Johnstown Sea Conditions and Tide Table

Johnstown 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 — and sunset is at —.

Days 1–4 Weather Summary

Light rain (total 3mm), mostly falling on Mon night. Icy conditions (max 13°C on Mon night, min -1°C on Tue night). Winds decreasing (near gales from the S on Mon night, light winds from the WSW by Tue night).

Days 5–7 Weather Summary

Mostly dry. Icy conditions (max 5°C on Sat afternoon, min -5°C on Thu night). Wind will be generally light.

Days 8–10 Weather Summary

Heavy rain (total 48mm), heaviest during Mon night. Freeze-thaw conditions (max 13°C on Mon night, min -4°C on Sun morning). Winds increasing (calm on Sun morning, strong winds from the SSE by Mon night).

Days 11–13 Weather Summary

Mostly dry. Freeze-thaw conditions (max 4°C on Tue night, min -5°C on Thu morning). Wind will be generally light.

Monday
11
Tuesday
12
Wednesday
13
Thursday
14
Friday
15
Saturday
16
Sunday
17
Monday
18
Tuesday
19
Wednesday
20
Thursday
21
Fri
22
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
10:06PM0.50m
10:37AM0.46m
10:38PM0.51m
11:29AM0.45m
11:22PM0.50m
12:58PM0.44m
00:22AM0.49m
2:03PM0.42m
1:32AM0.46m
2:48PM0.39m
2:33AM0.44m
3:28PM0.36m
3:25AM0.42m
4:08PM0.34m
4:13AM0.40m
4:53PM0.31m
5:05AM0.37m
6:25PM0.30m
6:09AM0.35m
8:07PM0.30m
7:26AM0.32m
8:59PM0.32m
8:35AM0.31m
Low Tide
5:32AM0.38m
5:18PM0.40m
6:10AM0.38m
5:57PM0.39m
6:49AM0.37m
6:35PM0.37m
7:36AM0.36m
7:15PM0.34m
8:41AM0.33m
7:58PM0.32m
10:03AM0.31m
8:46PM0.29m
11:00AM0.28m
9:46PM0.28m
11:33AM0.26m
10:53PM0.26m
11:52AM0.25m
11:57PM0.26m
12:07PM0.25m
1:06AM0.25m
12:27PM0.25m
2:48AM0.25m
12:58PM0.25m
Wave
height (m) 
direction
period (s) 
cloud
cloud
cloud
light rain
part cloud
clear
clear
part cloud
cloud
cloud
part cloud
part cloud
part cloud
clear
part cloud
clear
part cloud
cloud
part cloud
clear
clear
clear
cloud
light rain
heavy rain
mod rain
cloud
part cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
part cloud
clear
cloudy
cloudy
cloudy
light rain
some clouds
clear
clear
some clouds
cloudy
cloudy
some clouds
some clouds
some clouds
clear
some clouds
clear
some clouds
cloudy
some clouds
clear
clear
clear
cloudy
light rain
heavy rain
mod rain
cloudy
some clouds
cloudy
cloudy
cloudy
some clouds
cloudy
some clouds
some clouds
clear
 km/h
15
S
30
S
45
S
15
WSW
25
W
20
W
15
SW
25
SW
25
W
25
WNW
25
WNW
25
WNW
10
WSW
15
SW
25
SW
15
SW
15
WSW
15
W
20
NNW
10
SSW
15
SSW
15
S
20
SE
35
SE
45
SSE
25
S
15
W
20
WNW
25
WNW
20
NW
15
WNW
20
WNW
20
WNW
10
NW
10
WSW
10
SW
 mm 
3
3
35
10
max°C
10
11
12
13
3
1
2
5
4
0
-3
-2
-2
-1
3
3
4
5
3
-3
-2
3
7
7
13
12
9
4
-3
-3
-3
-5
-4
-3
-5
-4
Moonrise
4:58
6:13
7:30
8:41
9:42
10:30
11:06
11:34
11:56
12:16
12:34
12:53
1:14
Moonset
2:27
2:57
3:38
4:32
5:41
7:00
8:22
9:44
11:04
12:21
1:38
2:54
Sunrise
7:33
7:33
7:35
7:35
7:37
7:37
7:37
7:39
7:39
7:39
7:41
7:41
Sunset
4:17
4:17
4:17
4:17
4:17
4:19
4:19
4:19
4:20
4:20
4:21
4:21
Today's sea temperature in Johnstown is 6.4 °C (Statistics for 10 Dec 1981-2005 – mean: 3.6 max: 6.3 min: 2.2°C)
Nearest