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 06:35 AM and sunset is at 05:57 PM.

Days 1–3 Weather Summary

Mostly dry. Very warm air temperatures (max 31°C on Thu afternoon, min 24°C on Thu night). Winds decreasing (fresh winds from the ENE on Thu night, light winds from the N by Sat afternoon).

Days 4–6 Weather Summary

Mostly dry. Very warm air temperatures (max 30°C on Sun afternoon, min 25°C on Sun night). Wind will be generally light.

Days 7–9 Weather Summary

Moderate rain (total 11mm), heaviest on Fri night. Warm (max 28°C on Wed morning, min 25°C on Fri night). Wind will be generally light.

Days 10–12 Weather Summary

Some drizzle, heaviest during Sat morning. Warm (max 30°C on Sun afternoon, min 18°C on Sun night). Winds increasing (calm on Sat night, fresh winds from the NE by Sun night).

Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
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
Wave Height Map
High Tide
9:38AM3.75m
6:20PM2.81m
10:04AM3.69m
7:25PM2.64m
10:27AM3.61m
8:55PM2.47m
10:47AM3.52m
11:00PM2.39m
11:07AM3.44m
2:04AM2.55m
11:27AM3.39m
4:28AM2.97m
11:51AM3.36m
5:17AM3.36m
12:12PM3.33m
5:56AM3.68m
12:56PM3.33m
6:34AM3.88m
1:58PM3.31m
7:09AM3.99m
3:08PM3.28m
7:44AM4.02m
4:15PM3.23m
Low Tide
4:09PM2.76m
2:06AM0.98m
4:55PM2.57m
2:38AM1.27m
5:37PM2.31m
3:12AM1.64m
6:17PM1.99m
3:49AM2.06m
6:57PM1.63m
4:36AM2.52m
7:40PM1.24m
8:24PM0.87m
8:59AM3.21m
9:09PM0.57m
10:44AM3.27m
9:57PM0.33m
11:51AM3.25m
10:45PM0.19m
12:37PM3.18m
11:32PM0.16m
1:18PM3.06m
00:16AM0.25m
Wave
height (m) 
direction
period (s) 
0.2
N
2
0.1
NW
2
0.1
NE
2
0.7
ENE
4
0.1
NE
2
0.2
ENE
2
0.4
NE
3
0.1
E
2
0.2
ENE
2
0.3
NE
3
0.1
NE
2
0.1
E
2
0.3
NE
2
0.1
N
2
0.1
E
1
0.2
NNE
2
0.1
N
2
0
E
1
0
W
2
0.1
SW
2
0.3
SSW
3
0.1
SW
2
0.1
SW
2
0.3
SSW
3
0.1
SW
2
0.1
SW
2
0.1
S
2
0.1
NE
2
0.1
NE
2
0
W
2
0.6
ENE
3
0.4
NE
3
0.6
NE
4
0.6
NE
4
0.6
NE
3
0.6
NE
3
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
rain showers
cloud
light rain
thunderstorm
thunderstorm
clear
part cloud
part cloud
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
some clouds
rain shwrs
cloudy
light rain
risk tstorm
risk tstorm
clear
some clouds
some clouds
clear
clear
clear
clear
clear
 km/h
15
NNE
10
NW
15
NE
30
NE
10
NNE
15
ENE
20
NE
5
N
15
ENE
20
NE
10
NW
10
ENE
15
NE
5
NNW
10
NE
15
NE
10
NW
5
SE
0
W
10
SW
20
S
10
S
15
SW
20
SSW
10
SSW
5
W
5
SE
10
NE
5
NNW
5
ENE
35
ENE
25
ENE
35
NE
35
NE
35
NE
30
NE
 mm 
3
1
7
1
max°C
30
31
29
28
29
27
28
29
28
28
30
28
28
30
29
29
30
28
28
27
26
28
28
27
27
27
26
28
29
28
29
30
25
23
26
23
Moonrise
10:27
11:05
11:43
12:23
1:05
1:52
2:45
3:45
4:51
5:58
7:05
8:06
Moonset
10:28
11:18
12:09
1:03
2:00
3:01
4:07
5:15
6:22
7:24
8:18
Sunrise
6:35
6:35
6:35
6:37
6:37
6:37
6:37
6:37
6:39
6:39
6:39
6:39
Sunset
5:57
5:57
5:58
5:58
5:59
5:59
6:00
6:00
6:00
6:01
6:01
6:02
Today's sea temperature in Ko Si Chang is
27.4° C
(Statistics for 25 Dec 1981-2005 – mean: 27.5 max: 28.6 min: 25.9°C)
Issued (local time): 12 pm Thursday 25 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest