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 — and sunset is at —.

Days 1–4 Weather Summary

Mostly dry. Cool air temperatures (max 15°C on Fri afternoon, min 7°C on Wed night). Winds decreasing (strong winds from the WSW on Thu night, calm by Fri night).

Days 5–7 Weather Summary

Light rain (total 6mm), mostly falling on Sun night. Cool air temperatures (max 12°C on Sat night, min 9°C on Sat night). Wind will be generally light.

Days 8–10 Weather Summary

Light rain (total 4mm), mostly falling on Tue night. Mild temperatures (max 6°C on Fri morning, min 2°C on Wed night). Winds increasing (calm on Wed afternoon, fresh winds from the WSW by Fri afternoon).

Days 11–13 Weather Summary

Mostly dry. Mild temperatures (max 7°C on Sun afternoon, min 2°C on Sun night). Winds decreasing (strong winds from the W on Sun morning, light winds from the NE by Mon afternoon).

Thursday
15
Friday
16
Saturday
17
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunday
25
Mon
26
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
4:29AM1.14m
12:54PM1.27m
4:49AM1.21m
1:55PM1.31m
5:12AM1.26m
2:46PM1.36m
5:35AM1.29m
3:30PM1.41m
5:59AM1.32m
4:11PM1.45m
6:22AM1.34m
4:50PM1.46m
6:45AM1.36m
5:30PM1.44m
7:08AM1.37m
6:11PM1.38m
7:31AM1.38m
6:56PM1.30m
7:55AM1.38m
7:48PM1.19m
8:21AM1.37m
8:55PM1.08m
8:49AM1.36m
Low Tide
8:14PM0.36m
7:49AM1.09m
9:00PM0.26m
8:57AM1.07m
9:41PM0.18m
9:41AM1.03m
10:17PM0.11m
10:17AM0.98m
10:51PM0.07m
10:50AM0.93m
11:23PM0.06m
11:24AM0.87m
11:53PM0.08m
12:00PM0.80m
00:23AM0.14m
12:38PM0.73m
00:52AM0.23m
1:19PM0.66m
1:21AM0.36m
2:04PM0.60m
1:50AM0.52m
2:58PM0.54m
2:19AM0.69m
4:05PM0.48m
Wave
height (m) 
direction
period (s) 
0.9
SSW
9
0.7
SE
10
0.9
SSE
8
2.5
SW
7
1.7
SW
7
1.1
SW
7
0.6
ENE
13
0.7
ENE
12
0.8
ENE
12
0.8
ENE
11
1.1
ENE
8
1.3
ENE
6
1.3
ENE
6
1.4
E
6
1.5
E
6
1.6
ENE
13
1.6
ENE
13
1.3
ENE
12
1.7
E
12
1.4
E
11
1.1
ENE
13
1.1
E
12
1.1
E
13
1
E
13
1.3
SW
8
1.3
SW
8
2
WSW
8
1.9
SW
8
1.6
SW
8
1.7
WSW
7
1.8
SW
8
2.3
WSW
8
2.5
WSW
8
1
SW
9
0.8
SW
8
0.6
SW
8
clear
cloud
part cloud
clear
clear
clear
part cloud
clear
clear
part cloud
cloud
cloud
light rain
light rain
light rain
part cloud
part cloud
light rain
light rain
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
cloudy
some clouds
clear
clear
clear
some clouds
clear
clear
some clouds
cloudy
cloudy
light rain
light rain
light rain
some clouds
some clouds
light rain
light rain
cloudy
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
 km/h
10
NNE
10
NNW
20
SW
50
WSW
15
WNW
10
ENE
5
ESE
10
WNW
15
W
20
N
20
NNE
25
ENE
20
ENE
20
NE
20
ENE
15
WSW
15
NNW
15
NE
25
N
20
N
10
N
15
W
25
N
5
WSW
10
NNW
15
W
35
WSW
20
WNW
20
W
25
WSW
25
W
40
WSW
40
W
10
N
20
N
5
NE
 mm 
2
2
1
1
4
max°C
9
9
11
14
14
15
13
13
14
12
9
9
9
11
11
11
11
10
5
4
4
4
4
5
4
6
6
5
6
6
5
6
7
3
5
6
Moonrise
3:54
4:50
5:42
6:28
7:08
7:42
8:12
8:39
9:05
9:31
9:59
10:30
Moonset
1:22
2:11
3:07
4:07
5:11
6:15
7:19
8:22
9:26
10:31
11:38
Sunrise
6:46
6:46
6:46
6:46
6:45
6:45
6:43
6:43
6:43
6:43
6:43
6:41
Sunset
4:49
4:50
4:51
4:52
4:52
4:53
4:54
4:55
4:57
4:58
4:59
5:00
Today's sea temperature in Katsuura is
16.6° C
(Statistics for 14 Jan 1981-2005 – mean: 17.6 max: 18.6 min: 15.9°C)
Issued (local time): 8 pm Wednesday 14 Jan 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest