Greenock Sea Conditions and Tide Table

Greenock 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 08:44 AM and sunset is at 03:44 PM.

Days 1–3 Weather Summary

Heavy rain (total 21mm), heaviest during Wed afternoon. Low air temperatures (max 9°C on Wed morning, min 4°C on Tue morning). Winds increasing (calm on Mon afternoon, fresh winds from the SSW by Wed morning).

Days 4–6 Weather Summary

Heavy rain (total 25mm), heaviest during Thu night. Low air temperatures (max 9°C on Fri night, min 5°C on Sat night). Winds decreasing (fresh winds from the S on Sat morning, light winds from the E by Sat night).

Days 7–9 Weather Summary

Mostly dry. Mild temperatures (max 6°C on Sun morning, min 3°C on Mon night). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Mild temperatures (max 6°C on Fri afternoon, min 1°C on Wed night). Wind will be generally light.

Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
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
Wave Height Map
High Tide
8:41AM2.79m
8:41PM2.91m
9:46AM2.87m
9:56PM2.93m
10:36AM2.98m
10:53PM2.98m
11:18AM3.11m
11:39PM3.05m
11:57AM3.22m
00:22AM3.12m
12:34PM3.31m
1:02AM3.17m
1:11PM3.38m
1:41AM3.19m
1:49PM3.41m
2:19AM3.19m
2:26PM3.41m
2:58AM3.17m
3:03PM3.39m
3:36AM3.13m
3:41PM3.36m
4:16AM3.07m
4:19PM3.31m
4:57AM3.02m
Low Tide
2:38PM1.27m
3:04AM0.99m
3:23PM1.16m
3:44AM0.97m
4:05PM1.04m
4:21AM0.94m
4:44PM0.93m
4:57AM0.92m
5:20PM0.84m
5:31AM0.90m
5:56PM0.76m
6:05AM0.89m
6:31PM0.71m
6:39AM0.90m
7:07PM0.69m
7:15AM0.91m
7:45PM0.69m
7:54AM0.95m
8:26PM0.73m
8:34AM1.01m
9:10PM0.78m
9:20AM1.09m
10:02PM0.85m
Wave
height (m) 
direction
period (s) 
0.1
SW
4
0.1
S
7
0
W
7
0.1
W
2
0.1
SW
2
0.5
S
3
1.3
SSW
5
1
S
5
0.3
SSW
4
0.4
SSW
3
0.5
S
3
0.6
W
3
0.9
SW
4
0.9
SSW
4
0.7
SSW
4
1.3
S
5
1
SSW
5
0.3
SSW
4
0.2
SSE
2
0.3
SE
3
0.1
S
4
0.1
S
3
0
W
5
0.1
SE
2
0.2
S
5
0.1
S
4
0.1
S
2
0.1
E
2
0.1
E
2
0
E
2
0
E
2
0
W
3
0.1
E
1
0.3
ENE
2
0.2
ENE
2
0.1
NE
2
cloud
cloud
part cloud
clear
clear
part cloud
mod rain
mod rain
rain showers
cloud
light rain
rain showers
light rain
light rain
light rain
light rain
light rain
cloud
part cloud
cloud
cloud
cloud
clear
part cloud
cloud
cloud
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
part cloud
cloudy
cloudy
some clouds
clear
clear
some clouds
mod rain
mod rain
rain shwrs
cloudy
light rain
rain shwrs
light rain
light rain
light rain
light rain
light rain
cloudy
some clouds
cloudy
cloudy
cloudy
clear
some clouds
cloudy
cloudy
clear
clear
clear
clear
clear
some clouds
cloudy
cloudy
cloudy
some clouds
 km/h
5
SW
5
SW
5
WNW
5
SW
5
SW
10
S
25
S
20
SSW
10
SW
10
SSE
10
ESE
15
W
25
WSW
25
SW
15
SSW
30
S
15
SW
5
ESE
5
ENE
5
NE
5
NE
5
E
0
E
5
ENE
5
ENE
5
NW
5
E
5
ENE
5
ENE
5
ENE
5
ENE
5
NE
5
NE
15
ENE
10
NE
5
NNE
 mm 
10
10
1
3
9
2
2
3
3
3
max°C
7
7
5
6
6
7
9
9
9
7
7
7
7
7
9
9
8
7
6
6
6
6
6
4
5
6
6
4
4
2
2
3
5
5
6
5
Moonrise
4:03
5:22
6:43
8:01
9:10
10:03
10:39
11:02
11:16
11:26
11:33
11:39
Moonset
12:58
1:08
1:22
1:45
2:22
3:17
4:29
5:51
7:16
8:42
10:06
11:31
Sunrise
8:44
8:45
8:45
8:45
8:47
8:48
8:48
8:48
8:48
8:48
8:49
8:49
Sunset
3:44
3:44
3:44
3:44
3:45
3:45
3:45
3:45
3:47
3:47
3:48
3:48
Today's sea temperature in Greenock is
9.8° C
(Statistics for 15 Dec 1981-2005 – mean: 9.7 max: 10.7 min: 8.6°C)
Issued (local time): 5 am Monday 15 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest