Special Marine Warning
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
305
WHUS51 KLWX 201547
SMWLWX
ANZ536-537-201745-
/O.NEW.KLWX.MA.W.0050.260420T1547Z-260420T1745Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service Baltimore MD/Washington DC
1147 AM EDT Mon Apr 20 2026

The National Weather Service in Sterling Virginia has issued a

* Special Marine Warning for...
  Tidal Potomac from Cobb Island MD to Smith Point VA...
  Tidal Potomac from Indian Head to Cobb Island MD...

* Until 145 PM EDT.

* At 1147 AM EDT, gust fronts were located along a line extending
  from 8 nm northeast of Port Tobacco River to Nanjemoy Creek to
  Fairview Beach, moving southeast at 25 knots.

  HAZARD...Wind gusts 34 knots or greater.

  SOURCE...Radar indicated.

  IMPACT...Boaters in small craft could be thrown overboard by
           suddenly higher winds and waves capsizing their vessel.

* Locations impacted include...
  Yeocomico River, Breton Bay, Nanjemoy Creek, Swan Point, Coltons
  Point, Coles Point, Saint George Island, Popes Creek, Saint
  Clements Bay, Piney Point, Mouth Of The Potomac River, Maryland
  Point, Port Tobacco River, Colonial Beach, Cobb Island, Point
  Lookout, Tall Timbers, Nomini Bay, Mathias Point, and U.S. 301 Nice
  Memorial Bridge.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to safe harbor immediately as gusty winds and high waves are
expected.

&&

LAT...LON 3852 7731 3853 7721 3851 7724 3839 7723
      3846 7701 3835 7696 3827 7684 3823 7658
      3814 7651 3807 7633 3791 7627 3803 7651
      3815 7661 3816 7684 3821 7694 3838 7706
      3833 7717 3833 7729
TIME...MOT...LOC 1547Z 297DEG 26KT 3851 7688 3839 7708 3831 7726

HAIL...0.00IN
WIND...>34KTS

$$

DHOF