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 — and sunset is at 05:27 PM.

Days 1–4 Weather Summary

Light rain (total 7mm), mostly falling on Mon afternoon. Cool air temperatures (max 12°C on Mon afternoon, min 4°C on Tue morning). Winds increasing (calm on Tue night, strong winds from the W by Wed afternoon).

Days 5–7 Weather Summary

Mostly dry. Cool air temperatures (max 14°C on Sun morning, min 6°C on Thu night). Wind will be generally light.

Days 8–10 Weather Summary

Some drizzle, heaviest during Wed morning. Very mild (max 18°C on Tue morning, min 10°C on Sun afternoon). Wind will be generally light.

Days 11–13 Weather Summary

Heavy rain (total 20mm), heaviest during Thu night. Very mild (max 15°C on Wed afternoon, min 3°C on Thu night). Wind will be generally light.

Mon
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
1
Monday
2
Tuesday
3
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
night
Wave Height Map
High Tide
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
11:24AM1.25m
4:28AM1.37m
2:02PM1.31m
4:47AM1.42m
3:17PM1.42m
5:08AM1.45m
4:12PM1.52m
5:30AM1.48m
Low Tide
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
8:28PM0.17m
9:24AM1.11m
9:26PM0.10m
9:56AM0.95m
10:12PM0.06m
10:28AM0.78m
10:51PM0.08m
Wave
height (m) 
direction
period (s) 
1.3
WSW
7
1.9
WSW
7
2.2
ENE
7
1.5
E
9
0.9
E
7
0.8
E
6
1.9
W
6
2.4
W
7
1.4
W
7
1
W
7
0.6
E
12
0.5
E
15
0.5
E
14
0.5
E
13
0.6
E
13
0.9
NE
5
0.8
E
12
0.8
E
8
0.8
E
8
0.7
E
8
0.8
E
9
0.9
E
9
0.8
E
9
0.8
E
9
0.9
ESE
8
1.1
ESE
9
1.4
SE
9
1.7
SE
8
2.3
NE
6
1.8
ESE
9
1.9
NE
6
1.6
E
11
1.5
E
11
1.2
E
12
1.7
E
16
1.7
E
15
1.4
E
14
1.3
E
14
1
E
14
0.8
E
13
0.6
E
13
0.6
E
13
0.6
E
13
1.5
WSW
5
1.7
WSW
6
1.6
WSW
6
1.6
WSW
5
light rain
light rain
light rain
cloud
rain showers
clear
clear
clear
part cloud
part cloud
clear
part cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
part cloud
light rain
light rain
light rain
cloud
light rain
mod rain
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
clear
part cloud
part cloud
cloud
part cloud
clear
light rain
light rain
light rain
cloudy
rain shwrs
clear
clear
clear
some clouds
some clouds
clear
some clouds
cloudy
cloudy
clear
clear
clear
clear
clear
clear
some clouds
clear
some clouds
some clouds
some clouds
some clouds
light rain
light rain
light rain
cloudy
light rain
mod rain
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
clear
some clouds
some clouds
cloudy
some clouds
clear
 km/h
15
ENE
20
NE
20
NE
15
NE
10
N
5
WSW
35
WSW
10
WNW
10
E
10
S
5
WNW
0
ENE
5
S
10
N
10
NNE
10
NE
5
N
5
WSW
15
WSW
10
W
10
SW
15
SW
10
WSW
10
W
15
SW
10
W
15
SW
15
SW
20
NE
20
NE
20
NE
15
NNE
15
NE
5
SSE
10
NNW
5
NNE
5
S
10
NNW
10
NE
10
E
5
NW
10
NNE
10
SSW
25
WSW
10
W
30
WSW
25
W
 mm 
1
4
1
1
1
4
4
3
9
max°C
12
10
5
6
7
11
12
8
8
8
7
10
10
8
13
13
10
14
14
11
16
16
12
18
17
15
18
15
10
7
5
4
5
5
5
7
7
6
10
9
7
12
12
11
14
15
13
Moonrise
6:18
6:47
7:14
7:41
8:08
8:39
9:14
9:56
10:46
11:46
12:54
2:05
3:16
4:24
5:30
Moonset
4:08
5:12
6:17
7:22
8:27
9:35
10:44
11:56
1:08
2:16
3:17
4:08
4:50
5:26
5:56
Sunrise
6:28
6:26
6:26
6:24
6:24
6:22
6:20
6:20
6:18
6:18
6:16
6:15
6:13
6:13
6:11
Sunset
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
5:38
5:38
5:39
Today's sea temperature in Sirahama (Izu) is
15.4° C
(Statistics for 16 Feb 1981-2005 – mean: 17.1 max: 18.6 min: 15.9°C)
Issued (local time): 2 pm Monday 16 Feb 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest