Komatusima Sea Conditions and Tide Table

Komatusima 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 —.

Days 1–4 Weather Summary

Mostly dry. Cool air temperatures (max 18°C on Sat afternoon, min 7°C on Thu night). Wind will be generally light.

Days 5–7 Weather Summary

Heavy rain (total 77mm), heaviest during Wed morning. Cool air temperatures (max 17°C on Wed morning, min 6°C on Mon night). Winds increasing (calm on Tue morning, strong winds from the SSE by Wed morning).

Days 8–10 Weather Summary

Some drizzle, heaviest during Fri night. Very mild (max 10°C on Wed night, min 4°C on Thu night). Winds decreasing (fresh winds from the NW on Wed night, light winds from the N by Fri night).

Days 11–13 Weather Summary

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

Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tue
30
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
Wave Height Map
High Tide
6:20AM1.43m
5:02PM1.48m
6:55AM1.48m
5:38PM1.51m
7:30AM1.50m
6:14PM1.51m
8:05AM1.50m
6:49PM1.50m
8:40AM1.47m
7:25PM1.47m
9:15AM1.43m
8:04PM1.42m
9:51AM1.39m
8:49PM1.34m
10:28AM1.35m
9:43PM1.24m
11:07AM1.33m
10:55PM1.13m
11:50AM1.32m
00:38AM1.07m
12:43PM1.33m
2:35AM1.13m
1:44PM1.36m
Low Tide
11:23PM0.09m
11:28AM0.86m
11:58PM0.04m
12:06PM0.84m
00:34AM0.00m
12:43PM0.83m
1:09AM-0.02m
1:19PM0.83m
1:45AM-0.01m
1:57PM0.82m
2:20AM0.02m
2:36PM0.82m
2:56AM0.08m
3:20PM0.80m
3:34AM0.18m
4:14PM0.76m
4:14AM0.32m
5:23PM0.68m
5:02AM0.49m
6:44PM0.56m
6:03AM0.67m
7:59PM0.39m
7:31AM0.82m
Wave
height (m) 
direction
period (s) 
0.3
NE
3
0.1
SE
8
0.1
SE
10
0.6
SSE
4
0.3
SE
8
0.6
SE
9
0.8
SE
8
0.8
SE
8
0.9
SE
8
1.1
SE
9
1.4
NE
5
1.3
NNE
5
0.8
SE
9
0.6
SE
10
0.7
SE
10
2.3
SE
8
3
SE
8
2.1
SSE
9
1.6
SW
6
1.1
NNW
4
1.2
NNE
5
0.7
ENE
5
0.7
ENE
5
0.7
NNE
3
0.7
SE
10
0.7
SE
11
0.9
SE
10
1.2
NE
5
0.9
NNE
4
0.8
ENE
6
0.6
SE
12
0.4
SE
11
0.4
SE
9
0.4
SE
9
0.4
SE
8
0.7
NW
3
clear
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
light rain
heavy rain
heavy rain
heavy rain
clear
part cloud
part cloud
part cloud
cloud
cloud
light rain
cloud
cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
clear
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
light rain
heavy rain
heavy rain
heavy rain
clear
some clouds
some clouds
some clouds
cloudy
cloudy
light rain
cloudy
cloudy
some clouds
clear
clear
clear
some clouds
some clouds
some clouds
clear
some clouds
 km/h
5
NW
0
SW
15
SSE
10
SSW
5
S
15
SSE
15
S
10
NNW
25
NW
30
NW
30
N
30
N
15
NNW
10
N
5
SSE
35
SE
40
SSE
10
WSW
35
NW
25
NNW
25
N
15
NNW
20
NNW
20
NNW
15
NNW
15
NNW
25
NNW
25
N
20
NNW
20
NNW
10
N
5
NW
5
NE
10
WNW
15
NW
20
NW
 mm 
2
23
33
19
1
max°C
8
12
14
14
17
18
15
17
14
11
9
9
7
9
13
16
17
15
10
9
9
7
8
8
7
8
9
8
9
9
8
8
9
7
12
13
Moonrise
6:22
7:17
8:07
8:50
9:28
10:01
10:31
10:58
11:25
11:52
12:22
12:57
Moonset
3:55
4:46
5:43
6:44
7:46
8:48
9:50
10:52
11:55
1:01
2:10
Sunrise
7:01
7:01
7:01
7:03
7:03
7:03
7:03
7:03
7:05
7:05
7:05
7:05
Sunset
4:54
4:54
4:55
4:55
4:55
4:57
4:58
4:58
4:59
4:59
5:00
5:00
Today's sea temperature in Komatusima is
18.2° C
(Statistics for 18 Dec 1981-2005 – mean: 19.4 max: 20.8 min: 18.2°C)
Issued (local time): 8 pm Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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