Sirahama (Izu) Sea Conditions and Tide Table

Sirahama (Izu) 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 06:31 AM and sunset is at 05:23 PM.

Days 1–3 Weather Summary

Mostly dry. Cool air temperatures (max 15°C on Sun morning, min 7°C on Fri night). Winds increasing (calm on Fri morning, fresh winds from the WSW by Sun night).

Days 4–6 Weather Summary

Light rain (total 4mm), mostly falling on Mon night. Cool air temperatures (max 13°C on Mon morning, min 5°C on Mon night). Wind will be generally light.

Days 7–9 Weather Summary

Light rain (total 3mm), mostly falling on Thu night. Very mild (max 13°C on Fri morning, min 7°C on Thu morning). Wind will be generally light.

Days 10–12 Weather Summary

Light rain (total 8mm), mostly falling on Tue night. Very mild (max 16°C on Tue morning, min 10°C on Sun night). Wind will be generally light.

Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Sat
28
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
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
Wave Height Map
High Tide
12:28PM1.24m
4:34AM1.34m
2:09PM1.28m
4:55AM1.44m
3:12PM1.36m
5:19AM1.51m
4:02PM1.45m
5:44AM1.54m
4:46PM1.53m
6:09AM1.55m
5:28PM1.58m
6:33AM1.53m
6:10PM1.59m
6:55AM1.50m
6:53PM1.56m
7:16AM1.46m
7:39PM1.48m
7:35AM1.44m
8:31PM1.35m
7:53AM1.42m
9:39PM1.20m
8:11AM1.40m
11:49PM1.10m
8:32AM1.38m
9:00AM1.32m
4:17AM1.31m
Low Tide
8:03AM1.16m
8:42PM0.26m
9:20AM1.08m
9:26PM0.15m
10:01AM0.98m
10:06PM0.07m
10:33AM0.87m
10:44PM0.01m
11:04AM0.75m
11:20PM0.01m
11:35AM0.64m
11:55PM0.06m
12:07PM0.53m
00:28AM0.17m
12:40PM0.43m
1:00AM0.32m
1:16PM0.35m
1:31AM0.51m
1:56PM0.30m
1:59AM0.71m
2:45PM0.28m
2:22AM0.90m
3:48PM0.30m
2:28AM1.07m
5:18PM0.31m
7:05PM0.26m
8:29AM1.23m
Wave
height (m) 
direction
period (s) 
1
W
6
1.2
W
5
0.9
W
6
0.5
W
5
0.4
SW
4
0.8
SSW
4
0.8
SW
4
1.4
WSW
5
1.5
WSW
5
1.3
WSW
6
1.5
NNE
5
2.2
ENE
7
1.3
E
5
1
E
7
0.9
ESE
7
0.7
ESE
6
2.2
W
6
1.5
W
7
1.4
NE
5
1
ENE
6
0.8
E
6
1.1
E
7
1.5
W
5
0.9
W
5
0.5
E
13
0.6
E
13
0.6
E
12
0.6
E
12
0.5
E
12
0.5
E
12
0.6
E
11
0.6
E
11
0.5
E
11
0.5
E
10
0.7
E
10
1.4
SSW
6
1.8
S
7
1.9
E
16
1.6
E
15
1.5
E
15
2.4
W
7
2
W
7
1.3
E
13
1.1
E
13
0.9
E
12
1.4
NE
5
1.7
ENE
6
part cloud
clear
clear
part cloud
cloud
part cloud
clear
clear
clear
part cloud
cloud
light rain
cloud
cloud
light rain
part cloud
clear
part cloud
cloud
cloud
light rain
rain showers
clear
part cloud
cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
mod rain
rain showers
part cloud
cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
cloud
cloud
some clouds
clear
clear
some clouds
cloudy
some clouds
clear
clear
clear
some clouds
cloudy
light rain
cloudy
cloudy
light rain
some clouds
clear
some clouds
cloudy
cloudy
light rain
rain shwrs
clear
some clouds
cloudy
cloudy
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
mod rain
rain shwrs
some clouds
cloudy
some clouds
clear
some clouds
some clouds
some clouds
cloudy
cloudy
cloudy
 km/h
5
WSW
10
WSW
10
N
5
NW
15
WSW
15
WSW
20
WSW
25
WSW
30
WSW
10
NE
20
NE
20
NE
15
NNE
10
NE
15
NNE
5
WSW
0
WNW
10
ENE
20
NE
10
ENE
10
N
15
W
5
SW
10
NE
10
NE
10
ENE
10
N
10
NNE
5
SE
10
NNW
5
NE
5
SSE
5
WNW
10
SW
20
SSW
20
S
20
NE
20
NNE
5
NW
15
WSW
15
W
5
WSW
10
ESE
5
SE
10
ENE
20
NE
25
NNE
 mm 
3
1
2
1
7
2
max°C
10
11
7
12
12
11
15
15
13
13
10
9
8
8
10
12
13
10
7
7
9
13
13
10
12
12
10
13
13
11
14
14
11
16
16
13
13
13
12
14
15
11
11
12
11
10
9
Moonrise
3:38
4:26
5:09
5:46
6:18
6:47
7:14
7:41
8:08
8:39
9:14
9:56
10:46
11:46
12:54
2:05
Moonset
1:02
2:01
3:03
4:08
5:12
6:17
7:22
8:27
9:35
10:44
11:56
1:08
2:16
3:17
4:08
Sunrise
6:31
6:31
6:30
6:28
6:28
6:26
6:26
6:24
6:24
6:22
6:20
6:20
6:18
6:18
6:16
6:15
Sunset
5:23
5:24
5:25
5:27
5:28
5:28
5:29
5:30
5:30
5:31
5:32
5:34
5:35
5:36
5:37
5:37
Today's sea temperature in Sirahama (Izu) is
15.6° C
(Statistics for 13 Feb 1981-2005 – mean: 17.1 max: 18.6 min: 15.9°C)
Issued (local time): 2 am Friday 13 Feb 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest