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 06:45 AM and sunset is at 04:30 PM.

Days 1–3 Weather Summary

Heavy rain (total 26mm), heaviest during Sun morning. Cool air temperatures (max 16°C on Sat afternoon, min 6°C on Fri morning). Winds increasing (calm on Fri afternoon, fresh winds from the NNW by Sun night).

Days 4–6 Weather Summary

Moderate rain (total 14mm), heaviest on Wed afternoon. Cool air temperatures (max 12°C on Wed morning, min 5°C on Mon night). Winds increasing (calm on Wed morning, strong winds from the NNW by Wed night).

Days 7–9 Weather Summary

Heavy rain (total 24mm), heaviest during Sat night. Very mild (max 11°C on Sat night, min 5°C on Thu night). Mainly fresh winds.

Days 10–12 Weather Summary

Light rain (total 4mm), mostly falling on Mon night. Very mild (max 15°C on Sun afternoon, min 6°C on Tue night). Winds decreasing (strong winds from the NNW on Mon night, calm by Tue night).

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
3:44PM1.81m
5:54AM1.80m
4:20PM1.84m
6:28AM1.82m
4:53PM1.86m
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
Low Tide
10:32AM1.09m
10:51PM0.10m
11:09AM1.08m
11:25PM0.06m
11:44AM1.06m
11:58PM0.05m
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
Wave
height (m) 
direction
period (s) 
0.2
NNE
2
0.1
S
5
0
W
5
0.5
S
4
0.5
SSW
3
0.5
S
3
1.5
S
5
1.1
SSW
4
0.7
S
8
0.7
N
4
0.3
S
8
0.6
ENE
4
0.4
NNE
3
0.1
NE
2
0.1
S
8
0.1
S
8
1.1
S
4
0.9
SSW
7
1
N
4
0.3
S
7
0.4
ENE
3
0.5
NE
3
0.4
NE
3
0.4
NNE
3
0.5
N
3
0.5
N
3
0.3
N
3
0.9
NNW
4
0.2
S
6
0.5
N
3
0.3
N
2
0.4
NNW
3
0.5
N
3
1.2
NNW
5
0.4
SW
10
0.3
SW
9
clear
clear
part cloud
cloud
part cloud
heavy rain
heavy rain
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
cloud
cloud
mod rain
light rain
cloud
clear
clear
cloud
cloud
part cloud
cloud
light rain
heavy rain
rain showers
cloud
cloud
cloud
part cloud
rain showers
clear
clear
clear
clear
clear
some clouds
cloudy
some clouds
heavy rain
heavy rain
some clouds
some clouds
some clouds
some clouds
clear
some clouds
some clouds
cloudy
cloudy
mod rain
light rain
cloudy
clear
clear
cloudy
cloudy
some clouds
cloudy
light rain
heavy rain
rain shwrs
cloudy
cloudy
cloudy
some clouds
rain shwrs
clear
clear
clear
 km/h
15
N
5
SE
5
NW
5
WSW
20
SW
15
SSW
30
S
15
SW
30
NNW
25
N
15
NE
20
NE
15
N
5
ENE
10
N
0
SSE
10
WNW
25
N
30
N
10
ENE
15
NE
15
NNE
15
NE
20
N
20
N
20
N
15
NNW
25
NNW
5
SSW
20
N
15
N
15
NNW
20
N
35
NW
20
NW
10
N
 mm 
13
13
9
5
1
23
1
3
max°C
9
12
11
14
16
16
16
16
14
9
11
8
7
10
10
12
12
12
8
9
7
7
9
8
8
8
11
13
15
12
11
13
10
8
10
8
Moonrise
6:06
7:01
7:51
8:34
9:11
9:43
10:12
10:38
11:04
11:30
11:58
12:32
Moonset
3:28
4:19
5:16
6:17
7:20
8:23
9:27
10:30
11:34
12:41
1:51
Sunrise
6:45
6:45
6:46
6:46
6:47
6:47
6:48
6:48
6:48
6:48
6:48
6:48
Sunset
4:30
4:30
4:30
4:30
4:30
4:31
4:32
4:32
4:34
4:34
4:35
4:36
Today's sea temperature in Harumi (Tokyo) is
13.6° C
(Statistics for 19 Dec 1981-2005 – mean: 18.7 max: 20.0 min: 17.3°C)
Issued (local time): 8 am Friday 19 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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