Port McArthur, Kuiu Island Sea Conditions and Tide Table

Port McArthur, Kuiu 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 08:23 AM and sunset is at 03:21 PM.

Days 1–3 Weather Summary

Mostly dry. Air temperatures will be below freezing (max -4°C on Thu morning, min -9°C on Sat night). Mainly fresh winds.

Days 4–6 Weather Summary

Mostly dry. Air temperatures will be well below freezing (max -9°C on Sun morning, min -12°C on Sun night). Mainly fresh winds.

Days 7–9 Weather Summary

Moderate rain (total 13mm) on Fri morning. Becoming colder with heavy fall of snow, heaviest during Fri afternoon. Freeze-thaw conditions (max 3°C on Fri morning, min -9°C on Wed morning). Winds increasing (calm on Thu afternoon, near gales from the SSE by Fri morning).

Days 10–12 Weather Summary

A heavy fall of snow, heaviest during Sun morning. Freeze-thaw conditions (max 1°C on Sat morning, min -9°C on Mon night). Mainly strong winds.

Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
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
10:53AM3.40m
00:38AM2.80m
11:30AM3.45m
1:13AM2.85m
12:06PM3.47m
1:48AM2.88m
12:41PM3.45m
2:23AM2.88m
1:18PM3.39m
2:59AM2.89m
1:56PM3.28m
3:35AM2.90m
2:38PM3.12m
4:13AM2.93m
3:25PM2.90m
4:53AM3.00m
4:24PM2.67m
5:35AM3.09m
5:37PM2.45m
6:22AM3.22m
7:05PM2.33m
7:14AM3.36m
8:36PM2.37m
Low Tide
6:02PM-0.12m
6:37PM-0.19m
6:21AM1.41m
7:12PM-0.24m
6:58AM1.38m
7:46PM-0.25m
7:36AM1.36m
8:21PM-0.23m
8:16AM1.33m
8:56PM-0.16m
9:01AM1.29m
9:33PM-0.03m
9:53AM1.22m
10:11PM0.16m
10:53AM1.11m
10:53PM0.40m
12:02PM0.93m
11:41PM0.68m
1:15PM0.68m
00:38AM0.95m
2:24PM0.36m
1:43AM1.18m
Wave
height (m) 
direction
period (s) 
1.3
SW
11
1.1
SW
10
0.9
SW
10
0.8
SW
9
0.8
SW
9
0.8
NW
5
0.6
SW
10
0.6
SW
10
0.6
SW
10
0.9
WSW
7
1
NNE
4
0.9
NNE
4
0.9
NNE
4
1
NNE
4
0.9
NNE
4
0.7
NNE
4
0.8
NNE
4
0.9
NNE
4
0.9
NNE
4
0.9
NNE
4
0.7
N
4
0.5
W
6
0.3
WSW
9
0.4
SW
9
1.7
S
6
1.7
SW
8
1.9
WSW
10
1.8
WSW
12
1.5
WSW
11
1.3
WSW
10
1.5
NNE
5
0.8
SW
9
0.9
WNW
5
1
E
6
1
SSW
12
1.2
SSW
11
part cloud
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
mod snow
light snow
mod snow
light snow
light snow
light snow
part cloud
mod snow
light snow
light snow
snow showers
part cloud
part cloud
some clouds
clear
clear
clear
some clouds
clear
clear
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
cloudy
some clouds
some clouds
clear
clear
clear
clear
clear
some clouds
mod snow
light snow
mod snow
light snow
light snow
light snow
some clouds
mod snow
light snow
light snow
snow shwrs
some clouds
some clouds
 km/h
35
NNE
30
NNE
25
NNE
25
NE
30
NNE
25
NNE
20
NNE
20
NNE
25
NNE
30
NNE
35
NNE
30
NNE
35
NNE
35
NNE
30
NNE
25
NE
30
NNE
35
NNE
35
NNE
30
NNE
25
NNE
20
NNE
10
NNE
25
ESE
55
SE
20
SSW
35
S
30
SSE
25
SE
30
NE
50
NNE
25
NE
35
NNE
30
NNE
30
NNE
35
NNE
 mm 
12
1
max°C
-4
-5
-6
-8
-8
-8
-8
-8
-8
-9
-10
-11
-11
-11
-11
-10
-10
-9
-8
-8
-8
-6
-6
1
3
2
2
1
1
-2
-7
-8
-7
-7
-7
-8
Moonrise
8:05
9:10
9:57
10:27
10:45
10:58
11:06
11:13
11:18
11:24
11:31
11:40
Moonset
1:32
2:15
3:17
4:34
5:58
7:24
8:49
10:14
11:39
1:08
2:41
Sunrise
8:23
8:25
8:26
8:26
8:26
8:26
8:26
8:27
8:27
8:27
8:27
8:27
Sunset
3:21
3:21
3:22
3:22
3:22
3:22
3:23
3:25
3:26
3:26
3:27
3:29
Today's sea temperature in Port McArthur, Kuiu Island is
6.9° C
(Statistics for 18 Dec 1981-2005 – mean: 7.3 max: 8.9 min: 5.8°C)
Issued (local time): 8 am Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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