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 07:11 AM and sunset is at 06:22 PM.

Days 1–3 Weather Summary

Heavy rain (total 62mm), heaviest during Tue afternoon. Cool air temperatures (max 17°C on Sun morning, min 4°C on Sun night). Winds increasing (light winds from the E on Mon night, fresh winds from the NE by Tue afternoon).

Days 4–6 Weather Summary

Moderate rain (total 17mm), heaviest on Fri morning. Cool air temperatures (max 12°C on Thu afternoon, min 8°C on Fri night). Winds decreasing (fresh winds from the ENE on Thu night, light winds from the NNW by Fri afternoon).

Days 7–9 Weather Summary

Heavy rain (total 48mm), heaviest during Mon night. Very mild (max 16°C on Mon night, min 8°C on Sat morning). Winds decreasing (fresh winds from the E on Mon afternoon, light winds from the SSE by Mon night).

Days 10–12 Weather Summary

Light rain (total 7mm), mostly falling on Wed afternoon. Freeze-thaw conditions (max 16°C on Tue morning, min 0°C on Thu night). Winds increasing (light winds from the WNW on Tue morning, fresh winds from the NNW by Thu afternoon).

Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
1
Monday
2
Tuesday
3
Wednesday
4
Thursday
5
Friday
6
Saturday
7
Sunday
8
Mon
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
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
Wave Height Map
High Tide
2:52PM1.77m
4:22AM2.10m
4:19PM1.82m
5:29AM2.38m
5:19PM1.95m
6:19AM2.64m
6:07PM2.11m
7:03AM2.84m
6:48PM2.26m
7:43AM2.95m
7:27PM2.39m
8:21AM2.97m
8:04PM2.46m
8:57AM2.91m
8:39PM2.46m
9:31AM2.77m
9:14PM2.40m
10:03AM2.58m
9:50PM2.30m
10:33AM2.36m
10:27PM2.15m
11:02AM2.13m
11:15PM1.99m
11:32AM1.91m
00:47AM1.85m
12:36PM1.71m
2:59AM1.87m
Low Tide
8:06AM1.26m
8:46PM0.98m
10:31AM1.25m
10:20PM0.79m
11:51AM1.09m
11:24PM0.53m
12:36PM0.93m
00:14AM0.28m
1:14PM0.80m
00:57AM0.09m
1:48PM0.71m
1:38AM-0.02m
2:21PM0.67m
2:16AM-0.03m
2:53PM0.67m
2:52AM0.06m
3:25PM0.71m
3:28AM0.24m
3:57PM0.77m
4:03AM0.47m
4:30PM0.86m
4:40AM0.75m
5:05PM0.96m
5:20AM1.03m
5:46PM1.06m
6:15AM1.30m
6:43PM1.16m
8:04AM1.48m
Wave
height (m) 
direction
period (s) 
1.4
SW
5
1.1
WSW
5
1.4
NW
5
0.8
WNW
6
0.4
WNW
6
0.5
E
3
1.2
ENE
5
2.1
ENE
6
1.7
ENE
7
1.7
ENE
6
2.1
E
8
2.4
ENE
8
1.8
ENE
7
2
ENE
7
2.2
ENE
7
1.9
ENE
8
1.5
ENE
8
1
NW
4
0.9
NNW
4
0.5
N
5
0.8
E
4
0.7
ENE
6
1
ENE
5
1.4
E
6
1.6
E
6
1.7
E
6
1.5
ENE
6
0.9
E
6
1.3
NNE
5
2.5
NNW
7
2.1
NNW
6
1.5
NNW
6
1.5
NNW
5
1.9
NNW
6
2.3
NNW
6
1.9
NNW
6
1.5
NNW
6
1
NNW
5
0.7
NNW
4
0.5
NW
4
0.4
NW
4
0.6
NE
3
1
ENE
5
1
E
6
0.6
E
5
0.5
E
4
0.3
ENE
4
clear
clear
part cloud
part cloud
clear
rain showers
heavy rain
heavy rain
light rain
cloud
part cloud
cloud
cloud
cloud
mod rain
mod rain
light rain
part cloud
clear
clear
part cloud
cloud
light rain
light rain
light rain
heavy rain
heavy rain
light rain
light rain
cloud
light rain
light rain
cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
clear
clear
some clouds
some clouds
clear
rain shwrs
heavy rain
heavy rain
light rain
cloudy
some clouds
cloudy
cloudy
cloudy
mod rain
mod rain
light rain
some clouds
clear
clear
some clouds
cloudy
light rain
light rain
light rain
heavy rain
heavy rain
light rain
light rain
cloudy
light rain
light rain
cloudy
some clouds
some clouds
some clouds
clear
clear
some clouds
some clouds
cloudy
cloudy
cloudy
cloudy
some clouds
cloudy
cloudy
 km/h
25
SSW
30
WNW
15
NNW
15
NNE
15
NNE
15
ESE
25
E
40
NE
30
ENE
30
ENE
30
ENE
30
ENE
30
ENE
30
ENE
30
ENE
30
NE
20
NNW
15
NNW
15
NNW
10
NE
10
ESE
15
E
20
ENE
25
E
25
E
30
E
10
SE
5
WNW
20
NNW
30
NNW
25
NNW
20
NNW
20
NNW
30
NNW
35
N
30
NNW
25
N
20
NNW
10
NNW
10
N
15
N
20
NE
25
ENE
20
ENE
15
E
15
ENE
10
NNE
 mm 
3
19
39
1
7
7
3
1
4
5
17
21
1
2
1
3
max°C
17
13
6
6
8
10
12
9
9
10
10
10
11
12
12
10
10
9
10
12
10
12
12
11
12
13
16
16
12
8
3
3
3
3
3
1
2
3
4
7
7
9
11
11
10
11
11
Moonrise
9:32
10:08
10:51
11:42
12:42
1:50
3:00
4:10
5:18
6:23
7:25
8:25
9:24
10:24
11:24
Moonset
11:34
12:45
1:57
3:04
4:05
4:56
5:39
6:14
6:45
7:13
7:39
8:05
8:32
9:01
9:35
Sunrise
7:11
7:09
7:09
7:07
7:07
7:05
7:03
7:03
7:01
7:01
6:58
6:58
6:56
6:56
6:54
6:52
Sunset
6:22
6:23
6:24
6:25
6:27
6:28
6:28
6:29
6:30
6:30
6:31
6:32
6:32
6:34
6:35
6:36
Today's sea temperature in Cheju is
14.8° C
(Statistics for 22 Feb 1981-2005 – mean: 12.3 max: 13.4 min: 10.3°C)
Issued (local time): 2 am Sunday 22 Feb 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest