Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Mount Holly NJ
212 PM EDT Tue Apr 21 2026
ANZ430-431-220830-
/O.CON.KPHI.SC.Y.0045.260422T0600Z-260422T1200Z/
Delaware Bay waters north of East Point NJ to Slaughter Beach DE-
Delaware Bay waters south of East Point NJ to Slaughter Beach DE-
212 PM EDT Tue Apr 21 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM EDT
WEDNESDAY...
* WHAT...South winds 15 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 and Delaware Bay waters south of East Point
NJ to Slaughter Beach DE.
* WHEN...From 2 AM to 8 AM EDT Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Mount Holly NJ
212 PM EDT Tue Apr 21 2026
ANZ453>455-220830-
/O.CON.KPHI.SC.Y.0045.260422T0600Z-260422T1500Z/
Coastal waters from Great Egg Inlet to Cape May NJ out 20 NM-
Coastal waters from Cape May NJ to Cape Henlopen DE out 20 NM-
Coastal waters from Cape Henlopen to Fenwick Island DE out 20 NM-
212 PM EDT Tue Apr 21 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 AM TO 11 AM EDT
WEDNESDAY...
* WHAT...South winds 15 to 20 kt with gusts up to 30 kt and seas
3 to 5 ft expected.
* WHERE...Coastal waters from Great Egg Inlet to Cape May NJ out
20 NM, Coastal waters from Cape May NJ to Cape Henlopen DE out
20 NM and Coastal waters from Cape Henlopen to Fenwick Island
DE out 20 NM.
* WHEN...From 2 AM to 11 AM EDT Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
DeSilva
URGENT - MARINE WEATHER MESSAGE
National Weather Service Mount Holly NJ
212 PM EDT Tue Apr 21 2026
ANZ450>452-220830-
/O.EXT.KPHI.SC.Y.0045.260422T0600Z-260422T1700Z/
Coastal waters from Sandy Hook to Manasquan Inlet NJ out 20 NM-
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-
212 PM EDT Tue Apr 21 2026
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 2 AM TO 1 PM EDT
WEDNESDAY...
* WHAT...South winds 15 to 20 kt with gusts up to 30 kt and seas
3 to 5 ft expected.
* WHERE...Coastal waters from Sandy Hook to Manasquan Inlet NJ
out 20 NM, Coastal waters from Manasquan Inlet to Little Egg
Inlet NJ out 20 NM and Coastal waters from Little Egg Inlet to
Great Egg Inlet NJ out 20 NM.
* WHEN...From 2 AM to 1 PM EDT Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service New York NY
220 PM EDT Tue Apr 21 2026
ANZ345-353-220730-
/O.CON.KOKX.SC.Y.0049.260422T1000Z-260422T2200Z/
South Shore Bays from Jones Inlet through Shinnecock Bay-
Fire Island Inlet NY to Moriches Inlet NY out 20 NM-
220 PM EDT Tue Apr 21 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 AM TO 6 PM EDT
WEDNESDAY...
* WHAT...South winds 10 to 20 kt with gusts up to 25 kt and seas
3 to 5 feet expected.
* WHERE...The Long Island south shore bays, and Fire Island
Inlet NY to Moriches Inlet NY out 20 NM.
* WHEN...From 6 AM to 6 PM EDT Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
For more details, see the Coastal Waters Forecast from
National Weather Service New York NY, or visit
https://www.weather.gov/okx/marine
URGENT - MARINE WEATHER MESSAGE
National Weather Service New York NY
220 PM EDT Tue Apr 21 2026
ANZ355-220730-
/O.CON.KOKX.SC.Y.0049.260422T0600Z-260422T2200Z/
Sandy Hook NJ to Fire Island Inlet NY out 20 NM-
220 PM EDT Tue Apr 21 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 AM TO 6 PM EDT
WEDNESDAY...
* WHAT...South winds 10 to 20 kt with gusts up to 25 kt and seas
2 to 4 feet expected.
* WHERE...Sandy Hook NJ to Fire Island Inlet NY out 20 NM.
* WHEN...From 2 AM to 6 PM EDT Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
149 PM EDT Tue Apr 21 2026
ANZ532>534-537-540>543-220200-
/O.EXT.KLWX.SC.Y.0071.260421T2200Z-260422T1600Z/
Chesapeake Bay from Sandy Point to North Beach MD-
Chesapeake Bay from North Beach to Drum Point MD-
Chesapeake Bay from Drum Point MD to Smith Point VA-
Tidal Potomac from Cobb Island MD to Smith Point VA-Eastern Bay-
Choptank River to Cambridge MD and the Little Choptank River-
Patuxent River to Broomes Island MD-
Tangier Sound and the inland waters surrounding Bloodsworth
Island-
149 PM EDT Tue Apr 21 2026
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 6 PM THIS EVENING TO
NOON EDT WEDNESDAY...
* WHAT...South winds 10 to 20 kt with gusts up to 25 kt, except 15
to 25 kt with gusts up to 30 kt over the main channel of the
Chesapeake Bay between Pooles Island and Drum Point MD.
* WHERE...Chesapeake Bay from Sandy Point MD to Smith Point VA,
Tidal Potomac from Cobb Island MD to Smith Point VA, Eastern
Bay, Choptank River to Cambridge MD and the Little Choptank
River, Patuxent River to Broomes Island MD, and Tangier Sound
and the inland waters surrounding Bloodsworth Island.
* WHEN...From 6 PM this evening to noon EDT Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
DHOF
URGENT - MARINE WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
149 PM EDT Tue Apr 21 2026
ANZ531-539-220200-
/O.EXB.KLWX.SC.Y.0071.260421T2200Z-260422T1600Z/
Chesapeake Bay from Pooles Island to Sandy Point MD-
Chester River to Queenstown MD-
149 PM EDT Tue Apr 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO NOON
EDT WEDNESDAY...
* WHAT...South winds 10 to 20 kt with gusts up to 25 kt, except 15
to 25 kt with gusts up to 30 kt over the main channel of the
Chesapeake Bay between Pooles Island and Drum Point MD.
* WHERE...Chesapeake Bay from Pooles Island to Sandy Point MD,
and Chester River to Queenstown MD.
* WHEN...From 6 PM this evening to noon EDT Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
149 PM EDT Tue Apr 21 2026
ANZ530-535-536-538-220200-
/O.EXB.KLWX.SC.Y.0071.260421T2200Z-260422T1200Z/
Chesapeake Bay north of Pooles Island MD-
Tidal Potomac from Key Bridge to Indian Head MD-
Tidal Potomac from Indian Head to Cobb Island MD-
Patapsco River including Baltimore Harbor-
149 PM EDT Tue Apr 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 8 AM
EDT WEDNESDAY...
* WHAT...South winds around 10 kt with gusts up to 20 kt, except
15 kt with gusts up to 25 kt over the tidal Potomac River
between Baber Point VA and Cobb Island MD and near the mouth of
the tidal Patapsco River.
* WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD,
Chesapeake Bay north of Pooles Island MD, and Patapsco River
including Baltimore Harbor.
* WHEN...From 6 PM this evening to 8 AM EDT Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Wakefield VA
1204 PM EDT Tue Apr 21 2026
ANZ650-652-220015-
/O.CON.KAKQ.SC.Y.0051.260422T0500Z-260422T1700Z/
Coastal waters from Fenwick Island DE to Chincoteague VA out
20 NM-
Coastal waters from Chincoteague to Parramore Island VA out 20 NM-
1204 PM EDT Tue Apr 21 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 AM TO 1 PM EDT
WEDNESDAY...
* WHAT...South winds 15 to 25 kt and seas 3 to 5 ft expected.
* 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...From 1 AM to 1 PM EDT Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
