Hitachi Sea Conditions and Tide Table

Hitachi 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 06:43 AM and sunset is at 04:22 PM.

Days 1–3 Weather Summary

Moderate rain (total 19mm), heaviest on Sun morning. Cool air temperatures (max 16°C on Sun morning, min 6°C on Fri morning). Wind will be generally light.

Days 4–6 Weather Summary

Moderate rain (total 16mm), heaviest on Wed night. Cool air temperatures (max 10°C on Wed afternoon, min 3°C on Mon night). Wind will be generally light.

Days 7–9 Weather Summary

Moderate rain (total 10mm), heaviest on Sat night. Very mild (max 13°C on Sat night, min 3°C on Thu night). Winds increasing (light winds from the NNE on Fri morning, fresh winds from the ESE by Sat night).

Days 10–12 Weather Summary

Heavy rain (total 22mm), heaviest during Sun morning. Very mild (max 14°C on Sun morning, min 4°C on Tue night). Mainly fresh winds.

Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
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
2:19PM1.34m
5:14AM1.22m
2:56PM1.37m
5:47AM1.22m
3:34PM1.38m
6:19AM1.22m
4:11PM1.38m
6:51AM1.22m
4:49PM1.36m
7:23AM1.21m
5:30PM1.30m
7:55AM1.21m
6:16PM1.23m
8:27AM1.21m
7:12PM1.12m
8:59AM1.22m
8:28PM1.02m
9:33AM1.23m
10:21PM0.95m
10:10AM1.24m
00:45AM0.97m
10:52AM1.27m
2:39AM1.07m
Low Tide
9:07AM0.98m
9:52PM0.09m
9:42AM0.97m
10:28PM0.06m
10:16AM0.96m
11:03PM0.05m
10:51AM0.94m
11:38PM0.07m
11:29AM0.93m
00:12AM0.12m
12:12PM0.90m
00:47AM0.19m
1:02PM0.87m
1:22AM0.29m
2:01PM0.81m
1:59AM0.42m
3:11PM0.73m
2:39AM0.57m
4:28PM0.61m
3:27AM0.73m
5:43PM0.47m
4:31AM0.89m
6:49PM0.30m
Wave
height (m) 
direction
period (s) 
0.8
ENE
13
0.7
ENE
13
0.7
ENE
12
0.9
ENE
11
0.9
ESE
7
1.2
SSE
6
1.8
SSE
7
2
SSE
8
1.7
SE
9
1.8
SE
9
1.9
SE
9
1.4
SE
9
1.1
SE
9
0.9
ESE
9
0.9
SE
8
1.1
ESE
7
1.5
SE
6
1.9
SE
8
1.9
ESE
8
1.8
E
8
1.4
E
10
1.4
E
13
1.5
E
14
1.6
E
14
1.8
E
14
1.8
E
14
2.3
E
13
3.5
ESE
9
3
ESE
10
3
E
11
2.5
E
11
2.5
ENE
12
2.3
E
12
2.2
E
12
2.3
ENE
12
1.9
ENE
13
clear
part cloud
part cloud
cloud
part cloud
mod rain
mod rain
rain showers
light rain
clear
part cloud
clear
part cloud
part cloud
cloud
cloud
light rain
heavy rain
clear
clear
clear
part cloud
cloud
cloud
cloud
cloud
mod rain
rain showers
part cloud
cloud
cloud
cloud
light rain
clear
clear
clear
clear
some clouds
some clouds
cloudy
some clouds
mod rain
mod rain
rain shwrs
light rain
clear
some clouds
clear
some clouds
some clouds
cloudy
cloudy
light rain
heavy rain
clear
clear
clear
some clouds
cloudy
cloudy
cloudy
cloudy
mod rain
rain shwrs
some clouds
cloudy
cloudy
cloudy
light rain
clear
clear
clear
 km/h
5
WNW
10
S
10
WSW
10
WSW
15
SW
15
SSW
25
SSW
20
SSW
15
NNW
20
NNW
25
N
15
N
10
NNE
10
ENE
5
W
15
SW
5
W
10
NNW
25
NNW
25
N
15
N
10
NNE
10
ENE
10
N
10
NNE
15
NE
30
E
25
ESE
15
WNW
5
N
5
NNW
15
N
5
NNE
35
WNW
35
WNW
5
WNW
 mm 
6
10
2
1
4
12
10
20
2
max°C
8
10
11
12
15
15
16
16
15
7
6
4
7
8
8
9
10
10
8
7
3
7
7
7
10
11
13
14
14
11
13
12
8
6
6
5
Moonrise
6:05
7:00
7:50
8:33
9:10
9:41
10:09
10:35
11:00
11:25
11:53
12:26
Moonset
3:21
4:12
5:09
6:11
7:14
8:18
9:22
10:26
11:31
12:39
1:50
Sunrise
6:43
6:43
6:45
6:45
6:46
6:46
6:47
6:47
6:47
6:48
6:48
6:48
Sunset
4:22
4:23
4:23
4:24
4:24
4:25
4:25
4:27
4:28
4:28
4:29
4:30
Today's sea temperature in Hitachi is
16.4° C
(Statistics for 19 Dec 1981-2005 – mean: 18.0 max: 19.6 min: 16.1°C)
Issued (local time): 8 am Friday 19 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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