Mcmaster Island Sea Conditions and Tide Table

Mcmaster 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 04:51 PM.

Days 1–4 Weather Summary

A dusting of new snow. Air temperatures will be below freezing (max -3°C on Sun morning, min -12°C on Fri night). Mainly fresh winds.

Days 5–7 Weather Summary

Moderate rain (total 11mm), heaviest on Mon night. Icy conditions (max 6°C on Mon night, min -10°C on Tue night). Winds increasing (calm on Sun night, strong winds from the WSW by Tue morning).

Days 8–10 Weather Summary

A dusting of new snow. Temperatures will be below freezing (max -5°C on Wed night, min -16°C on Sat morning). Winds decreasing (fresh winds from the W on Wed afternoon, light winds from the N by Fri morning).

Days 11–13 Weather Summary

A dusting of new snow. Freeze-thaw conditions (max 2°C on Mon afternoon, min -14°C on Sat afternoon). Wind will be generally light.

Thu
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
Tue
6
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
Wave Height Map
High Tide
3:27PM6.42m
3:56AM6.38m
4:15PM6.39m
4:46AM6.45m
5:09PM6.35m
5:40AM6.53m
6:08PM6.32m
6:39AM6.65m
7:10PM6.33m
7:40AM6.80m
8:13PM6.40m
8:41AM7.01m
9:13PM6.51m
9:39AM7.20m
10:11PM6.68m
10:35AM7.39m
11:07PM6.84m
11:29AM7.50m
11:59PM6.96m
12:20PM7.51m
00:50AM7.00m
1:10PM7.40m
1:40AM6.97m
Low Tide
9:48PM1.14m
10:11AM1.45m
10:36PM1.16m
11:03AM1.40m
11:29PM1.17m
12:00PM1.31m
00:26AM1.16m
1:03PM1.15m
1:27AM1.11m
2:08PM0.89m
2:29AM1.00m
3:10PM0.57m
3:30AM0.85m
4:08PM0.25m
4:29AM0.64m
5:03PM-0.01m
5:24AM0.45m
5:55PM-0.17m
6:16AM0.34m
6:45PM-0.19m
7:07AM0.33m
7:34PM-0.07m
7:57AM0.43m
Wave
height (m) 
direction
period (s) 
0.3
NNW
2
0.8
N
4
0.7
N
4
0.5
N
3
0.3
N
3
0.3
N
2
0.4
N
3
0.6
NNW
3
0.8
NNW
4
0.6
NW
3
0.1
NW
2
0.2
SSE
2
0.6
SE
3
0.6
SW
3
0.9
WSW
4
0.9
W
4
0.8
W
4
0.7
W
4
0.6
W
3
0.4
WNW
3
0.4
WNW
3
0.3
W
3
0.2
W
2
0.1
NE
1
0.4
NNE
3
0.7
N
4
0.5
NW
3
0.4
NW
3
0.3
WNW
3
0.2
W
2
0.2
W
2
0.2
WSW
2
0.3
SW
2
0.3
WSW
2
0.3
W
2
0
W
1
snow showers
part cloud
clear
clear
part cloud
part cloud
clear
clear
clear
clear
part cloud
cloud
light rain
mod rain
cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
cloud
cloud
light snow
snow showers
part cloud
clear
clear
clear
clear
light snow
cloud
clear
clear
clear
snow shwrs
some clouds
clear
clear
some clouds
some clouds
clear
clear
clear
clear
some clouds
cloudy
light rain
mod rain
cloudy
cloudy
some clouds
some clouds
some clouds
some clouds
clear
clear
cloudy
cloudy
light snow
snow shwrs
some clouds
clear
clear
clear
clear
light snow
cloudy
clear
clear
clear
 km/h
25
NNW
40
NNW
30
NNW
25
NNW
20
NNW
20
NNW
25
NNW
35
NW
40
NW
30
WNW
10
NW
20
SSE
30
SE
40
WSW
45
WSW
45
W
40
W
35
W
30
WSW
30
WNW
25
W
20
W
15
W
15
NE
25
NNE
35
NNW
30
NW
25
WNW
20
WNW
20
W
15
WSW
25
SW
20
WSW
25
W
20
WNW
5
NNW
 mm 
4
7
max°C
-4
-5
-11
-9
-10
-10
-7
-7
-3
-1
-3
4
5
6
-6
-7
-9
-8
-6
-5
-14
-11
-11
-10
-9
-9
-15
-13
-12
-9
-4
1
0
2
1
-4
Moonrise
11:43
12:01
12:21
12:44
1:13
1:51
2:42
3:49
5:07
6:29
7:50
Moonset
10:42
11:54
1:07
2:25
3:46
5:10
6:31
7:43
8:41
9:23
9:55
10:19
Sunrise
8:04
8:04
8:04
8:04
8:04
8:06
8:06
8:06
8:06
8:06
8:04
8:04
Sunset
4:51
4:51
4:52
4:52
4:53
4:53
4:54
4:55
4:57
4:58
4:59
5:00
Today's sea temperature in Mcmaster Island is
6.3° C
(Statistics for 25 Dec 1981-2005 – mean: 5.9 max: 7.1 min: 4.7°C)
Issued (local time): 1 pm Thursday 25 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest