Ansan Sea Conditions and Tide Table

Ansan 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 05:24 AM and sunset is at 07:51 PM.

Days 1–3 Weather Summary

Heavy rain (total 67mm), heaviest during Fri night. Warm air temperatures (max 28°C on Sun afternoon, min 23°C on Fri morning). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Very warm air temperatures (max 33°C on Wed afternoon, min 24°C on Mon night). Wind will be generally light.

Days 7–9 Weather Summary

Heavy rain (total 71mm), heaviest during Sat night. Warm (max 35°C on Thu afternoon, min 25°C on Fri afternoon). Winds increasing (light winds from the SSE on Thu afternoon, fresh winds from the ENE by Fri afternoon).

Days 10–12 Weather Summary

Moderate rain (total 19mm), heaviest on Sun morning. Warm (max 29°C on Mon morning, min 24°C on Mon night). Winds decreasing (fresh winds from the SSW on Mon morning, calm by Wed morning).

Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sunday
27
Monday
28
Tuesday
29
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
11:07AM6.00m
11:47PM5.93m
11:57AM5.52m
00:49AM5.77m
12:56PM5.05m
1:58AM5.65m
2:04PM4.67m
3:10AM5.64m
3:17PM4.49m
4:19AM5.75m
4:26PM4.53m
5:22AM5.95m
5:28PM4.73m
6:17AM6.17m
6:22PM5.00m
7:03AM6.34m
7:09PM5.28m
7:43AM6.43m
7:51PM5.52m
8:19AM6.42m
8:29PM5.69m
8:52AM6.32m
9:06PM5.78m
Low Tide
5:39PM0.43m
6:07AM1.20m
6:25PM0.71m
7:07AM1.69m
7:18PM1.03m
8:27AM2.08m
8:29PM1.28m
10:07AM2.14m
9:58PM1.33m
11:27AM1.89m
11:15PM1.13m
12:24PM1.55m
00:14AM0.83m
1:09PM1.22m
1:02AM0.56m
1:47PM0.95m
1:43AM0.38m
2:21PM0.75m
2:20AM0.32m
2:52PM0.61m
2:54AM0.37m
3:21PM0.54m
3:27AM0.52m
Wave
height (m) 
direction
period (s) 
thunderstorm
mod rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
light rain
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
cloud
light rain
heavy rain
light rain
heavy rain
heavy rain
light rain
thunderstorm
mod rain
rain showers
rain showers
rain showers
clear
clear
clear
risk tstorm
mod rain
risk tstorm
risk tstorm
risk tstorm
risk tstorm
light rain
some clouds
some clouds
some clouds
some clouds
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
clear
some clouds
some clouds
cloudy
light rain
heavy rain
light rain
heavy rain
heavy rain
light rain
risk tstorm
mod rain
rain shwrs
rain shwrs
rain shwrs
clear
clear
clear
 km/h
10
SSE
10
SE
5
SE
10
ESE
25
SSW
10
SE
10
ESE
10
SSE
5
S
5
SSW
15
W
0
W
0
E
15
W
5
NW
5
NE
5
WNW
5
ENE
10
E
10
ESE
15
E
25
ENE
30
ENE
30
ENE
25
E
30
E
25
E
25
SE
20
SSE
20
SSE
25
S
30
SW
15
SW
10
WSW
15
W
5
SW
 mm 
1
6
30
10
12
7
1
1
13
3
16
38
5
3
6
2
2
1
max°C
24
25
24
27
27
25
24
28
27
29
29
26
29
30
27
31
33
31
34
35
30
29
28
25
26
26
27
28
28
27
29
28
25
28
29
26
Moonrise
11:57
12:32
1:14
2:06
3:08
4:18
5:30
6:41
7:48
8:52
9:54
Moonset
1:08
2:21
3:36
4:50
5:58
6:57
7:45
8:23
8:54
9:20
9:44
10:06
Sunrise
5:24
5:24
5:26
5:26
5:28
5:28
5:28
5:30
5:31
5:31
5:31
5:33
Sunset
7:51
7:51
7:50
7:50
7:49
7:47
7:46
7:46
7:45
7:45
7:44
7:43
Today's sea temperature in Ansan is 25.7 °C (Statistics for 18 Jul 1981-2005 – mean: 23.1 max: 25.6 min: 19.6°C)
Issued (local time): 8 am Friday 18 Jul 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest