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 08:32 PM.

Days 1–4 Weather Summary

Heavy rain (total 20mm), heaviest during Sun afternoon. Very warm air temperatures (max 31°C on Fri night, min 17°C on Mon morning). Wind will be generally light.

Days 5–7 Weather Summary

Light rain (total 9mm), mostly falling on Wed morning. Very warm air temperatures (max 30°C on Thu afternoon, min 19°C on Mon night). Wind will be generally light.

Days 8–10 Weather Summary

Light rain (total 6mm), mostly falling on Thu night. Warm (max 29°C on Sun afternoon, min 18°C on Fri morning). Wind will be generally light.

Days 11–13 Weather Summary

Light rain (total 7mm), mostly falling on Mon afternoon. Warm (max 29°C on Mon afternoon, min 17°C on Mon night). Wind will be generally light.

Days 14–17 Weather Summary

Heavy rain (total 37mm), heaviest during Thu night. Warm (max 30°C on Sun afternoon, min 18°C on Thu morning). Wind will be generally light.

Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sun
28
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
night
AM
Wave Height Map
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High Tide
5:39AM0.66m
5:49PM0.33m
6:33AM0.68m
6:43PM0.34m
7:27AM0.68m
7:35PM0.37m
8:21AM0.66m
8:29PM0.40m
9:14AM0.64m
9:24PM0.41m
10:06AM0.60m
10:21PM0.43m
10:56AM0.56m
11:22PM0.45m
11:46AM0.51m
00:26AM0.47m
12:36PM0.45m
1:29AM0.50m
1:27PM0.40m
2:30AM0.52m
2:20PM0.35m
3:27AM0.55m
3:14PM0.31m
4:19AM0.57m
4:07PM0.30m
5:08AM0.58m
4:58PM0.30m
Low Tide
10:23PM0.09m
1:11PM0.12m
11:24PM0.07m
2:01PM0.11m
00:28AM0.06m
2:49PM0.11m
1:33AM0.05m
3:36PM0.11m
2:36AM0.06m
4:22PM0.11m
3:37AM0.08m
5:08PM0.11m
5:52PM0.11m
5:45AM0.15m
6:34PM0.11m
6:56AM0.19m
7:14PM0.11m
8:14AM0.22m
7:51PM0.11m
9:37AM0.23m
8:27PM0.12m
10:57AM0.22m
9:02PM0.12m
12:02PM0.21m
9:43PM0.12m
12:50PM0.20m
Wave
Height (m)
Direction
Period (s)
thunderstorm
clear
clear
clear
part cloud
thunderstorm
rain showers
clear
part cloud
part cloud
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
part cloud
light rain
light rain
rain showers
light rain
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
clear
clear
part cloud
cloud
part cloud
heavy rain
mod rain
thunderstorm
thunderstorm
clear
part cloud
part cloud
clear
risk tstorm
clear
clear
clear
some clouds
risk tstorm
rain shwrs
clear
some clouds
some clouds
some clouds
some clouds
some clouds
risk tstorm
risk tstorm
some clouds
light rain
light rain
rain shwrs
light rain
some clouds
some clouds
clear
clear
clear
clear
some clouds
some clouds
some clouds
risk tstorm
risk tstorm
some clouds
some clouds
some clouds
clear
clear
some clouds
cloudy
some clouds
heavy rain
mod rain
risk tstorm
risk tstorm
clear
some clouds
some clouds
clear
km/h
15
NW
10
NNW
10
WNW
10
SW
20
S
20
NW
15
NW
15
NW
20
WNW
10
WNW
5
WSW
5
SW
10
SSW
20
S
25
SSE
15
S
25
SSW
15
WSW
5
NW
10
NE
10
NW
15
NNW
10
NNW
10
W
10
WSW
5
NNW
5
E
15
SSE
10
SW
10
SW
15
NW
20
N
15
NNE
10
ESE
10
ESE
10
SE
15
SSE
15
S
15
SSE
10
S
15
SE
15
S
15
WSW
20
NW
15
WNW
5
SW
0
N
1
15
4
3
3
1
2
4
2
4
3
16
8
2
11
max °C
31
26
30
29
29
31
23
20
25
23
22
25
24
23
26
25
25
30
24
19
26
26
23
27
27
26
29
28
27
29
26
19
25
23
21
26
24
21
26
24
22
26
23
25
29
28
28
Moonrise
3:46
4:38
5:42
6:57
8:15
9:32
10:45
11:54
1:00
2:03
3:05
4:08
5:10
6:12
7:11
Moonset
7:26
8:41
9:45
10:37
11:17
11:49
12:15
12:39
1:01
1:24
1:48
2:14
2:45
3:22
4:06
Sunrise
5:39
5:39
5:39
5:39
5:39
5:39
5:39
5:39
5:39
5:39
5:39
5:39
5:41
5:41
5:41
5:41
Sunset
8:32
8:32
8:32
8:34
8:34
8:35
8:35
8:35
8:35
8:36
8:36
8:36
8:36
8:36
8:36
8:36
Today's sea temperature in Fort McHenry Marsh, Patapsco River is
22.9° C
(Statistics for 12 Jun 1981-2005 – mean: 16.7 max: 19.6 min: 14.2°C)
Issued (local time): 7 pm Friday 12 Jun 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest