Marine Weather Message
Issued by NWS Sterling, VA

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164
WHUS71 KLWX 070718
MWWLWX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
218 AM EST Sun Dec 7 2025

ANZ535-071400-
/O.EXA.KLWX.MF.Y.0002.000000T0000Z-251207T1400Z/
Tidal Potomac from Key Bridge to Indian Head MD-
218 AM EST Sun Dec 7 2025

...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM EST THIS MORNING...

* WHAT...Dense fog will reduce visibility to 1/4 NM or less.

* WHERE...Tidal Potomac from Key Bridge to Indian Head MD.

* WHEN...Until 9 AM EST this morning.

* IMPACTS...Low visibility will make navigation difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and compass.

&&

$$

ANZ534-536-537-542-543-071400-
/O.CON.KLWX.MF.Y.0002.000000T0000Z-251207T1400Z/
Chesapeake Bay from Drum Point MD to Smith Point VA-
Tidal Potomac from Indian Head to Cobb Island MD-
Tidal Potomac from Cobb Island MD to Smith Point VA-
Patuxent River to Broomes Island MD-
Tangier Sound and the inland waters surrounding Bloodsworth
Island-
218 AM EST Sun Dec 7 2025

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM EST THIS
MORNING...

* WHAT...Dense fog will reduce visibility to 1/4 NM or less.

* WHERE...Tidal Potomac River from Indian Head MD to Smith Point
  VA, Chesapeake Bay from Drum Point MD to Smith Point VA,
  Patuxent River to Broomes Island MD, and Tangier Sound and the
  inland waters surrounding Bloodsworth Island.

* WHEN...Until 9 AM EST this morning.

* IMPACTS...Low visibility will make navigation difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and compass.

&&

$$