Tainan City Sea Conditions and Tide Table

Tainan City 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 06:33 AM and sunset is at 05:16 PM.

Days 1–3 Weather Summary

Light rain (total 9mm), mostly falling on Fri afternoon. Warm air temperatures (max 25°C on Thu afternoon, min 19°C on Fri night). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Warm air temperatures (max 25°C on Sun afternoon, min 18°C on Sun night). Wind will be generally light.

Days 7–9 Weather Summary

Light rain (total 3mm), mostly falling on Wed night. Warm (max 25°C on Wed afternoon, min 17°C on Thu night). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Warm (max 21°C on Sat afternoon, min 14°C on Sat night). Winds decreasing (fresh winds from the N on Sat afternoon, calm by Mon morning).

Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
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
10:00AM0.82m
7:13PM1.15m
10:49AM0.83m
7:51PM1.17m
11:32AM0.84m
8:34PM1.18m
12:13PM0.84m
9:18PM1.19m
12:52PM0.83m
10:02PM1.19m
1:28PM0.83m
10:46PM1.17m
2:02PM0.84m
11:30PM1.15m
2:31PM0.87m
00:19AM1.10m
2:58PM0.90m
1:15AM1.04m
3:22PM0.95m
2:23AM0.96m
3:46PM1.01m
3:45AM0.88m
4:15PM1.09m
Low Tide
12:59PM0.74m
3:01AM0.17m
1:37PM0.76m
3:42AM0.13m
2:15PM0.77m
4:24AM0.12m
2:54PM0.77m
5:06AM0.12m
3:34PM0.77m
5:46AM0.14m
4:17PM0.76m
6:23AM0.16m
5:07PM0.75m
6:59AM0.20m
6:04PM0.73m
7:35AM0.25m
7:11PM0.69m
8:11AM0.31m
8:27PM0.63m
8:50AM0.38m
9:45PM0.52m
9:33AM0.47m
10:58PM0.38m
Wave
height (m) 
direction
period (s) 
1
N
8
1.4
N
7
1.1
N
7
1.1
N
6
1.1
N
5
0.6
SSE
7
0.5
SSE
8
0.7
SSE
8
1
N
4
1.6
N
6
2.5
NNW
8
1.9
NNW
9
1.7
NNW
8
2.1
N
8
1.5
N
8
1.1
N
7
1.3
N
7
1
N
6
1.1
N
6
1.7
N
6
1.8
N
8
1.9
N
8
2.1
N
8
1.7
N
8
1.2
N
7
1.4
N
6
0.9
N
6
1.2
N
5
1.7
N
6
1.8
N
7
1.5
N
8
1.9
N
8
1.1
N
8
0.8
N
7
1
N
4
0.7
N
6
clear
part cloud
cloud
cloud
light rain
light rain
light rain
part cloud
part cloud
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
rain showers
rain showers
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
cloudy
cloudy
light rain
light rain
light rain
some clouds
some clouds
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
rain shwrs
rain shwrs
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
 km/h
5
NNW
20
NNW
10
N
20
N
20
NNE
10
N
5
N
10
N
15
N
15
N
25
N
15
N
15
NNW
20
N
15
N
10
NNW
20
NNW
15
N
15
N
25
N
15
NNE
20
N
25
N
15
N
10
NNW
20
NNW
15
N
25
N
30
N
20
N
10
N
15
N
10
N
5
N
15
NNW
10
NNE
 mm 
3
5
1
1
2
max°C
23
25
23
22
22
19
20
21
20
22
25
20
22
24
22
23
25
21
23
25
21
19
21
18
20
22
19
19
21
17
17
20
17
18
20
18
Moonrise
4:54
5:49
6:43
7:33
8:20
9:03
9:41
10:17
10:50
11:23
11:58
12:34
Moonset
3:40
4:27
5:19
6:15
7:11
8:08
9:05
10:00
10:56
11:52
12:51
Sunrise
6:33
6:33
6:33
6:35
6:35
6:35
6:35
6:37
6:37
6:37
6:37
6:37
Sunset
5:16
5:16
5:17
5:17
5:19
5:19
5:20
5:20
5:21
5:21
5:22
5:22
Today's sea temperature in Tainan City is
23.8° C
(Statistics for 18 Dec 1981-2005 – mean: 23.3 max: 24.8 min: 22.6°C)
Issued (local time): 7 am Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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