Marine Weather Message
Issued by NWS Sterling, VA

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
618
WHUS71 KLWX 110851
MWWLWX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
351 AM EST Tue Nov 11 2025

ANZ536-111700-
/O.CAN.KLWX.SC.Y.0160.000000T0000Z-251111T1100Z/
/O.EXT.KLWX.GL.W.0024.251111T0851Z-251111T2300Z/
Tidal Potomac from Indian Head to Cobb Island MD-
351 AM EST Tue Nov 11 2025

...GALE WARNING NOW IN EFFECT UNTIL 6 PM EST THIS EVENING...
...SMALL CRAFT ADVISORY IS CANCELLED...

* WHAT...West winds 15 to 20 kt with gusts up to 35 kt.

* WHERE...Tidal Potomac from Indian Head to Cobb Island MD.

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

* 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.

&&

$$

ANZ535-111700-
/O.CON.KLWX.SC.Y.0160.000000T0000Z-251111T1100Z/
/O.CON.KLWX.GL.W.0024.251111T1100Z-251111T2300Z/
Tidal Potomac from Key Bridge to Indian Head MD-
351 AM EST Tue Nov 11 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST EARLY
THIS MORNING...
...GALE WARNING REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING...

* WHAT...For the Small Craft Advisory, west winds 10 to 15 kt
  with gusts up to 25 kt. For the Gale Warning, west winds 10 to
  20 kt with gusts up to 35 kt expected.

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

* WHEN...For the Small Craft Advisory, until 6 AM EST early this
  morning. For the Gale Warning, until 6 PM EST this evening.

* 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.

&&

$$

ANZ530>534-537>543-111700-
/O.CON.KLWX.GL.W.0024.000000T0000Z-251111T2300Z/
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 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-
351 AM EST Tue Nov 11 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING...

* WHAT...West winds 15 to 25 kt with gusts up to 35 kt and waves
  2 to 4 ft.

* WHERE...Chesapeake Bay and adjoining estuaries north of Smith
  Point VA, and Tidal Potomac from Cobb Island MD to Smith Point
  VA.

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

* 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.

&&

$$