Knokke-Heist Sea Conditions and Tide Table

Knokke-Heist 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 08:49 AM and sunset is at 04:40 PM.

Days 1–3 Weather Summary

Mostly dry. Icy conditions (max 5°C on Tue afternoon, min -2°C on Wed night). Winds decreasing (strong winds from the ENE on Wed night, moderate winds from the ENE by Thu night).

Days 4–6 Weather Summary

Mostly dry. Icy conditions (max 6°C on Sat morning, min 0°C on Fri morning). Winds decreasing (fresh winds from the NNE on Sat afternoon, light winds from the NNW by Sun night).

Days 7–9 Weather Summary

Light rain (total 7mm), mostly falling on Wed morning. Mild temperatures (max 8°C on Mon night, min 4°C on Tue night). Mainly near gales.

Days 10–12 Weather Summary

Moderate rain (total 11mm), heaviest on Thu afternoon. Mild temperatures (max 9°C on Sat night, min 1°C on Thu night). Winds decreasing (fresh winds from the NW on Thu morning, light winds from the WNW by Fri afternoon).

Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
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
4:11PM4.08m
4:23AM4.04m
4:49PM4.02m
5:01AM3.97m
5:29PM3.93m
5:41AM3.85m
6:12PM3.83m
6:25AM3.70m
7:00PM3.70m
7:14AM3.53m
7:54PM3.57m
8:13AM3.40m
9:00PM3.49m
9:25AM3.35m
10:16PM3.49m
10:44AM3.47m
11:28PM3.63m
11:55AM3.73m
00:30AM3.83m
12:54PM4.04m
1:22AM4.05m
1:47PM4.33m
2:10AM4.23m
Low Tide
9:46AM0.63m
10:03PM0.92m
10:21AM0.66m
10:37PM1.01m
10:57AM0.72m
11:16PM1.11m
11:38AM0.81m
00:06AM1.21m
12:30PM0.90m
1:10AM1.30m
1:34PM0.98m
2:21AM1.33m
2:44PM1.01m
3:29AM1.29m
3:52PM0.98m
4:31AM1.18m
4:58PM0.88m
5:30AM1.01m
6:00PM0.75m
6:26AM0.81m
6:59PM0.62m
7:19AM0.59m
7:54PM0.53m
Wave
height (m) 
direction
period (s) 
0.9
NNE
5
1.1
NE
5
1.4
NNE
5
1.6
NNE
6
1.7
NNE
6
1.9
NNE
6
1.6
NNE
6
1.3
NNE
6
1.1
NNE
6
0.9
NNE
5
0.6
NNE
5
0.5
NNE
4
0.4
N
6
1.1
N
4
1.9
N
8
1.5
N
8
1.2
N
8
0.9
NNW
8
0.9
NNW
8
1
N
6
1.6
N
6
2
NNW
8
2
NNW
7
3
NNW
10
3.5
NNW
12
1.6
NNW
10
1.8
NNW
6
2
NNW
7
1.9
NNW
7
1
NNW
8
0.8
NNW
7
0.9
NNW
8
0.8
NNW
7
1.2
WNW
4
1.6
WNW
6
1.6
NW
6
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
clear
clear
clear
part cloud
part cloud
cloud
part cloud
rain showers
rain showers
cloud
light rain
light rain
rain showers
part cloud
part cloud
part cloud
part cloud
light rain
light rain
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
some clouds
clear
clear
clear
some clouds
some clouds
cloudy
some clouds
rain shwrs
rain shwrs
cloudy
light rain
light rain
rain shwrs
some clouds
some clouds
some clouds
some clouds
light rain
light rain
some clouds
 km/h
25
ENE
35
ENE
35
ENE
40
ENE
40
NE
45
ENE
40
ENE
30
ENE
25
ENE
25
ENE
20
ENE
15
ENE
15
NNE
30
NNE
30
NNE
20
NE
15
NNE
10
NNW
15
WNW
20
NW
35
NNW
30
NNW
35
NW
50
NNW
40
N
5
NNW
30
NW
35
NW
30
NNW
10
SSE
10
SSE
5
WNW
10
WSW
25
W
30
W
30
NW
 mm 
1
2
4
3
4
1
3
max°C
4
5
3
0
1
-1
-1
0
0
1
3
5
6
6
6
5
5
6
5
7
8
5
5
6
5
5
6
5
5
3
3
5
5
5
8
9
Moonrise
11:20
11:37
11:50
12:02
12:14
12:27
12:42
1:01
1:29
2:12
3:13
4:34
Moonset
8:04
9:22
10:40
11:58
1:18
2:42
4:11
5:43
7:13
8:31
9:28
Sunrise
8:49
8:49
8:49
8:51
8:51
8:51
8:51
8:51
8:51
8:51
8:51
8:51
Sunset
4:40
4:42
4:43
4:43
4:44
4:45
4:45
4:46
4:47
4:49
4:50
4:51
Today's sea temperature in Knokke-Heist is
8.6° C
(Statistics for 23 Dec 1981-2005 – mean: 8.8 max: 10.3 min: 7.5°C)
Issued (local time): 12 pm Tuesday 23 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest