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 06:56 AM and sunset is at 04:28 PM.

Days 1–3 Weather Summary

Moderate rain (total 15mm), heaviest on Sun afternoon. Cool air temperatures (max 15°C on Sat afternoon, min 4°C on Sun night). Winds increasing (light winds from the SSE on Fri afternoon, fresh winds from the NW by Sun night).

Days 4–6 Weather Summary

Heavy rain (total 21mm), heaviest during Wed afternoon. Cool air temperatures (max 11°C on Wed afternoon, min 4°C on Mon morning). Winds increasing (calm on Mon night, fresh winds from the NW by Wed night).

Days 7–9 Weather Summary

Moderate rain (total 11mm), heaviest on Sat night. Very mild (max 10°C on Sat afternoon, min 4°C on Thu morning). Winds increasing (calm on Thu night, fresh winds from the ESE by Sat night).

Days 10–12 Weather Summary

Heavy rain (total 29mm), heaviest during Mon night. Very mild (max 12°C on Sun night, min 2°C on Tue morning). Mainly near gales.

Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
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
1:11AM0.34m
1:52AM0.35m
2:35AM0.35m
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
Low Tide
8:58AM0.01m
9:41AM0.00m
10:24AM0.00m
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
Wave
height (m) 
direction
period (s) 
0.9
NNW
7
0.6
NNW
6
0.4
NNW
6
0.7
W
8
0.7
W
8
0.6
W
8
0.7
W
8
0.9
W
8
1.7
WNW
7
2.1
NW
9
1.8
NW
9
1.4
NW
8
0.9
NNW
7
0.7
NW
6
0.7
NE
5
0.6
SE
4
0.9
SSW
6
1.9
NW
8
2.5
NW
11
2.4
NW
10
1.6
NNW
9
1.1
NNW
8
0.9
NNW
7
0.7
NNW
6
0.4
NNW
6
0.5
NNE
4
0.9
NNE
5
0.8
ENE
5
0.5
NE
5
0.7
NW
5
1.2
NW
7
1.4
NNW
7
1.3
NNW
8
3
NW
10
3
NW
10
2
NW
10
clear
clear
clear
part cloud
clear
part cloud
light rain
heavy rain
rain showers
part cloud
part cloud
clear
part cloud
part cloud
part cloud
light rain
heavy rain
rain showers
cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
cloud
heavy rain
light rain
rain showers
light rain
part cloud
part cloud
rain showers
rain showers
cloud
rain showers
clear
clear
clear
some clouds
clear
some clouds
light rain
heavy rain
rain shwrs
some clouds
some clouds
clear
some clouds
some clouds
some clouds
light rain
heavy rain
rain shwrs
cloudy
some clouds
clear
some clouds
some clouds
some clouds
some clouds
cloudy
heavy rain
light rain
rain shwrs
light rain
some clouds
some clouds
rain shwrs
rain shwrs
cloudy
rain shwrs
 km/h
10
SSE
10
SSE
15
SSW
15
S
10
S
10
S
15
SW
20
NW
30
NW
30
NW
15
NW
5
N
15
E
15
E
20
SE
25
SSE
25
SSW
30
NW
25
NW
15
NW
5
N
15
E
15
ENE
5
SSE
15
ENE
15
NE
30
ESE
10
SE
15
W
25
W
20
WNW
25
WNW
15
WNW
40
WNW
40
WNW
35
SW
 mm 
1
13
1
4
13
4
11
5
2
1
13
1
5
max°C
9
10
11
14
15
15
14
11
8
5
5
4
5
8
9
10
11
8
4
4
5
6
7
7
9
10
9
10
11
12
9
8
7
2
5
8
Moonrise
6:20
7:16
8:05
8:47
9:23
9:54
10:21
10:45
11:09
11:34
12:00
12:32
Moonset
3:24
4:15
5:13
6:15
7:20
8:24
9:29
10:34
11:41
12:49
2:02
Sunrise
6:56
6:56
6:58
6:58
6:58
6:58
7:00
7:00
7:00
7:01
7:01
7:01
Sunset
4:28
4:29
4:29
4:29
4:30
4:30
4:30
4:31
4:31
4:32
4:34
4:34
Today's sea temperature in Ryotu is
15.1° C
(Statistics for 19 Dec 1981-2005 – mean: 13.7 max: 15.6 min: 11.7°C)
Issued (local time): 8 am Friday 19 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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