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Elev 157 ft, 39.16 °N, 76.7 °W

Harmans, MD Severe Weather Alertstar_ratehome

icon61 Â°F Severn(MunsonHeights), Md Station|Report|Change
Current Station
Personal Weather Station
Location: Harmans, MD
Elevation: 157ft
Nearby Weather Stations

Active Weather Alerts

Small Craft Advisory
Issued: 7:00 AM May. 9, 2026 – National Weather Service
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM EDT THIS
EVENING...

* WHAT...Southwest winds 10 to 15 kt with gusts up to 20 kt.

* WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD,
Chesapeake Bay north of Pooles Island MD, Patapsco River
including Baltimore Harbor, Chester River to Queenstown MD,
and Patuxent River to Broomes Island MD.

* WHEN...Until 6 PM EDT this evening.

* IMPACTS...Conditions will be hazardous to small craft.

* ADDITIONAL DETAILS...Gusts may be more occasional at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

Coastal Flood Advisory
Issued: 6:56 AM May. 9, 2026 – National Weather Service
...COASTAL FLOOD ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO
1 PM EDT THIS AFTERNOON...

* WHAT...Up to one half foot of inundation above ground level
expected in low lying areas due to tidal flooding.

* WHERE...Shoreline in Anne Arundel County.

* WHEN...From 9 AM this morning to 1 PM EDT this afternoon,
especially around the time of high tide.

* IMPACTS...At 2.6 feet, water may begin to pond in the parking
lot at Annapolis City Dock, and surround the Alex Haley
Memorial.

* ADDITIONAL DETAILS...Tides one to one and a half feet above
normal. The next high tide at Annapolis U.S. Naval Academy is at
11:26 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
--------  ---------  ---------  ---------  -------  --------
09/11 AM     2.6        1.2        1.3       1.0     Minor
09/10 PM     1.7        0.3        0.7       0.5      None
10/12 PM     1.8        0.4        0.6       0.5      None
11/12 AM     1.7        0.3        0.6       0.5      None
11/11 AM     1.3       -0.1        0.2       0.5      None

&&

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