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 07:37 AM and sunset is at 07:35 PM.

Days 1–3 Weather Summary

Light rain (total 9mm), mostly falling on Tue morning. Icy conditions (max 11°C on Tue morning, min -8°C on Wed morning). Winds decreasing (near gales from the SSW on Tue morning, calm by Wed night).

Days 4–6 Weather Summary

Light rain (total 9mm), mostly falling on Sun night. Icy conditions (max 9°C on Sun night, min -1°C on Fri night). Winds increasing (calm on Sat night, near gales from the SSW by Sun night).

Days 7–9 Weather Summary

Mostly dry. Freeze-thaw conditions (max 5°C on Mon morning, min -12°C on Wed night). Winds decreasing (strong winds from the NW on Mon night, light winds from the NNE by Wed night).

Days 10–12 Weather Summary

A dusting of snow turning to light rain (total 6mm) on Thu night. Freeze-thaw conditions (max 10°C on Fri afternoon, min -12°C on Thu morning). Mainly fresh winds.

Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
31
Wed
1
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
AM
PM
Wave Height Map
High Tide
11:42AM6.59m
00:05AM6.61m
12:25PM6.79m
00:47AM6.84m
1:07PM6.93m
1:29AM7.03m
1:49PM6.99m
2:12AM7.15m
2:34PM6.96m
2:57AM7.21m
3:21PM6.86m
3:44AM7.19m
4:11PM6.70m
4:36AM7.07m
5:07PM6.50m
5:33AM6.89m
6:09PM6.33m
6:37AM6.70m
7:16PM6.23m
7:45AM6.57m
8:24PM6.24m
8:53AM6.54m
9:28PM6.33m
9:56AM6.58m
10:27PM6.46m
10:52AM6.64m
11:19PM6.58m
11:42AM6.68m
Low Tide
6:00PM0.85m
6:23AM0.86m
6:43PM0.64m
7:06AM0.62m
7:25PM0.52m
7:48AM0.45m
8:08PM0.48m
8:32AM0.36m
8:52PM0.53m
9:18AM0.35m
9:39PM0.65m
10:07AM0.44m
10:29PM0.83m
11:01AM0.59m
11:24PM1.03m
12:00PM0.76m
00:26AM1.21m
1:05PM0.91m
1:32AM1.31m
2:12PM0.96m
2:41AM1.28m
3:17PM0.91m
3:47AM1.15m
4:17PM0.82m
4:46AM0.96m
5:11PM0.72m
5:38AM0.79m
5:59PM0.67m
Wave
height (m) 
direction
period (s) 
1.5
S
5
0.8
SSW
4
0.5
W
3
0.4
WNW
3
0.3
WNW
3
0
W
2
0.1
S
1
0.2
SSE
2
0.1
S
2
0.2
S
2
0.4
S
3
0.1
SW
2
0.1
NW
2
0.1
W
2
0
W
2
0
E
1
0.6
SSE
3
1.2
S
4
0.6
WSW
3
0.6
W
3
0.8
NW
4
0.8
NNW
4
0.4
NW
3
0.3
WNW
3
0.5
NW
3
0.6
NNW
3
0.2
N
2
0
E
1
0.3
SSE
2
0.7
S
4
0.6
SSW
3
0.4
SSW
4
0.1
SW
2
0.3
SW
2
0.5
NW
3
0.5
N
3
0.2
N
2
0
E
2
0.2
S
2
0.9
SSE
4
1.5
SSE
5
0.3
WSW
2
0.4
W
3
0.6
WNW
3
0.2
WNW
2
0.1
W
2
0.2
WSW
2
mod rain
part cloud
part cloud
clear
part cloud
part cloud
part cloud
clear
part cloud
cloud
cloud
part cloud
cloud
cloud
part cloud
cloud
light rain
mod rain
clear
cloud
part cloud
clear
clear
part cloud
part cloud
clear
clear
part cloud
light snow
light snow
cloud
rain showers
clear
cloud
part cloud
clear
clear
clear
cloud
light rain
heavy rain
rain showers
part cloud
cloud
clear
part cloud
part cloud
mod rain
some clouds
some clouds
clear
some clouds
some clouds
some clouds
clear
some clouds
cloudy
cloudy
some clouds
cloudy
cloudy
some clouds
cloudy
light rain
mod rain
clear
cloudy
some clouds
clear
clear
some clouds
some clouds
clear
clear
some clouds
light snow
light snow
cloudy
rain shwrs
clear
cloudy
some clouds
clear
clear
clear
cloudy
light rain
heavy rain
rain shwrs
some clouds
cloudy
clear
some clouds
some clouds
 km/h
55
SSW
35
SW
30
WNW
30
W
20
WNW
5
NNE
10
SSE
15
SSE
15
S
20
S
25
S
15
WSW
15
WNW
15
WNW
0
WSW
10
SSE
35
S
50
SSW
35
WSW
35
WNW
35
NW
35
NW
25
WNW
20
W
25
NNW
30
NW
15
N
10
ESE
25
SSE
35
S
35
SSW
20
WSW
15
SW
25
W
30
NW
30
NNW
15
NNW
10
S
15
S
40
SE
60
SSE
20
W
30
W
30
WNW
20
WNW
15
WSW
25
SW
 mm 
9
2
7
5
1
1
19
4
max°C
11
4
1
-6
-2
-2
-1
-1
-1
1
2
3
2
4
2
1
4
9
5
3
-2
-4
3
1
-4
-4
-6
-8
-3
7
8
10
6
5
2
-4
-6
-3
-2
3
7
7
0
1
-1
2
4
Moonrise
6:59
7:17
7:36
7:57
8:20
8:49
9:26
10:15
11:16
12:28
1:45
3:03
4:18
5:30
6:40
7:48
Moonset
6:12
7:27
8:43
10:03
11:25
12:47
2:06
3:14
4:10
4:51
5:23
5:48
6:08
6:26
6:44
Sunrise
7:37
7:35
7:33
7:31
7:28
7:28
7:26
7:24
7:22
7:20
7:18
7:16
7:13
7:13
7:11
7:09
Sunset
7:35
7:37
7:37
7:38
7:39
7:42
7:43
7:44
7:45
7:46
7:47
7:49
7:51
7:52
7:52
7:53
Today's sea temperature in Mcmaster Island is
2.2° C
(Statistics for 17 Mar 1981-2005 – mean: 3.2 max: 5.2 min: 1.6°C)
Issued (local time): 2 am Tuesday 17 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest