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 05:21 PM.

Days 1–4 Weather Summary

Light rain (total 8mm), mostly falling on Mon night. Cool air temperatures (max 12°C on Wed afternoon, min 3°C on Wed night). Winds decreasing (fresh winds from the NE on Mon night, light winds from the NNW by Wed morning).

Days 5–7 Weather Summary

Mostly dry. Cool air temperatures (max 12°C on Sat afternoon, min 8°C on Thu night). Winds increasing (calm on Thu night, fresh winds from the NNE by Sat afternoon).

Days 8–10 Weather Summary

Moderate rain (total 14mm), heaviest on Wed morning. Very mild (max 18°C on Wed morning, min 12°C on Sun afternoon). Winds increasing (light winds from the SSW on Sun afternoon, strong winds from the SSW by Wed morning).

Days 11–13 Weather Summary

Heavy rain (total 21mm), heaviest during Wed night. Very mild (max 18°C on Wed afternoon, min 3°C on Thu night). Winds decreasing (strong winds from the NNE on Wed night, calm by Fri afternoon).

Mon
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
1
Monday
2
Tuesday
3
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
night
Wave Height Map
High Tide
3:30PM1.40m
5:22AM1.35m
4:12PM1.45m
5:40AM1.39m
4:52PM1.47m
5:59AM1.41m
5:33PM1.46m
6:18AM1.43m
6:15PM1.41m
6:38AM1.44m
7:00PM1.33m
6:59AM1.44m
7:51PM1.22m
7:21AM1.43m
8:57PM1.09m
7:45AM1.40m
11:02PM0.99m
8:13AM1.36m
8:56AM1.30m
4:36AM1.21m
11:04AM1.23m
4:17AM1.26m
1:18PM1.27m
4:29AM1.30m
2:35PM1.35m
4:45AM1.33m
3:30PM1.42m
5:02AM1.36m
Low Tide
10:32PM0.12m
10:38AM0.78m
11:01PM0.12m
11:09AM0.67m
11:30PM0.17m
11:42AM0.57m
11:58PM0.25m
12:16PM0.47m
00:26AM0.38m
12:53PM0.40m
00:52AM0.53m
1:34PM0.35m
1:16AM0.69m
2:23PM0.34m
1:34AM0.84m
3:25PM0.36m
1:25AM0.97m
4:56PM0.38m
6:47PM0.34m
7:18AM1.19m
8:08PM0.25m
8:48AM1.09m
9:04PM0.18m
9:26AM0.96m
9:47PM0.14m
9:59AM0.82m
10:22PM0.16m
Wave
height (m) 
direction
period (s) 
2
ENE
6
2.3
ENE
7
2.1
ENE
8
1.6
ENE
7
1.2
E
6
1.1
E
11
1.3
ESE
8
1.4
SSW
8
1.2
ENE
7
0.8
E
12
0.7
E
12
0.7
ENE
15
0.7
E
14
0.8
E
13
1
E
13
1.6
NE
6
1.4
ENE
7
1.5
E
8
1.3
E
8
1.4
E
8
1.4
E
8
1.5
E
9
1.5
E
8
1.5
ESE
8
2.1
ESE
8
2.4
SE
8
2.5
SSE
8
3
SSE
9
3
SE
9
2.5
E
9
2.5
ENE
10
2.5
ENE
9
1.8
E
11
1.7
E
13
1.9
E
16
1.9
ENE
15
1.6
ENE
14
1.4
ENE
14
1.3
ENE
13
1
ENE
13
0.9
ENE
13
0.8
ENE
13
0.7
ENE
12
1
E
12
1.1
SSE
8
1
E
11
1.5
SW
6
cloud
mod rain
cloud
part cloud
rain showers
part cloud
clear
clear
clear
clear
clear
cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
part cloud
clear
clear
part cloud
cloud
rain showers
mod rain
light rain
heavy rain
light rain
cloud
cloud
part cloud
cloud
part cloud
clear
clear
part cloud
part cloud
cloud
part cloud
clear
part cloud
part cloud
cloud
cloud
part cloud
cloudy
mod rain
cloudy
some clouds
rain shwrs
some clouds
clear
clear
clear
clear
clear
cloudy
cloudy
cloudy
cloudy
some clouds
clear
clear
clear
clear
some clouds
clear
clear
some clouds
cloudy
rain shwrs
mod rain
light rain
heavy rain
light rain
cloudy
cloudy
some clouds
cloudy
some clouds
clear
clear
some clouds
some clouds
cloudy
some clouds
clear
some clouds
some clouds
cloudy
cloudy
some clouds
 km/h
35
ENE
35
NE
30
NNE
20
NE
10
NNE
10
NNW
30
WSW
25
N
25
N
10
NNW
5
W
5
SSE
5
E
10
NW
30
NNW
30
NNE
20
N
10
N
15
SSW
20
SW
20
SW
25
SW
25
SSW
20
SW
30
SSW
30
SSW
30
SSW
30
SW
40
NNE
30
NNE
35
NE
35
NNE
20
NNE
5
NW
15
N
15
N
5
SSW
0
WSW
15
NNE
10
SSW
5
SSW
15
NNE
10
SSE
25
SW
10
WNW
20
SW
30
WSW
 mm 
7
1
4
10
5
14
2
max°C
10
9
8
8
8
10
12
9
7
9
8
10
10
10
11
12
10
11
12
13
15
15
14
16
16
17
18
18
9
6
6
6
6
7
6
7
8
8
11
12
9
12
12
12
13
14
13
Moonrise
6:13
6:42
7:08
7:35
8:02
8:32
9:07
9:49
10:39
11:39
12:46
1:58
3:09
4:18
5:24
Moonset
4:01
5:06
6:11
7:16
8:22
9:30
10:40
11:52
1:04
2:13
3:13
4:04
4:46
5:21
5:51
Sunrise
6:22
6:22
6:20
6:20
6:18
6:18
6:16
6:15
6:13
6:13
6:11
6:09
6:09
6:07
6:07
Sunset
5:21
5:22
5:22
5:23
5:24
5:25
5:25
5:27
5:28
5:29
5:30
5:30
5:31
5:32
5:34
5:35
Today's sea temperature in Katsuura is
16.5° C
(Statistics for 16 Feb 1981-2005 – mean: 16.5 max: 17.9 min: 15.0°C)
Issued (local time): 2 pm Monday 16 Feb 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest