:23PM3.20m
3:10AM3.17m
3:23PM3.49m
3:58AM3.48m
4:06PM3.82m
4:34AM3.81m
4:42PM4.12m
5:08AM4.11m
5:16PM4.38m
5:40AM4.36m
5:49PM4.57m
6:12AM4.54m
6:23PM4.68m
6:45AM4.63m
6:59PM4.67m
7:20AM4.60m
7:37PM4.55m
Low Tide
2:52PM0.84m
3:07AM1.07m
3:29PM1.18m
3:44AM1.44m
4:17PM1.53m
4:36AM1.78m
5:45PM1.81m
6:36AM1.97m
8:07PM1.76m
8:34AM1.81m
9:14PM1.47m
9:28AM1.52m
9:56PM1.13m
10:06AM1.20m
10:29PM0.80m
10:39AM0.88m
10:59PM0.49m
11:10AM0.60m
11:29PM0.23m
11:41AM0.36m
11:59PM0.05m
12:13PM0.19m
00:31AM-0.03m
12:46PM0.11m
1:04AM0.01m
1:22PM0.14m
Wave
Height (m)
Direction
Period (s)
part cloud
cloud
rain showers
part cloud
part cloud
part cloud
light rain
light rain
rain showers
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
cloud
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
part cloud
cloud
part cloud
part cloud
cloud
part cloud
some clouds
cloudy
rain shwrs
some clouds
some clouds
some clouds
light rain
light rain
rain shwrs
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
clear
some clouds
cloudy
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
some clouds
cloudy
clear
clear
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
cloudy
some clouds
some clouds
cloudy
some clouds
km/h
15
WNW
20
WSW
20
W
25
W
25
WNW
15
WSW
15
S
25
WSW
20
SW
15
W
20
W
5
SSW
5
SSE
10
WSW
5
SSW
5
SSE
5
S
5
SSE
5
SE
5
ESE
5
SE
15
SE
25
SSE
25
SSE
15
WSW
20
WNW
5
N
5
SE
5
S
5
S
5
SSE
5
NW
5
W
5
NW
15
NW
5
NW
5
NNW
10
NNW
5
ENE
15
E
20
ESE
10
ESE
15
ESE
10
SE
5
SE
5
ESE
 mm
2
1
3
1
max °C
15
15
14
14
15
14
15
17
16
15
16
13
18
20
17
20
22
17
18
21
18
20
21
17
16
15
11
16
19
13
17
20
15
17
17
12
14
15
13
12
15
12
14
15
12
13
Moonrise
2:06
3:17
4:18
5:04
5:37
6:01
6:18
6:31
6:42
6:52
7:02
7:13
7:27
7:45
8:12
Moonset
9:07
9:40
10:26
11:26
12:36
1:52
3:11
4:30
5:49
7:10
8:33
9:59
11:30
1:01
2:26
Sunrise
7:09
7:11
7:13
7:15
7:16
7:18
7:20
7:22
7:22
7:24
7:26
7:28
7:30
7:31
7:33
7:35
Sunset
7:50
7:46
7:45
7:42
7:39
7:37
7:35
7:32
7:30
7:28
7:25
7:22
7:21
7:17
7:15
Today's sea temperature in Shannon is
17.1°C
(Statistics for 16 Sep 1981-2005 – mean: 15.0 max: 16.5 min: 13.3°C)
Issued (local time): 12 am Wednesday 16 Sep 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest