Simayama Sea Conditions and Tide Table

Simayama 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 21mm), heaviest during Sat afternoon. Cool air temperatures (max 18°C on Sat morning, min 8°C on Sun afternoon). Winds increasing (calm on Thu night, fresh winds from the NNW by Sun morning).

Days 5–7 Weather Summary

Heavy rain (total 28mm), heaviest during Tue night. Cool air temperatures (max 15°C on Tue night, min 6°C on Sun night). Mainly fresh winds.

Days 8–10 Weather Summary

Some drizzle, heaviest during Sat afternoon. Very mild (max 11°C on Sat morning, min 5°C on Thu morning). Winds decreasing (fresh winds from the NNW on Wed night, calm by Fri morning).

Days 11–13 Weather Summary

Light rain (total 2mm), mostly falling on Sun morning. Very mild (max 12°C on Sun afternoon, min 9°C on Mon 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
7:48PM1.79m
8:48AM1.90m
8:28PM1.82m
9:28AM1.94m
9:08PM1.84m
10:07AM1.95m
9:48PM1.83m
10:45AM1.93m
10:28PM1.81m
11:23AM1.88m
11:10PM1.75m
12:03PM1.82m
11:56PM1.68m
12:46PM1.75m
00:48AM1.59m
1:32PM1.67m
1:49AM1.50m
2:24PM1.60m
3:02AM1.44m
3:24PM1.55m
4:25AM1.44m
4:28PM1.53m
5:43AM1.50m
5:31PM1.55m
Low Tide
2:15AM0.04m
2:43PM0.54m
2:55AM-0.01m
3:22PM0.52m
3:34AM-0.04m
4:01PM0.51m
4:13AM-0.02m
4:41PM0.50m
4:52AM0.04m
5:22PM0.51m
5:33AM0.13m
6:05PM0.53m
6:17AM0.25m
6:53PM0.54m
7:04AM0.38m
7:47PM0.56m
7:59AM0.52m
8:50PM0.55m
9:05AM0.64m
10:00PM0.51m
10:21AM0.71m
11:08PM0.43m
11:35AM0.72m
Wave
height (m) 
direction
period (s) 
0.6
NNE
7
0.6
NNE
6
1
S
4
1.3
S
5
1.2
S
5
1.2
S
5
0.6
S
5
0.9
NNW
4
1
N
6
1.1
NNE
6
1.3
NNE
5
1.4
NE
5
1.8
NE
6
1.2
NE
7
0.8
NE
6
0.9
SSE
4
0.9
S
6
0.8
NNW
4
1.1
N
5
0.9
NNE
6
0.9
NNE
11
0.8
NNE
9
0.6
NNE
8
0.5
NNE
7
0.6
NNE
5
1
NNE
5
1.1
NE
5
1.1
NE
6
1.3
NE
7
1.2
NE
7
0.8
NE
6
0.5
NE
6
0.5
NE
5
0.4
WSW
3
0.3
N
5
0.3
N
5
clear
cloud
cloud
rain showers
rain showers
mod rain
rain showers
cloud
part cloud
clear
clear
part cloud
part cloud
clear
part cloud
rain showers
part cloud
clear
clear
clear
clear
part cloud
cloud
part cloud
part cloud
part cloud
rain showers
clear
rain showers
clear
part cloud
cloud
part cloud
clear
part cloud
cloud
clear
cloudy
cloudy
rain shwrs
rain shwrs
mod rain
rain shwrs
cloudy
some clouds
clear
clear
some clouds
some clouds
clear
some clouds
rain shwrs
some clouds
clear
clear
clear
clear
some clouds
cloudy
some clouds
some clouds
some clouds
rain shwrs
clear
rain shwrs
clear
some clouds
cloudy
some clouds
clear
some clouds
cloudy
 km/h
5
S
15
SSW
25
S
30
S
15
SSW
20
SSW
15
W
35
NNW
30
NNW
20
NNE
20
NNE
25
NE
25
ENE
25
ESE
10
SW
20
S
30
NW
30
NW
35
NNW
15
NNE
15
NNW
20
NNW
5
N
10
NNE
15
N
20
NNE
25
NNE
20
NNE
15
ENE
15
E
10
SE
15
WNW
20
W
20
W
15
NNW
10
NNW
 mm 
7
4
7
3
28
1
2
max°C
12
14
17
17
18
18
18
10
8
8
10
11
12
12
14
15
13
10
8
8
8
9
9
9
9
11
11
10
11
12
11
11
11
10
10
10
Moonrise
6:45
7:39
8:29
9:13
9:51
10:23
10:53
11:20
11:46
12:13
12:43
1:17
Moonset
4:15
5:07
6:04
7:05
8:07
9:09
10:12
11:14
12:17
1:23
2:33
Sunrise
7:22
7:22
7:24
7:24
7:24
7:24
7:26
7:26
7:26
7:26
7:26
7:28
Sunset
5:15
5:15
5:15
5:15
5:16
5:16
5:17
5:17
5:19
5:20
5:20
5:21
Today's sea temperature in Simayama is
19.5° C
(Statistics for 18 Dec 1981-2005 – mean: 17.9 max: 19.2 min: 16.0°C)
Issued (local time): 8 pm Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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