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 — and sunset is at 04:20 PM.

Days 1–4 Weather Summary

Heavy rain (total 20mm), heaviest during Thu afternoon. Icy conditions (max 8°C on Thu afternoon, min -2°C on Fri night). Mainly strong winds.

Days 5–7 Weather Summary

Mostly dry. Cool air temperatures (max 12°C on Mon afternoon, min 1°C on Tue night). Wind will be generally light.

Days 8–10 Weather Summary

Mostly dry. Mild temperatures (max 8°C on Thu afternoon, min 1°C on Thu night). Wind will be generally light.

Days 11–13 Weather Summary

Light rain (total 4mm), mostly falling on Sat afternoon. Mild temperatures (max 6°C on Tue afternoon, min 1°C on Sun night). Winds decreasing (strong winds from the WNW on Sun morning, calm by Mon afternoon).

Thu
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
Tue
6
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
AM
Wave Height Map
High Tide
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
6:23AM1.26m
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
11:02AM0.88m
Wave
height (m) 
direction
period (s) 
1.5
SSE
9
1.3
SSE
9
1.8
SW
6
1.9
SW
6
1.5
WNW
6
0.8
ESE
12
0.7
ESE
12
1
SSE
6
0.7
ESE
10
0.7
ESE
10
0.5
ESE
11
0.5
ESE
11
1.1
S
5
1
SSE
6
0.9
SSE
6
1
SSE
7
0.6
SSE
7
0.4
SE
8
0.3
ESE
8
0.5
SE
5
0.4
ESE
7
0.6
SE
8
0.9
ESE
8
0.9
NNE
5
1
NE
5
0.8
ESE
6
0.5
SE
8
0.6
ESE
9
0.8
ESE
10
1.7
ESE
8
1.5
NNE
6
0.9
ESE
10
0.7
E
10
0.6
E
10
0.6
E
10
0.6
ENE
6
mod rain
rain showers
part cloud
clear
clear
cloud
part cloud
clear
clear
clear
clear
clear
cloud
clear
clear
part cloud
clear
clear
clear
part cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
cloud
light rain
rain showers
clear
clear
clear
clear
part cloud
part cloud
clear
mod rain
rain shwrs
some clouds
clear
clear
cloudy
some clouds
clear
clear
clear
clear
clear
cloudy
clear
clear
some clouds
clear
clear
clear
some clouds
cloudy
cloudy
some clouds
some clouds
some clouds
some clouds
cloudy
light rain
rain shwrs
clear
clear
clear
clear
some clouds
some clouds
clear
 km/h
15
N
5
N
45
NW
50
WNW
45
WNW
20
W
20
W
15
WSW
10
WNW
25
WNW
10
WSW
5
WSW
20
SSW
10
WNW
15
W
30
NW
15
NW
5
NNE
5
SE
15
SW
5
NW
15
NNW
25
N
20
NW
25
NW
20
NNW
5
NNE
5
S
15
NNW
35
WNW
35
WNW
10
WNW
5
NW
5
ENE
15
NNW
20
N
 mm 
9
11
3
1
max°C
8
8
5
1
-1
2
4
3
7
8
6
8
12
7
8
7
3
3
5
5
7
8
4
4
4
3
3
4
4
5
5
3
4
5
3
5
Moonrise
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
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
4:20
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: 15.1 max: 17.2 min: 12.7°C)
Issued (local time): 2 pm Thursday 25 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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