Cascais Sea Conditions and Tide Table

Cascais 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

Moderate rain (total 18mm), heaviest on Thu night. Cool air temperatures (max 15°C on Thu night, min 13°C on Thu night). Winds decreasing (strong winds from the N on Thu night, light winds from the W by Sat morning).

Days 5–7 Weather Summary

Moderate rain (total 15mm), heaviest on Mon night. Cool air temperatures (max 16°C on Mon afternoon, min 14°C on Sun night). Winds decreasing (near gales from the WNW on Sun night, moderate winds from the W by Mon afternoon).

Days 8–10 Weather Summary

Mostly dry. Very mild (max 14°C on Wed night, min 7°C on Sat morning). Winds decreasing (strong winds from the NNW on Wed night, calm by Fri afternoon).

Days 11–13 Weather Summary

Mostly dry. Very mild (max 12°C on Sun afternoon, min 9°C on Sat night). Winds increasing (light winds from the NE on Sat night, fresh winds from the NNE by Sun night).

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
1:54AM3.12m
2:15PM2.95m
2:29AM3.17m
2:51PM2.97m
3:04AM3.20m
3:26PM2.97m
3:39AM3.20m
4:02PM2.95m
4:14AM3.18m
4:39PM2.91m
4:52AM3.14m
5:19PM2.86m
5:33AM3.09m
6:03PM2.81m
6:20AM3.03m
6:55PM2.77m
7:14AM2.97m
7:54PM2.75m
8:16AM2.93m
9:01PM2.78m
9:25AM2.91m
10:09PM2.87m
10:35AM2.95m
Low Tide
7:37PM1.07m
8:05AM1.00m
8:11PM1.04m
8:40AM0.96m
8:45PM1.03m
9:15AM0.94m
9:19PM1.03m
9:49AM0.95m
9:53PM1.05m
10:26AM0.98m
10:30PM1.09m
11:04AM1.02m
11:10PM1.14m
11:48AM1.07m
11:55PM1.20m
12:37PM1.12m
00:48AM1.27m
1:35PM1.17m
1:52AM1.32m
2:41PM1.18m
3:07AM1.31m
3:50PM1.15m
4:22AM1.22m
4:56PM1.07m
Wave
height (m) 
direction
period (s) 
4.5
WNW
17
4
WNW
16
4
WNW
16
4
WNW
16
3.5
WNW
15
3
WNW
14
4
WNW
14
4.5
WNW
14
4.5
WNW
15
5.5
WNW
15
5
WNW
15
4.5
WNW
15
4
NW
14
4
NW
12
4
NW
12
4
NW
13
4
NW
13
4
WNW
13
3.5
NW
11
3
WNW
14
2.4
WNW
14
1.9
WNW
12
1.5
WNW
12
1.2
WNW
11
1.2
WNW
12
1.8
WNW
11
1.8
NW
11
1.6
WNW
13
1.4
WNW
12
1.3
WNW
12
1.2
W
13
2.5
WNW
13
2.5
WNW
12
2.3
WNW
12
2.1
WNW
11
2.1
NW
11
mod rain
rain showers
clear
part cloud
part cloud
rain showers
light rain
light rain
light rain
rain showers
part cloud
cloud
mod rain
rain showers
rain showers
rain showers
clear
clear
part cloud
clear
clear
part cloud
cloud
cloud
part cloud
clear
clear
cloud
part cloud
part cloud
cloud
part cloud
clear
clear
clear
clear
mod rain
rain shwrs
clear
some clouds
some clouds
rain shwrs
light rain
light rain
light rain
rain shwrs
some clouds
cloudy
mod rain
rain shwrs
rain shwrs
rain shwrs
clear
clear
some clouds
clear
clear
some clouds
cloudy
cloudy
some clouds
clear
clear
cloudy
some clouds
some clouds
cloudy
some clouds
clear
clear
clear
clear
 km/h
35
S
35
N
40
N
30
NNW
15
W
30
NW
35
W
30
WNW
35
WNW
50
WNW
30
NW
25
W
35
WSW
35
NW
40
NW
30
NW
40
NW
40
NNW
40
NNW
35
NNW
35
NNW
25
NNW
15
N
5
N
25
E
20
NE
10
NNE
10
ESE
20
ESE
20
E
25
NE
30
NNE
30
N
30
N
20
N
30
N
 mm 
8
1
2
4
2
1
3
9
1
1
1
max°C
15
14
14
13
14
14
14
13
14
14
15
16
16
15
15
14
14
14
14
14
14
14
13
13
11
10
11
10
10
12
10
11
11
11
11
12
Moonrise
7:37
8:31
9:17
9:56
10:29
10:58
11:23
11:47
12:10
12:35
1:03
1:36
Moonset
4:33
5:27
6:27
7:31
8:36
9:42
10:47
11:53
1:00
2:11
3:25
Sunrise
7:50
7:50
7:50
7:52
7:52
7:52
7:52
7:54
7:54
7:54
7:54
7:54
Sunset
5:17
5:19
5:19
5:20
5:20
5:21
5:21
5:22
5:22
5:22
5:23
5:24
Today's sea temperature in Cascais is
15.9° C
(Statistics for 18 Dec 1981-2005 – mean: 16.5 max: 17.4 min: 15.8°C)
Issued (local time): 11 pm Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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