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 06:01 AM and sunset is at 06:30 PM.

Days 1–3 Weather Summary

Some drizzle, heaviest during Sun night. Very warm air temperatures (max 31°C on Mon afternoon, min 29°C on Sun night). Mainly fresh winds.

Days 4–6 Weather Summary

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

Days 7–9 Weather Summary

Mostly dry. Warm (max 31°C on Sun afternoon, min 28°C on Sun night). Mainly fresh winds.

Days 10–12 Weather Summary

Some drizzle, heaviest during Tue night. Warm (max 31°C on Wed morning, min 29°C on Tue night). Winds increasing (light winds from the SSW on Thu morning, fresh winds from the SSE by Fri afternoon).

Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
1
Saturday
2
Sunday
3
Monday
4
Tue
5
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
Wave Height Map
High Tide
8:14PM3.78m
9:10PM3.76m
10:12PM3.68m
11:24PM3.58m
00:40AM3.51m
1:43AM3.46m
2:26AM3.42m
12:50PM2.46m
2:57AM3.37m
3:13PM2.63m
3:21AM3.33m
4:28PM2.89m
3:42AM3.29m
5:22PM3.14m
4:02AM3.25m
6:06PM3.35m
4:22AM3.21m
6:46PM3.51m
4:41AM3.17m
7:24PM3.61m
Low Tide
12:41PM0.51m
1:40AM2.77m
1:20PM0.42m
2:28AM2.96m
2:04PM0.46m
3:29AM3.09m
2:51PM0.62m
5:08AM3.11m
3:46PM0.87m
4:50PM1.16m
6:07PM1.46m
9:27AM2.35m
7:27PM1.73m
9:43AM2.02m
8:40PM1.95m
10:07AM1.68m
9:41PM2.13m
10:33AM1.38m
10:35PM2.29m
10:59AM1.13m
11:23PM2.43m
11:26AM0.93m
00:07AM2.56m
11:54AM0.81m
00:50AM2.67m
Wave
height (m) 
direction
period (s) 
0.5
S
3
0.5
S
3
0.6
S
4
0.5
S
3
0.5
S
3
0.6
S
4
0.4
SSW
3
0.5
S
3
0.7
S
4
0.4
SSW
3
0.5
S
3
0.6
S
4
0.4
SSW
3
0.6
S
3
0.6
S
4
0.4
SSW
3
0.6
SSW
3
0.6
S
3
0.4
SSW
3
0.5
S
3
0.6
S
4
0.4
SSW
3
0.6
S
3
0.6
S
3
0.3
SSW
3
0.4
SSW
3
0.6
S
3
0.3
SSW
3
0.3
SSW
2
0.6
S
3
0.2
SSW
2
0.2
S
2
0.5
S
3
0.2
SSW
2
0.3
S
2
0.6
S
3
0.1
SW
2
0.2
S
2
0.4
S
3
0.2
W
2
0.3
S
2
0.4
SW
3
0.1
W
2
0.3
SSW
2
0.5
S
3
0.2
W
2
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
rain shwrs
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
risk tstorm
clear
 km/h
25
SSW
30
S
30
S
25
SSW
25
S
30
S
20
SSW
30
S
30
S
25
S
30
S
30
S
25
SSW
30
S
25
S
20
S
30
SSW
25
SSW
25
S
25
S
25
S
25
SSW
30
S
25
S
20
SSW
20
S
25
SSE
15
SW
20
S
30
S
15
SW
20
S
25
S
15
SW
20
S
30
S
5
WSW
20
SSE
20
S
10
SW
20
S
15
SW
5
WSW
20
SSE
25
S
10
WNW
 mm 
1
1
max°C
30
31
29
30
31
29
31
31
29
31
31
29
31
31
29
30
31
29
30
31
29
31
31
29
30
31
29
31
31
29
30
31
29
30
31
29
31
32
30
31
32
30
31
32
30
32
Moonrise
8:08
9:11
10:16
11:20
12:21
1:18
2:11
3:01
3:49
4:37
5:25
6:14
7:05
7:57
8:50
Moonset
9:36
10:42
11:43
12:38
1:27
2:10
2:50
3:27
4:03
4:40
5:17
5:57
6:40
7:26
8:16
Sunrise
6:01
6:01
6:00
6:00
5:58
5:58
5:58
5:58
5:56
5:56
5:56
5:56
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
6:30
6:30
6:30
6:30
6:30
6:31
6:31
Today's sea temperature in Ko Si Chang is
30.8° C
(Statistics for 20 Apr 1981-2005 – mean: 30.1 max: 30.8 min: 29.4°C)
Issued (local time): 12 am Monday 20 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest