Hamamasu Sea Conditions and Tide Table

Hamamasu 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 07:03 AM and sunset is at 04:00 PM.

Days 1–3 Weather Summary

Light rain (total 5mm) at first, then becoming colder with a dusting of snow on Sun night. Icy conditions (max 4°C on Tue night, min -2°C on Mon afternoon). Winds increasing (light winds from the NNW on Sun morning, fresh winds from the NNW by Sun night).

Days 4–6 Weather Summary

Mild with light rain (total 6mm) on Wed afternoon. Becoming colder with a light covering of snow, mostly falling on Fri afternoon. Icy conditions (max 6°C on Wed morning, min -7°C on Fri night). Winds increasing (light winds from the NW on Thu night, fresh winds from the W by Fri night).

Days 7–9 Weather Summary

A light covering of new snow, mostly falling on Sat morning. Freeze-thaw conditions (max 4°C on Mon night, min -7°C on Sat morning). Winds decreasing (fresh winds from the W on Sat morning, light winds from the SW by Sun night).

Days 10–12 Weather Summary

Moderate rain (total 11mm), heaviest on Wed morning giving way to a moderate fall of snow, heaviest on Wed afternoon. Freeze-thaw conditions (max 8°C on Tue afternoon, min -6°C on Thu night). Winds increasing (light winds from the W on Wed morning, strong winds from the W by Fri morning).

Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
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
Wave Height Map
High Tide
7:21PM0.23m
7:50PM0.22m
8:12PM0.21m
8:29PM0.20m
8:42PM0.19m
6:23AM0.24m
8:56PM0.19m
7:39AM0.21m
9:10PM0.19m
9:20AM0.19m
9:26PM0.20m
11:38AM0.18m
9:48PM0.21m
2:18PM0.19m
10:17PM0.22m
4:40PM0.21m
10:54PM0.24m
11:40PM0.25m
Low Tide
10:32AM-0.04m
9:14PM0.23m
11:15AM-0.04m
9:52PM0.22m
11:56AM-0.02m
10:39PM0.20m
12:37PM-0.00m
11:34PM0.19m
1:18PM0.03m
00:38AM0.17m
1:58PM0.06m
1:50AM0.15m
2:38PM0.09m
3:10AM0.12m
3:17PM0.13m
4:33AM0.09m
3:55PM0.16m
5:47AM0.06m
4:32PM0.19m
6:52AM0.02m
5:03PM0.21m
7:48AM-0.01m
Wave
height (m) 
direction
period (s) 
0.8
NW
5
1
NW
5
1.5
WNW
6
1.9
NW
7
1.3
NW
6
0.8
NW
5
0.8
NW
5
0.6
WNW
5
1.1
SE
4
1.3
SSE
5
1.1
SE
4
1.2
W
4
1.5
WNW
7
1.5
WNW
7
1.2
WNW
7
1.2
WNW
6
1.3
WNW
6
1.8
W
7
2.3
W
7
2.3
W
8
1.7
WNW
7
2.2
W
7
2.2
W
7
1.3
WNW
7
1
W
6
1
W
7
1.2
SSW
5
1.1
SE
4
1.1
SSE
4
1.3
SSE
5
0.7
WSW
7
1.2
W
6
0.9
W
7
1
WNW
4
1.6
WNW
6
2.3
NW
8
light rain
cloud
light snow
snow showers
part cloud
cloud
part cloud
part cloud
cloud
cloud
light rain
rain showers
part cloud
part cloud
cloud
light snow
light snow
light snow
light snow
light snow
light snow
cloud
cloud
part cloud
part cloud
clear
part cloud
part cloud
cloud
light rain
mod rain
light snow
cloud
cloud
light snow
mod snow
light rain
cloudy
light snow
snow shwrs
some clouds
cloudy
some clouds
some clouds
cloudy
cloudy
light rain
rain shwrs
some clouds
some clouds
cloudy
light snow
light snow
light snow
light snow
light snow
light snow
cloudy
cloudy
some clouds
some clouds
clear
some clouds
some clouds
cloudy
light rain
mod rain
light snow
cloudy
cloudy
light snow
mod snow
 km/h
10
NNW
15
NW
25
W
25
NNW
15
NNW
10
W
10
SW
10
SSE
25
SE
30
SE
25
SE
30
W
20
W
15
WNW
10
WNW
20
NNW
25
WNW
30
W
35
W
30
W
25
W
35
W
35
W
20
WSW
20
SSE
20
SE
25
SSE
30
SSE
30
SSE
30
SE
20
SSW
15
WNW
15
WNW
20
NW
25
WNW
35
WNW
 mm 
5
3
3
5
6
max°C
3
2
0
-1
-1
-1
0
-1
4
6
6
6
0
-1
-2
-3
-5
-6
-6
-6
-4
-2
-1
-1
1
1
4
7
8
7
5
2
1
-1
-1
-3
Moonrise
8:16
8:56
9:29
9:55
10:18
10:38
10:57
11:17
11:39
12:06
12:40
1:24
Moonset
4:37
5:43
6:51
8:01
9:10
10:20
11:31
12:44
2:01
3:23
4:45
Sunrise
7:03
7:03
7:03
7:05
7:05
7:05
7:05
7:05
7:07
7:07
7:07
7:07
Sunset
4:00
4:00
4:00
4:00
4:01
4:01
4:02
4:04
4:04
4:05
4:06
4:07
Today's sea temperature in Hamamasu is
7.4° C
(Statistics for 21 Dec 1981-2005 – mean: 7.9 max: 10.0 min: 5.4°C)
Issued (local time): 2 am Sunday 21 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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