Hekinan Sea Conditions and Tide Table

Hekinan 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 06:50 AM and sunset is at 04:40 PM.

Days 1–3 Weather Summary

Mostly dry. Cool air temperatures (max 13°C on Wed afternoon, min 4°C on Mon night). Winds decreasing (fresh winds from the NW on Mon morning, light winds from the NNW by Wed afternoon).

Days 4–6 Weather Summary

Light rain (total 5mm), mostly falling on Sat night. Cool air temperatures (max 15°C on Sat night, min 8°C on Thu morning). Wind will be generally light.

Days 7–9 Weather Summary

Heavy rain (total 40mm), heaviest during Sun morning. Very mild (max 18°C on Sun afternoon, min 4°C on Tue night). Winds increasing (calm on Sun night, strong winds from the NW by Mon night).

Days 10–12 Weather Summary

Moderate rain (total 13mm), heaviest on Wed night. Very mild (max 11°C on Wed night, min 5°C on Fri night). Winds increasing (light winds from the N on Wed morning, fresh winds from the NW by Thu afternoon).

Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
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
2:34PM1.91m
4:10AM1.85m
3:17PM1.95m
4:54AM1.97m
3:56PM1.99m
5:32AM2.07m
4:34PM2.04m
6:07AM2.14m
5:10PM2.09m
6:41AM2.18m
5:45PM2.13m
7:14AM2.20m
6:20PM2.16m
7:47AM2.20m
6:55PM2.15m
8:21AM2.18m
7:31PM2.12m
8:55AM2.16m
8:11PM2.05m
9:31AM2.13m
8:56PM1.96m
10:10AM2.10m
9:50PM1.85m
Low Tide
8:40AM1.21m
9:29PM0.64m
9:41AM1.23m
10:09PM0.50m
10:30AM1.22m
10:46PM0.39m
11:11AM1.19m
11:22PM0.29m
11:47AM1.16m
11:57PM0.22m
12:21PM1.13m
00:32AM0.18m
12:55PM1.11m
1:06AM0.17m
1:29PM1.09m
1:41AM0.19m
2:05PM1.08m
2:15AM0.25m
2:44PM1.06m
2:51AM0.34m
3:27PM1.04m
3:30AM0.47m
4:18PM1.00m
4:14AM0.65m
Wave
height (m) 
direction
period (s) 
1.2
WNW
4
1
NW
4
0.7
NW
4
0.4
SE
8
0.4
SE
8
0.5
WNW
3
0.4
SE
8
0.5
W
3
0.2
SSE
7
0.4
NNW
2
0.2
SSE
13
0.3
SE
10
0.2
SSE
10
0.2
ESE
14
0.2
ESE
13
0.3
SE
12
0.3
SSE
4
0.9
SSE
7
1.4
SSE
7
2.2
SSE
9
2
SSE
9
2.4
SSE
12
2.1
SSE
11
2
SSE
11
1.5
SSE
11
1.3
SSE
11
1
SSE
11
0.7
SSE
10
0.7
SSE
10
0.7
SSE
10
1.2
SSE
7
1.2
S
8
0.9
SSE
7
0.8
SSE
8
0.7
NW
3
0.8
NW
4
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
light rain
heavy rain
heavy rain
rain showers
clear
part cloud
clear
clear
clear
part cloud
cloud
part cloud
heavy rain
light rain
part cloud
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
some clouds
cloudy
cloudy
light rain
heavy rain
heavy rain
rain shwrs
clear
some clouds
clear
clear
clear
some clouds
cloudy
some clouds
heavy rain
light rain
some clouds
some clouds
cloudy
some clouds
clear
 km/h
30
NW
30
NW
15
NNW
10
NNW
10
NW
10
NNW
10
NNW
15
NW
10
NNW
15
NNW
5
N
5
NE
10
N
5
WSW
10
E
5
N
5
N
5
NNE
25
SE
25
SSE
15
NNW
20
WNW
30
WNW
45
NW
30
NW
30
NW
15
N
5
N
10
SSE
15
ENE
15
NW
25
NNW
20
WNW
20
NW
25
NW
20
NNW
 mm 
5
17
14
9
12
1
max°C
10
10
8
8
11
10
10
13
11
10
12
12
11
13
12
12
14
15
17
18
17
15
14
8
8
9
6
7
10
11
11
11
8
9
10
9
Moonrise
2:20
3:18
4:17
5:17
6:15
7:10
7:59
8:43
9:21
9:53
10:22
10:49
Moonset
1:19
1:47
2:20
2:58
3:42
4:33
5:30
6:31
7:34
8:37
9:39
10:42
Sunrise
6:50
6:52
6:52
6:52
6:54
6:54
6:54
6:54
6:56
6:56
6:56
6:56
Sunset
4:40
4:42
4:42
4:42
4:43
4:43
4:44
4:44
4:45
4:45
4:45
4:45
Today's sea temperature in Hekinan is
20.4° C
(Statistics for 15 Dec 1981-2005 – mean: 19.5 max: 21.4 min: 18.2°C)
Issued (local time): 2 am Monday 15 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest