Kosai-shi Sea Conditions and Tide Table

Kosai-shi 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

Mostly dry. Cool air temperatures (max 14°C on Wed afternoon, min 5°C on Mon night). Wind will be generally light.

Days 5–7 Weather Summary

Heavy rain (total 33mm), heaviest during Sun morning. Cool air temperatures (max 16°C on Sun morning, min 10°C on Thu night). Wind will be generally light.

Days 8–10 Weather Summary

Moderate rain (total 16mm), heaviest on Sun night. Very mild (max 16°C on Sun night, min 4°C on Mon night). Winds decreasing (strong winds from the NW on Mon afternoon, light winds from the NW by Tue night).

Days 11–13 Weather Summary

Moderate rain (total 13mm), heaviest on Fri morning. Very mild (max 10°C on Thu afternoon, min 4°C on Wed night). Winds increasing (calm on Thu night, fresh winds from the WNW by Fri night).

Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Sat
27
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
3:53AM1.36m
2:27PM1.47m
4:37AM1.45m
3:06PM1.49m
5:15AM1.52m
3:44PM1.52m
5:51AM1.57m
4:21PM1.55m
6:25AM1.60m
4:56PM1.58m
6:58AM1.61m
5:32PM1.60m
7:32AM1.60m
6:07PM1.59m
8:05AM1.59m
6:44PM1.56m
8:39AM1.58m
7:24PM1.51m
9:13AM1.57m
8:11PM1.43m
9:50AM1.55m
9:08PM1.35m
10:30AM1.53m
Low Tide
8:58PM0.48m
8:59AM1.02m
9:36PM0.37m
9:50AM1.03m
10:12PM0.28m
10:32AM1.03m
10:48PM0.21m
11:09AM1.02m
11:23PM0.15m
11:43AM1.01m
11:57PM0.12m
12:17PM0.99m
00:32AM0.11m
12:51PM0.97m
1:06AM0.13m
1:27PM0.95m
1:41AM0.17m
2:08PM0.93m
2:17AM0.25m
2:53PM0.90m
2:55AM0.36m
3:46PM0.85m
3:37AM0.50m
4:48PM0.78m
Wave
height (m) 
direction
period (s) 
1.2
NW
5
0.8
NW
4
0.7
WNW
4
0.9
WNW
4
0.6
WNW
4
0.5
W
3
0.7
WNW
4
0.6
NW
3
0.3
ESE
13
0.4
SSW
6
0.5
E
9
0.4
ESE
9
0.6
E
6
0.6
ESE
4
0.6
ESE
7
1.3
SE
7
1.3
SE
8
1.8
SE
8
2.4
SE
9
2.5
SE
10
2.5
SE
10
2.5
SE
11
2.3
SE
12
1.6
SE
11
1.2
SE
10
1.1
SE
10
1.1
SE
10
1.5
WNW
5
0.9
E
15
0.7
E
14
0.6
E
13
0.6
E
13
1.6
SSW
7
2.1
W
6
1.9
WNW
6
1.3
WNW
5
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
light rain
part cloud
part cloud
heavy rain
heavy rain
heavy rain
part cloud
clear
part cloud
clear
clear
part cloud
cloud
clear
clear
clear
cloud
part cloud
heavy rain
rain showers
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
light rain
some clouds
some clouds
heavy rain
heavy rain
heavy rain
some clouds
clear
some clouds
clear
clear
some clouds
cloudy
clear
clear
clear
cloudy
some clouds
heavy rain
rain shwrs
some clouds
clear
clear
 km/h
25
NW
20
NW
25
WNW
15
WNW
15
WNW
20
WNW
10
NW
5
NNE
5
W
10
NNE
5
N
5
SE
5
NNE
5
NNE
10
N
5
NE
10
ENE
10
SE
10
N
30
NW
40
NW
20
NW
20
NW
15
NW
10
N
10
WNW
25
WNW
25
NW
10
NW
10
NW
10
NW
10
ENE
25
WNW
30
WNW
30
WNW
25
WNW
 mm 
1
17
15
16
12
1
max°C
7
10
11
10
12
14
12
12
14
12
13
14
14
14
15
15
16
16
16
14
13
7
9
11
8
9
10
8
9
10
9
7
10
9
7
9
Moonrise
3:16
4:15
5:14
6:12
7:07
7:56
8:40
9:18
9:50
10:20
10:46
11:13
Moonset
1:45
2:18
2:56
3:40
4:32
5:29
6:29
7:32
8:35
9:37
10:40
Sunrise
6:48
6:50
6:50
6:50
6:52
6:52
6:52
6:52
6:54
6:54
6:54
6:54
Sunset
4:39
4:39
4:40
4:40
4:40
4:42
4:42
4:43
4:43
4:44
4:45
4:45
Today's sea temperature in Kosai-shi is
17.3° C
(Statistics for 15 Dec 1981-2005 – mean: 19.8 max: 21.8 min: 18.4°C)
Issued (local time): 8 pm Monday 15 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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