Greystones Sea Conditions and Tide Table

Greystones 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 05:16 AM and sunset is at 09:24 PM.

Days 1–3 Weather Summary

Mostly dry. Warm air temperatures (max 20°C on Sat afternoon, min 12°C on Thu night). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Warm air temperatures (max 21°C on Sun afternoon, min 10°C on Tue morning). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Very mild (max 17°C on Wed afternoon, min 11°C on Fri night). Wind will be generally light.

Days 10–12 Weather Summary

Light rain (total 7mm), mostly falling on Sun night. Very mild (max 15°C on Sun afternoon, min 10°C on Sat night). Wind will be generally light.

Days 13–16 Weather Summary

Light rain (total 7mm), mostly falling on Thu afternoon. Very mild (max 17°C on Wed afternoon, min 10°C on Thu night). Winds increasing (calm on Tue night, fresh winds from the W by Fri night).

Thursday
21
Friday
22
Saturday
23
Sunday
24
Monday
25
Tuesday
26
Wednesday
27
Thursday
28
Friday
29
Saturday
30
Sunday
31
Monday
1
Tuesday
2
Wednesday
3
Thursday
4
Fri
5
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
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High Tide
4:28PM2.95m
4:37AM3.17m
5:29PM2.78m
5:36AM3.07m
6:32PM2.66m
6:38AM2.98m
7:37PM2.61m
7:41AM2.91m
8:38PM2.63m
8:43AM2.86m
9:33PM2.70m
9:41AM2.84m
10:21PM2.79m
10:33AM2.85m
11:02PM2.86m
11:19AM2.87m
11:41PM2.93m
12:01PM2.88m
00:17AM2.97m
12:41PM2.89m
00:53AM3.00m
1:20PM2.88m
1:30AM3.02m
1:59PM2.84m
2:09AM3.02m
2:39PM2.76m
2:49AM3.00m
3:20PM2.67m
Low Tide
9:32AM0.15m
9:47PM0.66m
10:34AM0.31m
10:46PM0.83m
11:43AM0.44m
11:53PM0.95m
12:53PM0.53m
1:04AM0.99m
1:57PM0.56m
2:11AM0.95m
2:52PM0.56m
3:08AM0.86m
3:39PM0.55m
3:58AM0.74m
4:21PM0.54m
4:42AM0.62m
5:00PM0.53m
5:23AM0.52m
5:39PM0.53m
6:02AM0.44m
6:16PM0.54m
6:41AM0.41m
6:53PM0.57m
7:20AM0.41m
7:30PM0.61m
7:59AM0.46m
8:07PM0.66m
8:40AM0.53m
8:44PM0.73m
Wave
Height (m)
Direction
Period (s)
0.7
SSE
6
0.9
SSE
5
0.6
SSE
4
0.6
SSE
4
0.7
SSE
4
0.4
SSE
4
0.2
SSE
4
0.3
SSE
3
0.2
SSE
4
0.1
SE
9
0.3
SSE
3
0.2
SSE
3
0.1
S
14
0.1
SE
2
0.1
NW
2
0.2
ENE
3
0.3
NE
4
0.4
NE
4
0.4
NE
4
0.3
ENE
3
0.2
E
4
0.4
SE
4
0.4
SE
4
0.4
SE
4
0.4
SE
4
0.4
SE
4
0.2
SSE
6
0.4
NE
4
0.4
NE
4
0.2
NNE
4
0.3
NE
4
0.4
SE
2
0.9
SSE
4
1
SSE
6
0.9
SSE
5
0.7
SSE
4
0.6
SE
4
0.5
SE
4
0.2
SSE
4
0.2
SSE
8
0.6
SSE
4
0.4
SSE
4
0.4
SSE
5
0.4
S
4
0.5
SW
3
0.6
NNW
3
0.6
NNW
3
cloud
cloud
cloud
cloud
cloud
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
clear
part cloud
mod rain
cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
cloud
cloud
part cloud
light rain
light rain
rain showers
rain showers
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
some clouds
clear
clear
clear
some clouds
some clouds
some clouds
cloudy
cloudy
cloudy
cloudy
some clouds
clear
some clouds
mod rain
cloudy
some clouds
some clouds
some clouds
clear
clear
some clouds
cloudy
cloudy
some clouds
light rain
light rain
rain shwrs
rain shwrs
km/h
20
SSW
25
S
20
S
20
S
20
S
10
SSW
10
SE
10
SSW
5
W
5
ESE
15
S
10
WNW
5
ENE
10
SE
15
NNW
15
NNE
15
NNE
10
NNW
5
ENE
15
SE
5
S
20
SE
20
SSE
10
S
10
SSE
5
SE
15
N
15
NNE
15
NE
10
NNW
5
NNE
25
SSE
25
SSE
20
SSW
30
S
20
S
20
SE
20
SE
10
SSW
15
S
25
S
10
SSW
15
WSW
25
SW
20
WSW
30
NW
30
WNW
7
1
2
2
1
max °C
17
17
14
17
16
16
17
20
18
18
21
19
17
19
18
11
12
11
14
17
16
14
17
15
15
16
15
12
12
12
12
15
13
15
15
12
13
13
12
16
17
14
15
16
12
12
13
Moonrise
9:45
11:15
12:40
2:00
3:18
4:33
5:49
7:05
8:21
9:35
10:42
11:37
12:18
12:47
1:08
Moonset
1:55
2:16
2:31
2:42
2:52
3:01
3:11
3:22
3:36
3:54
4:21
4:58
5:49
6:53
8:06
9:22
Sunrise
5:16
5:15
5:13
5:13
5:11
5:09
5:09
5:07
5:07
5:05
5:05
5:03
5:03
5:01
5:01
5:01
Sunset
9:24
9:25
9:28
9:29
9:30
9:31
9:32
9:35
9:36
9:37
9:37
9:39
9:40
9:42
9:43
9:44
Today's sea temperature in Greystones is
11.8° C
(Statistics for 21 May 1981-2005 – mean: 11.0 max: 12.4 min: 8.9°C)
Issued (local time): 12 pm Thursday 21 May 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest