Koyo Sea Conditions and Tide Table

Koyo 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 — and sunset is at —.

Days 1–4 Weather Summary

Light rain (total 4mm), mostly falling on Sun morning. Cool air temperatures (max 14°C on Sat night, min 5°C on Mon night). Wind will be generally light.

Days 5–7 Weather Summary

Light rain (total 8mm), mostly falling on Wed morning. Cool air temperatures (max 14°C on Wed night, min 6°C on Thu night). Wind will be generally light.

Days 8–10 Weather Summary

Some drizzle, heaviest during Mon afternoon. Mild temperatures (max 9°C on Sat afternoon, min 5°C on Fri night). Wind will be generally light.

Days 11–13 Weather Summary

Light rain (total 6mm), mostly falling on Mon night. Very mild (max 13°C on Tue afternoon, min 1°C on Wed night). Winds increasing (calm on Mon night, strong winds from the WNW by Thu afternoon).

Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thu
1
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
AM
PM
Wave Height Map
High Tide
9:56PM2.81m
11:19AM3.37m
10:38PM2.81m
11:56AM3.36m
11:20PM2.79m
12:33PM3.30m
00:04AM2.75m
1:10PM3.21m
00:51AM2.67m
1:49PM3.10m
1:43AM2.58m
2:29PM2.97m
2:45AM2.48m
3:13PM2.83m
3:58AM2.42m
4:02PM2.71m
5:23AM2.44m
4:58PM2.61m
6:46AM2.56m
5:58PM2.55m
7:55AM2.74m
6:58PM2.55m
8:50AM2.93m
Low Tide
4:27AM0.16m
5:17PM1.34m
5:06AM0.19m
5:56PM1.30m
5:45AM0.27m
6:36PM1.26m
6:26AM0.42m
7:18PM1.22m
7:08AM0.62m
8:02PM1.19m
7:53AM0.86m
8:52PM1.15m
8:44AM1.12m
9:47PM1.09m
9:45AM1.36m
10:49PM1.00m
11:00AM1.56m
11:53PM0.88m
12:24PM1.66m
00:53AM0.72m
1:40PM1.66m
1:48AM0.55m
2:42PM1.61m
Wave
height (m) 
direction
period (s) 
0
E
2
0.1
SW
2
0.3
ENE
3
0.8
N
4
0.6
NNE
3
1.1
NE
4
1.1
NE
4
0.7
ENE
4
0.5
NE
3
0.7
ENE
4
0.4
NE
3
0.1
E
3
0.1
NE
2
0.3
NNE
3
0.6
NNW
3
0.6
NNW
4
0.7
NW
4
0.7
NNW
4
0.3
NNE
3
0.1
NE
2
0.1
E
2
0.2
NNE
2
0.4
NE
3
0.7
NE
4
0.3
ENE
3
0.5
NE
3
0.6
NE
3
0.6
NE
4
0.2
W
2
0.7
W
4
1
W
4
1.1
W
4
1.4
W
5
1.1
W
4
1.1
W
4
1.4
W
5
part cloud
light rain
cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
mod rain
light rain
cloud
cloud
cloud
clear
part cloud
part cloud
clear
part cloud
cloud
part cloud
clear
cloud
cloud
cloud
light rain
rain showers
clear
part cloud
rain showers
light rain
part cloud
part cloud
rain showers
rain showers
some clouds
light rain
cloudy
clear
clear
some clouds
some clouds
some clouds
some clouds
cloudy
mod rain
light rain
cloudy
cloudy
cloudy
clear
some clouds
some clouds
clear
some clouds
cloudy
some clouds
clear
cloudy
cloudy
cloudy
light rain
rain shwrs
clear
some clouds
rain shwrs
light rain
some clouds
some clouds
rain shwrs
rain shwrs
 km/h
0
NNE
20
N
20
N
25
N
25
NNE
25
ENE
20
NE
15
NE
15
E
15
ENE
5
NNE
5
WNW
5
N
10
N
25
NW
15
NNW
15
NW
25
NNW
5
N
5
NE
5
E
15
N
15
NNE
20
E
15
NE
15
ENE
15
ENE
15
NE
10
W
25
W
35
WNW
30
W
40
W
35
WNW
30
WNW
40
WNW
 mm 
4
7
1
1
1
1
2
1
1
max°C
14
14
12
9
10
11
7
7
9
10
11
13
14
13
12
8
8
8
6
7
9
7
8
9
9
8
9
8
12
13
9
4
3
2
4
4
Moonrise
8:15
8:59
9:36
10:09
10:39
11:06
11:32
12:00
12:29
1:04
1:45
2:36
Moonset
5:50
6:51
7:53
8:55
9:57
11:00
12:03
1:09
2:18
3:32
4:47
Sunrise
7:09
7:11
7:11
7:11
7:11
7:11
7:13
7:13
7:13
7:13
7:13
7:13
Sunset
5:01
5:02
5:02
5:04
5:04
5:05
5:06
5:06
5:07
5:07
5:07
5:08
Today's sea temperature in Koyo is
16.5° C
(Statistics for 20 Dec 1981-2005 – mean: 18.8 max: 20.1 min: 17.4°C)
Issued (local time): 8 pm Saturday 20 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest