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 04:39 PM.

Days 1–4 Weather Summary

Mostly dry. Cool air temperatures (max 14°C on Wed afternoon, min 5°C on Mon night). Winds decreasing (fresh winds from the NW on Mon afternoon, calm by Thu morning).

Days 5–7 Weather Summary

Light rain (total 3mm), mostly falling on Sat 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

Heavy rain (total 24mm), heaviest during Sun night. Very mild (max 15°C on Sun afternoon, min 5°C on Tue night). Wind will be generally light.

Days 11–13 Weather Summary

Light rain (total 4mm), mostly falling on Thu afternoon. Very mild (max 10°C on Wed afternoon, min 4°C on Thu night). Winds increasing (light winds from the NW on Wed night, fresh winds from the WNW by Sat afternoon).

Mon
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Sat
27
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
AM
Wave Height Map
High Tide
1:47PM1.44m
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
Wave
height (m) 
direction
period (s) 
1.5
WNW
5
1.2
NW
5
0.8
NW
4
0.8
WNW
4
0.8
WNW
4
0.6
WNW
3
0.8
WNW
3
0.7
WNW
3
0.5
NW
3
0.4
ESE
4
0.5
S
5
0.5
E
9
0.4
E
14
0.5
E
13
0.5
E
12
1.3
SE
7
1.3
SE
8
1.1
SE
8
1.1
SE
8
1.4
SE
8
1.6
SE
8
1.8
SE
9
2.3
SE
11
1.9
SE
11
1.6
SE
11
1.4
SE
11
1.1
SE
10
1
SE
10
0.9
SE
9
0.6
SE
9
0.7
E
14
1.3
WNW
5
1.7
WNW
5
1.3
WNW
5
0.9
WNW
4
0.9
WNW
4
clear
clear
clear
clear
clear
clear
cloud
part cloud
clear
clear
clear
clear
clear
part cloud
light rain
part cloud
part cloud
cloud
light rain
heavy rain
part cloud
cloud
rain showers
clear
clear
part cloud
cloud
clear
part cloud
cloud
light rain
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
cloudy
some clouds
clear
clear
clear
clear
clear
some clouds
light rain
some clouds
some clouds
cloudy
light rain
heavy rain
some clouds
cloudy
rain shwrs
clear
clear
some clouds
cloudy
clear
some clouds
cloudy
light rain
clear
clear
some clouds
clear
clear
 km/h
30
NW
25
NW
20
NW
25
WNW
15
WNW
15
WNW
20
WNW
10
NW
5
NNE
5
S
5
N
5
N
5
SSW
10
NNE
5
NNE
5
NNE
5
NNE
5
NE
5
ENE
5
NNE
10
NW
15
NW
20
NW
20
NW
20
NW
10
NNW
5
NNW
15
WNW
15
NW
5
NW
15
NNW
20
NW
30
NW
30
NW
15
NW
20
WNW
 mm 
3
3
20
1
4
max°C
11
7
9
11
10
12
14
11
12
13
12
13
14
14
13
15
14
16
15
15
15
15
11
10
11
6
10
10
8
8
6
6
8
9
6
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
4:39
4:40
4:40
4:40
4:42
4:42
4:43
4:43
4:44
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): 2 pm Monday 15 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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