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

Mostly dry. Icy conditions (max 8°C on Sun morning, min -2°C on Fri night). Winds decreasing (strong winds from the NW on Fri morning, calm by Sun night).

Days 4–6 Weather Summary

A dusting of new snow. Icy conditions (max 10°C on Mon afternoon, min -2°C on Wed night). Mainly fresh winds.

Days 7–9 Weather Summary

Mostly dry. Freeze-thaw conditions (max 6°C on Sat morning, min 0°C on Thu morning). Winds decreasing (strong winds from the WNW on Fri morning, light winds from the NW by Sat afternoon).

Days 10–12 Weather Summary

Mostly dry. Mild temperatures (max 7°C on Tue afternoon, min 1°C on Sun night). Wind will be generally light.

Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
Tuesday
6
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
8:33AM1.23m
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
6:23AM1.26m
4:43PM1.53m
Low Tide
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
11:02AM0.88m
11:58PM0.06m
Wave
height (m) 
direction
period (s) 
1.9
NW
5
1.8
SW
6
1.4
NNE
7
0.8
ESE
12
0.6
ESE
12
1.1
SE
7
0.7
ESE
10
0.7
ESE
10
0.4
ESE
11
0.4
ESE
11
0.7
SE
7
0.9
SSE
6
0.9
SE
7
0.7
SSE
7
0.6
ESE
8
0.4
ESE
8
1
W
4
0.7
NW
3
0.8
WNW
4
1
W
4
1.4
WSW
5
1.4
W
4
1.4
W
5
1.2
W
4
0.8
SSW
6
0.9
WNW
4
0.7
WNW
4
0.7
NNW
3
0.6
NE
4
0.5
NNE
4
0.4
ESE
9
0.6
N
5
0.5
SE
5
0.4
SE
6
0.4
SE
6
0.4
ESE
6
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
cloud
part cloud
clear
snow showers
cloud
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
some clouds
clear
clear
some clouds
clear
clear
clear
clear
clear
some clouds
some clouds
clear
some clouds
some clouds
cloudy
some clouds
clear
snow shwrs
cloudy
clear
clear
clear
clear
clear
some clouds
some clouds
clear
some clouds
clear
clear
clear
clear
some clouds
some clouds
some clouds
cloudy
 km/h
50
NW
50
WNW
40
WNW
15
W
10
W
20
WSW
15
WNW
20
NW
5
WNW
5
WSW
10
S
10
WNW
10
WNW
15
NW
15
N
5
N
30
W
25
NW
25
WNW
35
WNW
40
WNW
40
WNW
40
WNW
40
WNW
25
WNW
30
NW
20
WNW
20
NNW
20
NNW
15
NW
10
NW
20
WNW
15
WSW
10
NW
15
SSE
15
NNW
 mm 
max°C
4
1
-1
1
4
3
8
8
6
7
10
7
8
7
3
6
6
0
1
2
3
4
5
4
6
5
3
5
5
3
5
6
5
5
7
5
Moonrise
10:35
10:58
11:22
11:49
12:20
12:59
1:47
2:47
3:58
5:14
6:31
7:43
Moonset
10:23
11:30
12:38
1:51
3:07
4:25
5:41
6:47
7:42
8:25
8:59
Sunrise
6:50
6:50
6:50
6:50
6:50
6:52
6:52
6:52
6:52
6:52
6:52
6:52
Sunset
4:20
4:21
4:22
4:22
4:22
4:23
4:24
4:24
4:25
4:27
4:28
4:29
Today's sea temperature in Isihama (Matusima Wan) is
12.6° C
(Statistics for 26 Dec 1981-2005 – mean: 15.1 max: 17.2 min: 12.7°C)
Issued (local time): 8 am Friday 26 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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