Port Marnham Sea Conditions and Tide Table

Port Marnham 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 08:19 AM and sunset is at 04:00 PM.

Days 1–3 Weather Summary

A moderate fall of snow, heaviest on Sun night. Air temperatures will be below freezing (max -4°C on Sun night, min -14°C on Tue night). Mainly near gales.

Days 4–6 Weather Summary

A moderate fall of snow, heaviest on Fri night. Air temperatures will be below freezing (max -5°C on Thu afternoon, min -15°C on Wed morning). Mainly gales.

Days 7–9 Weather Summary

A moderate fall of snow, heaviest on Sat morning. Temperatures will be below freezing (max -1°C on Mon night, min -17°C on Sat night). Winds decreasing (gales from the NNW on Sat morning, light winds from the SW by Sun night).

Days 10–12 Weather Summary

A heavy fall of snow, heaviest during Tue morning. Freeze-thaw conditions (max 1°C on Wed night, min -8°C on Fri morning). Winds increasing (light winds from the SSE on Tue morning, gales from the NNW by Thu morning).

Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
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
Wave Height Map
High Tide
7:52AM1.43m
8:16PM0.95m
8:25AM1.43m
8:52PM0.94m
9:00AM1.41m
9:31PM0.94m
9:35AM1.37m
10:13PM0.94m
10:14AM1.32m
11:02PM0.95m
10:59AM1.24m
11:59PM0.98m
11:51AM1.15m
1:03AM1.02m
12:55PM1.06m
2:11AM1.10m
2:10PM0.98m
3:19AM1.21m
3:28PM0.94m
4:20AM1.33m
4:41PM0.94m
5:17AM1.44m
5:46PM0.95m
Low Tide
2:26PM0.31m
1:33AM0.34m
2:57PM0.31m
2:06AM0.35m
3:29PM0.31m
2:42AM0.37m
4:05PM0.32m
3:22AM0.41m
4:43PM0.34m
4:09AM0.46m
5:26PM0.35m
5:08AM0.53m
6:16PM0.37m
6:29AM0.58m
7:15PM0.39m
8:19AM0.58m
8:20PM0.39m
10:00AM0.51m
9:26PM0.37m
11:12AM0.40m
10:25PM0.34m
12:10PM0.31m
11:21PM0.30m
Wave
height (m) 
direction
period (s) 
1.2
SE
10
1.1
SE
10
1.7
ENE
5
2.5
NNE
7
2.2
SE
10
1.8
SE
10
1.7
ESE
9
1.7
NE
7
2
NE
9
1.4
NE
9
1.3
E
11
1
E
10
1
E
12
1
E
12
0.8
E
11
1.3
SE
14
3.5
ESE
13
3
ESE
12
4.5
ESE
12
4
ESE
12
2.5
ESE
12
2
ESE
11
1.6
E
11
1.4
E
11
1.4
E
10
1.8
E
11
2.1
E
10
2.3
SE
8
2.2
ESE
8
2.5
ESE
9
4
SE
11
3.5
ESE
10
3
NNE
7
3.5
NNE
8
4.5
NE
10
4.5
E
14
part cloud
cloud
heavy snow
light snow
cloud
part cloud
cloud
cloud
part cloud
clear
clear
part cloud
cloud
part cloud
part cloud
clear
part cloud
heavy snow
mod snow
cloud
part cloud
part cloud
clear
part cloud
cloud
cloud
light snow
heavy snow
heavy snow
heavy snow
light snow
light snow
light snow
cloud
light snow
snow showers
some clouds
cloudy
heavy snow
light snow
cloudy
some clouds
cloudy
cloudy
some clouds
clear
clear
some clouds
cloudy
some clouds
some clouds
clear
some clouds
heavy snow
mod snow
cloudy
some clouds
some clouds
clear
some clouds
cloudy
cloudy
light snow
heavy snow
heavy snow
heavy snow
light snow
light snow
light snow
cloudy
light snow
snow shwrs
 km/h
25
WSW
5
SSE
40
NNE
40
NW
35
NW
25
NW
30
NW
30
NW
25
NW
15
W
20
W
15
SW
20
S
15
S
15
NW
25
WNW
20
WSW
40
NNE
55
NW
45
WNW
20
WSW
25
W
20
W
15
SW
20
SSW
25
S
35
SSE
25
NNW
45
N
50
NNE
55
N
55
N
50
N
65
NNW
55
NNW
40
WNW
 mm 
max°C
-11
-9
-4
-7
-8
-10
-11
-9
-11
-14
-13
-11
-7
-5
-6
-8
-8
-7
-10
-13
-15
-16
-13
-11
-5
-3
-1
-3
-5
-1
-1
-1
1
1
-1
-2
Moonrise
10:07
10:34
10:54
11:09
11:21
11:31
11:42
11:53
12:08
12:27
12:55
1:39
Moonset
5:03
6:19
7:38
8:58
10:17
11:37
12:59
2:25
3:56
5:30
7:00
Sunrise
8:19
8:21
8:21
8:22
8:22
8:22
8:22
8:22
8:22
8:22
8:22
8:22
Sunset
4:00
4:00
4:01
4:02
4:02
4:04
4:05
4:06
4:07
4:07
4:08
4:09
Today's sea temperature in Port Marnham is
0.5° C
(Statistics for 21 Dec 1981-2005 – mean: -0.2 max: 0.4 min: -1.0°C)
Issued (local time): 1 am Sunday 21 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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