Chiachi Island (east side) Sea Conditions and Tide Table

Chiachi Island (east side) 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 10:03 AM and sunset is at 05:01 PM.

Days 1–3 Weather Summary

Mostly dry. Icy conditions (max 3°C on Fri afternoon, min -4°C on Thu morning). Winds decreasing (fresh winds from the NW on Fri morning, light winds from the NW by Sat morning).

Days 4–6 Weather Summary

Light rain (total 3mm), mostly falling on Mon morning. Icy conditions (max 4°C on Tue night, min -3°C on Sun morning). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Freeze-thaw conditions (max 4°C on Wed morning, min -8°C on Thu night). Winds increasing (light winds from the NW on Wed afternoon, near gales from the NNW by Fri night).

Days 10–12 Weather Summary

Mostly dry. Temperatures will be below freezing (max 0°C on Mon afternoon, min -9°C on Sat night). Mainly fresh winds.

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
12:41PM2.54m
2:23AM1.87m
1:18PM2.60m
2:57AM1.92m
1:54PM2.62m
3:31AM1.94m
2:29PM2.62m
4:05AM1.94m
3:05PM2.56m
4:39AM1.94m
3:41PM2.47m
5:14AM1.94m
4:21PM2.32m
5:51AM1.97m
5:07PM2.13m
6:31AM2.03m
6:01PM1.91m
7:15AM2.12m
7:11PM1.69m
8:04AM2.24m
8:38PM1.55m
8:58AM2.40m
10:14PM1.53m
Low Tide
6:47AM1.44m
8:02PM-0.09m
7:25AM1.43m
8:35PM-0.17m
8:03AM1.41m
9:08PM-0.22m
8:40AM1.37m
9:41PM-0.25m
9:18AM1.34m
10:15PM-0.24m
9:58AM1.30m
10:49PM-0.19m
10:42AM1.26m
11:25PM-0.08m
11:32AM1.21m
00:03AM0.10m
12:31PM1.12m
00:45AM0.34m
1:40PM0.98m
1:33AM0.62m
2:57PM0.75m
2:28AM0.90m
4:15PM0.42m
3:32AM1.13m
Wave
height (m) 
direction
period (s) 
0.5
WNW
3
0.5
SSW
6
0.6
SSW
6
0.8
W
4
0.8
WNW
4
0.4
SSW
7
0.3
SSE
12
0.5
S
7
0.9
WSW
5
0.4
SSW
7
0.5
SW
5
0.6
SW
5
0.6
WSW
4
0.6
SW
5
0.4
S
10
0.4
SSE
10
0.3
NNW
3
0.2
E
9
0.2
E
8
0.2
E
8
0.1
SE
11
0.2
ESE
9
0.8
W
4
0.9
WNW
4
1.2
W
6
1.2
WNW
6
1.5
NW
5
0.6
S
12
0.6
S
12
0.9
SSE
12
0.8
SSE
11
0.8
SSE
11
0.8
SE
11
0.6
SE
10
0.6
SSE
10
0.7
SE
10
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
rain showers
rain showers
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
some clouds
rain shwrs
rain shwrs
clear
clear
some clouds
some clouds
clear
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
cloudy
clear
 km/h
20
NW
15
W
20
NW
35
NW
35
NW
15
WNW
15
NW
20
WNW
25
WNW
15
NW
15
WNW
20
WNW
10
NW
20
WNW
15
WNW
15
NNW
20
NNW
10
NNW
15
N
10
NW
10
NNW
10
NW
30
NW
30
NW
50
NNW
45
NNW
50
NNW
25
NNW
15
NW
30
NNW
30
NNW
25
NNW
15
NW
20
NW
15
NNW
20
NW
 mm 
1
2
max°C
-2
2
2
2
3
1
-1
-1
-2
-3
-1
0
2
2
2
-1
2
4
4
3
1
2
-1
-7
-8
-7
-6
-6
-5
-7
-7
-5
-3
-3
0
-2
Moonrise
9:48
10:51
11:37
12:06
12:25
12:37
12:46
12:53
12:59
1:05
1:12
1:22
Moonset
3:17
4:02
5:05
6:22
7:46
9:11
10:35
12:00
1:25
2:53
4:27
Sunrise
10:03
10:03
10:03
10:04
10:04
10:04
10:06
10:06
10:06
10:06
10:06
10:06
Sunset
5:01
5:02
5:02
5:04
5:04
5:05
5:06
5:06
5:07
5:07
5:08
5:09
Today's sea temperature in Chiachi Island (east side) is
6.0° C
(Statistics for 18 Dec 1981-2005 – mean: 5.0 max: 6.5 min: 3.8°C)
Issued (local time): 8 am Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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