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 06:58 AM and sunset is at 05:07 PM.

Days 1–3 Weather Summary

Mostly dry. Icy conditions (max 7°C on Tue morning, min 0°C on Tue night). Winds decreasing (strong winds from the NW on Tue morning, light winds from the NW by Thu morning).

Days 4–6 Weather Summary

Mostly dry. Icy conditions (max 7°C on Sat afternoon, min 0°C on Sun night). Mainly fresh winds.

Days 7–9 Weather Summary

Mostly dry. Freeze-thaw conditions (max 8°C on Tue afternoon, min 0°C on Mon morning). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Freeze-thaw conditions (max 8°C on Thu afternoon, min 0°C on Fri night). Winds increasing (light winds from the WNW on Thu morning, fresh winds from the WNW by Sat afternoon).

Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunday
25
Monday
26
Tuesday
27
Wednesday
28
Thursday
29
Friday
30
Saturday
31
Sunday
1
Monday
2
Tuesday
3
Wed
4
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
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
Wave Height Map
High Tide
7:31AM2.30m
6:52PM2.26m
7:59AM2.32m
7:28PM2.26m
8:26AM2.32m
8:06PM2.22m
8:55AM2.30m
8:48PM2.13m
9:25AM2.24m
9:35PM2.00m
9:58AM2.16m
10:34PM1.85m
10:36AM2.06m
00:01AM1.71m
11:27AM1.95m
2:10AM1.71m
12:45PM1.86m
3:58AM1.87m
2:22PM1.88m
5:00AM2.05m
3:41PM1.99m
5:44AM2.20m
4:41PM2.14m
6:21AM2.31m
5:31PM2.28m
6:53AM2.37m
6:15PM2.37m
7:23AM2.38m
Low Tide
1:19PM0.93m
1:29AM0.10m
1:51PM0.85m
2:00AM0.16m
2:24PM0.78m
2:31AM0.28m
3:00PM0.73m
3:04AM0.46m
3:40PM0.70m
3:40AM0.69m
4:28PM0.69m
4:21AM0.95m
5:28PM0.69m
5:17AM1.21m
6:49PM0.66m
6:57AM1.43m
8:26PM0.56m
9:19AM1.46m
9:47PM0.38m
10:39AM1.35m
10:48PM0.19m
11:28AM1.21m
11:36PM0.04m
12:07PM1.05m
00:18AM-0.04m
12:42PM0.91m
00:56AM-0.03m
Wave
height (m) 
direction
period (s) 
0.8
WNW
4
1.4
NW
5
1
NNW
4
0.7
NNW
4
0.4
SSE
10
1
W
4
0.7
WNW
3
0.7
SSE
10
0.5
SSE
11
0.7
W
3
0.7
W
4
0.9
WNW
4
0.6
W
4
1
W
4
1.5
W
5
0.9
WNW
5
0.8
NW
4
0.9
NW
4
0.8
NNW
4
0.7
NW
4
0.2
NNW
2
0.3
NNW
2
0.2
NNW
2
0.8
NW
4
0.6
NW
4
0.6
NW
3
0.5
NW
3
0.7
W
4
0.9
WNW
4
0.7
WNW
4
0.4
NNW
2
0.3
NW
2
0.6
W
3
1
W
4
1.3
WNW
5
1.4
W
5
1.4
W
5
0.9
WNW
4
0.8
WNW
4
1.1
W
4
1.1
WNW
4
0.9
WNW
4
0.3
WNW
3
0.2
NNW
2
0.3
NW
2
0.2
NNW
2
0.2
NNW
2
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
cloud
part cloud
clear
cloud
cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
clear
cloud
clear
clear
part cloud
rain showers
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
some clouds
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
clear
some clouds
clear
clear
clear
clear
some clouds
some clouds
some clouds
clear
clear
some clouds
some clouds
cloudy
some clouds
clear
cloudy
cloudy
some clouds
clear
clear
clear
some clouds
some clouds
some clouds
clear
cloudy
clear
clear
some clouds
rain shwrs
some clouds
some clouds
clear
clear
clear
clear
clear
clear
some clouds
 km/h
30
NW
40
NW
25
NNW
20
NNW
20
WNW
20
WNW
10
NW
25
NW
15
NW
15
NW
25
WNW
25
WNW
15
W
30
WNW
30
WNW
15
NW
25
NNW
25
NW
25
NNW
25
NW
10
NNW
10
N
15
NW
25
NW
20
NNW
20
NW
15
NNW
10
WNW
35
WNW
20
NW
15
NNW
15
WNW
15
WNW
20
WNW
35
WNW
35
WNW
30
WNW
25
NW
20
WNW
25
WNW
35
WNW
15
NW
10
N
15
NNW
10
NNW
10
N
15
NNW
 mm 
1
max°C
7
5
1
3
5
4
1
4
2
4
5
4
6
7
3
2
4
2
3
5
3
5
8
7
6
8
6
7
8
5
3
5
3
3
4
2
3
4
2
4
5
3
4
6
4
7
9
Moonrise
7:55
8:25
8:53
9:19
9:45
10:13
10:44
11:21
12:06
1:00
2:05
3:17
4:30
5:42
6:51
7:56
Moonset
6:29
7:33
8:36
9:39
10:44
11:52
1:02
2:15
3:27
4:35
5:34
6:23
7:03
7:36
8:05
Sunrise
6:58
6:56
6:56
6:56
6:56
6:54
6:54
6:54
6:54
6:52
6:52
6:52
6:50
6:50
6:48
6:48
Sunset
5:07
5:07
5:08
5:09
5:10
5:12
5:13
5:14
5:15
5:15
5:16
5:17
5:19
5:20
5:21
5:22
Today's sea temperature in Hekinan is
15.6° C
(Statistics for 20 Jan 1981-2005 – mean: 17.2 max: 18.5 min: 16.0°C)
Issued (local time): 2 am Tuesday 20 Jan 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest