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 06:46 AM and sunset is at 04:30 PM.

Days 1–3 Weather Summary

Moderate rain (total 14mm), heaviest on Wed afternoon. Cool air temperatures (max 11°C on Wed night, min 4°C on Mon night). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Cool air temperatures (max 13°C on Thu morning, min 3°C on Fri night). Winds decreasing (strong winds from the NNW on Fri morning, calm by Sat afternoon).

Days 7–9 Weather Summary

Mostly dry. Very mild (max 13°C on Tue afternoon, min 5°C on Sun morning). Wind will be generally light.

Days 10–12 Weather Summary

Heavy rain (total 43mm), heaviest during Fri night. Very mild (max 11°C on Wed afternoon, min 5°C on Thu morning). Mainly fresh winds.

Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
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
7:01AM1.81m
5:27PM1.85m
7:34AM1.79m
6:02PM1.83m
8:07AM1.76m
6:40PM1.78m
8:40AM1.72m
7:24PM1.69m
9:13AM1.69m
8:18PM1.57m
9:49AM1.66m
9:32PM1.44m
10:30AM1.65m
11:13PM1.36m
11:19AM1.64m
1:16AM1.40m
12:17PM1.66m
2:54AM1.54m
1:20PM1.71m
4:01AM1.69m
2:21PM1.77m
4:56AM1.81m
3:17PM1.85m
5:38AM1.89m
Low Tide
12:18PM1.06m
00:31AM0.06m
12:52PM1.06m
1:05AM0.11m
1:29PM1.04m
1:41AM0.19m
2:10PM1.02m
2:18AM0.33m
3:01PM0.97m
2:59AM0.50m
4:06PM0.90m
3:48AM0.70m
5:26PM0.77m
4:52AM0.92m
6:46PM0.58m
6:21AM1.09m
7:52PM0.37m
7:55AM1.19m
8:49PM0.15m
9:03AM1.22m
9:40PM-0.02m
10:07AM1.19m
10:28PM-0.14m
Wave
height (m) 
direction
period (s) 
0.6
N
4
0.3
S
9
0.7
NE
4
0.4
NNE
3
0.2
NNE
3
0.2
ENE
2
0.3
N
3
0.3
SSE
6
0.6
S
8
0.4
SSW
8
0.3
SSW
8
0.3
SSW
7
0.8
N
3
1.4
NNW
5
0.5
N
4
0.4
N
3
0.1
S
5
0.3
N
2
0.2
N
2
0.1
N
2
0.2
NNE
2
0.5
N
3
0.5
N
3
0.6
N
3
0.3
N
2
0.1
N
2
0.2
N
2
0.7
N
4
0.2
NNE
2
0.3
NE
2
0.5
NNE
3
0.5
NE
3
0.4
NNE
3
0.5
N
3
0.4
NNE
3
0.4
NNE
3
cloud
part cloud
clear
clear
clear
part cloud
light rain
mod rain
rain showers
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
clear
part cloud
cloud
cloud
cloud
part cloud
clear
clear
part cloud
part cloud
cloud
cloud
part cloud
cloud
cloud
cloud
heavy rain
cloudy
some clouds
clear
clear
clear
some clouds
light rain
mod rain
rain shwrs
some clouds
some clouds
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
clear
some clouds
cloudy
cloudy
cloudy
some clouds
clear
clear
some clouds
some clouds
cloudy
cloudy
some clouds
cloudy
cloudy
cloudy
heavy rain
 km/h
20
N
15
ENE
20
NE
15
NNE
10
ENE
5
NE
15
N
15
NNW
5
NNW
5
NNE
5
NNE
5
NNW
35
NNW
45
NNW
20
NNW
15
N
5
NW
15
N
15
NNW
10
NNE
15
N
25
NNW
20
N
25
NNW
15
NNW
5
W
15
N
25
N
10
E
15
N
20
NNE
20
NE
20
NNW
25
N
20
N
20
N
 mm 
4
9
1
43
max°C
9
10
7
7
10
9
5
7
11
13
13
12
10
7
4
5
7
7
6
8
8
6
7
8
11
13
11
9
11
9
6
7
7
8
9
9
Moonrise
8:34
9:11
9:43
10:12
10:38
11:04
11:30
11:58
12:32
1:12
2:02
3:03
Moonset
6:17
7:20
8:23
9:27
10:30
11:34
12:41
1:51
3:06
4:22
5:36
Sunrise
6:46
6:47
6:47
6:48
6:48
6:48
6:48
6:48
6:48
6:50
6:50
6:50
Sunset
4:30
4:30
4:31
4:32
4:32
4:34
4:34
4:35
4:36
4:36
4:37
4:37
Today's sea temperature in Harumi (Tokyo) is
12.8° C
(Statistics for 22 Dec 1981-2005 – mean: 18.5 max: 20.0 min: 16.8°C)
Issued (local time): 2 am Monday 22 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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