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 6mm), mostly falling on Wed night. Cool air temperatures (max 13°C on Wed night, min 2°C on Thu night). Winds increasing (calm on Wed night, strong winds from the WNW by Thu night).

Days 5–7 Weather Summary

Some drizzle, heaviest during Mon night. Cool air temperatures (max 12°C on Mon afternoon, min 5°C on Sat night). Wind will be generally light.

Days 8–10 Weather Summary

Mostly dry. Very mild (max 10°C on Wed afternoon, min 5°C on Tue night). Wind will be generally light.

Days 11–13 Weather Summary

Light rain (total 6mm), mostly falling on Sat night. Mild temperatures (max 7°C on Fri night, min 3°C on Sat night). Wind will be generally light.

Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Mon
5
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
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
7:54PM2.57m
9:37AM3.10m
8:45PM2.64m
10:18AM3.23m
9:32PM2.72m
10:55AM3.32m
10:17PM2.78m
11:30AM3.35m
Low Tide
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
2:36AM0.40m
3:32PM1.51m
3:21AM0.27m
4:15PM1.40m
4:03AM0.19m
4:54PM1.29m
4:43AM0.16m
5:31PM1.18m
Wave
height (m) 
direction
period (s) 
0.1
NE
2
0.2
NNE
2
1.1
NW
4
1.3
WNW
4
1.4
WNW
5
0.9
WNW
4
0.4
NW
3
0.2
W
2
0.2
W
2
0.2
WNW
2
0
W
4
0
E
1
0
E
1
0.1
S
2
0.4
SW
3
0.5
WSW
3
0.5
NNW
4
0.1
N
2
0.1
N
2
0.3
N
3
0.1
N
2
0.1
NE
2
0.2
ENE
2
0.1
NE
2
0.1
NE
2
0.2
NNE
2
0.3
NNW
2
0.5
N
3
0.3
NNW
3
0.1
NE
2
0.3
W
2
0.6
NE
4
0.3
NE
3
0.2
WNW
2
0.5
W
3
0.7
W
4
light rain
light rain
part cloud
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
rain showers
part cloud
cloud
part cloud
part cloud
cloud
part cloud
part cloud
cloud
part cloud
cloud
part cloud
clear
cloud
part cloud
light rain
part cloud
part cloud
rain showers
clear
part cloud
light rain
light rain
some clouds
clear
clear
some clouds
some clouds
some clouds
clear
clear
clear
clear
some clouds
some clouds
some clouds
rain shwrs
some clouds
cloudy
some clouds
some clouds
cloudy
some clouds
some clouds
cloudy
some clouds
cloudy
some clouds
clear
cloudy
some clouds
light rain
some clouds
some clouds
rain shwrs
clear
some clouds
 km/h
5
NNE
15
N
35
WNW
35
WNW
30
WNW
25
WNW
10
WNW
5
W
10
WSW
5
WNW
0
NNE
5
SSW
0
E
5
SSE
20
WSW
15
WNW
15
NW
15
NW
10
NNW
5
NNW
5
ENE
10
N
10
NNE
5
SE
15
N
10
N
15
N
15
NNW
15
NNE
10
ESE
5
NE
15
NNE
5
SE
10
NW
10
NW
30
WNW
 mm 
4
2
1
5
1
max°C
13
13
10
6
5
6
3
6
7
6
8
8
8
9
12
12
9
10
7
8
10
7
8
10
8
9
9
7
7
7
6
6
7
6
6
6
Moonrise
10:39
11:06
11:32
12:00
12:29
1:04
1:45
2:36
3:38
4:48
6:02
7:16
Moonset
9:57
11:00
12:03
1:09
2:18
3:32
4:47
6:01
7:07
8:03
8:49
Sunrise
7:11
7:11
7:13
7:13
7:13
7:13
7:13
7:13
7:15
7:15
7:15
7:15
Sunset
5:04
5:05
5:06
5:06
5:07
5:07
5:07
5:08
5:09
5:10
5:10
5:12
Today's sea temperature in Koyo is
16.2° C
(Statistics for 24 Dec 1981-2005 – mean: 18.4 max: 19.7 min: 17.4°C)
Issued (local time): 8 pm Wednesday 24 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest