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 — and sunset is at 07:14 PM.

Days 1–4 Weather Summary

Moderate rain (total 12mm), heaviest on Sun morning. Warm air temperatures (max 25°C on Sun morning, min 22°C on Mon night). Winds increasing (light winds from the S on Sun afternoon, strong winds from the NNE by Mon afternoon).

Days 5–7 Weather Summary

Light rain (total 5mm), mostly falling on Fri morning. Warm air temperatures (max 25°C on Thu morning, min 22°C on Tue afternoon). Wind will be generally light.

Days 8–10 Weather Summary

Heavy rain (total 29mm), heaviest during Sat afternoon. Warm (max 26°C on Fri afternoon, min 22°C on Sun morning). Winds increasing (calm on Sat afternoon, fresh winds from the NNE by Sun morning).

Days 11–13 Weather Summary

Light rain (total 5mm), mostly falling on Mon night. Warm (max 26°C on Wed afternoon, min 25°C on Mon afternoon). Wind will be generally light.

Sat
26
Sunday
27
Monday
28
Tuesday
29
Wednesday
30
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
Tuesday
6
Wednesday
7
Thu
8
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
Wave Height Map
High Tide
6:48PM1.52m
6:38AM1.58m
7:26PM1.54m
7:04AM1.65m
8:03PM1.52m
7:30AM1.69m
8:41PM1.47m
7:57AM1.70m
9:19PM1.40m
8:26AM1.69m
10:02PM1.31m
8:57AM1.64m
10:51PM1.22m
9:32AM1.56m
11:55PM1.14m
10:15AM1.45m
1:30AM1.11m
11:21AM1.32m
3:07AM1.16m
1:21PM1.22m
4:01AM1.24m
3:22PM1.24m
4:37AM1.33m
Low Tide
12:31PM0.28m
00:41AM0.48m
1:04PM0.16m
1:10AM0.53m
1:38PM0.07m
1:38AM0.59m
2:12PM0.03m
2:04AM0.66m
2:48PM0.04m
2:31AM0.73m
3:26PM0.09m
2:59AM0.81m
4:08PM0.18m
3:29AM0.88m
4:57PM0.29m
4:09AM0.96m
6:00PM0.41m
5:21AM1.02m
7:23PM0.51m
7:55AM1.01m
8:52PM0.55m
9:43AM0.87m
10:01PM0.56m
10:40AM0.69m
Wave
height (m) 
direction
period (s) 
1.8
NE
7
2.1
NE
7
1.6
NE
7
1.1
NE
7
0.8
NE
7
1
NNW
4
1.3
N
5
1.7
NNE
7
1.4
NNE
7
1.1
NE
7
1
NE
7
0.8
NE
7
0.6
NE
7
0.6
ENE
7
0.4
ENE
6
0.4
ENE
6
0.4
E
6
0.4
ESE
7
0.5
E
7
0.5
SSE
3
0.4
ESE
7
0.4
ESE
7
0.4
ESE
7
0.5
E
9
1.3
NNE
5
1.1
NE
5
0.8
NNE
6
0.9
NNE
6
1.1
NE
5
1.2
SE
13
1.3
SE
13
1.3
SE
13
1.2
SE
13
1.1
SE
13
1.2
SE
13
1
ESE
12
light rain
part cloud
thunderstorm
thunderstorm
rain showers
part cloud
part cloud
cloud
clear
clear
part cloud
clear
clear
rain showers
clear
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
rain showers
cloud
cloud
part cloud
rain showers
clear
clear
clear
clear
part cloud
rain showers
rain showers
light rain
some clouds
risk tstorm
risk tstorm
rain shwrs
some clouds
some clouds
cloudy
clear
clear
some clouds
clear
clear
rain shwrs
clear
clear
clear
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
mod rain
rain shwrs
cloudy
cloudy
some clouds
rain shwrs
clear
clear
clear
clear
some clouds
rain shwrs
rain shwrs
 km/h
35
E
35
E
25
ESE
10
S
15
WNW
30
NNW
35
NNE
30
NNE
20
NE
20
NE
10
ESE
10
ESE
15
ESE
15
SE
10
S
10
SSW
15
SSE
20
SSE
20
SSE
20
S
15
SSW
5
SSW
15
ENE
20
NNE
35
NE
20
ENE
20
NE
25
NE
25
E
20
E
15
E
20
ESE
15
ESE
15
SE
20
SE
15
SSE
 mm 
1
6
2
3
1
4
2
3
5
5
4
6
4
1
3
1
max°C
23
24
25
25
25
24
23
23
22
23
23
23
24
24
25
25
25
25
26
26
26
26
25
24
22
24
25
25
25
25
25
25
25
26
26
26
Moonrise
4:52
5:30
6:12
6:59
7:54
8:54
9:58
11:03
12:05
1:04
1:59
2:51
3:42
Moonset
5:38
6:45
7:55
9:08
10:18
11:24
12:20
1:09
1:50
2:25
2:57
3:26
Sunrise
6:16
6:16
6:15
6:13
6:13
6:13
6:11
6:11
6:11
6:09
6:09
6:09
Sunset
7:14
7:14
7:15
7:15
7:15
7:15
7:16
7:16
7:17
7:17
7:19
7:19
Today's sea temperature in Hikawa (Yonakuni Sima) is 27.0 °C (Statistics for 26 Apr 1981-2005 – mean: 26.0 max: 27.4 min: 24.4°C)
Issued (local time): 2 pm Saturday 26 Apr 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest