Harumi (Tokyo) Sea Conditions and Tide Table

Harumi (Tokyo) 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 06:39 AM and sunset is at 04:27 PM.

Days 1–3 Weather Summary

Light rain (total 4mm), mostly falling on Sat night. Cool air temperatures (max 15°C on Thu afternoon, min 3°C on Fri night). Winds increasing (calm on Thu morning, strong winds from the NNW by Fri morning).

Days 4–6 Weather Summary

Light rain (total 8mm), mostly falling on Sun morning. Cool air temperatures (max 11°C on Mon afternoon, min 5°C on Sun morning). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Very mild (max 13°C on Fri afternoon, min 7°C on Wed morning). Wind will be generally light.

Days 10–12 Weather Summary

Light rain (total 7mm), mostly falling on Mon night. Very mild (max 15°C on Sun afternoon, min 9°C on Sat morning). Wind will be generally light.

Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
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
9:58AM1.60m
8:49PM1.44m
10:41AM1.56m
10:34PM1.31m
11:27AM1.56m
00:51AM1.30m
12:14PM1.58m
2:23AM1.39m
1:01PM1.63m
3:23AM1.50m
1:46PM1.68m
4:07AM1.61m
2:28PM1.73m
4:45AM1.70m
3:08PM1.78m
5:20AM1.76m
3:44PM1.81m
5:54AM1.80m
4:20PM1.84m
6:28AM1.82m
4:53PM1.86m
7:01AM1.81m
5:27PM1.85m
Low Tide
3:43PM1.12m
3:55AM0.64m
5:18PM1.03m
4:54AM0.82m
6:46PM0.87m
6:02AM0.97m
7:46PM0.69m
7:11AM1.07m
8:30PM0.51m
8:13AM1.12m
9:08PM0.37m
9:06AM1.12m
9:44PM0.25m
9:51AM1.11m
10:17PM0.16m
10:32AM1.09m
10:51PM0.10m
11:09AM1.08m
11:25PM0.06m
11:44AM1.06m
11:58PM0.05m
12:18PM1.06m
00:31AM0.06m
Wave
height (m) 
direction
period (s) 
0.1
N
2
1
SW
4
1.3
SW
6
1.6
N
5
1.5
N
5
0.8
N
4
0.3
N
3
0.1
S
5
0.4
NNE
3
0.2
SSE
6
0.4
S
10
0.7
S
10
0.8
N
4
0.6
N
3
0.5
N
4
0.3
N
2
0.1
SW
6
0.1
S
6
0.1
S
5
0.1
S
4
0.1
S
4
0.4
N
3
0.2
NNE
2
0.2
NNE
2
0.3
N
3
0.2
NNE
2
0.4
NE
3
0.4
NNE
3
0.3
NNE
3
0.4
N
3
0.5
N
3
0.5
NE
3
0.8
NE
4
0.4
NE
3
0.2
ENE
2
0.1
SE
11
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
cloud
light rain
mod rain
rain showers
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
clear
part cloud
clear
clear
clear
part cloud
cloud
clear
clear
clear
part cloud
cloud
part cloud
light rain
some clouds
some clouds
clear
clear
clear
some clouds
some clouds
cloudy
light rain
mod rain
rain shwrs
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
some clouds
clear
some clouds
clear
clear
clear
some clouds
cloudy
clear
clear
clear
some clouds
cloudy
some clouds
light rain
 km/h
5
NNW
35
SW
20
NW
50
NNW
45
N
25
NNW
15
N
10
E
20
N
15
NNW
10
N
25
NNW
25
NNW
25
NNW
20
NNW
15
N
5
E
10
NNW
5
NNW
5
SSW
10
NNW
20
N
10
NE
10
N
15
N
10
NE
15
NNE
20
N
15
NNE
20
NNW
20
N
20
ENE
20
NE
15
NE
10
E
5
NNE
 mm 
4
7
1
4
max°C
12
15
14
6
6
4
5
6
6
6
9
10
10
11
8
7
9
9
9
12
12
10
12
11
11
13
12
12
14
14
13
15
12
12
12
12
Moonrise
11:15
12:14
1:12
2:10
3:09
4:08
5:08
6:06
7:01
7:51
8:34
Moonset
11:30
11:55
12:18
12:41
1:06
1:34
2:06
2:43
3:28
4:19
5:16
6:17
Sunrise
6:39
6:39
6:41
6:41
6:41
6:43
6:43
6:43
6:45
6:45
6:46
6:46
Sunset
4:27
4:27
4:28
4:28
4:28
4:28
4:29
4:29
4:30
4:30
4:30
4:30
Today's sea temperature in Harumi (Tokyo) is
15.0° C
(Statistics for 11 Dec 1981-2005 – mean: 19.2 max: 21.7 min: 17.5°C)
Issued (local time): 2 am Thursday 11 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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