Matsubase Sea Conditions and Tide Table

Matsubase 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 07:05 AM and sunset is at 05:10 PM.

Days 1–3 Weather Summary

Mostly dry. Cool air temperatures (max 17°C on Mon afternoon, min 7°C on Mon night). Wind will be generally light.

Days 4–6 Weather Summary

Heavy rain (total 23mm), heaviest during Sat night. Cool air temperatures (max 16°C on Sat afternoon, min 6°C on Fri night). Wind will be generally light.

Days 7–9 Weather Summary

Light rain (total 5mm), mostly falling on Sun afternoon. Very mild (max 13°C on Sun morning, min 7°C on Mon night). Winds decreasing (fresh winds from the NW on Sun afternoon, calm by Tue morning).

Days 10–12 Weather Summary

Mostly dry. Very mild (max 16°C on Fri afternoon, min 8°C on Wed night). Wind will be generally light.

Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
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
1:34PM1.02m
00:53AM1.32m
2:15PM1.05m
1:48AM1.30m
2:55PM1.09m
2:42AM1.25m
3:35PM1.13m
3:36AM1.20m
4:15PM1.17m
4:30AM1.14m
4:57PM1.21m
5:25AM1.08m
5:39PM1.23m
6:20AM1.02m
6:23PM1.24m
7:18AM0.98m
7:08PM1.24m
8:16AM0.96m
7:54PM1.24m
9:15AM0.95m
8:42PM1.24m
10:12AM0.96m
9:32PM1.25m
Low Tide
7:06AM-0.06m
6:56PM0.45m
7:52AM-0.03m
7:47PM0.38m
8:35AM0.02m
8:39PM0.32m
9:17AM0.08m
9:31PM0.27m
9:58AM0.14m
10:24PM0.23m
10:39AM0.21m
11:17PM0.20m
11:21AM0.28m
00:12AM0.18m
12:05PM0.35m
1:07AM0.16m
12:52PM0.42m
2:03AM0.14m
1:43PM0.47m
2:58AM0.12m
2:38PM0.50m
3:51AM0.09m
3:34PM0.51m
4:41AM0.06m
Wave
height (m) 
direction
period (s) 
0.1
NW
2
0.2
NNW
2
0.5
N
3
0.1
N
2
0.1
N
2
0.1
N
2
0
E
2
0
E
2
0
E
1
0
E
1
0
E
1
0.3
N
2
0.6
N
3
0.6
N
3
0.4
NE
2
0.3
NE
2
0.1
N
2
0.1
NW
1
0
E
1
0.7
NW
4
0.9
NW
4
0.6
NW
3
0.4
NW
3
0.1
NW
3
0
E
1
0.1
E
1
0
W
2
0
E
2
0
W
1
0.1
NW
2
0.1
N
2
0.1
N
2
0
W
2
0
E
1
0
W
1
0.1
NE
1
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
part cloud
cloud
cloud
part cloud
clear
clear
clear
clear
part cloud
heavy rain
light rain
light rain
rain showers
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
cloud
some clouds
clear
clear
some clouds
some clouds
some clouds
some clouds
clear
some clouds
cloudy
cloudy
some clouds
clear
clear
clear
clear
some clouds
heavy rain
light rain
light rain
rain shwrs
some clouds
some clouds
clear
clear
clear
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
clear
cloudy
 km/h
5
NW
10
NW
10
N
5
NE
5
NW
5
ENE
5
E
5
NNW
5
ESE
5
ESE
5
SE
10
NNE
15
NNE
20
N
10
ENE
10
NE
0
NNE
10
WNW
10
SW
20
WNW
20
NW
15
NW
15
NW
5
ENE
5
E
0
SW
5
E
5
ENE
5
NNW
5
ENE
5
NE
5
NW
5
ESE
5
ENE
5
NNW
5
ENE
 mm 
23
1
2
2
max°C
16
17
11
11
13
10
12
13
11
15
15
14
12
13
7
14
16
13
13
10
9
10
10
9
11
12
11
13
13
12
12
14
11
14
16
14
Moonrise
8:41
9:50
10:54
11:54
12:51
1:48
2:44
3:40
4:38
5:36
6:33
Moonset
10:22
11:03
11:36
12:05
12:32
12:57
1:22
1:49
2:18
2:52
3:31
4:16
Sunrise
7:05
7:05
7:07
7:07
7:09
7:09
7:09
7:11
7:11
7:11
7:13
7:13
Sunset
5:10
5:10
5:10
5:10
5:10
5:12
5:12
5:12
5:13
5:13
5:13
5:14
Today's sea temperature in Matsubase is
18.7° C
(Statistics for 08 Dec 1981-2005 – mean: 21.4 max: 22.5 min: 20.4°C)
Issued (local time): 2 am Monday 08 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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