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 —.

Days 1–4 Weather Summary

Heavy rain (total 38mm), heaviest during Wed night. Warm air temperatures (max 24°C on Fri morning, min 18°C on Thu night). Mainly fresh winds.

Days 5–7 Weather Summary

Moderate rain (total 16mm), heaviest on Sat night. Warm air temperatures (max 27°C on Mon morning, min 22°C on Sat night). Winds decreasing (fresh winds from the NNE on Sat night, calm by Mon afternoon).

Days 8–10 Weather Summary

Mostly dry. Warm (max 27°C on Thu afternoon, min 22°C on Tue night). Wind will be generally light.

Days 11–13 Weather Summary

Heavy rain (total 66mm), heaviest during Mon afternoon. Warm (max 27°C on Sat morning, min 20°C on Mon afternoon). Wind will be generally light.

Days 14–17 Weather Summary

Heavy rain (total 345mm), heaviest during Fri afternoon. Warm (max 23°C on Fri afternoon, min 17°C on Wed afternoon). Winds increasing (light winds from the NNE on Tue morning, strong winds from the NW by Fri afternoon).

Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sunday
27
Monday
28
Tuesday
29
Wednesday
30
Thursday
1
Fri
2
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
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
High Tide
7:09PM1.64m
8:56AM1.34m
7:23PM1.60m
10:01AM1.24m
7:35PM1.54m
7:47PM1.46m
7:45PM1.37m
3:23PM1.42m
11:19PM1.26m
3:33PM1.50m
1:54AM1.33m
3:51PM1.57m
2:57AM1.45m
4:13PM1.63m
3:45AM1.58m
4:36PM1.67m
4:28AM1.69m
4:59PM1.69m
5:11AM1.77m
5:21PM1.69m
5:53AM1.80m
5:43PM1.68m
6:36AM1.78m
6:04PM1.67m
7:22AM1.70m
6:23PM1.66m
8:14AM1.58m
Low Tide
2:04AM0.43m
1:24PM1.05m
2:45AM0.50m
1:30PM1.14m
3:37AM0.58m
4:55AM0.63m
6:31AM0.63m
9:16PM1.26m
7:45AM0.57m
9:07PM1.13m
8:37AM0.50m
9:27PM0.98m
9:20AM0.44m
9:53PM0.82m
9:59AM0.41m
10:20PM0.66m
10:36AM0.42m
10:50PM0.51m
11:11AM0.49m
11:21PM0.37m
11:44AM0.60m
11:55PM0.27m
12:16PM0.74m
00:31AM0.21m
12:45PM0.90m
1:10AM0.20m
Wave
Height (m)
Direction
Period (s)
1.3
NE
5
1.8
NE
6
1.9
NE
6
2.3
ENE
6
2.4
NE
6
2.5
NE
6
2.4
NE
6
3
SE
14
3
ESE
13
3
ESE
12
3
ESE
12
3
ESE
12
2.2
ESE
12
1.8
E
11
1.6
ESE
10
1.1
E
9
0.9
ESE
8
0.8
ESE
8
0.8
ENE
4
1
ENE
4
0.9
ENE
4
0.7
SE
8
0.4
E
9
0.4
ENE
9
0.6
WSW
4
0.5
E
9
0.5
E
9
0.6
SSE
11
0.8
SSE
10
1.3
WSW
4
1.7
WSW
6
1.3
WSW
6
1.1
S
9
1
S
9
0.9
S
8
1.6
SW
5
1.4
SSW
6
1.1
SSW
12
1.2
SW
13
1.6
SW
13
2.2
ENE
6
3
ENE
7
3
NE
7
3
NE
7
3
NE
7
3
SSW
14
3
SSW
13
rain showers
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
heavy rain
light rain
light rain
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
mod rain
light rain
heavy rain
heavy rain
light rain
light rain
heavy rain
heavy rain
heavy rain
mod rain
heavy rain
heavy rain
rain showers
heavy rain
rain shwrs
some clouds
some clouds
clear
clear
clear
some clouds
some clouds
some clouds
heavy rain
light rain
light rain
clear
clear
clear
clear
clear
clear
some clouds
some clouds
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
some clouds
some clouds
some clouds
mod rain
light rain
heavy rain
heavy rain
light rain
light rain
heavy rain
heavy rain
heavy rain
mod rain
heavy rain
heavy rain
rain shwrs
heavy rain
km/h
15
NE
25
NE
30
NE
30
NE
35
NE
35
NNE
25
NNE
30
NNE
30
NNE
25
NNE
25
NNE
20
NNE
10
W
10
NNE
5
SSE
10
N
15
NE
15
NE
15
NNE
20
NE
15
NE
10
N
0
E
15
WSW
10
W
5
ESE
5
S
10
WNW
15
WSW
25
WSW
20
WSW
20
NE
20
NE
15
NNE
10
W
5
WSW
10
NNE
5
NNE
10
NNE
20
ENE
30
NNE
40
NNE
35
NNE
35
NNE
35
NE
25
NNE
20
NE
 mm
38
13
2
1
6
4
46
14
3
5
26
18
21
7
20
32
118
12
max °C
21
22
22
20
24
23
22
24
24
23
25
24
24
27
27
25
26
26
23
25
26
22
25
27
23
26
25
24
27
27
25
23
22
21
25
22
20
20
19
19
18
18
17
17
17
20
22
Moonrise
11:27
12:24
1:17
2:03
2:43
3:18
3:49
4:17
4:44
5:10
5:37
6:07
6:42
7:24
8:14
Moonset
9:04
9:51
10:44
11:41
12:41
1:42
2:43
3:45
4:48
5:51
6:58
8:07
9:18
10:30
11:39
Sunrise
5:26
5:28
5:28
5:28
5:30
5:31
5:31
5:31
5:33
5:33
5:33
5:35
5:35
5:37
5:37
5:37
Sunset
5:49
5:47
5:45
5:45
5:43
5:42
5:39
5:38
5:37
5:36
5:35
5:32
5:31
5:30
5:29
Today's sea temperature in Sirahama (Izu) is
26.6°C
(Statistics for 16 Sep 1981-2005 – mean: 26.3 max: 27.7 min: 25.0°C)
Issued (local time): 8 pm Wednesday 16 Sep 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest