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 05:28 AM and sunset is at 07:32 PM.

Days 1–3 Weather Summary

Heavy rain (total 35mm), heaviest during Tue afternoon. Warm air temperatures (max 23°C on Mon morning, min 19°C on Sun morning). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Warm air temperatures (max 24°C on Wed afternoon, min 19°C on Thu night). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Warm (max 26°C on Sun afternoon, min 22°C on Sat night). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Warm (max 25°C on Tue morning, min 21°C on Wed night). Wind will be generally light.

Days 13–16 Weather Summary

Mostly dry. Warm (max 26°C on Sat morning, min 21°C on Sun night). Wind will be generally light.

Sunday
24
Monday
25
Tuesday
26
Wednesday
27
Thursday
28
Friday
29
Saturday
30
Sunday
31
Monday
1
Tuesday
2
Wednesday
3
Thursday
4
Friday
5
Saturday
6
Sunday
7
Mon
8
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
AM
PM
Wave Height Map
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High Tide
5:58PM2.24m
6:17AM2.60m
6:45PM2.36m
6:52AM2.52m
7:31PM2.44m
7:25AM2.42m
8:14PM2.48m
7:56AM2.30m
8:56PM2.49m
8:25AM2.18m
9:39PM2.47m
8:53AM2.06m
10:22PM2.42m
9:19AM1.95m
11:10PM2.36m
9:45AM1.85m
00:02AM2.31m
10:14AM1.76m
00:58AM2.27m
10:58AM1.67m
1:55AM2.27m
12:32PM1.61m
2:47AM2.29m
2:14PM1.63m
3:34AM2.33m
3:26PM1.71m
4:17AM2.37m
Low Tide
12:01PM0.77m
11:51PM0.70m
12:36PM0.64m
00:39AM0.76m
1:08PM0.53m
1:23AM0.84m
1:40PM0.47m
2:04AM0.93m
2:13PM0.44m
2:45AM1.02m
2:45PM0.45m
3:25AM1.12m
3:18PM0.48m
4:06AM1.21m
3:54PM0.54m
4:50AM1.30m
4:31PM0.62m
5:38AM1.37m
5:13PM0.69m
6:32AM1.41m
6:00PM0.76m
7:36AM1.41m
6:52PM0.81m
8:46AM1.36m
7:52PM0.85m
9:46AM1.24m
8:56PM0.86m
Wave
Height (m)
Direction
Period (s)
0.9
ENE
4
0.9
ENE
4
0.8
E
4
1
E
4
1.1
E
5
1.1
ESE
5
1.3
ESE
5
1.3
ESE
6
0.9
ESE
7
0.9
SE
7
0.9
ESE
6
0.6
SSE
6
0.6
WSW
6
0.6
W
4
0.6
W
3
0.8
WNW
4
0.8
NW
4
0.4
NW
4
0.3
WNW
3
0.3
W
3
0.4
WSW
3
0.2
W
4
0.2
SSW
6
0.2
SSW
7
0.2
SSW
7
0.2
SSW
6
0.1
SE
15
0.2
SSE
15
0.2
ESE
4
0.2
SSE
15
0.3
SE
14
0.4
NE
4
0.3
NW
3
0.3
NE
3
0.2
N
3
0.2
NNW
3
0.1
NW
2
0.1
NW
2
0.1
N
2
0.2
ENE
2
0.5
ENE
3
0.4
ENE
3
0.4
E
4
0.5
E
4
0.5
E
4
0.6
E
4
0.8
E
4
part cloud
cloud
part cloud
part cloud
light rain
mod rain
mod rain
mod rain
mod rain
part cloud
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
cloud
part cloud
clear
clear
some clouds
cloudy
some clouds
some clouds
light rain
mod rain
mod rain
mod rain
mod rain
some clouds
some clouds
cloudy
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
cloudy
cloudy
cloudy
cloudy
some clouds
clear
clear
km/h
20
E
15
E
10
ESE
25
ESE
20
SE
20
SE
15
SSE
10
SSE
5
SE
0
NNW
10
WNW
10
WNW
15
W
20
W
20
W
20
NW
20
NW
10
WSW
10
WSW
20
W
15
SW
15
W
15
WNW
5
SW
5
NW
5
N
0
SSE
10
ENE
15
NE
5
WNW
15
WNW
15
WNW
10
W
10
NNW
15
NW
5
W
10
NW
10
N
5
N
10
NE
15
ENE
5
SE
15
ENE
15
ENE
15
ENE
25
E
20
E
3
7
8
10
7
max °C
21
22
22
23
23
23
23
23
23
23
24
22
21
22
21
20
20
20
24
24
23
25
26
24
26
25
24
25
25
24
25
25
23
24
24
22
24
25
24
26
26
25
24
25
23
25
26
Moonrise
1:00
2:00
2:59
3:57
4:55
5:54
6:54
7:51
8:46
9:36
10:20
10:58
11:31
12:01
12:29
Moonset
1:21
1:49
2:14
2:40
3:07
3:36
4:09
4:47
5:31
6:20
7:15
8:13
9:12
10:12
11:12
12:12
Sunrise
5:28
5:28
5:26
5:26
5:26
5:26
5:24
5:24
5:24
5:24
5:24
5:24
5:24
5:22
5:22
5:22
Sunset
7:32
7:32
7:34
7:35
7:35
7:36
7:37
7:37
7:37
7:37
7:38
7:38
7:39
7:40
7:40
7:42
Today's sea temperature in Cheju is
19.0° C
(Statistics for 24 May 1981-2005 – mean: 17.6 max: 19.2 min: 16.2°C)
Issued (local time): 8 am Sunday 24 May 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest