Niihama Sea Conditions and Tide Table

Niihama 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 06:35 AM and sunset is at 05:06 PM.

Days 1–3 Weather Summary

Mostly dry. Cool air temperatures (max 17°C on Thu morning, min 14°C on Wed morning). Wind will be generally light.

Days 4–6 Weather Summary

Light rain (total 2mm), mostly falling on Mon night. Cool air temperatures (max 18°C on Mon morning, min 9°C on Mon night). Winds increasing (calm on Sat night, fresh winds from the WNW by Mon night).

Days 7–9 Weather Summary

Light rain (total 7mm), mostly falling on Tue morning. Very mild (max 14°C on Thu afternoon, min 8°C on Tue morning). Winds decreasing (strong winds from the WNW on Tue afternoon, light winds from the WSW by Wed afternoon).

Days 10–12 Weather Summary

Light rain (total 4mm), mostly falling on Fri night. Very mild (max 17°C on Fri morning, min 8°C on Sat night). Winds decreasing (fresh winds from the W on Fri night, calm by Sun night).

Wednesday
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
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
4:43PM3.15m
4:28AM2.43m
5:55PM3.08m
6:15AM2.50m
7:02PM3.09m
7:36AM2.76m
7:56PM3.14m
8:33AM3.05m
8:38PM3.20m
9:19AM3.30m
9:12PM3.23m
9:58AM3.47m
9:42PM3.25m
10:35AM3.56m
10:10PM3.24m
11:10AM3.57m
10:37PM3.22m
11:44AM3.54m
11:04PM3.19m
12:17PM3.48m
11:34PM3.13m
12:50PM3.41m
00:06AM3.06m
Low Tide
9:34AM0.79m
11:06PM1.61m
10:55AM1.04m
00:33AM1.42m
12:23PM1.15m
1:38AM1.15m
1:37PM1.13m
2:24AM0.87m
2:33PM1.07m
3:02AM0.63m
3:18PM1.02m
3:35AM0.45m
3:56PM1.01m
4:06AM0.33m
4:31PM1.04m
4:35AM0.26m
5:04PM1.09m
5:03AM0.23m
5:36PM1.14m
5:31AM0.23m
6:09PM1.20m
6:42PM1.26m
Wave
height (m) 
direction
period (s) 
cloud
cloud
cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
part cloud
part cloud
cloud
rain showers
light rain
rain showers
rain showers
part cloud
clear
clear
clear
clear
part cloud
part cloud
clear
rain showers
part cloud
part cloud
clear
clear
clear
part cloud
cloudy
cloudy
cloudy
cloudy
cloudy
clear
clear
clear
clear
clear
clear
clear
cloudy
cloudy
some clouds
some clouds
cloudy
rain shwrs
light rain
rain shwrs
rain shwrs
some clouds
clear
clear
clear
clear
some clouds
some clouds
clear
rain shwrs
some clouds
some clouds
clear
clear
clear
some clouds
 km/h
10
ENE
5
NNW
5
NW
5
NNW
0
SSE
0
N
5
NE
5
SE
5
NW
5
NNE
5
ENE
0
SSE
5
NNW
10
ENE
5
W
15
W
30
NW
30
WNW
35
WNW
45
WNW
25
WNW
20
W
10
WNW
10
SW
10
WSW
10
WNW
10
SSW
15
SW
20
W
30
WSW
30
WNW
20
NNW
10
NE
10
ENE
5
ENE
0
SE
 mm 
2
4
1
2
4
max°C
15
16
16
17
16
16
16
16
16
15
15
15
16
17
17
18
14
11
8
9
9
10
10
9
13
14
13
17
17
15
12
12
9
11
11
11
Moonrise
11:50
12:52
1:50
2:47
3:44
4:41
5:39
6:37
7:36
8:33
9:26
Moonset
12:58
1:27
1:54
2:18
2:42
3:06
3:33
4:03
4:37
5:17
6:04
6:57
Sunrise
6:35
6:35
6:37
6:37
6:39
6:39
6:41
6:41
6:43
6:43
6:43
6:45
Sunset
5:06
5:05
5:04
5:04
5:02
5:01
5:01
5:00
5:00
5:00
5:00
5:00
Today's sea temperature in Niihama is
22.6° C
(Statistics for 12 Nov 1981-2005 – mean: 22.1 max: 23.6 min: 21.0°C)
Issued (local time): 8 am Wednesday 12 Nov 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest