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 —.

Days 1–4 Weather Summary

A light fall of snow, heaviest on Mon morning. Turning milder with light rain (total 4mm) on Wed morning. Icy conditions (max 3°C on Wed morning, min -13°C on Tue morning). Winds increasing (light winds from the N on Sun night, strong winds from the S by Wed morning).

Days 5–7 Weather Summary

Mild with light rain (total 9mm) on Wed night. Becoming colder with a light covering of snow, mostly falling on Sat morning. Icy conditions (max 8°C on Wed night, min -5°C on Fri afternoon). Winds decreasing (strong winds from the S on Wed night, calm by Sat morning).

Days 8–10 Weather Summary

Mostly dry. Temperatures will be below freezing (max -3°C on Sat night, min -11°C on Tue afternoon). Winds decreasing (strong winds from the W on Sun afternoon, light winds from the WNW by Mon afternoon).

Days 11–13 Weather Summary

Some drizzle, heaviest during Thu night. Freeze-thaw conditions (max 6°C on Thu afternoon, min -10°C on Fri afternoon). Winds increasing (light winds from the WNW on Tue night, strong winds from the SW by Thu afternoon).

Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Fri
19
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
1:58AM6.93m
2:19PM7.28m
2:52AM6.77m
3:12PM6.95m
3:47AM6.57m
4:09PM6.59m
4:45AM6.37m
5:09PM6.26m
5:45AM6.21m
6:12PM6.02m
6:43AM6.11m
7:12PM5.86m
7:37AM6.07m
8:06PM5.77m
8:26AM6.08m
8:55PM5.73m
9:12AM6.14m
9:39PM5.73m
9:55AM6.22m
10:22PM5.76m
10:37AM6.31m
11:03PM5.83m
11:18AM6.39m
Low Tide
7:53PM-0.15m
8:16AM0.50m
8:44PM0.12m
9:09AM0.74m
9:37PM0.46m
10:04AM1.02m
10:33PM0.82m
11:02AM1.29m
11:30PM1.15m
12:02PM1.49m
00:28AM1.41m
1:01PM1.60m
1:23AM1.60m
1:57PM1.62m
2:14AM1.71m
2:48PM1.56m
3:02AM1.76m
3:36PM1.46m
3:48AM1.76m
4:20PM1.33m
4:31AM1.72m
5:01PM1.22m
5:14AM1.66m
Wave
height (m) 
direction
period (s) 
0.1
SE
2
0.6
NNW
3
0.5
NW
3
0.4
NW
3
0.1
NW
2
0.1
W
2
0.4
SW
2
0.1
S
3
0
W
2
0.9
S
4
0.4
SW
3
0.5
W
3
0.5
W
3
0.6
W
3
0.6
W
3
0.2
W
2
0
W
1
0.1
N
2
0.4
NW
3
0.1
NW
2
0.1
W
2
0.2
N
2
0.5
N
3
0.5
NW
3
0.3
NW
2
0.1
N
2
0.1
NW
2
0.1
NW
2
0.3
SW
2
0.4
SW
3
0.4
SW
3
0.4
SW
3
0.2
WSW
2
0.1
SW
2
0.6
SSW
3
0.6
SW
4
part cloud
mod snow
snow showers
clear
clear
clear
part cloud
light rain
snow showers
light rain
light rain
part cloud
part cloud
clear
part cloud
part cloud
light snow
snow showers
part cloud
part cloud
clear
part cloud
cloud
part cloud
part cloud
clear
clear
clear
cloud
cloud
cloud
cloud
cloud
light rain
cloud
part cloud
some clouds
mod snow
snow shwrs
clear
clear
clear
some clouds
light rain
snow shwrs
light rain
light rain
some clouds
some clouds
clear
some clouds
some clouds
light snow
snow shwrs
some clouds
some clouds
clear
some clouds
cloudy
some clouds
some clouds
clear
clear
clear
cloudy
cloudy
cloudy
cloudy
cloudy
light rain
cloudy
some clouds
 km/h
5
N
35
N
35
NW
25
WNW
20
WNW
15
W
15
WSW
40
S
15
W
25
S
25
WSW
20
WSW
15
NW
20
WNW
15
WNW
10
W
5
S
30
WNW
35
WNW
45
W
40
W
25
W
15
WNW
20
NW
20
NW
25
NW
25
NNW
15
W
25
SW
35
WSW
20
WSW
30
SW
45
SW
30
SW
30
NW
25
NNW
 mm 
4
5
4
1
max°C
-3
-3
-7
-9
-13
-11
0
3
0
8
8
3
4
-2
-4
-2
-1
-1
-3
-9
-5
-3
-7
-7
-5
-9
-9
-7
-2
0
0
4
6
6
-1
-9
Moonrise
8:58
10:15
11:26
12:34
1:40
2:45
3:50
4:56
6:02
7:06
8:06
Moonset
11:30
11:57
12:18
12:36
12:53
1:09
1:27
1:47
2:10
2:39
3:16
4:02
Sunrise
7:52
7:54
7:54
7:56
7:56
7:56
7:58
7:58
7:58
8:00
8:00
8:00
Sunset
4:45
4:45
4:45
4:45
4:45
4:45
4:45
4:45
4:45
4:46
4:46
4:46
Today's sea temperature in Mcmaster Island is
7.8° C
(Statistics for 07 Dec 1981-2005 – mean: 7.0 max: 8.5 min: 5.7°C)
Issued (local time): 7 pm Sunday 07 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest