Cheju Sea Conditions and Tide Table

Cheju 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 06:24 AM and sunset is at 06:52 PM.

Days 1–3 Weather Summary

Mostly dry. Warm air temperatures (max 21°C on Sat morning, min 10°C on Sat night). Mainly strong winds.

Days 4–6 Weather Summary

Heavy rain (total 34mm), heaviest during Tue afternoon. Warm air temperatures (max 20°C on Tue morning, min 8°C on Wed night). Winds increasing (calm on Mon night, fresh winds from the E by Tue night).

Days 7–9 Weather Summary

Light rain (total 6mm), mostly falling on Fri night. Very mild (max 14°C on Thu morning, min 10°C on Fri night). Winds decreasing (fresh winds from the E on Thu morning, light winds from the E by Fri morning).

Days 10–12 Weather Summary

Mostly dry. Very mild (max 18°C on Tue morning, min 13°C on Sun morning). Wind will be generally light.

Friday
29
Saturday
30
Sunday
31
Monday
1
Tuesday
2
Wednesday
3
Thursday
4
Friday
5
Saturday
6
Sunday
7
Monday
8
Tuesday
9
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
10:32AM1.65m
3:29AM2.03m
3:24PM1.58m
4:33AM2.25m
4:29PM1.72m
5:18AM2.48m
5:12PM1.90m
5:56AM2.69m
5:49PM2.10m
6:33AM2.87m
6:25PM2.30m
7:08AM2.98m
7:02PM2.47m
7:43AM3.00m
7:41PM2.59m
8:18AM2.94m
8:21PM2.65m
8:53AM2.80m
9:05PM2.63m
9:27AM2.59m
9:55PM2.56m
10:03AM2.33m
10:57PM2.43m
Low Tide
6:53AM1.49m
6:52PM1.15m
11:34AM1.48m
8:33PM1.11m
11:25AM1.31m
10:01PM0.94m
11:48AM1.13m
11:00PM0.70m
12:16PM0.96m
11:46PM0.46m
12:46PM0.80m
00:28AM0.26m
1:17PM0.67m
1:10AM0.14m
1:51PM0.56m
1:51AM0.13m
2:25PM0.50m
2:33AM0.23m
3:01PM0.48m
3:16AM0.43m
3:38PM0.50m
4:03AM0.71m
4:19PM0.58m
4:57AM1.01m
Wave
height (m) 
direction
period (s) 
1
WSW
4
1.6
SW
6
0.8
WSW
6
0.5
WSW
6
1.4
SW
5
0.5
SW
5
0.6
NNW
4
0.5
NE
3
0.3
ENE
4
0.1
E
4
0.1
E
4
0.1
E
3
0.6
ESE
4
0.9
ESE
4
1.7
E
6
1.3
E
6
0.8
E
6
1.5
NNW
6
1.7
ENE
6
1.9
ENE
7
1.1
E
6
0.9
ENE
6
0.6
E
6
0.5
NE
3
0.5
N
3
0.5
NNW
4
0.4
NNW
3
0.4
NW
3
0.3
NW
3
0.3
NW
3
0.4
NW
3
0.6
NW
4
0.4
NNW
3
0.3
NNW
3
0.2
NNW
2
0.2
NNW
3
clear
part cloud
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
mod rain
heavy rain
mod rain
part cloud
clear
part cloud
part cloud
part cloud
cloud
cloud
light rain
light rain
clear
part cloud
clear
clear
part cloud
part cloud
clear
clear
clear
part cloud
clear
clear
some clouds
clear
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
clear
some clouds
some clouds
mod rain
heavy rain
mod rain
some clouds
clear
some clouds
some clouds
some clouds
cloudy
cloudy
light rain
light rain
clear
some clouds
clear
clear
some clouds
some clouds
clear
clear
clear
some clouds
clear
 km/h
15
SW
40
SW
5
W
10
SSW
30
SW
10
NW
10
ENE
15
ENE
5
ESE
5
NW
10
NNE
5
SE
10
SE
15
ESE
25
E
20
NE
15
NNW
15
NW
30
E
25
E
15
ESE
15
E
10
E
20
NE
15
NNW
10
NNW
10
W
10
WNW
15
NW
10
WNW
10
NW
15
NNW
5
NNW
10
NNW
10
NNW
10
W
 mm 
10
18
6
5
1.0
max°C
18
17
14
21
21
14
16
16
14
17
18
16
20
18
17
14
15
10
14
14
12
14
14
12
11
13
12
15
16
14
17
17
16
18
18
15
Moonrise
10:43
11:46
12:49
1:48
2:42
3:28
4:09
4:44
5:16
5:47
6:18
Moonset
8:13
8:48
9:31
10:22
11:22
12:29
1:40
2:53
4:06
5:18
6:29
7:42
Sunrise
6:24
6:24
6:22
6:20
6:20
6:18
6:16
6:16
6:13
6:13
6:11
6:11
Sunset
6:52
6:52
6:52
6:53
6:54
6:54
6:55
6:57
6:58
6:58
6:59
7:00
Today's sea temperature in Cheju is 14.9 °C (Statistics for 29 Mar 1981-2005 – mean: 12.7 max: 14.3 min: 10.2°C)
Nearest