Grindstone (Ray0.4) Sea Conditions and Tide Table

Grindstone (Ray0.4) 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 08:09 PM.

Days 1–4 Weather Summary

Drizzle at first, then turning colder with dusting of snow on Thu morning. Icy conditions (max 7°C on Mon afternoon, min -2°C on Mon night). Wind will be generally light.

Days 5–7 Weather Summary

A dusting of snow turning to light rain (total 3mm) on Thu afternoon. Icy conditions (max 5°C on Sat afternoon, min -3°C on Thu night). Wind will be generally light.

Days 8–10 Weather Summary

Mostly dry. Very mild (max 12°C on Mon afternoon, min 1°C on Tue night). Wind will be generally light.

Days 11–13 Weather Summary

Heavy rain (total 41mm), heaviest during Thu morning. Very mild (max 14°C on Wed afternoon, min 4°C on Wed night). Wind will be generally light.

Mon
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
1
Saturday
2
Sunday
3
Monday
4
Tuesday
5
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
night
Wave Height Map
High Tide
3:05PM13.16m
3:28AM13.57m
3:58PM12.83m
4:23AM13.20m
4:55PM12.46m
5:22AM12.80m
5:58PM12.17m
6:27AM12.48m
7:04PM12.05m
7:35AM12.36m
8:11PM12.16m
8:42AM12.45m
9:13PM12.46m
9:42AM12.69m
10:10PM12.84m
10:37AM12.96m
11:00PM13.18m
11:26AM13.17m
11:46PM13.42m
12:11PM13.26m
00:28AM13.52m
12:52PM13.22m
1:07AM13.49m
1:30PM13.08m
1:44AM13.37m
2:07PM12.88m
2:19AM13.20m
2:42PM12.67m
Low Tide
9:28PM2.48m
9:58AM2.13m
10:21PM2.82m
10:53AM2.51m
11:18PM3.20m
11:53AM2.89m
00:21AM3.50m
12:56PM3.13m
1:27AM3.59m
2:02PM3.17m
2:33AM3.43m
3:06PM3.00m
3:36AM3.07m
4:04PM2.73m
4:32AM2.65m
4:56PM2.47m
5:22AM2.29m
5:44PM2.30m
6:07AM2.07m
6:28PM2.28m
6:49AM2.01m
7:09PM2.40m
7:28AM2.10m
7:46PM2.61m
8:05AM2.29m
8:22PM2.88m
8:41AM2.53m
8:56PM3.14m
Wave
height (m) 
direction
period (s) 
cloud
rain showers
part cloud
part cloud
clear
part cloud
part cloud
part cloud
light snow
light snow
snow showers
part cloud
rain showers
rain showers
cloud
cloud
cloud
cloud
part cloud
clear
part cloud
part cloud
cloud
part cloud
part cloud
clear
clear
clear
light rain
heavy rain
light rain
mod rain
light rain
cloud
mod rain
light rain
part cloud
light rain
heavy rain
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
cloudy
rain shwrs
some clouds
some clouds
clear
some clouds
some clouds
some clouds
light snow
light snow
snow shwrs
some clouds
rain shwrs
rain shwrs
cloudy
cloudy
cloudy
cloudy
some clouds
clear
some clouds
some clouds
cloudy
some clouds
some clouds
clear
clear
clear
light rain
heavy rain
light rain
mod rain
light rain
cloudy
mod rain
light rain
some clouds
light rain
heavy rain
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
cloudy
some clouds
 km/h
15
WSW
15
NE
5
N
10
SSW
5
ENE
5
SSE
15
SW
15
WSW
10
S
0
SW
10
NNE
5
NW
5
NNW
15
NNW
15
N
20
N
10
NNW
15
N
15
N
5
NNE
0
ESE
5
SSW
10
SSW
10
SSW
5
SSW
5
S
10
SSE
10
SSE
5
ESE
15
NE
10
NE
10
ENE
10
NE
10
NNE
5
N
5
W
15
SW
10
S
35
E
40
SSE
30
SSW
25
SSW
25
SW
15
SW
10
SW
10
WSW
0
NW
 mm 
1
1
1
1
4
11
2
10
3
9
2
1
11
max°C
7
3
2
4
1
4
5
3
2
2
1
4
4
2
2
5
4
4
6
5
8
12
11
9
12
9
8
14
9
5
7
8
6
7
6
6
7
7
12
8
6
6
7
6
8
10
9
Moonrise
8:53
10:04
11:22
12:41
1:57
3:10
4:20
5:28
6:36
7:44
8:53
10:00
11:04
12:03
Moonset
12:56
1:58
2:45
3:19
3:45
4:06
4:24
4:41
4:57
5:15
5:35
5:59
6:29
7:06
7:53
Sunrise
6:22
6:20
6:18
6:16
6:16
6:13
6:13
6:11
6:09
6:07
6:05
6:05
6:03
6:01
6:00
Sunset
8:09
8:12
8:13
8:14
8:15
8:16
8:17
8:19
8:21
8:22
8:22
8:24
8:25
8:27
8:28
8:30
Today's sea temperature in Grindstone (Ray0.4) is
3.0° C
(Statistics for 20 Apr 1981-2005 – mean: 1.8 max: 3.3 min: 0.7°C)
Issued (local time): 2 pm Monday 20 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest