Ryotu Sea Conditions and Tide Table

Ryotu 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 06:58 AM and sunset is at 04:29 PM.

Days 1–3 Weather Summary

Moderate rain (total 14mm), heaviest on Wed afternoon. Cool air temperatures (max 12°C on Wed night, min 4°C on Mon morning). Wind will be generally light.

Days 4–6 Weather Summary

Mild with light rain (total 6mm) on Thu night. Becoming colder with a light covering of snow, mostly falling on Fri morning. Icy conditions (max 9°C on Thu morning, min -2°C on Fri night). Winds increasing (light winds from the NNW on Thu morning, near gales from the W by Thu night).

Days 7–9 Weather Summary

Light rain (total 9mm), mostly falling on Tue night. Very mild (max 11°C on Tue morning, min 3°C on Tue night). Winds increasing (calm on Sun afternoon, strong winds from the W by Tue night).

Days 10–12 Weather Summary

Heavy rain (total 20mm), heaviest during Fri night. Mild temperatures (max 9°C on Fri afternoon, min 1°C on Wed night). Wind will be generally light.

Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
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
3:22AM0.34m
4:12AM0.32m
8:35PM0.22m
8:41PM0.22m
6:19AM0.26m
8:53PM0.22m
7:54AM0.23m
9:10PM0.23m
10:06AM0.21m
9:33PM0.24m
12:28PM0.21m
10:02PM0.26m
2:29PM0.22m
10:37PM0.28m
4:09PM0.24m
11:17PM0.30m
00:00AM0.31m
00:46AM0.32m
Low Tide
11:07AM0.01m
11:49AM0.03m
12:32PM0.05m
10:41PM0.22m
1:14PM0.08m
00:20AM0.20m
1:57PM0.12m
2:05AM0.18m
2:39PM0.15m
3:45AM0.15m
3:21PM0.18m
5:05AM0.11m
3:59PM0.20m
6:08AM0.08m
4:32PM0.22m
7:01AM0.04m
4:51PM0.24m
7:50AM0.01m
8:35AM-0.01m
Wave
height (m) 
direction
period (s) 
2.1
NW
9
1.6
NW
8
1.2
NNW
8
0.8
NNW
7
0.7
NNW
6
0.5
NNW
6
0.4
ENE
4
0.5
SE
3
0.6
SW
4
1.3
NNW
6
1.3
NNW
7
1.8
NW
7
3.5
NW
10
4
NW
11
4
NW
11
3.5
NW
11
3
NW
10
2.2
NW
10
1.5
NNW
9
1.2
NNW
8
0.9
NNW
7
0.7
NNW
6
0.5
NNW
6
0.5
NW
6
0.4
NW
5
1.2
W
7
1.6
WNW
8
2
NW
10
1.8
NW
9
2
NW
10
1.6
NW
9
1.3
NW
9
0.9
NW
8
0.7
NW
7
0.5
NW
6
0.4
NW
6
part cloud
part cloud
clear
part cloud
clear
rain showers
light rain
mod rain
light rain
cloud
cloud
rain showers
snow showers
part cloud
light snow
snow showers
rain showers
cloud
part cloud
clear
clear
clear
cloud
part cloud
part cloud
rain showers
rain showers
light rain
light rain
cloud
part cloud
clear
cloud
cloud
cloud
mod rain
some clouds
some clouds
clear
some clouds
clear
rain shwrs
light rain
mod rain
light rain
cloudy
cloudy
rain shwrs
snow shwrs
some clouds
light snow
snow shwrs
rain shwrs
cloudy
some clouds
clear
clear
clear
cloudy
some clouds
some clouds
rain shwrs
rain shwrs
light rain
light rain
cloudy
some clouds
clear
cloudy
cloudy
cloudy
mod rain
 km/h
20
NW
15
NNW
5
NNW
10
E
10
ENE
15
SE
10
SE
20
SSE
15
NW
10
N
5
NE
55
WSW
50
NW
50
WNW
45
WNW
40
WNW
35
WNW
15
WSW
15
SSW
10
SSW
10
E
10
SSE
5
SE
5
SE
15
SW
35
W
25
NW
10
WNW
15
NW
10
NNW
10
ENE
10
S
10
SE
10
SE
5
E
10
ENE
 mm 
2
2
6
4
5
1
2
7
5
3
9
max°C
5
5
5
5
6
8
10
11
12
9
8
9
1
-1
0
2
3
6
7
7
7
7
8
7
11
11
9
3
3
2
4
5
6
8
9
9
Moonrise
8:47
9:23
9:54
10:21
10:45
11:09
11:34
12:00
12:32
1:10
1:59
2:59
Moonset
6:15
7:20
8:24
9:29
10:34
11:41
12:49
2:02
3:18
4:36
5:51
Sunrise
6:58
6:58
6:58
7:00
7:00
7:00
7:01
7:01
7:01
7:01
7:01
7:01
Sunset
4:29
4:30
4:30
4:30
4:31
4:31
4:32
4:34
4:34
4:35
4:36
4:37
Today's sea temperature in Ryotu is
14.8° C
(Statistics for 22 Dec 1981-2005 – mean: 13.5 max: 15.4 min: 11.0°C)
Issued (local time): 2 am Monday 22 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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