weather.gov     
National Weather Service

Watches, Warnings & Advisories
NWS Homepage

Dense Fog Advisory


URGENT - MARINE WEATHER MESSAGE
National Weather Service New York NY
331 PM EDT Wed Jun 18 2025

ANZ331-332-340-345-191200-
/O.EXT.KOKX.MF.Y.0019.250618T1931Z-250619T1200Z/
Long Island Sound East of New Haven CT/Port Jefferson NY to the
Mouth of the Connecticut River-
Long Island Sound East of the Mouth of the Connecticut River-
Peconic and Gardiners Bays-
South Shore Bays from Jones Inlet through Shinnecock Bay-
331 PM EDT Wed Jun 18 2025

...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 8 AM EDT THURSDAY...

* WHAT...Dense fog will reduce visibility to 1 NM or less.

* WHERE...Long Island Sound east of Port Jefferson and New
  Haven, Peconic and Gardiners Bays, and South Shore Bays from
  Jones Inlet through Shinnecock Bay.

* WHEN...Until 8 AM EDT Thursday.

* IMPACTS...Low visibility will make navigation difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service New York NY
331 PM EDT Wed Jun 18 2025

ANZ335-191200-
/O.CON.KOKX.MF.Y.0019.250618T2200Z-250619T1200Z/
Long Island Sound West of New Haven CT/Port Jefferson NY-
331 PM EDT Wed Jun 18 2025

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THURSDAY...

* WHAT...Dense fog will reduce visibility to 1 NM or less.

* WHERE...Long Island Sound west of Port Jefferson and New Haven.

* WHEN...Until 8 AM EDT Thursday.

* IMPACTS...Low visibility will make navigation difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

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
331 PM EDT Wed Jun 18 2025

ANZ350-353-191200-
/O.CON.KOKX.MF.Y.0018.000000T0000Z-250619T1200Z/
Moriches Inlet NY to Montauk Point NY out 20 nm-
Fire Island Inlet NY to Moriches Inlet NY out 20 nm-
331 PM EDT Wed Jun 18 2025

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THURSDAY...

* WHAT...Dense fog will reduce visibility to 1 NM or less.

* WHERE...Fire Island Inlet NY to Montauk Point NY out 20 nm.

* WHEN...Until 8 AM EDT Thursday.

* IMPACTS...Low visibility will make navigation difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

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