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 06:00 AM and sunset is at 06:30 PM.

Days 1–3 Weather Summary

Mostly dry. Very warm air temperatures (max 31°C on Thu afternoon, min 28°C on Mon night). Mainly fresh winds.

Days 4–6 Weather Summary

Moderate rain (total 16mm), heaviest on Sun afternoon. Very warm air temperatures (max 31°C on Sat afternoon, min 26°C on Sun afternoon). Mainly fresh winds.

Days 7–9 Weather Summary

Heavy rain (total 25mm), heaviest during Mon morning. Warm (max 30°C on Tue morning, min 27°C on Sun night). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Warm (max 30°C on Thu afternoon, min 28°C on Wed night). Wind will be generally light.

Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sunday
27
Monday
28
Tuesday
29
Wednesday
30
Thursday
1
Friday
2
Sat
3
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
2:28AM3.39m
2:56AM3.40m
12:54PM2.49m
3:18AM3.38m
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
Low Tide
5:08PM1.36m
6:31PM1.51m
9:57AM2.40m
7:51PM1.66m
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
Wave
height (m) 
direction
period (s) 
0.3
SSW
2
0.4
SSW
3
0.6
SSW
4
0.4
SSW
3
0.3
SSW
3
0.6
S
4
0.4
SSW
3
0.5
S
3
0.6
SSW
4
0.1
SW
2
0.2
S
2
0.5
S
3
0.2
S
2
0.4
SSW
3
0.3
S
2
0.3
S
3
0.4
S
3
0.1
SE
2
0.1
S
2
0
E
2
0.3
S
2
0.2
S
2
0.3
SSW
3
0.3
S
3
0.1
SW
2
0.1
SW
2
0.3
SSW
3
0.2
SSW
2
0.1
S
2
0.5
S
3
0.4
SSW
3
0.3
SSW
3
0.5
S
3
0.2
SSW
2
0.3
SSW
2
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
thunderstorm
mod rain
light rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
rain shwrs
risk tstorm
mod rain
light rain
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
 km/h
20
S
25
SSW
30
SSW
25
SSW
20
S
30
S
20
SSW
25
S
30
SSW
10
S
20
S
25
S
15
S
25
SSW
20
S
15
SSW
15
ENE
10
SSE
10
E
5
N
15
SSE
15
SSE
20
S
20
S
10
SW
10
SSW
20
S
10
SW
15
S
25
S
20
SSW
15
S
25
S
15
SSW
20
S
 mm 
1
6
9
3
5
5
4
3
1
1
1
2
max°C
30
30
29
30
30
29
30
31
29
30
30
29
30
31
29
30
26
28
29
28
29
30
30
29
29
29
29
29
30
29
30
30
29
30
30
Moonrise
1:34
2:18
3:01
3:43
4:27
5:12
6:00
6:54
7:53
8:56
9:59
11:01
Moonset
1:17
2:13
3:09
4:05
5:03
6:04
7:08
8:15
9:23
10:27
11:26
Sunrise
6:00
6:00
5:58
5:58
5:58
5:58
5:56
5:56
5:56
5:56
5:54
5:54
Sunset
6:30
6:30
6:30
6:30
6:30
6:30
6:30
6:30
6:30
6:30
6:30
6:31
Today's sea temperature in Ko Si Chang is 30.8 °C (Statistics for 22 Apr 1981-2005 – mean: 30.1 max: 30.8 min: 29.4°C)
Issued (local time): 12 am Tuesday 22 Apr 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest