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 05:46 AM and sunset is at 05:55 PM.

Days 1–3 Weather Summary

Mostly dry. Warm air temperatures (max 20°C on Sun afternoon, min 12°C on Sun night). Winds decreasing (fresh winds from the WSW on Sat morning, light winds from the S by Mon morning).

Days 4–6 Weather Summary

Heavy rain (total 40mm), heaviest during Thu night. Warm air temperatures (max 22°C on Wed afternoon, min 14°C on Wed night). Mainly strong winds.

Days 7–9 Weather Summary

Heavy rain (total 22mm), heaviest during Fri morning. Warm (max 20°C on Fri afternoon, min 7°C on Sun night). Winds decreasing (fresh winds from the SW on Fri morning, calm by Fri night).

Days 10–12 Weather Summary

Heavy rain (total 20mm), heaviest during Tue night. Very mild (max 12°C on Tue morning, min 8°C on Mon morning). Mainly fresh winds.

Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
31
Tuesday
1
Wednesday
2
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
7:45AM1.35m
8:14AM1.27m
2:59AM1.23m
9:42AM1.17m
3:20AM1.33m
1:06PM1.19m
3:44AM1.40m
2:34PM1.32m
4:10AM1.46m
3:34PM1.48m
4:35AM1.49m
4:25PM1.60m
5:00AM1.50m
5:12PM1.68m
5:25AM1.51m
5:59PM1.69m
5:49AM1.50m
6:46PM1.64m
6:11AM1.50m
7:35PM1.53m
6:31AM1.48m
8:30PM1.39m
Low Tide
4:02PM0.35m
5:37PM0.36m
7:09AM1.16m
7:11PM0.31m
8:32AM1.03m
8:20PM0.23m
9:08AM0.86m
9:13PM0.17m
9:41AM0.67m
9:59PM0.15m
10:14AM0.48m
10:40PM0.19m
10:48AM0.30m
11:18PM0.28m
11:24AM0.15m
11:53PM0.42m
12:01PM0.04m
00:26AM0.59m
12:40PM-0.00m
00:55AM0.76m
1:21PM0.02m
1:20AM0.93m
Wave
height (m) 
direction
period (s) 
1.7
SW
7
2.1
SW
7
1.6
SW
8
1.9
SW
6
2.3
SW
7
1.8
NE
5
1
ESE
7
0.7
S
6
1
SW
6
1.2
SW
7
1
SW
6
1.3
SW
5
2
SW
6
1.8
SW
6
1.1
NE
4
1
ENE
5
0.6
E
6
3
SSW
7
3
SW
8
3
SSW
8
2.3
SW
8
2
WSW
7
1.5
NNE
5
1.3
ENE
8
1.2
ENE
8
1.6
NE
5
1.5
ENE
8
1.8
ENE
6
1.5
E
9
2
ENE
6
2.5
ENE
7
2.1
E
7
2.1
E
7
2.2
E
7
2.2
ENE
7
1.9
ENE
6
clear
clear
clear
clear
clear
part cloud
cloud
cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
light rain
heavy rain
mod rain
rain showers
cloud
part cloud
cloud
light rain
light rain
part cloud
part cloud
part cloud
cloud
rain showers
cloud
light rain
mod rain
rain showers
part cloud
clear
clear
clear
clear
clear
clear
some clouds
cloudy
cloudy
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
light rain
heavy rain
mod rain
rain shwrs
cloudy
some clouds
cloudy
light rain
light rain
some clouds
some clouds
some clouds
cloudy
rain shwrs
cloudy
light rain
mod rain
rain shwrs
some clouds
clear
 km/h
35
WSW
35
WSW
25
W
30
WSW
30
WSW
20
NE
10
NE
15
SW
15
W
20
WSW
25
SW
20
WSW
45
W
10
W
20
NE
15
NE
10
SSW
25
SW
25
SW
30
SW
20
WSW
15
NE
15
NE
10
NNE
10
ENE
20
NE
15
NE
20
NE
15
ENE
20
NNE
30
NE
20
NE
20
NE
25
NE
25
NE
20
NE
 mm 
1.0
39
10
6
3
3
3
2.0
10
5
max°C
17
18
17
19
20
15
17
17
15
19
19
17
21
22
16
18
18
19
19
20
15
12
12
11
10
9
9
11
11
10
12
11
11
10
12
11
Moonrise
12:38
1:33
2:22
3:06
3:44
4:17
4:48
5:17
5:47
6:19
6:56
7:39
Moonset
10:00
10:56
12:00
1:07
2:18
3:28
4:40
5:52
7:06
8:22
9:39
10:54
Sunrise
5:46
5:45
5:43
5:41
5:39
5:39
5:37
5:35
5:35
5:33
5:31
5:31
Sunset
5:55
5:57
5:58
5:58
5:59
6:00
6:00
6:01
6:01
6:02
6:04
6:05
Today's sea temperature in Sirahama (Izu) is 17.6 °C (Statistics for 22 Mar 1981-2005 – mean: 17.6 max: 19.5 min: 15.1°C)
Issued (local time): 2 am Saturday 22 Mar 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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