Katsuura Sea Conditions and Tide Table

Katsuura 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 05:54 AM and sunset is at 05:43 PM.

Days 1–3 Weather Summary

Mostly dry. Cool air temperatures (max 10°C on Sat morning, min 6°C on Thu morning). Winds decreasing (strong winds from the NNE on Sat morning, light winds from the NNE by Sat night).

Days 4–6 Weather Summary

Light rain (total 4mm), mostly falling on Mon afternoon. Cool air temperatures (max 14°C on Tue afternoon, min 9°C on Mon afternoon). Wind will be generally light.

Days 7–9 Weather Summary

Heavy rain (total 27mm), heaviest during Fri afternoon. Very mild (max 17°C on Fri morning, min 7°C on Fri night). Winds increasing (calm on Wed night, strong winds from the NNE by Fri afternoon).

Days 10–12 Weather Summary

Light rain (total 9mm), mostly falling on Sat night. Very mild (max 14°C on Tue morning, min 8°C on Sat morning). Winds increasing (calm on Sun night, fresh winds from the WSW by Mon night).

Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Fri
27
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
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
Wave Height Map
High Tide
7:42AM1.25m
8:00AM1.17m
4:01AM1.17m
11:51AM1.12m
3:50AM1.22m
1:37PM1.19m
3:59AM1.28m
2:37PM1.28m
4:13AM1.34m
3:24PM1.36m
4:29AM1.38m
4:08PM1.43m
4:47AM1.42m
4:50PM1.46m
5:06AM1.45m
5:34PM1.46m
5:26AM1.47m
6:18PM1.42m
7:06PM1.33m
6:09AM1.48m
8:02PM1.22m
6:33AM1.46m
9:18PM1.11m
6:58AM1.41m
7:26AM1.33m
Low Tide
5:16PM0.52m
7:07PM0.48m
8:32AM1.08m
8:10PM0.39m
8:54AM0.98m
8:52PM0.32m
9:20AM0.86m
9:27PM0.27m
9:47AM0.72m
9:59PM0.26m
10:16AM0.58m
10:30PM0.29m
10:46AM0.43m
11:01PM0.36m
11:18AM0.30m
11:30PM0.48m
11:52AM0.20m
11:58PM0.61m
12:30PM0.15m
00:24AM0.75m
1:11PM0.15m
00:47AM0.88m
2:00PM0.20m
1:00AM0.99m
3:04PM0.28m
Wave
height (m) 
direction
period (s) 
1.7
E
14
1.8
E
13
1.9
E
14
2.2
E
14
2.5
E
16
3
E
16
3.5
E
16
3
E
16
2.5
E
15
2.5
E
15
2.4
E
17
2.3
E
16
2.2
E
15
2.2
E
15
2.3
E
14
2.3
E
13
2.1
E
13
1.9
E
13
1.7
E
13
1.7
E
13
1.7
E
13
1.7
E
13
1.8
E
13
1.9
E
14
2.3
E
14
2.4
E
14
3
E
14
2.5
E
13
2.3
E
13
2.1
E
13
1.9
E
13
2.1
E
13
1.9
ENE
13
1.6
E
12
1.5
E
12
1.6
E
12
1.4
E
12
1.1
E
12
1
E
11
0.9
ENE
11
0.9
ENE
11
1
E
11
1.8
E
7
1.7
ESE
7
2
ESE
7
3.5
SSE
8
3.5
S
9
clear
clear
part cloud
part cloud
cloud
part cloud
clear
clear
clear
part cloud
part cloud
clear
part cloud
rain showers
part cloud
light rain
rain showers
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
light rain
mod rain
heavy rain
light rain
cloud
cloud
mod rain
light rain
part cloud
clear
part cloud
light rain
rain showers
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
rain showers
light rain
light rain
rain showers
clear
clear
some clouds
some clouds
cloudy
some clouds
clear
clear
clear
some clouds
some clouds
clear
some clouds
rain shwrs
some clouds
light rain
rain shwrs
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
light rain
mod rain
heavy rain
light rain
cloudy
cloudy
mod rain
light rain
some clouds
clear
some clouds
light rain
rain shwrs
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
some clouds
rain shwrs
light rain
light rain
rain shwrs
 km/h
25
NNE
20
ENE
20
NNE
30
NNE
35
NE
40
NE
40
NNE
30
NE
15
NNE
15
NNE
15
ENE
10
ENE
10
ENE
5
S
10
ESE
10
ESE
10
SE
10
WSW
5
NNE
10
SSE
0
N
15
NE
5
ESE
20
SSW
40
SW
45
NNE
35
NNE
25
NNE
15
ENE
15
SW
20
N
10
NNE
10
NNW
5
NE
25
S
30
SW
20
W
5
SSE
5
WSW
5
NE
10
NE
20
NNE
25
ENE
20
SE
35
S
60
S
35
WSW
 mm 
2
1
1
1
8
16
2
6
1
1
1
1
5
3
2
max°C
9
9
9
8
9
9
10
10
10
11
11
10
12
10
11
12
14
13
14
14
14
15
15
16
17
10
8
10
11
12
10
10
10
12
13
13
15
15
14
15
15
15
16
16
17
19
16
Moonrise
1:24
2:14
2:59
3:37
4:11
4:41
5:09
5:36
6:03
6:33
7:07
7:47
8:35
9:33
10:38
11:48
Moonset
10:44
11:40
12:41
1:44
2:49
3:54
5:00
6:06
7:15
8:27
9:40
10:54
12:05
1:09
2:02
Sunrise
5:54
5:52
5:52
5:50
5:48
5:48
5:46
5:45
5:43
5:41
5:41
5:39
5:37
5:35
5:35
5:33
Sunset
5:43
5:43
5:44
5:45
5:45
5:46
5:47
5:47
5:49
5:50
5:51
5:52
5:52
5:52
5:53
5:54
Today's sea temperature in Katsuura is
15.3° C
(Statistics for 12 Mar 1981-2005 – mean: 16.8 max: 18.1 min: 15.3°C)
Issued (local time): 8 am Thursday 12 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest