Coastal Flood Advisory
Coastal Hazard Message
National Weather Service Mount Holly NJ
323 AM EDT Tue Aug 11 2026
DEZ001-NJZ016-112200-
/O.NEW.KPHI.CF.Y.0017.260812T0100Z-260812T0600Z/
New Castle-Salem-
323 AM EDT Tue Aug 11 2026
...COASTAL FLOOD ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO
2 AM EDT WEDNESDAY...
* WHAT...Up to one half foot of inundation above ground level
expected in low-lying areas near shorelines and tidal
waterways.
* WHERE...In Delaware, New Castle. In New Jersey, Salem.
* WHEN...From 9 PM this evening to 2 AM EDT Wednesday.
* IMPACTS...At this level, flooding begins on the most
vulnerable roads along tidal waterways. Some partial or full
road closures are possible.
* ADDITIONAL DETAILS...Elevated tides due to the approach of the
New Moon on August 12th may lead to minor coastal flooding
during the evening high tides through the Thursday.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Coastal Flood Advisory means that minor tidal flooding is
expected. Minor tidal flooding often results in some road
closures. Usually, the most vulnerable roadways will flood.
Do not leave your vehicle at a location that is prone to tidal
flooding. Do not drive your vehicle through flood waters. The
water may be deeper than you think it is. You will be putting
yourself in danger and your vehicle may be damaged, leading to
costly repairs.
Visit the National Water Prediction Service at
https://water.noaa.gov/wfo/phi for additional water level and
flood impact information for your local tide gauge.
&&
Time of high total tides are approximate to the nearest hour.
Delaware River at Reedy Point
MLLW Categories - Minor 7.2 ft, Moderate 8.2 ft, Major 9.2 ft
MHHW Categories - Minor 1.4 ft, Moderate 2.4 ft, Major 3.4 ft
Total Total Departure
Day/Time Tide Tide from Norm Flood
ft MLLW ft MHHW ft Impact
-------- --------- --------- --------- --------
11/11 AM 6.3 0.5 0.9 None
11/11 PM 7.5 1.7 0.8 Minor
12/11 AM 6.5 0.7 0.9 None
13/12 AM 8.0 2.2 1.2 Minor
13/01 PM 7.0 1.2 1.2 None
&&
$$
MJL
Coastal Hazard Message
National Weather Service Mount Holly NJ
323 AM EDT Tue Aug 11 2026
DEZ002>004-NJZ021-023-024-112200-
/O.NEW.KPHI.CF.Y.0017.260811T2200Z-260812T0400Z/
Kent-Inland Sussex-Delaware Beaches-Cumberland-Cape May-
Atlantic Coastal Cape May-
323 AM EDT Tue Aug 11 2026
...COASTAL FLOOD ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO
MIDNIGHT EDT TONIGHT...
* WHAT...Up to one half foot of inundation above ground level
expected in low-lying areas near shorelines and tidal
waterways.
* WHERE...In Delaware, Kent, Inland Sussex and Delaware Beaches.
In New Jersey, Cumberland, Cape May and Atlantic Coastal Cape
May.
* WHEN...From 6 PM this evening to midnight EDT tonight.
* IMPACTS...At this level, flooding begins on the most
vulnerable roads in coastal and bayside communities, and along
inland tidal waterways. Some partial or full road closures are
possible.
* ADDITIONAL DETAILS...Elevated tides due to the approach of the
New Moon on August 12th may lead to minor coastal flooding
during the evening high tides through the Thursday.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Coastal Flood Advisory means that minor tidal flooding is
expected. Minor tidal flooding often results in some road
closures. Usually, the most vulnerable roadways will flood.
Do not leave your vehicle at a location that is prone to tidal
flooding. Do not drive your vehicle through flood waters. The
water may be deeper than you think it is. You will be putting
yourself in danger and your vehicle may be damaged, leading to
costly repairs.
Visit the National Water Prediction Service at
https://water.noaa.gov/wfo/phi for additional water level and
flood impact information for your local tide gauge.
&&
Time of high total tides are approximate to the nearest hour.
Murderkill River at Bowers Beach
MLLW Categories - Minor 6.6 ft, Moderate 7.6 ft, Major 8.6 ft
MHHW Categories - Minor 0.9 ft, Moderate 1.9 ft, Major 2.9 ft
Total Total Departure
Day/Time Tide Tide from Norm Flood
ft MLLW ft MHHW ft Impact
-------- --------- --------- --------- --------
11/09 AM 5.7 0.0 0.7 None
11/09 PM 6.9 1.2 0.1 Minor
12/10 AM 5.8 0.1 0.5 None
12/10 PM 6.9 1.2 0.1 Minor
13/10 AM 6.2 0.5 0.6 None
13/11 PM 6.8 1.1 0.2 Minor
Delaware Bay at Lewes
MLLW Categories - Minor 6.0 ft, Moderate 7.0 ft, Major 8.0 ft
MHHW Categories - Minor 1.3 ft, Moderate 2.3 ft, Major 3.3 ft
Total Total Departure
Day/Time Tide Tide from Norm Flood
ft MLLW ft MHHW ft Impact
-------- --------- --------- --------- --------
11/08 AM 4.6 -0.0 0.6 None
11/08 PM 6.3 1.7 0.9 Minor
12/09 AM 4.9 0.2 0.7 None
12/09 PM 6.3 1.7 0.9 Minor
13/10 AM 5.3 0.7 0.8 None
13/10 PM 6.1 1.5 0.8 Minor
Maurice River at Bivalve
MLLW Categories - Minor 7.6 ft, Moderate 8.6 ft, Major 9.6 ft
MHHW Categories - Minor 1.3 ft, Moderate 2.3 ft, Major 3.3 ft
Total Total Departure
Day/Time Tide Tide from Norm Flood
ft MLLW ft MHHW ft Impact
-------- --------- --------- --------- --------
11/08 AM 6.2 -0.1 0.8 None
11/09 PM 7.9 1.6 0.8 Minor
12/09 AM 6.7 0.4 0.9 None
12/10 PM 8.0 1.7 1.0 Minor
13/10 AM 7.0 0.7 1.0 None
13/10 PM 7.8 1.5 1.1 Minor
Great Egg Harbor Bay at Ocean City
MLLW Categories - Minor 5.3 ft, Moderate 6.3 ft, Major 7.3 ft
MHHW Categories - Minor 1.3 ft, Moderate 2.3 ft, Major 3.3 ft
Total Total Departure
Day/Time Tide Tide from Norm Flood
ft MLLW ft MHHW ft Impact
-------- --------- --------- --------- --------
11/07 AM 3.7 -0.3 0.2 None
11/08 PM 5.2 1.2 0.3 None
12/08 AM 4.2 0.2 0.5 None
12/09 PM 5.4 1.4 0.5 Minor
13/09 AM 4.4 0.4 0.5 None
13/10 PM 5.1 1.1 0.3 None
Cape May Harbor at Cape May
MLLW Categories - Minor 6.2 ft, Moderate 7.2 ft, Major 8.2 ft
MHHW Categories - Minor 1.1 ft, Moderate 2.1 ft, Major 3.1 ft
Total Total Departure
Day/Time Tide Tide from Norm Flood
ft MLLW ft MHHW ft Impact
-------- --------- --------- --------- --------
11/07 AM 4.9 -0.2 0.4 None
11/08 PM 6.4 1.3 0.4 Minor
12/08 AM 5.4 0.3 0.6 None
12/09 PM 6.7 1.6 0.7 Minor
13/09 AM 5.7 0.6 0.7 None
13/09 PM 6.5 1.4 0.6 Minor
&&
$$
Coastal Flood Statement
Coastal Hazard Message
National Weather Service New York NY
234 AM EDT Tue Aug 11 2026
CTZ009-NYZ071-120400-
/O.NEW.KOKX.CF.S.0022.260812T0200Z-260812T0400Z/
Southern Fairfield-Southern Westchester-
234 AM EDT Tue Aug 11 2026
...COASTAL FLOOD STATEMENT IN EFFECT THIS EVENING...
* WHAT...Up to one half foot of inundation above ground level
expected in vulnerable areas near the waterfront and shoreline.
* WHERE...In Connecticut, Southern Fairfield County. In New
York, Southern Westchester County.
* WHEN...This evening.
* IMPACTS...Brief minor flooding of the most vulnerable locations near the
waterfront and shoreline
* ADDITIONAL DETAILS...Additional rounds of localized minor
flooding are likely with the Wednesday Night and Thursday Night
high tides. Minor coastal flooding could be a bit more
widespread with the Wednesday night high tide.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Do not drive through flooded roadways.
&&
$$
Be sure to use the MyCoast app to relay photos and reports of
coastal flooding and beach erosion.
For more information from the National Weather Service visit
https://weather.gov/nyc
Coastal Hazard Message
National Weather Service New York NY
234 AM EDT Tue Aug 11 2026
NYZ178-179-120100-
/O.NEW.KOKX.CF.S.0021.260811T2200Z-260812T0100Z/
Southern Queens-Southern Nassau-
234 AM EDT Tue Aug 11 2026
...COASTAL FLOOD STATEMENT IN EFFECT THIS EVENING...
* WHAT...Up to one half foot of inundation above ground level
expected in vulnerable areas near the waterfront and shoreline.
* WHERE...Southern Queens and Southern Nassau Counties.
* WHEN...This evening.
* IMPACTS...Brief minor flooding of the most vulnerable locations near the
waterfront and shoreline.
* ADDITIONAL DETAILS...Additional rounds of localized minor
flooding are likely with the Wednesday Night and Thursday Night
high tides. Minor coastal flooding could be a bit more
widespread with the Wednesday night high tide.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Do not drive through flooded roadways.
&&
$$
Marine Weather Statement
Marine Weather Statement
National Weather Service Baltimore MD/Washington DC
630 AM EDT Tue Aug 11 2026
ANZ532>537-540>543-111230-
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 Key Bridge to Indian Head MD-
Tidal Potomac from Indian Head to Cobb Island MD-
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-
630 AM EDT Tue Aug 11 2026
...Sporadic gusts up to 30 knots possible early this morning...
Brief and sporadic gusts to 30 knots are possible over the open
Chesapeake Bay early this morning on north and northwesterly
winds.
$$
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Mount Holly NJ
507 AM EDT Tue Aug 11 2026
MDZ012-015-019-020-120915-
Kent MD-Queen Annes-Talbot-Caroline-
507 AM EDT Tue Aug 11 2026
This Hazardous Weather Outlook is for northeast Maryland.
.DAY ONE...Today and tonight.
Isolated severe thunderstorms capable of producing damaging wind
gusts and isolated instances of flash flooding are possible Tuesday
afternoon and night.
Marginal Risk for
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
The probability for widespread hazardous weather is low.
.SPOTTER INFORMATION STATEMENT...
Weather spotters are encouraged to report significant weather
conditions according to standard operating procedures.
$$
MJL
Hazardous Weather Outlook
National Weather Service Baltimore MD/Washington DC
501 AM EDT Tue Aug 11 2026
ANZ530>543-DCZ001-MDZ008-011-013-014-016>018-504-506-508-
VAZ053>057-527-120915-
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-
Chesapeake Bay from Drum Point MD to Smith Point VA-
Tidal Potomac from Key Bridge to Indian Head MD-
Tidal Potomac from Indian Head to Cobb Island MD-
Tidal Potomac from Cobb Island MD to Smith Point VA-
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-
Tangier Sound and the inland waters surrounding Bloodsworth
Island-District of Columbia-Cecil-Southern Baltimore-
Prince Georges-Anne Arundel-Charles-St. Marys-Calvert-
Central and Southeast Montgomery-Central and Southeast Howard-
Southeast Harford-Fairfax-Arlington/Falls Church/Alexandria-
Stafford-Spotsylvania-King George-
Central and Southeast Prince William/Manassas/Manassas Park-
501 AM EDT Tue Aug 11 2026
This Hazardous Weather Outlook is for the Maryland portion of the
Chesapeake Bay, Tidal Potomac River, and I-95 corridor through
central Maryland, northern Virginia, and District of Columbia.
.DAY ONE...Today and Tonight
Scattered severe thunderstorms capable of producing damaging
winds and isolated instances of flash flooding are possible
this afternoon and evening.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
No hazardous weather is expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation may be needed this afternoon and evening.
$$
Hazardous Weather Outlook
National Weather Service Baltimore MD/Washington DC
501 AM EDT Tue Aug 11 2026
MDZ003>006-503-505-507-VAZ025>031-036>040-050-051-501-502-505>508-
526-WVZ050>053-055-120915-
Washington-Frederick-Carroll-Northern Baltimore-
Northwest Montgomery-Northwest Howard-Northwest Harford-Augusta-
Rockingham-Shenandoah-Page-Warren-Clarke-Nelson-Albemarle-Greene-
Madison-Rappahannock-Orange-Culpeper-Northern Fauquier-
Southern Fauquier-Western Loudoun-Eastern Loudoun-
Northern Virginia Blue Ridge-Central Virginia Blue Ridge-
Northwest Prince William-Hampshire-Morgan-Berkeley-Jefferson-
Hardy-
501 AM EDT Tue Aug 11 2026
This Hazardous Weather Outlook is for portions of eastern West
Virginia, northern and central Virginia, and central and western
Maryland.
