Hikawa (Yonakuni Sima) Sea Conditions and Tide Table

Hikawa (Yonakuni Sima) 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 06:26 AM and sunset is at 07:09 PM.

Days 1–3 Weather Summary

Heavy rain (total 27mm), heaviest during Fri afternoon. Warm air temperatures (max 26°C on Thu morning, min 23°C on Sat afternoon). Wind will be generally light.

Days 4–6 Weather Summary

Light rain (total 4mm), mostly falling on Sun morning. Warm air temperatures (max 25°C on Mon afternoon, min 23°C on Sun morning). Winds increasing (calm on Mon morning, fresh winds from the SSE by Tue night).

Days 7–9 Weather Summary

Heavy rain (total 21mm), heaviest during Fri afternoon. Warm (max 26°C on Thu afternoon, min 24°C on Wed morning). Winds decreasing (fresh winds from the S on Wed night, light winds from the ENE by Fri night).

Days 10–12 Weather Summary

Moderate rain (total 13mm), heaviest on Mon night. Warm (max 26°C on Sat afternoon, min 25°C on Sat morning). Wind will be generally light.

Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Fri
1
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
PM
Wave Height Map
High Tide
6:37AM1.51m
7:09PM1.54m
7:02AM1.58m
7:46PM1.54m
7:26AM1.63m
8:23PM1.51m
7:52AM1.66m
9:00PM1.44m
8:20AM1.67m
9:39PM1.35m
8:48AM1.64m
10:22PM1.24m
9:19AM1.58m
11:16PM1.14m
9:55AM1.48m
00:36AM1.07m
10:43AM1.36m
2:40AM1.08m
12:11PM1.24m
4:00AM1.15m
2:33PM1.20m
4:38AM1.24m
4:10PM1.27m
5:08AM1.33m
5:13PM1.37m
5:35AM1.43m
6:01PM1.45m
6:01AM1.51m
Low Tide
12:52PM0.22m
1:05AM0.42m
1:25PM0.11m
1:32AM0.47m
1:58PM0.05m
1:59AM0.54m
2:33PM0.03m
2:24AM0.62m
3:09PM0.05m
2:50AM0.70m
3:48PM0.12m
3:17AM0.79m
4:33PM0.22m
3:47AM0.87m
5:28PM0.34m
4:28AM0.96m
6:44PM0.45m
6:14AM1.02m
8:22PM0.51m
9:07AM0.95m
9:45PM0.51m
10:24AM0.79m
10:41PM0.50m
11:10AM0.60m
11:24PM0.50m
11:48AM0.43m
00:00AM0.51m
Wave
height (m) 
direction
period (s) 
1.1
ESE
15
1.1
ESE
14
1.2
ESE
15
1.2
ESE
14
1.2
ESE
14
1.3
ESE
14
1.4
ESE
14
1.4
ESE
15
1.3
ESE
14
1.1
E
14
1
E
13
0.9
E
13
0.8
E
13
0.7
E
14
0.7
E
14
0.8
E
13
1
ESE
4
0.9
ESE
4
0.9
ESE
5
0.9
SSE
4
0.9
SSE
4
1
SSE
4
0.9
SSE
4
0.9
SSE
5
0.9
S
5
0.9
S
5
1
S
5
0.9
S
5
0.7
S
5
0.6
S
5
0.7
SSE
5
0.8
SSE
4
0.5
SE
5
0.5
S
3
0.6
S
4
0.6
S
5
0.7
S
5
0.7
S
5
0.7
S
5
0.7
SSE
6
0.8
SSE
5
0.9
S
4
0.9
S
5
0.9
S
5
1.1
S
5
1.1
S
5
1.1
S
5
clear
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
rain showers
thunderstorm
thunderstorm
thunderstorm
clear
clear
clear
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
clear
rain showers
thunderstorm
thunderstorm
rain showers
thunderstorm
thunderstorm
clear
clear
clear
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
some clouds
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
clear
some clouds
clear
clear
rain shwrs
risk tstorm
risk tstorm
risk tstorm
clear
clear
clear
risk tstorm
risk tstorm
risk tstorm
some clouds
risk tstorm
risk tstorm
risk tstorm
some clouds
risk tstorm
risk tstorm
clear
rain shwrs
risk tstorm
risk tstorm
rain shwrs
risk tstorm
risk tstorm
 km/h
10
SE
15
SSW
10
SSW
15
SSW
15
SSW
10
ESE
15
NE
20
NNE
20
NE
20
NE
15
NE
15
ENE
5
E
10
ESE
20
SSE
25
SE
30
SE
30
SE
25
SSE
30
SSE
30
S
30
S
25
SSE
30
S
25
S
20
SSW
20
E
20
ENE
10
ESE
20
SE
20
SSE
25
S
20
S
20
S
20
S
20
S
25
S
20
S
25
SSE
25
S
20
S
25
S
25
S
25
S
30
S
25
SSW
20
SSW
 mm 
1
4
9
2
4
7
3
1
3
5
9
4
1
2
3
1
5
1
4
2
1
2
1
5
5
4
max°C
26
26
26
25
25
25
24
23
23
23
23
24
24
25
25
24
24
24
24
25
25
25
26
25
25
26
25
25
26
26
25
26
26
26
26
26
26
26
26
26
27
26
27
27
26
27
27
Moonrise
5:16
5:52
6:32
7:17
8:10
9:10
10:15
11:22
12:28
1:30
2:29
3:25
4:19
5:12
6:06
7:00
Moonset
5:58
7:02
8:10
9:20
10:31
11:38
12:38
1:30
2:14
2:52
3:26
3:58
4:28
4:59
5:32
Sunrise
6:26
6:24
6:24
6:22
6:22
6:20
6:20
6:20
6:18
6:18
6:16
6:16
6:16
6:15
6:13
6:13
Sunset
7:09
7:09
7:09
7:10
7:10
7:12
7:12
7:13
7:13
7:14
7:14
7:14
7:15
7:15
7:15
7:15
Today's sea temperature in Hikawa (Yonakuni Sima) is
26.0° C
(Statistics for 16 Apr 1981-2005 – mean: 25.3 max: 26.5 min: 23.9°C)
Issued (local time): 2 am Thursday 16 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest