weather.gov     
National Weather Service

Watches, Warnings & Advisories
NWS Homepage

Small Craft Advisory


URGENT - MARINE WEATHER MESSAGE
National Weather Service Mount Holly NJ
228 PM EDT Thu May 21 2026

ANZ430-220900-
/O.CON.KPHI.SC.Y.0054.260522T1000Z-260523T1000Z/
Delaware Bay waters north of East Point NJ to Slaughter Beach DE-
228 PM EDT Thu May 21 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 AM FRIDAY TO
6 AM EDT SATURDAY...

* WHAT...Northeast to east winds 10 to 20 kt with gusts up to 25
  kt and choppy waters expected.

* WHERE...Delaware Bay waters north of East Point NJ to
  Slaughter Beach DE.

* WHEN...From 6 AM Friday to 6 AM EDT Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Mount Holly NJ
228 PM EDT Thu May 21 2026

ANZ431-220900-
/O.CAN.KPHI.SC.Y.0054.000000T0000Z-260523T1000Z/
/O.NEW.KPHI.SC.Y.0055.260522T0000Z-260523T1000Z/
Delaware Bay waters south of East Point NJ to Slaughter Beach DE-
228 PM EDT Thu May 21 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 6 AM
EDT SATURDAY...

* WHAT...Northeast to east winds 15 to 20 kt with gusts up to 30
  kt and choppy waters expected.

* WHERE...Delaware Bay waters south of East Point NJ to
  Slaughter Beach DE.

* WHEN...From 8 PM this evening to 6 AM EDT Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Mount Holly NJ
228 PM EDT Thu May 21 2026

ANZ451>455-220900-
/O.CAN.KPHI.SC.Y.0054.000000T0000Z-260523T1000Z/
/O.NEW.KPHI.SC.Y.0055.260522T0000Z-260523T1000Z/
Coastal waters from Manasquan Inlet to Little Egg Inlet NJ out
20 NM-
Coastal waters from Little Egg Inlet to Great Egg Inlet NJ out
20 NM-
Coastal waters from Great Egg Inlet to Cape May NJ out 20 NM-
Coastal waters from Cape May NJ to Cape Henlopen DE out 20 NM-
Coastal waters from Cape Henlopen to Fenwick Island DE out 20 NM-
228 PM EDT Thu May 21 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 6 AM
EDT SATURDAY...

* WHAT...Northeast to east winds 15 to 25 kt with gusts up to 30
  kt and seas 4 to 7 ft expected.

* WHERE...Coastal waters from Manasquan Inlet NJ to Fenwick
  Island DE out 20 NM.

* WHEN...From 8 PM this evening to 6 AM EDT Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Wakefield VA
204 PM EDT Thu May 21 2026

ANZ650-652-220815-
/O.EXT.KAKQ.SC.Y.0066.000000T0000Z-260523T2300Z/
Coastal waters from Fenwick Island DE to Chincoteague VA out
20 NM-
Coastal waters from Chincoteague to Parramore Island VA out 20 NM-
204 PM EDT Thu May 21 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 PM EDT SATURDAY...

* WHAT...Northeast winds 15 to 20 kt with gusts up to 30 kt and
  seas 5 to 7 ft.

* WHERE...Coastal waters from Fenwick Island DE to Chincoteague
  VA out 20 NM and Coastal waters from Chincoteague to Parramore
  Island VA out 20 NM.

* WHEN...Until 7 PM EDT Saturday.

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

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
1004 AM EDT Thu May 21 2026

ANZ530>533-538>542-212200-
/O.CON.KLWX.SC.Y.0089.000000T0000Z-260521T2200Z/
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-
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-
1004 AM EDT Thu May 21 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM EDT THIS
EVENING...

* WHAT...Northeast winds 10 to 15 kt with gusts up to 25 kt.

* WHERE...Chesapeake Bay and adjoining estuaries north of Drum
  Point MD.

* 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.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
1004 AM EDT Thu May 21 2026

ANZ534-537-543-212215-
/O.CON.KLWX.SC.Y.0089.000000T0000Z-260522T1000Z/
Chesapeake Bay from Drum Point MD to Smith Point VA-
Tidal Potomac from Cobb Island MD to Smith Point VA-
Tangier Sound and the inland waters surrounding Bloodsworth
Island-
1004 AM EDT Thu May 21 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM EDT FRIDAY...

* WHAT...Northeast winds 10 to 20 kt with gusts up to 25 kt.

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

* WHEN...Until 6 AM EDT Friday.

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

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
1004 AM EDT Thu May 21 2026

ANZ535-536-212200-
/O.EXA.KLWX.SC.Y.0089.000000T0000Z-260521T2200Z/
Tidal Potomac from Key Bridge to Indian Head MD-
Tidal Potomac from Indian Head to Cobb Island MD-
1004 AM EDT Thu May 21 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING...

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

* WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD.

* 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.

&&

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE