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 04:29 PM.

Days 1–4 Weather Summary

Mostly dry. Cool air temperatures (max 13°C on Mon afternoon, min 8°C on Mon night). Wind will be generally light.

Days 5–7 Weather Summary

Heavy rain (total 33mm), heaviest during Sat afternoon. Cool air temperatures (max 19°C on Sat night, min 11°C on Thu night). Mainly strong winds.

Days 8–10 Weather Summary

Heavy rain (total 43mm), heaviest during Mon morning. Very mild (max 17°C on Sun afternoon, min 6°C on Mon night). Winds decreasing (strong winds from the NNE on Mon morning, calm by Wed morning).

Days 11–13 Weather Summary

Light rain (total 5mm), mostly falling on Thu night. Very mild (max 12°C on Sat morning, min 7°C on Thu night). Winds increasing (calm on Wed afternoon, near gales from the WSW by Sat morning).

Mon
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Sat
27
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
12:36PM1.24m
2:18AM1.09m
1:16PM1.28m
3:29AM1.17m
1:55PM1.33m
4:24AM1.24m
2:33PM1.38m
5:12AM1.29m
3:12PM1.42m
5:54AM1.32m
3:50PM1.45m
6:33AM1.33m
4:30PM1.47m
7:10AM1.32m
5:10PM1.46m
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
Low Tide
7:39PM0.49m
7:20AM0.82m
8:29PM0.34m
8:20AM0.89m
9:15PM0.20m
9:10AM0.93m
9:57PM0.09m
9:55AM0.96m
10:37PM0.00m
10:35AM0.97m
11:16PM-0.04m
11:14AM0.97m
11:55PM-0.05m
11:52AM0.96m
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
Wave
height (m) 
direction
period (s) 
1.4
SSW
9
1.2
SSE
8
1.1
SE
9
1
ENE
12
1.5
WSW
6
1.4
WSW
6
1.9
WSW
6
1.3
WSW
6
1.2
ENE
17
1.7
ENE
8
1.6
ENE
10
1.5
ENE
14
1.5
ENE
13
1.3
ENE
12
2
SE
7
2.5
SE
7
2.2
SE
7
2
SE
7
2
SE
7
1.8
SE
8
2.5
SE
9
4
ESE
10
4
E
11
3.5
E
11
3
E
11
3
E
11
2.4
ENE
13
2.1
ENE
12
2
ENE
13
1.9
ENE
14
1.6
ENE
14
1.6
ENE
13
1.5
E
13
1.4
E
14
1.3
E
14
2.4
WSW
6
clear
part cloud
part cloud
clear
clear
clear
cloud
part cloud
part cloud
cloud
light rain
light rain
part cloud
rain showers
light rain
rain showers
rain showers
mod rain
heavy rain
heavy rain
mod rain
cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
cloud
light rain
rain showers
part cloud
cloud
part cloud
clear
clear
some clouds
some clouds
clear
clear
clear
cloudy
some clouds
some clouds
cloudy
light rain
light rain
some clouds
rain shwrs
light rain
rain shwrs
rain shwrs
mod rain
heavy rain
heavy rain
mod rain
cloudy
some clouds
some clouds
clear
clear
some clouds
some clouds
some clouds
cloudy
light rain
rain shwrs
some clouds
cloudy
some clouds
clear
 km/h
10
NE
20
NNE
15
N
5
WNW
15
WNW
10
W
20
W
15
NNW
30
NNE
25
NE
10
NE
15
NNE
15
NNE
5
NNW
15
S
40
S
30
SSW
30
SSW
30
SSW
25
SSW
50
NNE
45
NNE
35
NNE
30
NNE
20
NNE
25
NNE
10
NE
0
WSW
10
NNW
5
NE
5
NW
30
N
20
NE
15
ENE
15
WNW
45
WSW
 mm 
2
1
1
2
13
8
6
12
21
10
2
3
max°C
13
10
10
11
11
12
13
12
11
12
12
12
13
15
17
17
19
18
17
17
12
11
8
8
9
8
8
10
9
10
11
8
9
10
11
12
Moonrise
3:06
4:05
5:04
6:03
6:58
7:47
8:31
9:09
9:41
10:10
10:37
11:03
Moonset
1:35
2:07
2:45
3:29
4:21
5:18
6:19
7:21
8:24
9:27
10:29
Sunrise
6:39
6:41
6:41
6:41
6:43
6:43
6:43
6:43
6:45
6:45
6:45
6:46
Sunset
4:29
4:30
4:30
4:30
4:30
4:30
4:31
4:31
4:32
4:32
4:34
4:34
Today's sea temperature in Sirahama (Tiba) is
20.3° C
(Statistics for 15 Dec 1981-2005 – mean: 19.6 max: 22.1 min: 18.1°C)
Issued (local time): 2 pm Monday 15 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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