Sirahama (Tiba) Sea Conditions and Tide Table

Sirahama (Tiba) 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 59mm), heaviest during Wed afternoon. Cool air temperatures (max 18°C on Thu morning, min 7°C on Mon night). Mainly fresh winds.

Days 5–7 Weather Summary

Some drizzle, heaviest during Fri afternoon. Cool air temperatures (max 17°C on Thu night, min 3°C on Fri night). Winds decreasing (near gales from the WSW on Thu night, calm by Sat night).

Days 8–10 Weather Summary

Moderate rain (total 17mm), heaviest on Mon night. Very mild (max 15°C on Tue morning, min 10°C on Sun night). Winds decreasing (strong winds from the WSW on Tue morning, calm by Wed morning).

Days 11–13 Weather Summary

Light rain (total 5mm), mostly falling on Fri afternoon. Very mild (max 13°C on Fri morning, min 8°C on Wed night). Winds increasing (calm on Fri night, gales from the WSW by Sat night).

Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Sat
3
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
Wave Height Map
High Tide
7:45AM1.30m
5:52PM1.43m
8:20AM1.27m
6:37PM1.37m
8:55AM1.24m
7:27PM1.28m
9:29AM1.22m
8:26PM1.18m
10:06AM1.21m
9:42PM1.07m
10:45AM1.20m
11:25PM1.00m
11:28AM1.21m
1:24AM1.01m
12:14PM1.24m
3:02AM1.08m
1:03PM1.27m
4:09AM1.16m
1:49PM1.31m
4:59AM1.23m
2:38PM1.36m
5:38AM1.28m
3:25PM1.40m
Low Tide
00:34AM-0.02m
12:32PM0.93m
1:12AM0.05m
1:15PM0.89m
1:51AM0.16m
2:04PM0.85m
2:31AM0.28m
3:01PM0.80m
3:14AM0.43m
4:09PM0.73m
4:00AM0.57m
5:26PM0.63m
4:56AM0.72m
6:41PM0.51m
6:05AM0.84m
7:47PM0.38m
7:22AM0.92m
8:42PM0.24m
8:25AM0.97m
9:30PM0.12m
9:28AM0.99m
10:13PM0.02m
10:14AM0.98m
Wave
height (m) 
direction
period (s) 
2.3
E
9
1.8
ESE
9
1.7
ESE
9
1.2
ESE
8
1.5
ESE
7
2.4
SSE
7
3
SSE
8
2
S
8
1.9
SSE
8
2.3
WSW
6
3.5
WSW
9
1.9
E
13
1.6
E
14
1.4
E
14
1.3
E
14
1.3
E
13
1.3
ENE
13
1.1
E
13
1.3
ENE
13
1.3
E
13
1.4
ENE
12
1.8
ESE
6
1.8
S
6
2.1
SW
6
2.3
WSW
6
2.1
NNW
10
1.6
ENE
15
1.5
ENE
14
1.6
ENE
14
1.4
ENE
13
1.3
ENE
13
1.3
ENE
12
1.1
ENE
12
1.9
SE
8
2.3
S
9
3.5
WSW
8
part cloud
part cloud
part cloud
cloud
mod rain
heavy rain
heavy rain
part cloud
part cloud
part cloud
cloud
rain showers
part cloud
cloud
cloud
part cloud
clear
clear
part cloud
rain showers
light rain
rain showers
clear
cloud
cloud
part cloud
clear
clear
part cloud
cloud
light rain
part cloud
light rain
rain showers
clear
clear
some clouds
some clouds
some clouds
cloudy
mod rain
heavy rain
heavy rain
some clouds
some clouds
some clouds
cloudy
rain shwrs
some clouds
cloudy
cloudy
some clouds
clear
clear
some clouds
rain shwrs
light rain
rain shwrs
clear
cloudy
cloudy
some clouds
clear
clear
some clouds
cloudy
light rain
some clouds
light rain
rain shwrs
clear
clear
 km/h
25
NE
25
NE
25
ENE
15
NE
10
NE
35
S
15
NW
25
WSW
30
SW
35
WSW
20
NW
25
NNE
15
NE
20
NE
15
NNE
5
S
15
NNE
15
NNE
20
NE
15
NNE
10
ENE
20
SW
35
WSW
40
WSW
25
W
5
NW
10
N
20
N
20
NNE
5
E
15
WSW
15
W
20
NW
15
NW
5
NW
45
WSW
 mm 
7
41
11
1
2
5
10
2
2
1
max°C
9
11
12
13
14
15
16
18
18
17
9
7
4
5
5
7
9
10
11
12
13
14
15
15
14
12
12
11
10
11
12
13
11
10
11
10
Moonrise
9:09
9:41
10:10
10:37
11:03
11:30
11:59
12:33
1:13
2:04
3:05
4:15
Moonset
7:21
8:24
9:27
10:29
11:33
12:39
1:49
3:03
4:19
5:33
6:39
Sunrise
6:43
6:45
6:45
6:45
6:46
6:46
6:47
6:47
6:47
6:47
6:48
6:48
Sunset
4:32
4:32
4:34
4:34
4:35
4:36
4:36
4:37
4:37
4:38
4:38
4:39
Today's sea temperature in Sirahama (Tiba) is
21.1° C
(Statistics for 22 Dec 1981-2005 – mean: 19.1 max: 20.3 min: 17.6°C)
Issued (local time): 8 pm Monday 22 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest