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 06:24 AM and sunset is at 07:09 PM.

Days 1–3 Weather Summary

Light rain (total 3mm), mostly falling on Sat afternoon. Warm air temperatures (max 24°C on Sat morning, min 21°C on Mon night). Winds decreasing (fresh winds from the NE on Sat afternoon, calm by Mon morning).

Days 4–6 Weather Summary

Heavy rain (total 23mm), heaviest during Thu morning. Warm air temperatures (max 26°C on Thu morning, min 21°C on Tue morning). Winds increasing (light winds from the E on Tue afternoon, fresh winds from the NE by Thu night).

Days 7–9 Weather Summary

Light rain (total 8mm), mostly falling on Sun night. Warm (max 25°C on Sun night, min 21°C on Fri morning). Winds decreasing (fresh winds from the NNE on Fri morning, light winds from the ESE by Sat night).

Days 10–12 Weather Summary

Heavy rain (total 31mm), heaviest during Mon night. Warm (max 26°C on Mon night, min 21°C on Tue morning). Mainly strong winds.

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
Friday
1
Saturday
2
Sun
3
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
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
6:43PM1.50m
6:28AM1.59m
7:22PM1.52m
6:54AM1.66m
Low Tide
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
12:24PM0.28m
00:32AM0.54m
12:58PM0.16m
1:01AM0.58m
Wave
height (m) 
direction
period (s) 
1.4
ESE
15
1.5
ESE
15
1.5
ESE
14
1.2
ESE
14
1
E
14
0.9
E
14
0.8
E
13
0.7
E
13
0.9
E
13
1
NNE
6
1.1
NNE
6
0.9
NNE
6
0.8
NNE
6
0.9
NNE
7
0.9
S
4
1
S
5
1
S
6
1.8
NNE
6
1.7
N
6
1.6
N
6
1.2
NNE
6
1.1
NNE
7
0.9
NNE
9
1
NE
9
1
NE
8
1
NE
8
1.1
ESE
5
0.9
ESE
5
0.7
E
5
0.5
ENE
6
1.8
NNE
6
2.5
NNE
8
2.1
NNE
8
1.4
NNE
7
1.2
NE
7
1.1
NE
7
0.8
NE
7
0.8
NE
7
1.1
NE
5
1.2
NE
6
1.1
NE
6
0.9
ENE
6
1.2
ENE
6
1.3
SE
6
1
NE
7
0.8
ENE
7
0.8
ENE
7
part cloud
thunderstorm
cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
rain showers
thunderstorm
thunderstorm
thunderstorm
light rain
cloud
cloud
part cloud
part cloud
light rain
part cloud
part cloud
rain showers
thunderstorm
thunderstorm
thunderstorm
light rain
light rain
cloud
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
some clouds
risk tstorm
cloudy
some clouds
clear
clear
clear
clear
some clouds
some clouds
some clouds
clear
clear
clear
rain shwrs
risk tstorm
risk tstorm
risk tstorm
light rain
cloudy
cloudy
some clouds
some clouds
light rain
some clouds
some clouds
rain shwrs
risk tstorm
risk tstorm
risk tstorm
light rain
light rain
cloudy
some clouds
some clouds
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
some clouds
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
 km/h
20
ENE
20
NE
25
NNE
20
NNE
20
NNE
10
NE
10
E
10
ENE
20
NE
20
ENE
15
E
15
SE
25
S
25
S
25
S
25
SSW
15
SW
35
NE
35
NNE
30
N
20
NE
15
NE
15
ENE
10
ESE
20
ESE
25
ESE
25
SE
15
S
15
SSW
10
S
45
NNE
40
NE
25
NE
15
ESE
15
SE
20
SSE
20
SSW
10
SW
25
E
25
S
20
SW
15
SW
20
NE
25
NE
20
NE
15
SE
15
WSW
 mm 
3
5
7
8
3
1
1
6
1
4
12
4
4
5
3
4
37
3
11
1
1
2
1
4
max°C
24
24
23
23
22
22
23
24
23
22
22
23
24
25
25
26
25
23
21
21
22
22
23
24
24
24
25
25
25
26
22
21
23
24
25
25
26
26
25
26
26
26
24
24
26
26
26
Moonrise
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
7:55
8:50
Moonset
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
6:07
6:45
Sunrise
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
6:13
6:11
Sunset
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
7:16
7:16
Today's sea temperature in Hikawa (Yonakuni Sima) is
26.0° C
(Statistics for 18 Apr 1981-2005 – mean: 25.4 max: 26.8 min: 23.9°C)
Issued (local time): 2 am Saturday 18 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest