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 05:22 AM and sunset is at 06:00 PM.

Days 1–3 Weather Summary

Moderate rain (total 17mm), heaviest on Sat night. Warm air temperatures (max 20°C on Sun morning, min 14°C on Mon night). Winds decreasing (gales from the S on Sat night, calm by Sun night).

Days 4–6 Weather Summary

Moderate rain (total 10mm), heaviest on Tue night. Cool air temperatures (max 16°C on Tue afternoon, min 11°C on Tue night). Mainly strong winds.

Days 7–9 Weather Summary

Light rain (total 7mm), mostly falling on Fri night. Very mild (max 18°C on Sat afternoon, min 12°C on Sun night). Winds increasing (calm on Fri night, fresh winds from the NE by Sun night).

Days 10–12 Weather Summary

Some drizzle, heaviest during Mon night. Very mild (max 17°C on Wed morning, min 11°C on Mon morning). Winds decreasing (fresh winds from the NE on Mon morning, calm by Wed night).

Saturday
4
Sunday
5
Monday
6
Tuesday
7
Wednesday
8
Thursday
9
Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sun
19
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
6:10PM1.35m
6:47PM1.29m
7:26PM1.21m
8:12PM1.12m
6:18AM1.36m
9:20PM1.05m
6:41AM1.30m
7:05AM1.22m
3:31AM1.12m
7:38AM1.12m
2:23AM1.17m
11:26AM1.06m
2:34AM1.24m
1:17PM1.12m
2:50AM1.30m
2:23PM1.22m
3:09AM1.35m
3:15PM1.31m
3:29AM1.40m
4:03PM1.39m
3:50AM1.44m
4:50PM1.44m
4:13AM1.48m
Low Tide
11:36AM0.19m
11:36PM0.72m
12:06PM0.18m
11:57PM0.80m
12:37PM0.21m
00:16AM0.87m
1:13PM0.27m
00:31AM0.93m
1:54PM0.35m
00:40AM0.98m
2:50PM0.43m
4:13PM0.49m
4:20AM1.11m
5:53PM0.50m
7:51AM1.01m
7:07PM0.47m
8:19AM0.87m
7:59PM0.44m
8:47AM0.71m
8:41PM0.44m
9:16AM0.53m
9:19PM0.47m
9:46AM0.36m
9:55PM0.53m
10:19AM0.20m
10:30PM0.63m
Wave
height (m) 
direction
period (s) 
1.9
SSE
6
2.4
SSE
7
4.5
S
9
3
S
9
2.3
SSE
9
2
SSE
8
1.3
SE
8
1.1
SE
8
1
ESE
8
0.9
ESE
9
1.6
SE
8
1.9
ESE
7
1.2
ESE
7
1.3
E
7
1.4
ESE
6
1.1
SE
6
1.1
SE
6
1
ESE
9
1
ESE
9
0.9
ESE
8
0.9
ESE
8
1.4
SSE
6
1.2
SSE
7
1.1
SSE
7
1.1
SE
12
1.2
SE
12
1.1
SE
11
2.3
ENE
8
1.9
ENE
8
1.6
ENE
8
1.2
ESE
10
1.1
ESE
10
1.2
ESE
11
1.2
ESE
10
1.1
ESE
10
1.1
ESE
10
1.2
SE
12
1.3
SE
11
1.4
SE
10
1.4
SE
9
1.4
ESE
9
1.4
SSE
12
1.7
SSE
11
1.7
SE
9
2.3
SSW
14
2.4
SSE
11
1.9
SE
10
light rain
light rain
rain showers
cloud
cloud
clear
part cloud
part cloud
light rain
light rain
light rain
rain showers
cloud
cloud
rain showers
clear
clear
part cloud
cloud
cloud
mod rain
part cloud
part cloud
part cloud
part cloud
part cloud
rain showers
cloud
cloud
rain showers
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
cloud
heavy rain
heavy rain
heavy rain
part cloud
clear
clear
light rain
light rain
rain shwrs
cloudy
cloudy
clear
some clouds
some clouds
light rain
light rain
light rain
rain shwrs
cloudy
cloudy
rain shwrs
clear
clear
some clouds
cloudy
cloudy
mod rain
some clouds
some clouds
some clouds
some clouds
some clouds
rain shwrs
cloudy
cloudy
rain shwrs
clear
clear
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
some clouds
cloudy
heavy rain
heavy rain
heavy rain
some clouds
clear
clear
 km/h
40
S
45
S
60
S
30
SW
25
SW
25
WSW
10
ENE
15
SSW
25
SW
20
SW
30
WSW
25
NE
15
ESE
25
SSE
25
SSE
15
SSW
25
SW
20
SW
15
SSW
10
SW
5
ESE
20
NNW
10
NE
10
NNE
10
E
10
SE
15
NE
30
NE
20
ENE
5
NE
0
SE
15
S
25
SSW
25
SSW
25
SSW
10
S
20
ENE
15
E
5
ESE
10
ENE
10
E
5
NNE
15
NE
15
NE
25
N
5
NW
20
SSW
 mm 
1
2
10
4
3
2
3
2
6
1
1
15
25
12
max°C
17
17
19
20
19
16
17
17
17
15
16
12
14
15
15
16
16
15
17
16
16
16
18
16
18
18
17
11
11
12
15
15
15
17
17
16
17
17
16
18
18
17
18
18
17
22
21
Moonrise
8:17
9:18
10:18
11:14
12:06
12:53
1:33
2:08
2:39
3:07
3:34
4:01
4:30
5:03
5:41
Moonset
6:02
6:33
7:08
7:49
8:36
9:29
10:27
11:29
12:31
1:35
2:40
3:45
4:53
6:04
7:19
8:36
Sunrise
5:22
5:20
5:20
5:18
5:16
5:16
5:13
5:13
5:11
5:09
5:09
5:07
5:05
5:05
5:03
5:01
Sunset
6:00
6:01
6:02
6:04
6:04
6:05
6:06
6:07
6:07
6:07
6:08
6:09
6:10
6:12
6:12
6:13
Today's sea temperature in Katsuura is
16.0° C
(Statistics for 04 Apr 1981-2005 – mean: 17.5 max: 19.5 min: 15.9°C)
Issued (local time): 8 am Saturday 04 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest