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 05:58 AM and sunset is at 06:30 PM.

Days 1–3 Weather Summary

Light rain (total 6mm), mostly falling on Sat night. Very warm air temperatures (max 31°C on Fri morning, min 29°C on Thu night). Mainly fresh winds.

Days 4–6 Weather Summary

Heavy rain (total 21mm), heaviest during Tue morning. Very warm air temperatures (max 30°C on Mon morning, min 27°C on Tue night). Wind will be generally light.

Days 7–9 Weather Summary

Moderate rain (total 12mm), heaviest on Fri morning. Warm (max 31°C on Thu afternoon, min 28°C on Fri night). Wind will be generally light.

Days 10–12 Weather Summary

Light rain (total 9mm), mostly falling on Sat night. Warm (max 32°C on Mon afternoon, min 29°C on Sat night). Winds increasing (light winds from the SW on Mon morning, fresh winds from the S by Tue afternoon).

Friday
25
Saturday
26
Sunday
27
Monday
28
Tuesday
29
Wednesday
30
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
Tue
6
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
3:09PM2.70m
3:37AM3.35m
4:26PM3.03m
3:56AM3.32m
5:27PM3.35m
4:17AM3.31m
6:21PM3.62m
4:39AM3.32m
7:14PM3.80m
8:06PM3.87m
9:00PM3.85m
9:58PM3.76m
11:02PM3.64m
00:10AM3.54m
1:11AM3.46m
Low Tide
9:55AM2.08m
9:01PM1.82m
10:14AM1.68m
10:02PM2.01m
10:41AM1.25m
10:58PM2.22m
11:12AM0.85m
11:50PM2.45m
11:47AM0.53m
00:39AM2.67m
12:25PM0.34m
1:29AM2.86m
1:05PM0.29m
2:21AM3.01m
1:48PM0.38m
3:22AM3.09m
2:34PM0.58m
4:57AM3.08m
3:23PM0.86m
4:19PM1.18m
5:26PM1.50m
Wave
height (m) 
direction
period (s) 
0.3
S
3
0.4
SSW
3
0.6
S
3
0.4
S
3
0.5
S
3
0.4
S
3
0.3
SSW
2
0.3
SSW
2
0.4
S
3
0.3
S
3
0.4
SSW
3
0.4
S
3
0.1
SW
2
0.1
W
2
0.1
E
2
0.1
NW
2
0.1
W
2
0.3
SSW
2
0.1
SW
2
0.2
SSW
2
0.2
SSW
2
0.1
SW
2
0.2
SSW
2
0.2
WSW
2
0.1
NW
2
0.1
SW
2
0.5
S
3
0.2
S
2
0.2
S
2
0.4
SSE
3
0.1
S
2
0.2
S
2
0.3
S
3
0.2
W
2
0.2
SSW
2
clear
clear
part cloud
thunderstorm
clear
thunderstorm
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
rain showers
part cloud
part cloud
clear
clear
part cloud
clear
thunderstorm
thunderstorm
thunderstorm
part cloud
clear
rain showers
part cloud
part cloud
rain showers
thunderstorm
clear
thunderstorm
clear
clear
clear
clear
some clouds
risk tstorm
clear
risk tstorm
some clouds
some clouds
some clouds
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
rain shwrs
some clouds
some clouds
clear
clear
some clouds
clear
risk tstorm
risk tstorm
risk tstorm
some clouds
clear
rain shwrs
some clouds
some clouds
rain shwrs
risk tstorm
clear
risk tstorm
clear
clear
 km/h
20
S
25
SSW
30
S
20
S
25
S
20
S
20
S
25
S
20
S
15
S
25
S
20
S
10
SW
10
N
5
E
10
NNW
10
SW
15
S
10
SW
15
SSW
15
SSW
15
SSW
15
S
10
NNW
5
NW
15
SSW
25
S
10
SSW
15
S
20
S
10
WSW
15
S
15
S
15
NW
20
S
 mm 
1
4
4
1
3
10
2
1
4
2
6
4
1
2
1
max°C
31
31
29
31
31
29
30
31
29
30
30
29
29
29
28
29
29
29
30
31
29
31
30
29
29
30
29
30
31
29
31
32
30
31
32
Moonrise
3:43
4:27
5:12
6:00
6:54
7:53
8:56
9:59
11:01
11:59
12:52
1:41
Moonset
4:05
5:03
6:04
7:08
8:15
9:23
10:27
11:26
12:18
1:03
1:43
Sunrise
5:58
5:58
5:58
5:56
5:56
5:56
5:56
5:54
5:54
5:54
5:54
5:54
Sunset
6:30
6:30
6:30
6:30
6:30
6:30
6:30
6:30
6:31
6:31
6:31
6:31
Today's sea temperature in Ko Si Chang is 30.6 °C (Statistics for 25 Apr 1981-2005 – mean: 30.1 max: 30.8 min: 29.4°C)
Issued (local time): 12 am Friday 25 Apr 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest