Ko Si Chang Sea Conditions and Tide Table

Ko Si Chang 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 05:47 PM.

Days 1–3 Weather Summary

Light rain (total 3mm), mostly falling on Fri afternoon. Warm air temperatures (max 29°C on Fri morning, min 24°C on Sun night). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Warm air temperatures (max 29°C on Mon afternoon, min 22°C on Tue night). Winds decreasing (fresh winds from the NE on Tue morning, light winds from the NNW by Wed afternoon).

Days 7–9 Weather Summary

Mostly dry. Warm (max 27°C on Thu afternoon, min 21°C on Fri night). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Warm (max 28°C on Sun afternoon, min 21°C on Sun night). Winds decreasing (fresh winds from the NE on Sun night, light winds from the NE by Mon afternoon).

Friday
5
Saturday
6
Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
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
2:57PM3.35m
7:08AM3.97m
3:34PM3.36m
7:53AM4.04m
4:14PM3.35m
8:39AM4.02m
4:56PM3.29m
9:23AM3.94m
5:40PM3.16m
10:05AM3.83m
6:28PM2.96m
10:44AM3.70m
7:29PM2.71m
11:19AM3.58m
9:09PM2.45m
11:49AM3.46m
11:52PM2.32m
12:15PM3.36m
3:03AM2.51m
12:38PM3.28m
4:32AM2.84m
1:00PM3.21m
5:19AM3.14m
Low Tide
11:26AM3.06m
10:59PM0.16m
12:22PM3.14m
11:41PM0.05m
1:16PM3.18m
00:25AM0.06m
2:09PM3.15m
1:09AM0.21m
3:08PM3.07m
1:53AM0.47m
4:17PM2.91m
2:35AM0.81m
5:32PM2.67m
3:18AM1.21m
6:36PM2.38m
4:01AM1.64m
7:23PM2.07m
8:01PM1.75m
8:34PM1.46m
7:42AM2.73m
9:07PM1.20m
Wave
height (m) 
direction
period (s) 
0.4
NE
3
0.2
ENE
2
0.1
NE
2
0.3
NE
2
0.1
N
2
0.2
ENE
2
0.1
NE
2
0
E
2
0.1
NE
2
0.5
NE
3
0.3
ENE
3
0.3
NE
2
0.6
NE
3
0.4
NE
3
0.3
NE
3
0.4
NE
3
0.1
NE
2
0.1
NE
2
0.2
NNW
2
0.1
NW
2
0.4
NE
3
0.3
NE
2
0.3
NE
3
0.2
ENE
2
0.3
NE
3
0.1
NW
2
0.4
NE
3
0.5
NE
3
0.4
NE
3
0.6
NE
3
0.4
NE
3
0.1
NE
2
0.2
ENE
2
0.2
NNE
2
0.1
NW
2
0.1
N
1
clear
thunderstorm
thunderstorm
clear
clear
clear
clear
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
cloud
part cloud
part cloud
clear
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
risk tstorm
risk tstorm
clear
clear
clear
clear
some clouds
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
cloudy
some clouds
some clouds
clear
some clouds
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
 km/h
20
ENE
10
NE
10
NE
15
NE
10
NNW
15
ENE
15
NE
10
N
15
ENE
25
NE
20
ENE
20
NE
30
NE
20
NE
20
NE
20
NE
5
NNW
10
NNE
15
N
10
N
25
NE
15
NE
15
NE
15
NE
15
NE
20
NW
20
NE
30
NE
20
NE
25
NE
25
NNE
10
NNE
15
ENE
15
NNE
10
NW
10
NNE
 mm 
2
1
max°C
29
29
27
28
29
27
28
29
28
27
29
26
26
28
25
26
26
25
26
27
24
25
26
23
26
27
26
26
28
23
26
27
25
25
28
27
Moonrise
6:08
7:16
8:23
9:26
10:23
11:16
12:06
12:52
1:39
2:25
3:13
Moonset
6:32
7:40
8:45
9:42
10:32
11:15
11:55
12:31
1:06
1:41
2:17
2:55
Sunrise
6:24
6:24
6:26
6:26
6:26
6:26
6:28
6:28
6:28
6:30
6:30
6:31
Sunset
5:47
5:49
5:49
5:49
5:50
5:50
5:50
5:51
5:51
5:51
5:52
5:52
Today's sea temperature in Ko Si Chang is
26.9° C
(Statistics for 05 Dec 1981-2005 – mean: 28.2 max: 29.5 min: 27.0°C)
Issued (local time): 6 am Friday 05 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest