Watches, Warnings & Advisories



2 products issued by NWS for: 19NM NNE Lewes DE

Dense Fog Advisory

URGENT - MARINE WEATHER MESSAGE
National Weather Service Mount Holly NJ
334 PM EDT Sat Apr 18 2026

ANZ431-190845-
/O.EXT.KPHI.MF.Y.0010.000000T0000Z-260419T0500Z/
/O.CON.KPHI.SC.Y.0044.260419T1200Z-260419T2200Z/
Delaware Bay waters south of East Point NJ to Slaughter Beach DE-
334 PM EDT Sat Apr 18 2026

...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 1 AM EDT SUNDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM TO 6 PM EDT
SUNDAY...

* WHAT...For the Dense Fog Advisory, dense fog will reduce
  visibility to 1 nm or less. For the Small Craft Advisory,
  northwest winds 15 to 25 kt with gusts up to 30 kt and rough
  waters expected.

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

* WHEN...For the Dense Fog Advisory, until 1 AM EDT Sunday. For
  the Small Craft Advisory, from 8 AM to 6 PM EDT Sunday.

* IMPACTS...Conditions will be hazardous to small craft. Low
  visibility will make navigation difficult.

* ADDITIONAL DETAILS...There is a small chance for gale
  conditions, particularly at the mouth of the Delaware Bay late
  Sunday Morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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.

&&

$$



Small Craft Advisory

URGENT - MARINE WEATHER MESSAGE
National Weather Service Mount Holly NJ
334 PM EDT Sat Apr 18 2026

ANZ431-190845-
/O.EXT.KPHI.MF.Y.0010.000000T0000Z-260419T0500Z/
/O.CON.KPHI.SC.Y.0044.260419T1200Z-260419T2200Z/
Delaware Bay waters south of East Point NJ to Slaughter Beach DE-
334 PM EDT Sat Apr 18 2026

...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 1 AM EDT SUNDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM TO 6 PM EDT
SUNDAY...

* WHAT...For the Dense Fog Advisory, dense fog will reduce
  visibility to 1 nm or less. For the Small Craft Advisory,
  northwest winds 15 to 25 kt with gusts up to 30 kt and rough
  waters expected.

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

* WHEN...For the Dense Fog Advisory, until 1 AM EDT Sunday. For
  the Small Craft Advisory, from 8 AM to 6 PM EDT Sunday.

* IMPACTS...Conditions will be hazardous to small craft. Low
  visibility will make navigation difficult.

* ADDITIONAL DETAILS...There is a small chance for gale
  conditions, particularly at the mouth of the Delaware Bay late
  Sunday Morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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.

&&

$$