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 04:30 PM.

Days 1–3 Weather Summary

Heavy rain (total 27mm), heaviest during Fri morning. Later becoming colder with a dusting of snow on Fri afternoon. Icy conditions (max 11°C on Wed night, min -2°C on Fri afternoon). Winds increasing (calm on Wed night, near gales from the WNW by Fri morning).

Days 4–6 Weather Summary

A dusting of snow giving way to moderate rain (total 17mm) heaviest on Sat night. Cool air temperatures (max 11°C on Mon afternoon, min 1°C on Sat morning). Winds increasing (light winds from the W on Sun afternoon, strong winds from the WSW by Mon night).

Days 7–9 Weather Summary

Heavy rain (total 29mm), mainly falling on Thu afternoon. Becoming colder with a light covering of snow, mostly falling on Thu night. Mild temperatures (max 8°C on Tue night, min 1°C on Thu night). Mainly fresh winds.

Days 10–12 Weather Summary

A light covering of new snow, mostly falling on Fri night will be washed away by heavy rain (total 29mm) on Sat morning. Mild temperatures (max 5°C on Sun night, min 1°C on Fri morning). Winds decreasing (fresh winds from the NNE on Sat morning, calm by Sun afternoon).

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
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
1:33AM0.33m
6:49PM0.22m
Low Tide
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
9:18AM-0.02m
9:59AM-0.02m
7:22PM0.22m
Wave
height (m) 
direction
period (s) 
0.7
SW
4
0.4
NW
5
0.7
NNW
5
1.4
N
6
1.4
N
6
1.2
NNW
6
4.5
NNW
10
4
NW
10
4
NW
11
2.5
NW
10
2.2
NNW
9
1.7
NNW
9
1.4
NNW
8
1.4
NNW
8
1
NW
8
0.9
NW
7
1
WNW
8
2.1
WNW
9
1.8
WNW
9
1.6
WNW
9
1.3
NW
9
1.6
NNW
7
1.5
NNW
7
1.3
NNW
8
1.6
NNW
8
1.5
NNW
8
1.7
NW
8
2.1
NW
9
1.6
NW
8
1.3
NW
8
1.4
NW
7
1.6
NW
7
1.3
NW
7
1.1
NW
6
0.8
NW
6
0.7
NW
6
light rain
light rain
mod rain
light rain
light rain
light rain
light rain
light snow
light snow
snow showers
cloud
rain showers
clear
clear
part cloud
part cloud
part cloud
rain showers
cloud
light rain
light rain
light rain
light rain
heavy rain
light rain
light snow
mod snow
cloud
snow showers
light snow
mod rain
rain showers
part cloud
light rain
light rain
heavy rain
light rain
light rain
mod rain
light rain
light rain
light rain
light rain
light snow
light snow
snow shwrs
cloudy
rain shwrs
clear
clear
some clouds
some clouds
some clouds
rain shwrs
cloudy
light rain
light rain
light rain
light rain
heavy rain
light rain
light snow
mod snow
cloudy
snow shwrs
light snow
mod rain
rain shwrs
some clouds
light rain
light rain
heavy rain
 km/h
15
SSE
5
ESE
5
N
25
NNE
15
N
50
W
50
NW
55
WNW
45
WNW
25
W
15
W
35
WSW
20
WNW
15
WNW
15
SW
20
SSW
25
SSW
40
WSW
20
NW
5
E
20
SW
20
N
15
NNE
15
NE
15
NE
20
N
15
NNW
20
NW
5
NW
15
NE
30
NNE
25
NW
30
WNW
15
WNW
0
SE
20
SW
 mm 
2
3
7
2
3
5
5
1
7
9
1
3
2
3
12
3
5
5
8
1
1
3
11
max°C
10
10
11
9
7
9
3
-1
0
2
4
6
8
8
8
9
11
10
7
5
8
4
3
3
3
2
2
2
2
2
3
3
3
4
3
5
Moonrise
9:54
10:21
10:45
11:09
11:34
12:00
12:32
1:10
1:59
2:59
4:10
5:27
Moonset
8:24
9:29
10:34
11:41
12:49
2:02
3:18
4:36
5:51
6:57
7:52
Sunrise
6:58
7:00
7:00
7:00
7:01
7:01
7:01
7:01
7:01
7:01
7:01
7:01
Sunset
4:30
4:30
4:31
4:31
4:32
4:34
4:34
4:35
4:36
4:37
4:37
4:38
Today's sea temperature in Ryotu is
14.7° C
(Statistics for 24 Dec 1981-2005 – mean: 13.3 max: 15.0 min: 11.0°C)
Issued (local time): 2 am Wednesday 24 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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