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 — and sunset is at 06:58 PM.

Days 1–4 Weather Summary

Heavy rain (total 40mm), heaviest during Thu afternoon. Cool air temperatures (max 19°C on Thu afternoon, min 13°C on Wed night). Winds increasing (calm on Wed afternoon, fresh winds from the SSW by Thu afternoon).

Days 5–7 Weather Summary

Heavy rain (total 31mm), heaviest during Sun night. Warm air temperatures (max 20°C on Sun morning, min 12°C on Sun afternoon). Winds increasing (calm on Sat night, fresh winds from the ESE by Sun afternoon).

Days 8–10 Weather Summary

Light rain (total 7mm), mostly falling on Thu night. Warm (max 20°C on Thu night, min 13°C on Tue night). Winds decreasing (fresh winds from the E on Tue afternoon, light winds from the ESE by Wed night).

Days 11–13 Weather Summary

Mostly dry. Very mild (max 18°C on Sat afternoon, min 11°C on Fri night). Wind will be generally light.

Wed
8
Thursday
9
Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
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
4:36PM1.77m
5:19AM2.45m
5:15PM1.93m
5:54AM2.58m
5:48PM2.09m
6:25AM2.69m
6:19PM2.24m
6:55AM2.76m
6:51PM2.38m
7:23AM2.78m
7:23PM2.48m
7:52AM2.75m
7:59PM2.55m
8:20AM2.66m
8:37PM2.58m
8:49AM2.52m
9:20PM2.57m
9:20AM2.34m
10:13PM2.51m
9:53AM2.14m
11:23PM2.43m
10:36AM1.92m
00:58AM2.40m
11:57AM1.73m
2:30AM2.46m
2:12PM1.69m
3:44AM2.60m
3:37PM1.80m
4:41AM2.73m
Low Tide
10:13PM0.96m
11:52AM1.14m
11:03PM0.78m
12:12PM1.01m
11:43PM0.62m
12:36PM0.88m
00:19AM0.48m
1:02PM0.76m
00:55AM0.40m
1:30PM0.66m
1:31AM0.38m
2:00PM0.57m
2:09AM0.44m
2:32PM0.52m
2:49AM0.56m
3:07PM0.50m
3:33AM0.75m
3:45PM0.52m
4:23AM0.97m
4:29PM0.57m
5:25AM1.20m
5:21PM0.66m
6:47AM1.37m
6:28PM0.74m
8:51AM1.39m
7:53PM0.76m
10:32AM1.24m
9:21PM0.70m
Wave
height (m) 
direction
period (s) 
0.2
W
4
0.3
SE
3
0.9
ESE
4
2.1
SSW
6
1.7
SW
6
0.9
SW
6
0.7
SW
6
0.6
SSW
7
0.4
SW
8
0.4
SW
7
0.4
W
4
0.2
SSW
7
0.5
ESE
3
1.2
E
5
1.1
E
6
0.8
E
6
1.3
E
6
1.4
E
7
1.6
ENE
8
2.2
ENE
7
1.5
ENE
7
1.3
ENE
6
0.9
ENE
6
1.1
E
4
1
E
4
1
SSW
5
0.8
WSW
4
1
W
5
0.7
WNW
7
0.4
WNW
6
0.6
E
3
1.5
E
6
1.3
E
6
0.8
E
6
0.9
NNW
4
1.5
NNW
6
0.9
NNW
4
0.6
NW
4
0.2
SSW
5
0.1
SW
6
0.4
WSW
4
0.7
ESE
3
1.2
ESE
5
1.3
SSE
5
1.6
W
5
1.2
WNW
5
0.5
WSW
6
part cloud
light rain
heavy rain
heavy rain
rain showers
part cloud
clear
part cloud
clear
cloud
part cloud
cloud
heavy rain
heavy rain
cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
rain showers
rain showers
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
clear
part cloud
clear
part cloud
part cloud
cloud
cloud
cloud
cloud
mod rain
heavy rain
part cloud
clear
part cloud
some clouds
light rain
heavy rain
heavy rain
rain shwrs
some clouds
clear
some clouds
clear
cloudy
some clouds
cloudy
heavy rain
heavy rain
cloudy
some clouds
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
cloudy
rain shwrs
rain shwrs
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
clear
some clouds
clear
some clouds
some clouds
cloudy
cloudy
cloudy
cloudy
mod rain
heavy rain
some clouds
clear
some clouds
 km/h
5
N
10
SSE
20
SSE
35
SSW
30
SW
20
WNW
20
WNW
10
W
10
NW
10
NNW
5
NW
5
E
10
SSE
30
E
20
ENE
20
NE
30
ENE
30
ENE
30
ENE
30
ENE
30
E
25
E
10
ESE
20
SE
15
SSE
20
SSW
25
W
20
WNW
5
WNW
10
NNE
25
E
25
ESE
15
E
15
ENE
20
NW
25
NNW
20
NW
10
WNW
5
WSW
0
NNW
5
WSW
15
SE
20
SE
30
SW
30
WNW
20
WNW
5
WSW
 mm 
1
13
19
7
13
18
2
5
9
17
max°C
14
15
18
19
19
14
15
15
17
17
16
20
16
13
14
15
14
14
15
13
15
16
17
18
19
20
13
13
12
17
18
14
18
18
14
14
14
13
16
17
14
14
18
18
14
15
15
Moonrise
12:58
1:44
2:25
3:01
3:33
4:02
4:30
4:58
5:29
6:03
6:42
7:30
8:27
9:32
10:42
Moonset
10:32
11:30
12:30
1:32
2:35
3:38
4:43
5:50
7:00
8:13
9:29
10:43
11:51
12:49
Sunrise
6:11
6:11
6:09
6:07
6:07
6:05
6:03
6:03
6:01
6:01
5:58
5:58
5:56
5:56
5:54
Sunset
6:58
6:59
7:00
7:00
7:00
7:01
7:02
7:02
7:04
7:05
7:06
7:06
7:07
7:07
7:08
7:08
Today's sea temperature in Cheju is
15.4° C
(Statistics for 08 Apr 1981-2005 – mean: 13.0 max: 14.5 min: 10.7°C)
Issued (local time): 2 pm Wednesday 08 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest