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 07:09 PM.

Days 1–4 Weather Summary

Mostly dry. Very warm air temperatures (max 31°C on Wed morning, min 26°C on Mon night). Wind will be generally light.

Days 5–7 Weather Summary

Light rain (total 2mm), mostly falling on Sat night. Very warm air temperatures (max 32°C on Fri afternoon, min 27°C on Fri night). Wind will be generally light.

Days 8–10 Weather Summary

Moderate rain (total 14mm), heaviest on Sun afternoon. Warm (max 30°C on Sun afternoon, min 23°C on Tue night). Wind will be generally light.

Days 11–13 Weather Summary

Mostly dry. Warm (max 27°C on Wed afternoon, min 22°C on Fri night). Winds decreasing (fresh winds from the ENE on Thu morning, light winds from the NNE by Fri night).

Days 14–17 Weather Summary

Heavy rain (total 39mm), heaviest during Tue afternoon. Warm (max 28°C on Mon morning, min 23°C on Sat night). Wind will be generally light.

Mon
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
31
Tuesday
1
Wednesday
2
Thursday
3
Friday
4
Saturday
5
Sunday
6
Monday
7
Tuesday
8
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
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
High Tide
8:24PM2.52m
8:01AM2.15m
8:53PM2.49m
8:27AM2.15m
9:20PM2.42m
8:52AM2.12m
9:46PM2.31m
9:19AM2.05m
10:11PM2.17m
9:50AM1.96m
10:38PM2.01m
10:30AM1.85m
11:10PM1.84m
11:35AM1.72m
00:01AM1.65m
1:59PM1.69m
2:07AM1.52m
3:50PM1.86m
3:46AM1.55m
4:58PM2.12m
4:50AM1.68m
5:49PM2.38m
5:38AM1.84m
6:33PM2.59m
6:20AM2.01m
7:14PM2.72m
6:59AM2.15m
7:52PM2.76m
7:37AM2.24m
Low Tide
1:44PM0.03m
2:19AM0.61m
2:15PM-0.01m
2:47AM0.60m
2:45PM0.01m
3:15AM0.62m
3:16PM0.09m
3:45AM0.66m
3:48PM0.23m
4:17AM0.70m
4:24PM0.41m
4:53AM0.75m
5:06PM0.64m
5:38AM0.80m
6:02PM0.88m
6:38AM0.83m
7:30PM1.08m
8:02AM0.80m
9:49PM1.10m
9:37AM0.65m
11:20PM0.94m
10:49AM0.41m
00:08AM0.76m
11:42AM0.15m
00:46AM0.61m
12:28PM-0.07m
1:21AM0.50m
1:10PM-0.21m
1:55AM0.43m
Wave
Height (m)
Direction
Period (s)
0.4
SW
9
0.4
SW
9
0.2
SSW
9
0.3
SE
17
0.3
SE
16
0.3
SE
15
0.4
SE
14
0.4
SE
13
0.3
SSE
12
0.4
ESE
4
0.3
S
10
0.4
SE
4
0.6
E
3
0.4
SSE
5
0.5
SE
3
0.9
ESE
4
0.7
SE
4
0.6
SSW
4
0.8
SW
4
0.4
SW
9
0.4
SW
4
0.4
NNW
3
0.2
WNW
4
0.4
NW
3
0.4
NNW
3
0.7
NNW
4
0.4
NNW
4
0.6
ENE
4
1
E
5
2
E
7
2.2
E
8
2.5
ENE
8
2.4
E
8
1.9
E
8
1.4
E
8
1
E
6
0.6
E
6
0.4
E
7
0.3
E
6
0.3
E
5
0.3
E
5
0.3
E
4
0.4
E
3
0.3
E
4
0.5
E
3
0.5
E
3
0.6
E
4
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
rain shwrs
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
some clouds
some clouds
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
risk tstorm
risk tstorm
risk tstorm
km/h
5
WNW
5
S
10
NNW
10
NNE
5
NE
10
NE
15
ENE
5
ESE
15
E
15
ENE
5
SE
10
ESE
5
SE
10
SSE
10
SSE
10
SSE
10
S
10
SSW
15
WSW
10
SSW
15
W
15
N
5
N
10
N
15
N
10
NNW
15
NE
25
NE
25
ENE
35
ENE
35
ENE
35
ENE
35
NE
25
NE
20
ENE
20
ENE
10
NNE
5
E
10
NNE
10
NNE
0
ESE
15
E
15
NE
5
ESE
15
E
10
ENE
10
ESE
 mm
1
1
6
5
2
1
5
17
14
max °C
30
27
30
30
28
31
31
29
31
31
29
31
32
28
31
31
27
30
30
27
29
26
25
27
27
24
27
27
26
25
26
25
24
26
24
26
26
23
26
26
24
28
28
26
26
25
25
Moonrise
4:56
5:34
6:08
6:38
7:06
7:33
7:59
8:28
8:59
9:36
10:20
11:13
12:15
1:24
2:36
Moonset
2:48
3:49
4:50
5:51
6:51
7:53
8:55
10:00
11:08
12:18
1:28
2:34
3:33
4:24
5:06
Sunrise
6:01
6:03
6:03
6:03
6:05
6:05
6:05
6:07
6:07
6:07
6:09
6:09
6:09
6:11
6:11
Sunset
7:09
7:08
7:07
7:06
7:05
7:04
7:02
7:00
7:00
6:59
6:57
6:55
6:54
6:53
6:52
6:51
Today's sea temperature in Cheju is
28.4°C
(Statistics for 24 Aug 1981-2005 – mean: 26.7 max: 28.2 min: 25.0°C)
Issued (local time): 2 pm Monday 24 Aug 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest