Coastal Flood Advisory
Coastal Hazard Message
National Weather Service Baltimore MD/Washington DC
256 AM EDT Sat May 9 2026
MDZ014-091400-
/O.NEW.KLWX.CF.Y.0011.260509T1300Z-260509T1700Z/
Anne Arundel-
256 AM EDT Sat May 9 2026
...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
&&
$$
Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
904 AM EDT Sat May 9 2026
ANZ530-535-536-538-539-542-092115-
/O.CON.KLWX.SC.Y.0081.000000T0000Z-260509T2200Z/
Chesapeake Bay north of Pooles Island MD-
Tidal Potomac from Key Bridge to Indian Head MD-
Tidal Potomac from Indian Head to Cobb Island MD-
Patapsco River including Baltimore Harbor-
Chester River to Queenstown MD-
Patuxent River to Broomes Island MD-
904 AM EDT Sat May 9 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM EDT THIS
EVENING...
* WHAT...Southwest winds around 10 kt with gusts up to 20 kt.
* WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD,
Chesapeake Bay north of Pooles Island MD, Patapsco River
including Baltimore Harbor, Chester River to Queenstown MD,
and Patuxent River to Broomes Island MD.
* WHEN...Until 6 PM EDT this evening.
* IMPACTS...Conditions will be hazardous to small craft.
* ADDITIONAL DETAILS...Gusts may be more occasional at times.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
904 AM EDT Sat May 9 2026
ANZ531>534-537-540-541-543-092115-
/O.CON.KLWX.SC.Y.0081.000000T0000Z-260509T2200Z/
Chesapeake Bay from Pooles Island to Sandy Point MD-
Chesapeake Bay from Sandy Point to North Beach MD-
Chesapeake Bay from North Beach to Drum Point MD-
Chesapeake Bay from Drum Point MD to Smith Point VA-
Tidal Potomac from Cobb Island MD to Smith Point VA-Eastern Bay-
Choptank River to Cambridge MD and the Little Choptank River-
Tangier Sound and the inland waters surrounding Bloodsworth
Island-
904 AM EDT Sat May 9 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM EDT THIS
EVENING...
* WHAT...South winds 10 to 15 kt with gusts up to 20 kt.
* WHERE...Chesapeake Bay from Pooles Island MD to Smith Point
VA, Tidal Potomac from Cobb Island MD to Smith Point VA,
Eastern Bay, Choptank River to Cambridge MD and the Little
Choptank River, and Tangier Sound and the inland waters
surrounding Bloodsworth Island.
* WHEN...Until 6 PM EDT this evening.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Mount Holly NJ
512 AM EDT Sat May 9 2026
MDZ012-015-019-020-100915-
Kent MD-Queen Annes-Talbot-Caroline-
512 AM EDT Sat May 9 2026
This Hazardous Weather Outlook is for portions of northeast
Maryland.
.DAY ONE...Today and Tonight
There is a low probability for severe thunderstorms this afternoon
into this evening.
.DAYS TWO THROUGH SEVEN...Sunday through Friday
Hazardous weather is not expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service Baltimore MD/Washington DC
504 AM EDT Sat May 9 2026
ANZ530>543-DCZ001-MDZ008-011-013-014-016>018-504-506-508-
VAZ053>057-527-100915-
Chesapeake Bay north of Pooles Island MD-
Chesapeake Bay from Pooles Island to Sandy Point MD-
Chesapeake Bay from Sandy Point to North Beach MD-
Chesapeake Bay from North Beach to Drum Point MD-
Chesapeake Bay from Drum Point MD to Smith Point VA-
Tidal Potomac from Key Bridge to Indian Head MD-
Tidal Potomac from Indian Head to Cobb Island MD-
Tidal Potomac from Cobb Island MD to Smith Point VA-
Patapsco River including Baltimore Harbor-
Chester River to Queenstown MD-Eastern Bay-
Choptank River to Cambridge MD and the Little Choptank River-
Patuxent River to Broomes Island MD-
Tangier Sound and the inland waters surrounding Bloodsworth
Island-District of Columbia-Cecil-Southern Baltimore-
Prince Georges-Anne Arundel-Charles-St. Marys-Calvert-
Central and Southeast Montgomery-Central and Southeast Howard-
Southeast Harford-Fairfax-Arlington/Falls Church/Alexandria-
Stafford-Spotsylvania-King George-
Central and Southeast Prince William/Manassas/Manassas Park-
504 AM EDT Sat May 9 2026
This Hazardous Weather Outlook is for the Maryland portion of the
Chesapeake Bay, Tidal Potomac River, and I-95 corridor through
central Maryland, northern Virginia, and District of Columbia.
.DAY ONE...Today and Tonight
A few thunderstorms may produce strong wind gusts on the tidal
waters this afternoon and early evening.
.DAYS TWO THROUGH SEVEN...Sunday through Friday
No hazardous weather is expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
