Shiraoi Sea Conditions and Tide Table

Shiraoi 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 30mm), heaviest during Sun morning. Icy conditions (max 9°C on Sat morning, min -2°C on Thu night). Wind will be generally light.

Days 5–7 Weather Summary

Heavy rain (total 23mm), heaviest during Wed afternoon. Icy conditions (max 10°C on Wed afternoon, min -2°C on Mon night). Winds increasing (calm on Tue morning, strong winds from the S by Wed afternoon).

Days 8–10 Weather Summary

Light rain (total 3mm), mostly falling on Wed night. Freeze-thaw conditions (max 6°C on Wed night, min -4°C on Sat afternoon). Winds decreasing (strong winds from the WSW on Wed night, light winds from the NW by Sat afternoon).

Days 11–13 Weather Summary

Light rain (total 4mm), mostly falling on Mon night. Freeze-thaw conditions (max 5°C on Mon night, min -4°C on Sat night). Wind will be generally light.

Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tue
30
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
4:04AM1.17m
1:42PM1.34m
4:37AM1.19m
2:20PM1.37m
5:09AM1.20m
2:58PM1.40m
5:42AM1.20m
3:36PM1.40m
6:14AM1.19m
4:14PM1.38m
6:46AM1.18m
4:55PM1.33m
7:17AM1.18m
5:39PM1.25m
7:49AM1.18m
6:33PM1.15m
8:19AM1.19m
7:44PM1.04m
8:51AM1.20m
9:28PM0.95m
9:25AM1.23m
11:52PM0.94m
10:06AM1.26m
Low Tide
8:41PM0.13m
8:25AM0.97m
9:17PM0.08m
9:00AM0.96m
9:53PM0.05m
9:34AM0.95m
10:28PM0.04m
10:09AM0.93m
11:03PM0.06m
10:46AM0.91m
11:38PM0.10m
11:27AM0.89m
00:12AM0.17m
12:15PM0.86m
00:47AM0.27m
1:12PM0.81m
1:22AM0.40m
2:20PM0.73m
1:59AM0.55m
3:38PM0.62m
2:39AM0.71m
4:57PM0.48m
3:29AM0.87m
Wave
height (m) 
direction
period (s) 
0.4
SE
10
0.3
SE
12
0.2
ESE
12
0.8
S
4
1.2
SSE
5
1
SSE
6
1.2
S
6
1.2
SSE
7
1.3
SSE
8
1.4
SSE
9
1.1
SSE
9
0.9
SSE
9
1
SSE
10
0.9
SSE
10
0.8
SSE
10
0.9
SSE
10
2.4
SSE
8
3.5
SSE
9
3
SSE
10
1.8
SSE
9
1.8
SE
9
1.3
SSE
9
1.2
SSE
9
1.1
SE
9
0.8
SE
9
0.7
SE
8
0.6
ESE
13
0.5
SE
13
0.4
SE
13
0.4
SE
12
0.5
SE
12
0.5
SE
12
0.6
SW
4
1.2
SSW
5
0.7
S
5
0.7
NE
4
clear
part cloud
cloud
light rain
part cloud
cloud
heavy rain
heavy rain
cloud
part cloud
part cloud
clear
clear
clear
part cloud
cloud
mod rain
heavy rain
rain showers
part cloud
part cloud
part cloud
clear
part cloud
clear
part cloud
clear
clear
part cloud
part cloud
clear
clear
cloud
light rain
cloud
part cloud
clear
some clouds
cloudy
light rain
some clouds
cloudy
heavy rain
heavy rain
cloudy
some clouds
some clouds
clear
clear
clear
some clouds
cloudy
mod rain
heavy rain
rain shwrs
some clouds
some clouds
some clouds
clear
some clouds
clear
some clouds
clear
clear
some clouds
some clouds
clear
clear
cloudy
light rain
cloudy
some clouds
 km/h
10
W
5
N
5
SSE
15
SSW
15
SW
15
SSW
10
SW
15
NNW
10
NNE
15
WNW
20
WNW
15
NW
5
NW
5
N
5
SSW
20
SSE
20
SSE
35
S
40
WSW
35
W
35
W
25
W
25
W
25
W
15
W
10
NW
20
WNW
10
WNW
5
WNW
15
WNW
15
W
15
WSW
15
SW
20
SSW
5
WNW
5
WNW
 mm 
4
11
15
9
14
3
4
max°C
-1
1
1
8
9
9
8
4
4
2
0
0
-2
-1
0
7
7
10
6
-2
-2
-1
2
2
0
-3
-3
-4
0
1
1
4
4
5
4
1
Moonrise
6:27
7:23
8:11
8:52
9:25
9:52
10:16
10:37
10:57
11:18
11:41
12:09
Moonset
2:53
3:44
4:43
5:47
6:55
8:03
9:12
10:21
11:31
12:43
2:00
Sunrise
6:58
6:58
7:00
7:01
7:01
7:01
7:01
7:01
7:03
7:03
7:03
7:03
Sunset
4:02
4:02
4:02
4:04
4:04
4:05
4:06
4:06
4:07
4:07
4:07
4:08
Today's sea temperature in Shiraoi is
8.8° C
(Statistics for 18 Dec 1981-2005 – mean: 9.4 max: 12.2 min: 7.6°C)
Issued (local time): 8 pm Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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