.DAY ONE...Today and Tonight
Scattered severe thunderstorms capable of producing damaging
winds and isolated instances of flash flooding are possible
this afternoon and evening.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
No hazardous weather is expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation may be needed this afternoon and evening.
$$
Hazardous Weather Outlook
National Weather Service Wakefield VA
450 AM EDT Tue Aug 11 2026
MDZ021>025-NCZ012>014-030-102-VAZ048-060>062-064>069-075>090-092-
097>100-509>525-528>531-120900-
Dorchester-Wicomico-Somerset-Inland Worcester-Maryland Beaches-
Northampton-Hertford-Gates-Bertie-Eastern Currituck-Fluvanna-
Prince Edward-Cumberland-Goochland-Caroline-Mecklenburg-Lunenburg-
Nottoway-Amelia-Powhatan-Westmoreland-Richmond-Northumberland-
Lancaster-Brunswick-Dinwiddie-
Prince George (including Hopewell and Petersburg)-Charles City-
New Kent-Gloucester-Middlesex-Mathews-Greensville-Sussex-Surry-
James City-Southampton-Chesapeake-Virginia Beach-Accomack-
Western Louisa-Eastern Louisa-Western Hanover-Eastern Hanover-
Western Chesterfield-Eastern Chesterfield (Including Col. Heights)-
Western Henrico (Including the City of Richmond)-Eastern Henrico-
Western King William-Eastern King William-Western King and Queen-
Eastern King and Queen-Western Essex-Eastern Essex-York-Newport News-
Hampton/Poquoson-Isle of Wight-Suffolk-Norfolk-Portsmouth-
450 AM EDT Tue Aug 11 2026
This Hazardous Weather Outlook is for southeast Maryland, northeast
North Carolina, central Virginia, east central Virginia, eastern
Virginia, north central Virginia, south central Virginia and
southeast Virginia.
.DAY ONE...Today and tonight.
Isolated to scattered thunderstorms are expected later this afternoon
through this evening. Damaging wind gusts and localized flash
flooding will be possible in the strongest storms.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
No hazardous weather is expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation may be needed.
$$
Hazardous Weather Outlook
National Weather Service State College PA
338 AM EDT Tue Aug 11 2026
PAZ004>006-010>012-037-041-042-045-046-049>053-058-120745-
Warren-McKean-Potter-Elk-Cameron-Northern Clinton-Tioga-
Northern Lycoming-Sullivan-Southern Clinton-Southern Lycoming-Union-
Snyder-Montour-Northumberland-Columbia-Schuylkill-
338 AM EDT Tue Aug 11 2026
This Hazardous Weather Outlook is for central Pennsylvania.
.DAY ONE...Today and tonight.
Thunderstorms, some with locally heavy rainfall of over one inch are
possible today.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Another few rounds of thunderstorms with locally heavy rain are possible
early Wednesday.
.SPOTTER INFORMATION STATEMENT...
Spotters are encouraged to report significant hazardous weather.
$$
Hazardous Weather Outlook
National Weather Service State College PA
338 AM EDT Tue Aug 11 2026
PAZ017>019-024>028-034>036-056-057-059-063>066-120745-
Clearfield-Northern Centre-Southern Centre-Cambria-Blair-Huntingdon-
Mifflin-Juniata-Bedford-Fulton-Franklin-Perry-Dauphin-Lebanon-
Cumberland-Adams-York-Lancaster-
338 AM EDT Tue Aug 11 2026
This Hazardous Weather Outlook is for central Pennsylvania.
.DAY ONE...Today and tonight.
Thunderstorms with strong to severe wind gusts and locally heavy
rain are possible today.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Heavy rain is also possible on Wednesday from another round or two of
thunderstorms early in the morning.
.SPOTTER INFORMATION STATEMENT...
Spotters are encouraged to report significant hazardous weather.
$$
Hazardous Weather Outlook
National Weather Service Binghamton NY
101 AM EDT Tue Aug 11 2026
PAZ038>040-043-044-047-048-072-120515-
Bradford-Susquehanna-Northern Wayne-Wyoming-Lackawanna-Luzerne-Pike-
Southern Wayne-
101 AM EDT Tue Aug 11 2026
This Hazardous Weather Outlook is for northeast Pennsylvania.
.DAY ONE...Today and tonight.
Isolated thunderstorms will develop this afternoon and may have
localized strong gusts.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
There is a low probability for widespread hazardous weather.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
