Usuki Sea Conditions and Tide Table

Usuki 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 07:11 AM and sunset is at 05:09 PM.

Days 1–3 Weather Summary

Light rain (total 4mm), mostly falling on Wed morning. Cool air temperatures (max 14°C on Wed morning, min 1°C on Thu night). Winds increasing (calm on Wed night, fresh winds from the NW by Thu night).

Days 4–6 Weather Summary

Mostly dry. Cool air temperatures (max 14°C on Mon afternoon, min 3°C on Sat morning). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Very mild (max 15°C on Tue afternoon, min 3°C on Wed night). Winds increasing (calm on Tue morning, fresh winds from the NNW by Wed morning).

Days 10–12 Weather Summary

Moderate rain (total 10mm), heaviest on Fri morning. Very mild (max 11°C on Sat morning, min 1°C on Sun night). Wind will be generally light.

Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
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
10:46AM3.22m
10:20PM2.87m
11:22AM3.14m
11:04PM2.77m
12:01PM3.05m
11:58PM2.67m
12:44PM2.95m
1:05AM2.60m
1:34PM2.86m
2:24AM2.59m
2:31PM2.78m
3:46AM2.69m
3:35PM2.76m
5:04AM2.88m
4:40PM2.81m
6:11AM3.12m
5:42PM2.91m
7:08AM3.35m
6:38PM3.05m
7:58AM3.52m
7:31PM3.19m
8:44AM3.61m
8:19PM3.28m
Low Tide
4:19PM1.14m
4:25AM0.43m
4:58PM1.13m
5:05AM0.60m
5:43PM1.13m
5:49AM0.83m
6:34PM1.11m
6:42AM1.09m
7:37PM1.07m
7:51AM1.34m
8:53PM0.96m
9:24AM1.51m
10:12PM0.76m
10:56AM1.51m
11:20PM0.50m
12:06PM1.40m
00:18AM0.24m
1:01PM1.26m
1:09AM0.02m
1:48PM1.13m
1:56AM-0.11m
2:31PM1.02m
2:40AM-0.14m
Wave
height (m) 
direction
period (s) 
0.4
ESE
9
0.5
ESE
9
0.4
ESE
9
0.9
SE
9
1.6
NNW
5
1.6
NNW
5
1.5
NNW
5
1.2
NNW
5
0.6
NNW
4
0.4
NW
3
0.4
N
3
0.4
NNW
3
0.3
ESE
14
0.2
ESE
14
0.1
SE
8
0.1
SE
8
0.1
SE
8
0.1
SE
7
0.1
SE
7
0.1
SE
7
0.1
SE
7
1.3
N
5
1.4
N
5
1.1
N
5
0.6
N
4
0.5
N
3
0.2
S
7
0.2
SSE
6
0.2
ESE
9
0.4
N
3
0.9
N
4
0.9
N
4
0.6
N
4
0.3
SSE
6
0.6
WNW
3
0.4
N
6
light rain
light rain
cloud
light rain
part cloud
clear
clear
clear
part cloud
cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
part cloud
cloud
part cloud
part cloud
clear
part cloud
cloud
light rain
light rain
light rain
part cloud
part cloud
part cloud
part cloud
part cloud
clear
light rain
light rain
cloudy
light rain
some clouds
clear
clear
clear
some clouds
cloudy
clear
clear
clear
clear
clear
clear
clear
some clouds
cloudy
cloudy
some clouds
cloudy
some clouds
some clouds
clear
some clouds
cloudy
light rain
light rain
light rain
some clouds
some clouds
some clouds
some clouds
some clouds
clear
 km/h
5
SSW
5
WNW
5
WNW
15
NW
30
NW
35
NW
30
NW
30
NW
10
WNW
10
WNW
15
NNW
10
W
5
W
10
NNE
10
SW
5
WSW
5
ESE
10
SW
5
WSW
5
ESE
5
WNW
30
NNW
30
NNW
20
NW
10
NW
15
NNE
5
WSW
5
WNW
5
N
10
NW
20
NNW
20
NNW
10
WNW
10
W
25
WNW
20
WNW
 mm 
1
2
1
4
2
4
max°C
14
14
13
13
10
6
4
6
1
7
9
4
9
10
5
11
14
9
14
15
10
9
8
5
8
9
5
5
7
7
11
11
8
10
9
4
Moonrise
10:11
10:41
11:09
11:36
12:04
12:34
1:09
1:52
2:43
3:45
4:55
6:09
Moonset
9:01
10:03
11:04
12:07
1:12
2:21
3:33
4:48
6:01
7:08
8:04
Sunrise
7:11
7:13
7:13
7:13
7:13
7:13
7:15
7:15
7:15
7:16
7:16
7:16
Sunset
5:09
5:10
5:12
5:12
5:13
5:13
5:14
5:15
5:15
5:15
5:16
5:17
Today's sea temperature in Usuki is
18.4° C
(Statistics for 24 Dec 1981-2005 – mean: 19.9 max: 21.6 min: 19.0°C)
Issued (local time): 8 am Wednesday 24 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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