Grindstone Island Sea Conditions and Tide Table

Grindstone Island 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

A light covering of new snow, mostly falling on Mon morning. Icy conditions (max 1°C on Sat night, min -13°C on Tue morning). Wind will be generally light.

Days 5–7 Weather Summary

A dusting of snow giving way to moderate rain (total 15mm) heaviest on Wed night. Icy conditions (max 7°C on Wed night, min -6°C on Tue night). Mainly fresh winds.

Days 8–10 Weather Summary

A moderate fall of snow, heaviest on Sun afternoon. Temperatures will be below freezing (max -1°C on Sun afternoon, min -10°C on Sun night). Winds increasing (calm on Sat afternoon, strong winds from the NNW by Sun afternoon).

Days 11–13 Weather Summary

A dusting of new snow. Freeze-thaw conditions (max 1°C on Wed afternoon, min -14°C on Tue morning). Wind will be generally light.

Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thu
18
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
1:07AM12.59m
1:28PM13.15m
2:03AM12.38m
2:24PM12.78m
2:59AM12.04m
3:22PM12.27m
3:58AM11.63m
4:22PM11.69m
4:57AM11.23m
5:23PM11.14m
5:57AM10.90m
6:24PM10.69m
6:56AM10.66m
7:24PM10.37m
7:51AM10.53m
8:20PM10.19m
8:43AM10.49m
9:11PM10.12m
9:30AM10.52m
9:58PM10.14m
10:13AM10.60m
10:41PM10.21m
10:53AM10.71m
Low Tide
7:05PM-0.34m
7:27AM0.38m
7:59PM-0.20m
8:21AM0.57m
8:53PM0.14m
9:17AM0.91m
9:48PM0.61m
10:14AM1.33m
10:45PM1.14m
11:12AM1.76m
11:42PM1.67m
12:12PM2.12m
00:40AM2.12m
1:11PM2.37m
1:37AM2.46m
2:09PM2.49m
2:31AM2.67m
3:03PM2.49m
3:23AM2.76m
3:52PM2.41m
4:10AM2.76m
4:38PM2.29m
4:54AM2.71m
Wave
height (m) 
direction
period (s) 
snow showers
clear
part cloud
light snow
light snow
part cloud
clear
clear
clear
snow showers
light snow
part cloud
heavy rain
part cloud
clear
part cloud
part cloud
clear
part cloud
cloud
clear
cloud
light snow
heavy snow
snow showers
clear
clear
clear
part cloud
part cloud
clear
part cloud
light snow
part cloud
clear
part cloud
snow shwrs
clear
some clouds
light snow
light snow
some clouds
clear
clear
clear
snow shwrs
light snow
some clouds
heavy rain
some clouds
clear
some clouds
some clouds
clear
some clouds
cloudy
clear
cloudy
light snow
heavy snow
snow shwrs
clear
clear
clear
some clouds
some clouds
clear
some clouds
light snow
some clouds
clear
some clouds
 km/h
15
SSW
20
NW
10
NW
5
N
30
NNW
25
NW
20
WNW
10
W
15
WSW
25
SSW
15
WSW
25
S
40
SW
25
WSW
20
W
15
W
15
W
20
WNW
10
WNW
5
WNW
5
N
10
NE
40
NE
50
NNW
20
W
20
W
15
W
10
WNW
20
WNW
25
WNW
10
W
20
SW
25
SW
15
WNW
10
N
5
SE
 mm 
2
13
max°C
1
-2
-3
-7
-8
-8
-12
-9
-6
0
3
5
7
6
3
-2
-3
-2
-5
-6
-4
-4
-2
-1
-4
-9
-7
-10
-12
-9
-11
-6
1
0
-5
-4
Moonrise
7:26
8:47
10:03
11:16
12:24
1:31
2:36
3:42
4:48
5:55
7:00
Moonset
10:48
11:23
11:49
12:10
12:27
12:44
12:59
1:16
1:35
1:58
2:26
3:03
Sunrise
7:45
7:46
7:47
7:48
7:48
7:50
7:50
7:50
7:52
7:52
7:52
7:54
Sunset
4:34
4:34
4:34
4:34
4:34
4:34
4:34
4:34
4:34
4:35
4:35
4:35
Today's sea temperature in Grindstone Island is
5.1° C
(Statistics for 06 Dec 1981-2005 – mean: 5.4 max: 7.5 min: 3.7°C)
Issued (local time): 7 pm Saturday 06 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest