Port Martin Sea Conditions and Tide Table

Port Martin 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 covering of new snow, mostly falling on Sat night. Icy conditions (max 1°C on Fri morning, min -5°C on Thu night). Mainly fresh winds.

Days 5–7 Weather Summary

A light fall of snow, heaviest on Mon afternoon. Turning milder with light rain (total 6mm) on Tue afternoon. Icy conditions (max 3°C on Tue night, min -1°C on Sun night). Winds decreasing (fresh winds from the ESE on Mon night, calm by Wed afternoon).

Days 8–10 Weather Summary

Mostly dry. Freeze-thaw conditions (max 2°C on Thu morning, min -4°C on Fri night). Winds increasing (calm on Thu morning, fresh winds from the WNW by Sat afternoon).

Days 11–13 Weather Summary

A dusting of new snow. Freeze-thaw conditions (max 1°C on Sun morning, min -3°C on Sat night). Winds increasing (light winds from the SW on Sat night, strong winds from the SE by Mon morning).

Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tue
30
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
11:25PM1.65m
11:55PM1.70m
1:13PM0.24m
00:24AM1.73m
1:10PM0.26m
00:54AM1.73m
1:22PM0.30m
1:25AM1.71m
1:44PM0.37m
1:59AM1.64m
2:16PM0.47m
2:35AM1.53m
2:57PM0.59m
3:14AM1.38m
3:47PM0.74m
3:55AM1.18m
4:47PM0.91m
4:38AM0.95m
5:56PM1.10m
5:24AM0.71m
7:09PM1.30m
Low Tide
8:48AM0.17m
9:10AM0.17m
2:38PM0.24m
9:27AM0.18m
3:42PM0.23m
9:41AM0.21m
4:40PM0.23m
9:54AM0.25m
5:37PM0.25m
10:06AM0.31m
6:37PM0.29m
10:18AM0.36m
7:42PM0.35m
10:31AM0.41m
8:58PM0.44m
10:44AM0.43m
10:36PM0.52m
10:58AM0.43m
00:52AM0.56m
11:13AM0.40m
3:51AM0.46m
11:30AM0.33m
Wave
height (m) 
direction
period (s) 
0.2
SSE
2
0.2
SSE
3
0.1
W
1
0.1
NW
2
0.1
N
2
0.1
E
1
0.3
ESE
3
0.1
N
2
0.1
N
2
0.3
ESE
2
0.4
ESE
3
0.6
E
3
0.5
ESE
3
0.6
ESE
3
0.6
ESE
3
0.4
ESE
3
0.1
E
2
0
E
2
0
W
1
0
E
2
0
W
1
0.1
W
1
0.1
NW
2
0.4
NW
3
0.4
NW
4
0.4
NW
4
0.7
NW
4
0.5
NW
4
0.2
N
3
0.2
E
2
0.1
SE
2
0.5
ESE
3
0.5
E
3
0.1
E
2
0.2
ESE
2
0.2
ESE
2
clear
part cloud
part cloud
part cloud
cloud
light snow
light snow
cloud
cloud
light snow
light snow
light snow
light snow
light rain
light rain
light rain
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
clear
clear
cloud
cloud
cloud
cloud
light snow
snow showers
cloud
light snow
part cloud
clear
some clouds
some clouds
some clouds
cloudy
light snow
light snow
cloudy
cloudy
light snow
light snow
light snow
light snow
light rain
light rain
light rain
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
clear
clear
cloudy
cloudy
cloudy
cloudy
light snow
snow shwrs
cloudy
light snow
some clouds
 km/h
25
S
15
SSE
10
WNW
10
SSW
0
NNE
15
E
15
E
5
NNW
5
NE
25
ESE
25
ESE
35
ESE
30
ESE
35
ESE
35
ESE
25
ESE
10
E
0
SE
5
SSW
0
N
5
W
10
SW
15
WNW
20
WNW
20
WNW
15
WNW
30
WNW
15
W
15
E
15
E
15
ESE
40
SE
25
E
10
ESE
25
SE
15
ESE
 mm 
1
1
3
1
max°C
-3
1
1
-2
-1
0
0
0
0
1
1
1
2
2
2
3
2
2
1
2
1
0
0
0
0
0
1
-1
1
1
1
1
1
0
0
1
Moonrise
6:09
8:13
10:06
11:56
1:50
3:54
6:23
Moonset
1:07
12:40
12:20
12:04
11:30
11:09
Sunrise
12:00
12:00
12:00
12:00
12:00
12:00
12:00
12:00
12:00
12:00
12:00
12:00
Sunset
12:00
12:00
12:00
12:00
12:00
12:00
12:00
12:00
12:00
12:00
12:00
12:00
Today's sea temperature in Port Martin is
-1.5° C
(Statistics for 18 Dec 1981-2005 – mean: -1.7 max: -1.6 min: -1.8°C)
Issued (local time): 9 pm Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest