Tertius Sea Conditions and Tide Table

Tertius 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 06:41 AM and sunset is at 06:27 PM.

Days 1–3 Weather Summary

Light rain (total 5mm), mostly falling on Sun night. Low air temperatures (max 7°C on Sun afternoon, min 4°C on Sun night). Winds increasing (light winds from the WSW on Sat afternoon, strong winds from the SSW by Sun night).

Days 4–6 Weather Summary

Some drizzle, heaviest during Thu afternoon. Cool air temperatures (max 10°C on Wed afternoon, min 4°C on Tue morning). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Mild temperatures (max 9°C on Sun afternoon, min 2°C on Fri night). Winds increasing (light winds from the ENE on Fri morning, strong winds from the E by Sat afternoon).

Days 10–12 Weather Summary

Mostly dry. Mild temperatures (max 9°C on Mon morning, min 1°C on Wed night). Mainly fresh winds.

Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sun
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
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
Wave Height Map
High Tide
8:21AM3.20m
8:53PM3.51m
9:25AM3.35m
9:54PM3.72m
10:25AM3.51m
10:51PM3.86m
11:19AM3.60m
11:40PM3.89m
12:05PM3.60m
00:22AM3.82m
12:45PM3.55m
00:59AM3.76m
1:23PM3.51m
1:36AM3.76m
2:02PM3.54m
2:17AM3.81m
2:42PM3.61m
3:01AM3.87m
3:22PM3.68m
3:43AM3.84m
4:00PM3.68m
4:27AM3.71m
4:42PM3.59m
5:16AM3.47m
5:33PM3.43m
6:14AM3.19m
6:36PM3.27m
7:33AM3.01m
8:21PM3.22m
Low Tide
2:41PM1.53m
3:40AM1.18m
4:00PM1.32m
4:43AM0.89m
5:02PM1.01m
5:40AM0.62m
6:05PM0.73m
6:38AM0.43m
7:05PM0.53m
7:31AM0.32m
7:51PM0.40m
8:14AM0.28m
8:29PM0.31m
8:49AM0.24m
8:07PM0.22m
8:36AM0.20m
8:44PM0.12m
9:13AM0.17m
9:28PM0.07m
9:55AM0.22m
10:15PM0.13m
10:40AM0.37m
11:08PM0.30m
11:34AM0.63m
00:14AM0.54m
12:44PM0.90m
1:35AM0.75m
2:10PM1.04m
Wave
height (m) 
direction
period (s) 
0.1
W
3
0.1
W
3
0.1
SW
2
0.1
SW
2
0.1
SW
2
0.6
SSW
3
0.4
WNW
3
0.4
W
3
0.3
SW
2
0.4
SSW
3
0.3
S
2
0.2
SSE
2
0.2
SSE
2
0.1
S
2
0.1
S
2
0
W
1
0.2
N
2
0.2
NNW
2
0.1
NE
2
0.3
ENE
2
0.2
ENE
2
0.5
E
3
0.4
ESE
3
0.4
E
3
0.5
E
3
0.4
ESE
3
0.3
E
2
0.3
E
2
0.3
E
2
0.2
ENE
2
0.1
NE
2
0.1
N
2
0.1
N
2
0.2
N
2
0.2
N
2
0.2
NNE
2
0.4
ENE
3
0.3
NE
2
0
W
3
0.3
WSW
3
0.6
W
3
0.5
NW
3
0.4
NW
3
0.4
NW
3
0.5
NW
3
0.4
NW
3
0.4
WNW
3
cloud
cloud
part cloud
part cloud
part cloud
light rain
clear
cloud
cloud
cloud
part cloud
part cloud
clear
clear
clear
part cloud
rain showers
part cloud
part cloud
clear
part cloud
clear
part cloud
clear
clear
part cloud
clear
clear
part cloud
part cloud
cloud
cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
clear
part cloud
light rain
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloudy
cloudy
some clouds
some clouds
some clouds
light rain
clear
cloudy
cloudy
cloudy
some clouds
some clouds
clear
clear
clear
some clouds
rain shwrs
some clouds
some clouds
clear
some clouds
clear
some clouds
clear
clear
some clouds
clear
clear
some clouds
some clouds
cloudy
cloudy
some clouds
cloudy
cloudy
cloudy
some clouds
some clouds
clear
some clouds
light rain
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
 km/h
10
SW
10
WSW
15
SW
15
WSW
10
WSW
45
SSW
30
W
25
W
20
SW
25
S
20
S
20
SSE
20
SSE
10
SSE
10
SSE
10
WSW
20
NNE
20
N
20
ENE
25
ENE
25
ENE
40
E
35
E
35
E
35
E
35
E
30
E
30
E
25
ENE
25
ENE
20
NE
20
NNW
15
NNW
20
N
20
NE
25
NNE
30
ENE
20
NE
10
NNW
30
WSW
35
W
40
NW
30
NW
30
NW
40
NNW
35
NW
30
WNW
 mm 
5
1
1
max°C
5
5
5
5
7
7
5
5
5
5
7
8
8
10
10
8
6
6
7
8
4
6
8
6
8
9
5
9
9
4
6
6
5
5
5
2
3
4
3
4
5
5
5
4
4
4
5
Moonrise
5:26
5:45
5:59
6:09
6:18
6:27
6:36
6:47
7:03
7:25
8:00
8:56
10:11
11:39
1:09
3:37
Moonset
12:28
1:51
3:15
4:40
6:06
7:34
9:05
10:39
12:15
1:47
3:03
3:57
4:31
4:53
6:07
Sunrise
6:41
6:39
6:37
6:35
6:33
6:30
6:28
6:24
6:22
6:20
6:18
6:15
6:13
6:09
6:07
7:05
Sunset
6:27
6:29
6:30
6:32
6:34
6:36
6:37
6:39
6:42
6:44
6:45
6:47
6:50
6:51
6:52
7:54
Today's sea temperature in Tertius is
5.3° C
(Statistics for 14 Mar 1981-2005 – mean: 4.3 max: 6.5 min: 0.3°C)
Issued (local time): 6 am Saturday 14 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest