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 — and sunset is at 05:24 PM.

Days 1–4 Weather Summary

A dusting of snow turning to light rain (total 7mm) on Wed night. Icy conditions (max 2°C on Wed afternoon, min -3°C on Fri night). Mainly fresh winds.

Days 5–7 Weather Summary

Some drizzle, heaviest during Mon night. Icy conditions (max 4°C on Mon night, min -3°C on Sat afternoon). Winds increasing (calm on Sat night, fresh winds from the SSE by Sun night).

Days 8–10 Weather Summary

A light covering of new snow, mostly falling on Wed morning. Becoming milder with moderate rain (total 14mm) heaviest on Wed morning. Freeze-thaw conditions (max 7°C on Thu night, min 0°C on Wed night). Winds increasing (light winds from the SSW on Tue night, strong winds from the SSW by Thu night).

Days 11–13 Weather Summary

A dusting of snow. Milder later with heavy rain (total 21mm) on Sat night. Freeze-thaw conditions (max 6°C on Fri afternoon, min 0°C on Sun morning). Winds decreasing (near gales from the WSW on Sat morning, light winds from the NNE by Sun morning).

Wed
11
Thursday
12
Friday
13
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
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
night
Wave Height Map
High Tide
7:13PM3.17m
7:58AM3.11m
8:36PM3.22m
9:09AM3.16m
9:40PM3.42m
10:10AM3.31m
10:37PM3.66m
11:06AM3.48m
11:28PM3.86m
11:54AM3.61m
00:13AM3.95m
12:38PM3.66m
00:54AM3.93m
1:20PM3.63m
1:32AM3.86m
2:00PM3.57m
2:10AM3.80m
2:38PM3.52m
2:48AM3.80m
3:15PM3.52m
3:26AM3.83m
3:48PM3.53m
4:03AM3.85m
4:21PM3.53m
4:43AM3.78m
4:59PM3.48m
5:31AM3.60m
5:50PM3.35m
Low Tide
1:28AM0.95m
2:10PM1.23m
3:08AM1.11m
3:44PM1.29m
4:23AM1.06m
4:50PM1.19m
5:23AM0.91m
5:47PM1.03m
6:17AM0.74m
6:40PM0.85m
7:09AM0.58m
7:29PM0.68m
7:56AM0.45m
8:13PM0.54m
8:37AM0.36m
8:51PM0.43m
9:13AM0.29m
9:20PM0.34m
9:35AM0.26m
9:19PM0.27m
9:43AM0.23m
9:47PM0.21m
10:16AM0.26m
10:27PM0.24m
10:58AM0.38m
11:17PM0.37m
11:52AM0.59m
00:23AM0.58m
Wave
height (m) 
direction
period (s) 
0.3
ENE
2
0.3
E
2
0.3
E
2
0.2
ENE
2
0.4
NE
3
0.4
NE
2
0.3
NNE
2
0.3
NNE
2
0.3
NNE
2
0.2
N
2
0
W
4
0.3
SW
2
0.3
S
2
0.5
S
3
0.5
S
3
0.3
S
3
0.4
SW
3
0.4
WNW
3
0.4
W
3
0.2
S
2
0.4
ESE
3
0.4
SW
3
0.2
WSW
4
0.1
NE
2
0.3
SE
2
0.6
SW
3
0.6
SW
3
0.6
SW
3
0.5
SSW
3
0.9
WSW
4
0.3
SW
3
0.4
WSW
3
0.1
W
4
0.3
N
2
0.1
NW
2
0.3
SW
2
0.4
SW
3
0.4
SW
3
0.3
WNW
2
0.4
WNW
3
0.4
NW
3
0.2
WNW
5
0.3
NW
3
0.2
NNW
2
0.1
E
2
0.2
SSE
2
0.5
SSE
3
light snow
mod rain
cloud
light snow
light snow
cloud
cloud
cloud
clear
clear
clear
cloud
cloud
cloud
cloud
cloud
rain showers
clear
clear
snow showers
light snow
light rain
light snow
cloud
light snow
light rain
cloud
light rain
mod rain
rain showers
light snow
rain showers
cloud
cloud
part cloud
cloud
part cloud
cloud
cloud
light rain
clear
clear
clear
part cloud
clear
part cloud
cloud
light snow
mod rain
cloudy
light snow
light snow
cloudy
cloudy
cloudy
clear
clear
clear
cloudy
cloudy
cloudy
cloudy
cloudy
rain shwrs
clear
clear
snow shwrs
light snow
light rain
light snow
cloudy
light snow
light rain
cloudy
light rain
mod rain
rain shwrs
light snow
rain shwrs
cloudy
cloudy
some clouds
cloudy
some clouds
cloudy
cloudy
light rain
clear
clear
clear
some clouds
clear
some clouds
cloudy
 km/h
25
ENE
30
E
25
ENE
20
NE
30
NE
30
NE
25
NE
30
NNE
25
NNE
20
NNE
10
SW
20
SSW
25
S
35
SSE
35
S
25
S
30
SW
30
WNW
25
W
15
SE
40
ESE
30
SW
15
W
15
ENE
25
SE
45
SSW
45
SW
40
SW
40
S
60
WSW
20
SSW
25
WSW
15
NNE
30
N
15
WNW
20
SSW
25
SSW
25
WSW
25
NW
35
NW
35
NNW
20
NNW
25
NW
20
NE
15
ESE
20
SSE
40
SSE
 mm 
7
1
4
3
2
5
2
6
2
1
10
1
max°C
2
2
2
2
1
0
0
-2
-3
-3
-2
-1
0
-1
1
2
4
4
4
4
4
5
4
1
2
7
6
6
5
4
4
3
2
1
3
2
3
3
4
4
3
3
3
4
0
2
0
Moonrise
5:35
6:25
7:00
7:23
7:40
7:52
8:01
8:10
8:18
8:28
8:39
8:56
9:21
10:01
11:03
Moonset
11:19
12:18
1:31
2:53
4:17
5:42
7:06
8:31
9:58
11:27
1:00
2:33
4:00
5:10
Sunrise
7:52
7:50
7:47
7:45
7:43
7:41
7:39
7:37
7:33
7:31
7:30
7:28
7:24
7:22
7:20
Sunset
5:24
5:27
5:29
5:31
5:34
5:36
5:37
5:39
5:42
5:44
5:45
5:47
5:50
5:52
5:53
5:55
Today's sea temperature in Tertius is
0.1° C
(Statistics for 11 Feb 1981-2005 – mean: 4.0 max: 6.4 min: 0.5°C)
Issued (local time): 6 pm Wednesday 11 Feb 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest