Isihama (Matusima Wan) Sea Conditions and Tide Table

Isihama (Matusima Wan) 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 06:50 AM and sunset is at 04:20 PM.

Days 1–3 Weather Summary

Heavy rain (total 21mm), heaviest during Thu afternoon. Icy conditions (max 9°C on Thu morning, min -2°C on Fri night). Mainly near gales.

Days 4–6 Weather Summary

Mostly dry. Cool air temperatures (max 12°C on Mon afternoon, min 2°C on Tue night). Wind will be generally light.

Days 7–9 Weather Summary

Light rain (total 7mm) at first, then becoming colder with a dusting of snow on Fri afternoon. Mild temperatures (max 6°C on Thu afternoon, min 1°C on Wed night). Wind will be generally light.

Days 10–12 Weather Summary

Light rain (total 2mm), mostly falling on Sat morning. Mild temperatures (max 5°C on Sat morning, min 1°C on Sat night). Winds decreasing (near gales from the W on Sat night, light winds from the NNW by Mon night).

Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
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
8:01AM1.23m
6:37PM1.35m
8:33AM1.23m
7:37PM1.23m
9:07AM1.24m
8:52PM1.11m
9:44AM1.27m
10:34PM1.02m
10:25AM1.30m
00:38AM1.00m
11:10AM1.35m
2:24AM1.06m
11:59AM1.40m
3:33AM1.13m
12:47PM1.45m
4:22AM1.18m
1:37PM1.50m
4:57AM1.22m
2:26PM1.54m
5:28AM1.25m
3:13PM1.56m
5:56AM1.25m
3:58PM1.56m
Low Tide
1:01PM0.87m
1:42AM0.33m
2:02PM0.81m
2:20AM0.48m
3:14PM0.73m
3:01AM0.62m
4:34PM0.63m
3:46AM0.76m
5:52PM0.51m
4:41AM0.89m
6:59PM0.36m
7:55PM0.23m
6:58AM1.04m
8:44PM0.11m
7:58AM1.06m
9:28PM0.02m
8:51AM1.05m
10:08PM-0.03m
9:37AM1.01m
10:46PM-0.04m
10:20AM0.95m
11:23PM-0.01m
Wave
height (m) 
direction
period (s) 
1.5
SSE
9
1.5
SSE
9
1.3
SSE
9
1.6
SSE
9
1.9
WNW
5
1.4
WNW
6
0.8
ESE
12
0.7
ESE
13
0.8
ESE
10
0.6
ESE
10
0.6
ESE
12
0.5
ESE
11
0.5
ESE
11
0.9
S
5
1.1
SSE
6
0.8
SSE
6
1
SSE
7
0.6
SSE
6
0.5
SE
7
0.5
SE
8
0.5
SE
4
0.5
E
8
0.5
E
11
0.6
ENE
6
0.9
ESE
6
1.4
ESE
8
0.9
ESE
8
1.3
SE
9
1.7
S
6
2
W
5
1.4
W
5
1.4
W
5
0.8
WSW
4
0.8
WSW
4
0.7
W
4
0.4
SE
7
cloud
mod rain
heavy rain
part cloud
clear
clear
part cloud
cloud
clear
clear
clear
clear
part cloud
cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
light rain
snow showers
part cloud
rain showers
clear
clear
clear
clear
part cloud
part cloud
rain showers
part cloud
cloudy
mod rain
heavy rain
some clouds
clear
clear
some clouds
cloudy
clear
clear
clear
clear
some clouds
cloudy
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
some clouds
light rain
snow shwrs
some clouds
rain shwrs
clear
clear
clear
clear
some clouds
some clouds
rain shwrs
some clouds
 km/h
5
NNE
15
N
10
N
50
NW
50
WNW
40
WNW
20
WNW
15
WNW
15
SW
10
NW
20
WNW
10
WSW
10
W
20
SSW
10
WNW
10
WNW
25
NW
15
NNW
10
NNW
5
NNW
15
SW
10
NNW
10
N
20
NNW
20
NNE
20
N
5
W
35
SW
45
W
55
W
35
W
40
W
20
W
25
W
20
WNW
15
NW
 mm 
9
12
5
2
1
1
max°C
9
8
8
4
1
-1
3
3
3
6
8
6
7
12
7
7
6
3
4
5
4
4
6
3
4
2
3
5
3
2
3
4
2
5
5
3
Moonrise
10:10
10:35
10:58
11:22
11:49
12:20
12:59
1:47
2:47
3:58
5:14
6:31
Moonset
9:18
10:23
11:30
12:38
1:51
3:07
4:25
5:41
6:47
7:42
8:25
Sunrise
6:50
6:50
6:50
6:50
6:50
6:50
6:52
6:52
6:52
6:52
6:52
6:52
Sunset
4:20
4:20
4:21
4:22
4:22
4:22
4:23
4:24
4:24
4:25
4:27
4:28
Today's sea temperature in Isihama (Matusima Wan) is
12.6° C
(Statistics for 25 Dec 1981-2005 – mean: 15.2 max: 17.2 min: 12.9°C)
Issued (local time): 2 am Thursday 25 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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