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 07:05 AM and sunset is at 05:00 PM.

Days 1–3 Weather Summary

Moderate rain (total 10mm), heaviest on Sun morning. Cool air temperatures (max 14°C on Sat morning, min 7°C on Sun night). Wind will be generally light.

Days 4–6 Weather Summary

Heavy rain (total 34mm), heaviest during Tue night. Cool air temperatures (max 17°C on Wed morning, min 6°C on Mon night). Wind will be generally light.

Days 7–9 Weather Summary

Light rain (total 6mm), mostly falling on Sat morning. Very mild (max 11°C on Fri night, min 7°C on Thu night). Wind will be generally light.

Days 10–12 Weather Summary

Light rain (total 9mm), mostly falling on Sun night. Very mild (max 12°C on Sun afternoon, min 6°C on Mon night). Winds decreasing (strong winds from the W on Mon night, light winds from the W by Tue morning).

Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
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
11:02AM3.41m
10:13PM2.93m
11:38AM3.41m
10:49PM2.97m
12:12PM3.39m
11:25PM2.99m
12:44PM3.38m
00:02AM3.01m
1:16PM3.38m
00:41AM2.99m
1:48PM3.38m
1:23AM2.95m
2:23PM3.36m
2:09AM2.89m
3:01PM3.31m
3:04AM2.80m
3:45PM3.21m
4:12AM2.73m
4:37PM3.08m
5:36AM2.75m
5:38PM2.96m
7:04AM2.90m
6:45PM2.88m
Low Tide
4:53PM1.19m
4:44AM0.16m
5:28PM1.16m
5:18AM0.13m
6:02PM1.14m
6:36PM1.11m
6:27AM0.10m
7:11PM1.09m
7:03AM0.13m
7:49PM1.06m
7:42AM0.20m
8:30PM1.02m
8:24AM0.35m
9:17PM0.97m
9:13AM0.58m
10:12PM0.89m
10:14AM0.86m
11:17PM0.76m
11:31AM1.13m
00:25AM0.57m
12:59PM1.30m
1:31AM0.34m
Wave
height (m) 
direction
period (s) 
part cloud
part cloud
clear
part cloud
part cloud
light rain
mod rain
light rain
part cloud
clear
part cloud
clear
part cloud
light rain
heavy rain
light rain
light rain
part cloud
clear
part cloud
part cloud
cloud
part cloud
light rain
light rain
cloud
part cloud
part cloud
cloud
mod rain
light rain
part cloud
clear
clear
clear
clear
some clouds
some clouds
clear
some clouds
some clouds
light rain
mod rain
light rain
some clouds
clear
some clouds
clear
some clouds
light rain
heavy rain
light rain
light rain
some clouds
clear
some clouds
some clouds
cloudy
some clouds
light rain
light rain
cloudy
some clouds
some clouds
cloudy
mod rain
light rain
some clouds
clear
clear
clear
clear
 km/h
5
NE
10
NE
10
ESE
5
NNE
5
NNE
5
ENE
5
NNW
5
WNW
15
N
10
ENE
20
ENE
15
ENE
10
NNE
10
NE
15
E
5
S
20
W
10
NNE
25
NE
15
ENE
10
ENE
10
NE
10
NE
10
ENE
20
NE
10
NE
5
WSW
15
NW
15
WNW
20
WSW
25
WNW
40
WNW
40
WNW
10
W
15
W
20
SW
 mm 
2
6
2
1
25
4
4
3
3
6
3
max°C
12
13
13
14
14
14
14
12
10
9
10
7
10
11
14
17
15
10
8
9
8
8
9
11
11
11
11
11
12
10
10
10
9
8
10
11
Moonrise
6:27
7:22
8:12
8:56
9:34
10:07
10:36
11:04
11:30
11:57
12:27
1:02
Moonset
4:00
4:52
5:49
6:49
7:51
8:53
9:55
10:58
12:01
1:06
2:16
Sunrise
7:05
7:07
7:07
7:07
7:07
7:09
7:09
7:09
7:09
7:09
7:11
7:11
Sunset
5:00
5:00
5:00
5:00
5:01
5:01
5:02
5:02
5:04
5:05
5:05
5:06
Today's sea temperature in Niihama is
15.5° C
(Statistics for 19 Dec 1981-2005 – mean: 19.4 max: 20.6 min: 18.0°C)
Issued (local time): 8 am Friday 19 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest