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 06:11 AM and sunset is at 08:37 PM.

Days 1–3 Weather Summary

Mostly dry. Cool air temperatures (max 11°C on Mon night, min 8°C on Mon morning). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Cool air temperatures (max 14°C on Sat afternoon, min 6°C on Thu night). Winds decreasing (fresh winds from the NNW on Thu afternoon, light winds from the SE by Sat afternoon).

Days 7–9 Weather Summary

Mostly dry. Very mild (max 14°C on Sun afternoon, min 9°C on Sun morning). Wind will be generally light.

Days 10–12 Weather Summary

Some drizzle, heaviest during Fri night. Very mild (max 12°C on Wed morning, min 7°C on Thu morning). Winds decreasing (strong winds from the NW on Wed night, moderate winds from the WNW by Fri afternoon).

Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sunday
27
Monday
28
Tuesday
29
Wednesday
30
Thursday
1
Friday
2
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
5:42AM3.39m
6:03PM3.69m
7:42AM3.31m
8:05PM3.66m
9:04AM3.43m
9:24PM3.78m
10:08AM3.57m
10:28PM3.90m
11:07AM3.66m
11:26PM3.94m
12:01PM3.66m
00:16AM3.94m
12:48PM3.63m
7:03PM0.30m
7:21AM0.17m
1:30PM3.64m
7:46PM0.21m
8:09AM0.14m
2:14PM3.70m
8:25PM0.07m
3:04PM3.79m
3:33AM3.88m
3:55PM3.83m
4:26AM3.77m
4:40PM3.79m
Low Tide
12:12PM1.17m
00:57AM1.02m
1:28PM1.26m
2:46AM0.92m
3:15PM1.10m
4:09AM0.60m
4:28PM0.78m
5:10AM0.34m
5:27PM0.56m
6:06AM0.24m
6:20PM0.45m
7:30AM0.24m
7:00PM0.40m
7:22AM0.27m
7:35PM0.31m
8:00AM0.23m
8:23PM0.16m
9:51AM0.16m
10:08PM0.01m
10:18AM0.15m
10:38PM-0.03m
10:44AM0.24m
11:10PM0.10m
Wave
height (m) 
direction
period (s) 
0.1
SW
2
0.1
SW
2
0
W
2
0.1
S
2
0.1
W
2
0
W
2
0
W
2
0
W
1
0.1
N
2
0.1
N
2
0.4
NW
3
0.3
NW
2
0.1
NW
2
0.2
WNW
2
0.1
E
1
0.2
SSE
2
0
E
2
0.3
SE
2
0.2
SSE
2
0
E
2
0.1
N
1
0.1
W
2
0.2
W
2
0.1
W
2
0.1
W
2
0.1
W
2
0.2
W
2
0.4
W
3
0.5
WNW
3
0.7
NW
3
0.6
NW
3
0.5
NW
3
0.2
NNW
3
0.4
NW
2
0.3
WNW
2
0.4
WNW
3
cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
clear
part cloud
cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
cloud
clear
part cloud
clear
clear
clear
cloud
part cloud
light rain
cloudy
cloudy
cloudy
cloudy
some clouds
some clouds
cloudy
clear
some clouds
cloudy
some clouds
some clouds
some clouds
cloudy
some clouds
some clouds
some clouds
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
cloudy
clear
some clouds
clear
clear
clear
cloudy
some clouds
light rain
 km/h
15
SSW
10
SSW
5
S
10
SW
15
WNW
10
WNW
5
SW
10
NNW
15
NNE
15
N
30
NNW
20
NW
20
NNW
20
NW
10
ESE
20
SE
5
SE
20
SE
15
SSE
10
NW
10
NE
15
W
15
WNW
15
NW
10
W
10
WNW
20
WSW
25
WNW
35
WNW
50
NW
40
NW
40
NNW
25
N
25
NW
20
WNW
35
NW
 mm 
1
max°C
9
10
11
10
11
10
10
11
11
10
11
9
8
8
9
10
14
14
10
14
14
11
11
12
12
13
13
12
10
9
7
8
7
8
8
8
Moonrise
4:20
4:37
4:49
4:59
5:08
5:17
5:28
5:42
6:04
6:36
7:29
8:41
Moonset
11:39
1:07
2:37
4:08
5:41
7:16
8:56
10:39
12:17
1:40
2:38
Sunrise
6:11
6:09
6:07
6:05
6:01
6:00
5:58
5:56
5:54
5:52
5:48
5:47
Sunset
8:37
8:38
8:40
8:43
8:45
8:46
8:49
8:50
8:52
8:53
8:55
8:58
Today's sea temperature in Tertius is 10.4 °C (Statistics for 21 Apr 1981-2005 – mean: 7.6 max: 9.4 min: 4.4°C)
Issued (local time): 1 am Monday 21 Apr 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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