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

Heavy rain (total 42mm), heaviest during Fri morning. Cool air temperatures (max 12°C on Sat night, min 5°C on Thu night). Mainly strong winds.

Days 5–7 Weather Summary

Light rain (total 8mm), mostly falling on Mon night. Cool air temperatures (max 12°C on Mon night, min 6°C on Sun night). Wind will be generally light.

Days 8–10 Weather Summary

Moderate rain (total 14mm), heaviest on Thu night. Very mild (max 12°C on Thu morning, min 8°C on Wed night). Winds decreasing (fresh winds from the SSE on Thu afternoon, light winds from the SSE by Sat afternoon).

Days 11–13 Weather Summary

Light rain (total 2mm), mostly falling on Tue morning. Very mild (max 12°C on Mon night, min 6°C on Sun morning). Winds increasing (light winds from the SSW on Mon morning, strong winds from the W by Tue afternoon).

Friday
5
Saturday
6
Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tue
16
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
4:44AM4.71m
5:14PM4.57m
5:32AM4.75m
6:05PM4.52m
6:21AM4.69m
6:57PM4.37m
7:11AM4.55m
7:50PM4.15m
8:03AM4.34m
8:45PM3.91m
8:56AM4.09m
9:42PM3.68m
9:53AM3.84m
10:41PM3.52m
10:53AM3.62m
11:42PM3.44m
11:56AM3.47m
00:42AM3.44m
12:59PM3.42m
1:38AM3.52m
1:57PM3.45m
2:27AM3.64m
2:48PM3.53m
Low Tide
10:29PM0.15m
10:57AM-0.04m
11:16PM0.16m
11:44AM-0.09m
00:02AM0.27m
12:32PM-0.01m
00:48AM0.47m
1:21PM0.18m
1:36AM0.72m
2:13PM0.44m
2:28AM1.01m
3:10PM0.73m
3:26AM1.28m
4:13PM0.99m
4:37AM1.48m
5:24PM1.17m
5:56AM1.54m
6:33PM1.24m
7:07AM1.48m
7:31PM1.23m
8:04AM1.33m
8:20PM1.17m
8:50AM1.15m
Wave
height (m) 
direction
period (s) 
rain showers
mod rain
mod rain
rain showers
rain showers
part cloud
rain showers
mod rain
part cloud
rain showers
cloud
light rain
mod rain
cloud
cloud
cloud
clear
clear
part cloud
light rain
light rain
mod rain
light rain
light rain
part cloud
part cloud
light rain
part cloud
clear
part cloud
part cloud
clear
part cloud
cloud
rain showers
rain showers
rain shwrs
mod rain
mod rain
rain shwrs
rain shwrs
some clouds
rain shwrs
mod rain
some clouds
rain shwrs
cloudy
light rain
mod rain
cloudy
cloudy
cloudy
clear
clear
some clouds
light rain
light rain
mod rain
light rain
light rain
some clouds
some clouds
light rain
some clouds
clear
some clouds
some clouds
clear
some clouds
cloudy
rain shwrs
rain shwrs
 km/h
10
S
40
SE
20
SSW
15
SW
30
WSW
30
W
10
SE
15
WSW
20
W
15
SSE
10
SSE
15
SSE
20
SSE
5
W
5
NW
5
W
10
WSW
15
SW
20
S
30
SSE
35
SSE
15
SW
25
SSE
25
S
25
S
25
S
25
S
10
SSW
10
S
10
SW
10
SSW
5
SSW
5
SSE
15
SSE
30
WSW
40
W
 mm 
1
10
6
9
2
5
9
1
1
6
1
4
6
1
1
1
1
1
max°C
7
11
11
10
11
10
12
12
10
9
10
10
12
11
11
9
10
10
11
12
11
11
12
11
11
11
11
9
9
10
7
8
9
12
8
9
Moonrise
4:08
5:21
6:50
8:21
9:49
11:11
12:29
1:43
2:57
4:11
5:26
Moonset
9:52
10:59
11:43
12:10
12:28
12:40
12:50
12:59
1:07
1:16
1:27
1:41
Sunrise
8:30
8:30
8:32
8:33
8:33
8:36
8:37
8:37
8:38
8:40
8:40
8:41
Sunset
4:22
4:21
4:21
4:21
4:20
4:20
4:20
4:20
4:20
4:20
4:20
4:20
Today's sea temperature in Shannon is
8.3° C
(Statistics for 04 Dec 1981-2005 – mean: 11.0 max: 12.0 min: 10.1°C)
Issued (local time): 11 pm Thursday 04 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest