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 07:00 AM and sunset is at 04:31 PM.

Days 1–3 Weather Summary

A light covering of new snow, mostly falling on Fri morning. Becoming milder with moderate rain (total 17mm) heaviest on Sat night. Icy conditions (max 9°C on Sun night, min -2°C on Fri night). Winds decreasing (strong winds from the WNW on Fri morning, calm by Sun afternoon).

Days 4–6 Weather Summary

Moderate rain (total 19mm) heaviest on Mon night, then becoming colder with a dusting of snow on Wed afternoon. Icy conditions (max 11°C on Mon night, min 0°C on Wed night). Mainly strong winds.

Days 7–9 Weather Summary

Light rain (total 7mm), mostly falling on Thu morning. Mild temperatures (max 7°C on Sat morning, min 2°C on Thu morning). Winds decreasing (strong winds from the WNW on Thu night, light winds from the NW by Sat night).

Days 10–12 Weather Summary

Heavy rain (total 46mm), heaviest during Wed morning. Mild temperatures (max 7°C on Mon afternoon, min 3°C on Tue night). Mainly fresh winds.

Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
Tuesday
6
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
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
1:33AM0.33m
6:49PM0.22m
6:49PM0.21m
6:57PM0.20m
Low Tide
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
9:18AM-0.02m
9:59AM-0.02m
7:22PM0.22m
10:38AM-0.01m
8:29PM0.21m
11:17AM0.01m
9:29PM0.19m
Wave
height (m) 
direction
period (s) 
4
NNW
10
4
NW
10
3.5
NW
11
2.4
NW
10
1.9
NNW
9
1.5
NNW
8
1.6
NNW
8
1.4
NW
8
1
NW
8
0.9
WNW
7
1.1
WNW
8
2
WNW
10
1.9
WNW
9
1.5
WNW
8
1.4
NW
8
2
WNW
8
2.5
NW
8
3
NW
9
2.5
NW
9
3
NW
9
3.5
NW
10
4
NW
11
4
NW
11
3
NW
10
2.5
NW
10
2.2
NNW
9
1.8
NNW
9
2
N
9
2.4
N
9
2
N
9
1.5
N
8
1.1
N
7
1.3
NNW
6
1.2
NW
8
1
NW
7
1.1
NNW
7
light snow
light snow
light snow
rain showers
rain showers
rain showers
part cloud
part cloud
clear
part cloud
part cloud
mod rain
rain showers
cloud
mod rain
rain showers
light snow
light snow
rain showers
part cloud
rain showers
rain showers
part cloud
part cloud
part cloud
rain showers
rain showers
light rain
part cloud
clear
part cloud
part cloud
mod rain
mod rain
mod rain
heavy rain
light snow
light snow
light snow
rain shwrs
rain shwrs
rain shwrs
some clouds
some clouds
clear
some clouds
some clouds
mod rain
rain shwrs
cloudy
mod rain
rain shwrs
light snow
light snow
rain shwrs
some clouds
rain shwrs
rain shwrs
some clouds
some clouds
some clouds
rain shwrs
rain shwrs
light rain
some clouds
clear
some clouds
some clouds
mod rain
mod rain
mod rain
heavy rain
 km/h
45
NW
50
WNW
35
WNW
20
W
25
WSW
20
WNW
15
WNW
10
WSW
20
S
20
SSW
25
SSW
35
WSW
30
WNW
15
NW
5
NW
40
W
40
NW
40
NW
35
WNW
45
WNW
45
W
45
WNW
45
W
35
WNW
35
WNW
35
WNW
15
NW
15
NNW
30
N
20
NNW
5
NNW
15
W
20
W
10
SW
15
NW
10
NNE
 mm 
1
2
14
8
1
7
3
1
3
1
1
1
2
8
7
6
15
max°C
2
-1
0
3
5
7
8
8
9
9
10
11
8
5
5
4
1
1
3
2
4
5
6
6
7
5
4
5
6
5
6
7
6
6
6
4
Moonrise
10:45
11:09
11:34
12:00
12:32
1:10
1:59
2:59
4:10
5:27
6:43
7:55
Moonset
10:34
11:41
12:49
2:02
3:18
4:36
5:51
6:57
7:52
8:35
9:09
Sunrise
7:00
7:00
7:01
7:01
7:01
7:01
7:01
7:01
7:01
7:01
7:01
7:01
Sunset
4:31
4:31
4:32
4:34
4:34
4:35
4:36
4:37
4:37
4:38
4:38
4:39
Today's sea temperature in Ryotu is
14.6° C
(Statistics for 26 Dec 1981-2005 – mean: 13.2 max: 15.0 min: 11.0°C)
Issued (local time): 8 am Friday 26 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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