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 07:01 AM and sunset is at 04:55 PM.

Days 1–3 Weather Summary

Heavy rain (total 33mm), heaviest during Sun morning. Cool air temperatures (max 15°C on Sun morning, min 6°C on Mon night). Winds decreasing (fresh winds from the NNE on Mon morning, calm by Tue afternoon).

Days 4–6 Weather Summary

Light rain (total 6mm), mostly falling on Wed morning. Cool air temperatures (max 15°C on Wed morning, min 3°C on Fri night). Winds increasing (light winds from the N on Wed morning, fresh winds from the NW by Fri morning).

Days 7–9 Weather Summary

Mostly dry. Very mild (max 11°C on Mon afternoon, min 4°C on Sat night). Wind will be generally light.

Days 10–12 Weather Summary

Light rain (total 3mm), mostly falling on Tue night. Very mild (max 14°C on Tue afternoon, min 4°C on Wed night). Winds decreasing (fresh winds from the NW on Wed morning, calm by Fri morning).

Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
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
7:30AM1.50m
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
3:59AM1.25m
2:46PM1.41m
5:02AM1.39m
3:42PM1.47m
5:54AM1.51m
Low Tide
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
9:01PM0.21m
8:59AM0.90m
9:56PM0.04m
10:09AM0.93m
10:48PM-0.10m
Wave
height (m) 
direction
period (s) 
0.7
SE
8
0.9
NE
5
1.1
N
4
1.4
NE
5
1.2
NNE
5
0.8
SE
9
0.6
SE
9
0.5
SE
9
1.3
SE
8
1.7
SSE
8
1.6
SSE
9
1.2
SSE
8
0.8
SSE
8
0.9
SSE
8
1.5
NW
5
1.3
NW
5
1.3
NW
5
1.1
NW
4
0.6
NW
3
0.4
NNW
3
0.4
ENE
4
0.6
NW
3
0.4
SE
9
0.3
SE
8
0.1
SE
8
0.1
SE
8
0.1
SE
8
0.1
SE
8
0.3
SE
8
0.3
SSE
6
0.9
NNW
4
1.1
NW
4
1.2
NNE
5
0.7
NNE
4
0.5
N
3
0.4
SE
8
heavy rain
rain showers
rain showers
part cloud
part cloud
part cloud
cloud
rain showers
mod rain
rain showers
rain showers
part cloud
cloud
part cloud
part cloud
clear
part cloud
clear
cloud
cloud
part cloud
clear
clear
part cloud
clear
part cloud
clear
part cloud
part cloud
light rain
part cloud
part cloud
light rain
clear
clear
part cloud
heavy rain
rain shwrs
rain shwrs
some clouds
some clouds
some clouds
cloudy
rain shwrs
mod rain
rain shwrs
rain shwrs
some clouds
cloudy
some clouds
some clouds
clear
some clouds
clear
cloudy
cloudy
some clouds
clear
clear
some clouds
clear
some clouds
clear
some clouds
some clouds
light rain
some clouds
some clouds
light rain
clear
clear
some clouds
 km/h
10
SSW
25
NW
25
NNW
30
NNE
25
N
15
N
5
N
5
ESE
5
NNE
10
W
10
NNW
15
NNW
15
NW
25
NW
35
NW
35
NW
35
NW
25
NW
15
NW
20
N
15
NW
15
NNW
15
N
5
W
0
WSW
5
ENE
5
W
5
SW
5
SE
10
W
30
NW
30
NW
25
N
15
N
15
N
5
W
 mm 
18
5
1
1
8
5
1
1
2
max°C
15
14
11
9
9
6
8
10
15
15
14
14
14
13
9
5
6
4
7
7
5
8
8
6
10
11
8
12
14
11
8
9
6
7
7
6
Moonrise
8:07
8:50
9:28
10:01
10:31
10:58
11:25
11:52
12:22
12:57
1:38
2:29
Moonset
5:43
6:44
7:46
8:48
9:50
10:52
11:55
1:01
2:10
3:23
4:38
Sunrise
7:01
7:03
7:03
7:03
7:03
7:03
7:05
7:05
7:05
7:05
7:05
7:05
Sunset
4:55
4:55
4:55
4:57
4:58
4:58
4:59
4:59
5:00
5:00
5:00
5:01
Today's sea temperature in Komatusima is
17.5° C
(Statistics for 21 Dec 1981-2005 – mean: 19.3 max: 20.8 min: 18.1°C)
Issued (local time): 8 am Sunday 21 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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