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 06:08 PM.

Days 1–4 Weather Summary

Heavy rain (total 63mm), heaviest during Fri afternoon. Cool air temperatures (max 18°C on Fri afternoon, min 11°C on Tue night). Mainly fresh winds.

Days 5–7 Weather Summary

Moderate rain (total 14mm), heaviest on Fri night. Warm air temperatures (max 21°C on Sat morning, min 15°C on Sat night). Wind will be generally light.

Days 8–10 Weather Summary

Light rain (total 7mm), mostly falling on Tue morning. Very mild (max 18°C on Mon night, min 12°C on Wed night). Wind will be generally light.

Days 11–13 Weather Summary

Heavy rain (total 25mm), heaviest during Thu night. Very mild (max 17°C on Sat morning, min 12°C on Fri afternoon). Winds increasing (calm on Sat afternoon, fresh winds from the NE by Sun night).

Wednesday
8
Thursday
9
Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thu
23
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
AM
Wave Height Map
High Tide
8:49PM1.20m
6:49AM1.41m
9:52PM1.14m
7:06AM1.34m
11:47PM1.13m
7:26AM1.26m
1:45AM1.19m
8:03AM1.15m
2:20AM1.27m
11:52AM1.08m
2:47AM1.34m
1:51PM1.18m
3:13AM1.40m
2:56PM1.33m
3:39AM1.45m
3:49PM1.48m
4:06AM1.48m
4:36PM1.59m
4:31AM1.50m
5:23PM1.65m
4:56AM1.52m
6:10PM1.65m
6:58PM1.59m
7:51PM1.50m
6:08AM1.50m
8:52PM1.38m
6:31AM1.46m
Low Tide
1:10AM0.94m
2:18PM0.26m
1:33AM1.02m
3:07PM0.34m
2:12AM1.11m
4:20PM0.41m
5:54AM1.14m
5:53PM0.43m
7:58AM1.01m
7:14PM0.41m
8:30AM0.84m
8:16PM0.37m
9:00AM0.66m
9:05PM0.35m
9:32AM0.46m
9:49PM0.37m
10:06AM0.27m
10:29PM0.43m
10:41AM0.11m
11:06PM0.53m
11:18AM-0.02m
11:42PM0.66m
11:56AM-0.09m
00:15AM0.81m
12:37PM-0.10m
00:46AM0.95m
1:21PM-0.04m
1:16AM1.07m
Wave
height (m) 
direction
period (s) 
2.5
W
8
1.6
E
7
1.2
S
9
0.8
S
8
0.7
S
8
0.7
S
8
0.8
S
4
1.5
S
6
2.4
SSW
7
2.5
SSW
9
2.3
SW
8
2.2
SW
8
1.6
SW
7
1.3
SSW
7
0.8
SSE
7
0.6
SSE
6
0.7
ESE
10
0.7
ESE
10
0.7
ESE
10
0.8
ESE
10
0.9
ESE
9
1.4
S
6
1.3
E
8
1.2
E
8
1
E
8
0.9
S
14
1
S
14
1.4
S
14
2.4
ENE
6
3
ENE
7
2.4
S
16
2.2
S
16
2.2
SSW
16
2.3
SSW
16
2.5
SSW
17
3
SSW
16
4
SSW
17
7
SSW
16
7
S
15
2.5
ESE
11
1.7
SE
10
1.3
SE
10
1
SE
9
0.9
ESE
8
0.8
ESE
8
1.7
NE
5
1.1
NE
5
part cloud
part cloud
clear
part cloud
part cloud
part cloud
mod rain
mod rain
heavy rain
rain showers
clear
clear
part cloud
clear
clear
part cloud
part cloud
cloud
light rain
light rain
part cloud
part cloud
clear
clear
part cloud
cloud
cloud
heavy rain
light rain
light rain
light rain
part cloud
part cloud
part cloud
cloud
cloud
heavy rain
heavy rain
heavy rain
clear
clear
part cloud
cloud
clear
part cloud
clear
part cloud
some clouds
some clouds
clear
some clouds
some clouds
some clouds
mod rain
mod rain
heavy rain
rain shwrs
clear
clear
some clouds
clear
clear
some clouds
some clouds
cloudy
light rain
light rain
some clouds
some clouds
clear
clear
some clouds
cloudy
cloudy
heavy rain
light rain
light rain
light rain
some clouds
some clouds
some clouds
cloudy
cloudy
heavy rain
heavy rain
heavy rain
clear
clear
some clouds
cloudy
clear
some clouds
clear
some clouds
 km/h
30
NE
5
SE
10
SSW
5
WNW
15
SW
20
SW
15
WSW
20
SSW
20
SW
25
WSW
25
W
10
SW
15
NE
15
NE
5
ESE
5
NW
5
ESE
5
SSE
10
W
10
WSW
15
NE
20
NE
20
ENE
20
E
5
N
5
ESE
5
SSE
20
NE
30
NE
30
NE
20
NNE
15
NE
10
SE
5
NNE
30
NE
30
NE
45
NE
50
NE
50
NNE
10
WNW
10
S
15
S
5
N
5
NE
10
SSE
25
NNE
15
NE
 mm 
7
9
47
14
2
5
15
3
3
4
45
78
29
max°C
12
12
14
13
17
17
15
17
18
19
21
21
17
20
19
16
20
19
18
17
17
15
16
16
13
17
16
15
13
13
12
17
17
16
16
15
14
17
17
17
21
19
17
21
20
16
17
Moonrise
11:18
12:10
12:57
1:37
2:12
2:44
3:12
3:40
4:07
4:36
5:09
5:48
6:35
7:31
8:36
9:46
Moonset
8:43
9:36
10:34
11:35
12:38
1:41
2:45
3:51
4:58
6:09
7:23
8:40
9:55
11:03
12:01
Sunrise
5:22
5:20
5:20
5:18
5:16
5:16
5:15
5:13
5:11
5:11
5:09
5:07
5:07
5:05
5:05
5:03
Sunset
6:08
6:08
6:09
6:10
6:12
6:13
6:13
6:14
6:15
6:15
6:15
6:16
6:17
6:19
6:20
6:20
Today's sea temperature in Sirahama (Izu) is
15.7° C
(Statistics for 07 Apr 1981-2005 – mean: 18.3 max: 20.3 min: 16.8°C)
Issued (local time): 8 pm Tuesday 07 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest