Fort McHenry Marsh, Patapsco River Sea Conditions and Tide Table

Fort McHenry Marsh, Patapsco River 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 05:42 PM.

Days 1–4 Weather Summary

A light covering of new snow, mostly falling on Sat afternoon will be washed away by heavy rain (total 30mm) on Sat night. Icy conditions (max 16°C on Sun morning, min -2°C on Fri night). Winds increasing (light winds from the ESE on Fri night, strong winds from the W by Sun afternoon).

Days 5–7 Weather Summary

A light covering of new snow, mostly falling on Wed morning. Icy conditions (max 1°C on Mon afternoon, min -7°C on Mon night). Wind will be generally light.

Days 8–10 Weather Summary

Mostly dry. Freeze-thaw conditions (max 5°C on Sun morning, min -6°C on Thu night). Wind will be generally light.

Days 11–13 Weather Summary

Light rain (total 5mm), mostly falling on Mon afternoon. Mild temperatures (max 8°C on Tue morning, min 1°C on Sun night). Wind will be generally light.

Fri
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wed
26
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
Wave Height Map
High Tide
8:09PM0.32m
8:18AM0.27m
8:42PM0.29m
9:04AM0.29m
9:15PM0.26m
9:49AM0.30m
9:50PM0.23m
10:34AM0.30m
10:32PM0.21m
11:22AM0.30m
11:23PM0.20m
12:14PM0.30m
00:21AM0.19m
1:13PM0.30m
1:21AM0.19m
2:16PM0.31m
2:17AM0.19m
3:16PM0.34m
3:09AM0.20m
4:10PM0.36m
3:58AM0.21m
4:59PM0.38m
4:46AM0.24m
Low Tide
2:02PM-0.05m
2:46AM-0.03m
2:50PM-0.01m
3:13AM-0.04m
3:40PM0.02m
3:40AM-0.05m
4:32PM0.04m
4:10AM-0.05m
5:26PM0.06m
4:46AM-0.04m
6:24PM0.07m
5:28AM-0.03m
7:25PM0.07m
8:30PM0.07m
7:12AM-0.03m
9:32PM0.07m
8:09AM-0.04m
10:29PM0.06m
9:06AM-0.06m
11:18PM0.05m
10:04AM-0.08m
00:01AM0.04m
11:02AM-0.09m
Wave
height (m) 
direction
period (s) 
clear
cloud
cloud
light snow
heavy rain
mod rain
clear
clear
clear
clear
clear
cloud
part cloud
part cloud
light snow
light snow
snow showers
part cloud
cloud
clear
clear
clear
part cloud
clear
clear
part cloud
clear
part cloud
cloud
cloud
light rain
rain showers
cloud
part cloud
clear
part cloud
clear
cloudy
cloudy
light snow
heavy rain
mod rain
clear
clear
clear
clear
clear
cloudy
some clouds
some clouds
light snow
light snow
snow shwrs
some clouds
cloudy
clear
clear
clear
some clouds
clear
clear
some clouds
clear
some clouds
cloudy
cloudy
light rain
rain shwrs
cloudy
some clouds
clear
some clouds
 km/h
15
NNW
10
ESE
15
S
15
SSE
10
S
20
SW
40
W
30
W
30
WNW
25
WNW
20
WNW
25
NW
20
NW
15
N
10
NNE
5
ENE
10
NNE
20
NNW
25
NW
25
WNW
25
NW
20
NW
15
NW
15
NW
10
W
5
SSW
10
SSW
10
SSE
5
ESE
15
NE
25
NNE
20
NW
20
W
20
W
15
W
25
W
 mm 
22
8
3
2.0
max°C
2
-1
1
2
7
16
12
3
0
1
-2
-4
-1
-4
-6
-5
-4
-1
-2
-4
0
2
-2
1
3
1
5
6
3
5
4
4
8
7
5
7
Moonrise
7:58
8:58
9:57
10:57
11:59
1:01
2:04
3:06
4:02
4:51
5:33
6:08
Moonset
8:03
8:23
8:43
9:03
9:26
9:53
10:25
11:04
11:53
12:51
1:59
3:12
4:27
Sunrise
6:58
6:56
6:54
6:54
6:52
6:50
6:50
6:48
6:47
6:46
6:43
6:43
Sunset
5:42
5:43
5:44
5:45
5:45
5:46
5:49
5:50
5:51
5:52
5:52
5:53
Today's sea temperature in Fort McHenry Marsh, Patapsco River is 3.5 °C (Statistics for 14 Feb 1981-2005 – mean: 1.1 max: 3.6 min: -0.7°C)
Issued (local time): 6 pm Friday 14 Feb 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest