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 06:06 PM.

Days 1–4 Weather Summary

Heavy rain (total 29mm), heaviest during Sat afternoon. Warm air temperatures (max 20°C on Sat night, min 16°C on Thu afternoon). Winds decreasing (near gales from the N on Thu afternoon, calm by Sat night).

Days 5–7 Weather Summary

Heavy rain (total 23mm), heaviest during Mon night. Warm air temperatures (max 22°C on Mon morning, min 20°C on Sun afternoon). Winds increasing (calm on Sun afternoon, near gales from the NNE by Tue afternoon).

Days 8–10 Weather Summary

Heavy rain (total 23mm), heaviest during Fri night. Warm (max 22°C on Thu morning, min 18°C on Fri night). Winds increasing (moderate winds from the NE on Thu morning, near gales from the NNE by Sat morning).

Days 11–13 Weather Summary

Moderate rain (total 14mm), heaviest on Sat afternoon. Very mild (max 16°C on Sat afternoon, min 11°C on Mon afternoon). Winds decreasing (near gales from the N on Mon afternoon, fresh winds from the NE by Tue afternoon).

Thu
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
Tue
6
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
10:30PM1.33m
11:54AM1.19m
11:27PM1.20m
12:38PM1.19m
00:40AM1.09m
1:27PM1.20m
2:15AM1.00m
2:21PM1.23m
4:00AM0.99m
3:17PM1.27m
5:25AM1.04m
4:12PM1.34m
6:27AM1.10m
5:01PM1.40m
7:15AM1.16m
5:49PM1.47m
7:53AM1.20m
6:33PM1.52m
8:27AM1.23m
7:16PM1.56m
8:59AM1.25m
7:57PM1.56m
9:30AM1.26m
Low Tide
4:38PM0.64m
5:19AM0.25m
5:36PM0.62m
6:02AM0.39m
6:46PM0.59m
6:52AM0.52m
8:08PM0.52m
7:51AM0.63m
9:29PM0.42m
9:00AM0.72m
10:37PM0.29m
10:09AM0.77m
11:33PM0.15m
11:09AM0.79m
00:21AM0.04m
12:01PM0.77m
1:04AM-0.05m
12:45PM0.74m
1:43AM-0.10m
1:26PM0.69m
2:20AM-0.12m
2:05PM0.64m
2:56AM-0.09m
Wave
height (m) 
direction
period (s) 
4
N
10
4
NNE
10
3.5
NNE
10
3
NNE
10
2.3
NNE
10
1.9
NNE
9
1.6
NNE
9
1.3
NNE
8
1.5
NNE
8
1.5
NE
7
1.2
NE
7
1.1
NE
6
1.4
NE
7
2.5
NE
8
2.5
NE
8
3
NE
8
3
NE
8
2.5
NE
8
2.3
NE
8
1.8
NE
8
1.3
NE
8
1.1
NE
7
1
NE
7
1.3
NNE
5
1.7
NE
6
3.5
NNE
9
3.5
NNE
9
3.5
NNE
9
4
NNE
10
3.5
NNE
9
3
NNE
9
3.5
NNE
9
3.5
NNE
9
4
N
9
4
NNE
10
3.5
NNE
10
light rain
light rain
light rain
light rain
light rain
rain showers
rain showers
rain showers
rain showers
rain showers
part cloud
part cloud
part cloud
rain showers
light rain
light rain
mod rain
rain showers
part cloud
part cloud
part cloud
clear
rain showers
light rain
light rain
heavy rain
light rain
light rain
light rain
light rain
light rain
cloud
cloud
part cloud
cloud
light rain
light rain
light rain
light rain
light rain
light rain
rain shwrs
rain shwrs
rain shwrs
rain shwrs
rain shwrs
some clouds
some clouds
some clouds
rain shwrs
light rain
light rain
mod rain
rain shwrs
some clouds
some clouds
some clouds
clear
rain shwrs
light rain
light rain
heavy rain
light rain
light rain
light rain
light rain
light rain
cloudy
cloudy
some clouds
cloudy
light rain
 km/h
55
N
50
NNE
40
NE
35
NE
35
ENE
20
ESE
15
SE
5
ENE
10
ENE
5
SW
5
WNW
20
N
25
NNE
40
NE
45
NNE
50
NNE
45
NNE
40
NNE
35
NNE
25
NE
25
NNE
20
NE
25
NE
35
NE
35
NNE
45
NE
55
NNE
50
NNE
50
NNE
50
N
50
N
50
N
55
N
55
N
50
N
40
NNE
 mm 
5
5
2
1
1
2
7
5
1
1
7
2
3
8
2
1
5
1
11
5
3
4
2
2
2
max°C
17
16
16
17
19
19
19
20
20
21
21
22
22
22
22
21
21
21
21
21
22
21
21
21
21
20
18
16
16
13
13
13
12
11
12
14
Moonrise
11:40
12:12
12:45
1:21
2:02
2:50
3:45
4:49
5:58
7:08
8:16
Moonset
10:47
11:43
12:40
1:40
2:43
3:50
5:00
6:11
7:18
8:17
9:07
9:50
Sunrise
7:28
7:28
7:30
7:30
7:30
7:31
7:31
7:31
7:31
7:31
7:31
7:31
Sunset
6:06
6:07
6:07
6:07
6:07
6:08
6:08
6:09
6:10
6:12
6:12
6:13
Today's sea temperature in Hikawa (Yonakuni Sima) is
25.4° C
(Statistics for 25 Dec 1981-2005 – mean: 23.6 max: 24.7 min: 22.5°C)
Issued (local time): 2 pm Thursday 25 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest