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 05:53 PM.

Days 1–4 Weather Summary

Mostly dry. Cool air temperatures (max 15°C on Mon morning, min 9°C on Fri night). Wind will be generally light.

Days 5–7 Weather Summary

Light rain (total 9mm), mostly falling on Wed morning. Cool air temperatures (max 15°C on Mon afternoon, min 10°C on Tue night). Wind will be generally light.

Days 8–10 Weather Summary

Heavy rain (total 25mm), heaviest during Sat night. Very mild (max 16°C on Fri afternoon, min 11°C on Thu night). Wind will be generally light.

Days 11–13 Weather Summary

Light rain (total 7mm), mostly falling on Sun night. Very mild (max 15°C on Mon morning, min 8°C on Mon night). Winds decreasing (strong winds from the W on Sun night, calm by Tue night).

Fri
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
31
Wednesday
1
Thursday
2
Friday
3
Saturday
4
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
6:09PM1.64m
6:07AM1.49m
6:54PM1.59m
6:27AM1.48m
7:42PM1.49m
6:46AM1.46m
8:38PM1.35m
7:03AM1.44m
9:55PM1.21m
7:19AM1.41m
7:33AM1.35m
4:19AM1.25m
3:32AM1.30m
12:28PM1.15m
3:44AM1.34m
2:21PM1.26m
4:01AM1.37m
3:24PM1.39m
4:20AM1.41m
4:13PM1.49m
4:41AM1.45m
4:56PM1.54m
5:01AM1.49m
5:35PM1.55m
5:22AM1.52m
6:13PM1.51m
Low Tide
00:06AM0.38m
12:15PM0.13m
00:37AM0.55m
12:52PM0.08m
1:05AM0.73m
1:34PM0.08m
1:30AM0.90m
2:22PM0.13m
1:48AM1.05m
3:25PM0.22m
4:59PM0.30m
6:52PM0.32m
9:02AM1.10m
8:13PM0.29m
9:12AM0.92m
9:08PM0.28m
9:37AM0.73m
9:50PM0.29m
10:05AM0.54m
10:24PM0.33m
10:35AM0.37m
10:54PM0.40m
11:06AM0.23m
11:21PM0.49m
11:37AM0.14m
11:45PM0.58m
Wave
height (m) 
direction
period (s) 
1.3
E
13
2
W
7
1.5
E
14
1
E
13
0.8
E
13
0.6
E
12
0.7
E
12
0.6
E
12
0.7
E
12
0.8
E
11
1.2
W
6
1.4
SW
8
1
SSW
8
0.8
WSW
6
1.1
ESE
4
1.3
NE
4
1.4
NE
5
1.2
NE
6
1.6
NE
6
1
NE
5
0.8
E
7
0.7
E
7
0.6
E
11
0.6
E
10
0.6
E
10
0.6
E
10
1.3
ENE
5
1.3
ENE
6
3.5
W
7
3.5
WSW
8
2.5
WSW
7
3.5
WSW
8
2.4
W
8
1.9
W
8
1.9
W
7
0.9
WSW
6
0.6
WSW
5
0.9
WSW
4
0.7
WSW
4
0.9
WSW
4
1.2
WSW
5
1
E
14
0.9
E
14
0.7
E
13
0.8
E
13
0.8
E
13
0.7
E
13
part cloud
part cloud
part cloud
clear
clear
part cloud
cloud
cloud
part cloud
clear
clear
part cloud
part cloud
rain showers
light rain
light rain
rain showers
part cloud
part cloud
part cloud
clear
cloud
part cloud
cloud
part cloud
heavy rain
light rain
light rain
rain showers
clear
clear
clear
clear
part cloud
clear
part cloud
clear
clear
cloud
cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
some clouds
some clouds
some clouds
clear
clear
some clouds
cloudy
cloudy
some clouds
clear
clear
some clouds
some clouds
rain shwrs
light rain
light rain
rain shwrs
some clouds
some clouds
some clouds
clear
cloudy
some clouds
cloudy
some clouds
heavy rain
light rain
light rain
rain shwrs
clear
clear
clear
clear
some clouds
clear
some clouds
clear
clear
cloudy
cloudy
some clouds
clear
clear
some clouds
some clouds
some clouds
some clouds
 km/h
5
SW
5
NW
15
E
10
SSE
5
WNW
5
SW
20
WSW
10
W
15
WNW
15
W
5
N
10
SSE
15
SSE
5
ESE
15
NE
20
NNE
15
NNE
15
NNE
25
NNE
10
N
5
E
10
SSW
10
WNW
10
NE
15
ENE
5
NE
20
NNE
15
NE
45
W
40
W
35
W
20
WNW
5
N
5
S
10
WNW
10
E
15
SSW
15
W
10
WSW
25
WSW
25
W
10
NE
10
ESE
5
NE
15
NE
10
E
5
NW
 mm 
2
3
2
2
21
4
2
5
max°C
13
10
11
11
11
14
14
11
15
15
13
14
13
13
10
11
10
13
14
12
15
16
13
16
16
14
12
14
12
15
13
10
13
13
11
14
14
11
17
17
15
18
17
14
17
16
15
Moonrise
6:39
7:14
7:54
8:43
9:40
10:46
11:55
1:05
2:13
3:18
4:20
5:21
6:21
7:22
8:22
Moonset
7:20
8:31
9:45
10:58
12:09
1:12
2:06
2:50
3:27
3:57
4:25
4:50
5:15
5:41
6:08
Sunrise
5:47
5:46
5:45
5:43
5:41
5:39
5:39
5:37
5:35
5:35
5:33
5:31
5:31
5:28
5:28
Sunset
5:53
5:54
5:55
5:57
5:58
5:58
5:59
6:00
6:00
6:01
6:01
6:02
6:04
6:05
6:05
6:06
Today's sea temperature in Sirahama (Izu) is
15.6° C
(Statistics for 20 Mar 1981-2005 – mean: 17.6 max: 19.0 min: 15.1°C)
Issued (local time): 2 pm Friday 20 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest