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Elev 157 ft, 39.16 °N, 76.7 °W

Harmans, MD Severe Weather Alertstar_ratehome

icon60 Â°F Severn(MunsonHeights), Md Station|Report|Change
Current Station
Personal Weather Station
Location: Harmans, MD
Elevation: 157ft
Nearby Weather Stations

Active Weather Alerts

Wind Advisory
Issued: 8:10 PM Mar. 16, 2026 – National Weather Service
...WIND ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO MIDNIGHT EDT
TONIGHT...

* WHAT...West winds 20 to 30 mph with gusts up to 55 mph expected.

* WHERE...The Washington Metropolitan area, northern Virginia,
northern and central Maryland as well as southern Maryland.

* WHEN...From 8 PM this evening to midnight EDT tonight. A sudden
onset of strong winds are expected behind the cold front this
evening.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution. Be prepared for a sudden onset
of strong winds this evening.

&&

Coastal Flood Advisory
Issued: 7:43 PM Mar. 16, 2026 – National Weather Service
...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 11 PM EDT THIS
EVENING...
...COASTAL FLOOD WARNING IS CANCELLED...

* WHAT...Up to one and a half feet of inundation above ground
level in low lying areas due to tidal flooding.

* WHERE...Shoreline in Anne Arundel County.

* WHEN...Until 11 PM EDT this evening, especially around the
time of high tide.

* IMPACTS...At 3.0 feet, Compromise Street begins to flood in
Annapolis. Flooding of much of the City Dock parking lot is
occurring.

* ADDITIONAL DETAILS...Tides two to two and a half feet above
normal. The next high tide at Annapolis U.S. Naval Academy is at
4:30 PM and 4:33 AM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If travel is required, allow extra time as some roads may be
closed. Do not drive around barricades or through water of
unknown depth. Take the necessary actions to protect flood-prone
property.

&&

Time of high total tides are approximate to the nearest hour.

Severn River at Annapolis
MLLW Categories - Minor 2.6 ft, Moderate 3.3 ft, Major 5.0 ft
MHHW Categories - Minor 1.2 ft, Moderate 1.9 ft, Major 3.6 ft

Total      Total    Departure
Day/Time    Tide       Tide     from Norm   Waves    Flood
ft MLLW    ft MHHW       ft       ft      Impact
--------  ---------  ---------  ---------  -------  --------
16/05 PM     3.0        1.6        2.1       3.0     Minor
17/03 AM     2.4        1.0        1.7       0.5      None
17/04 PM     0.9       -0.5        0.1       0.5      None
18/04 AM     0.6       -0.8       -0.3       0.5      None
18/05 PM     0.9       -0.5        0.0       1.0      None
19/06 AM     1.3       -0.1        0.2       1.0      None

&&

Gale Warning
Issued: 4:33 PM Mar. 16, 2026 – National Weather Service
...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM EDT TUESDAY...

* WHAT...South winds 15 to 30 kt with gusts up to 40 kt and
waves 3 to 6 ft.

* WHERE...Tidal Potomac River from Key Bridge to Smith Point VA,
and Chesapeake Bay and adjoining estuaries north of Smith
Point VA.

* WHEN...Until 1 AM EDT Tuesday.

* IMPACTS...Strong winds will cause hazardous waves which could
capsize or damage vessels.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

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