weather.gov     
National Weather Service

Watches, Warnings & Advisories
NWS Homepage

Coastal Flood Advisory


Coastal Hazard Message
National Weather Service Mount Holly NJ
500 AM EDT Tue May 13 2025

NJZ017>019-PAZ070-071-106-132200-
/O.CON.KPHI.CF.Y.0004.250514T0500Z-250514T1000Z/
Gloucester-Camden-Northwestern Burlington-Delaware-Philadelphia-
Lower Bucks-
500 AM EDT Tue May 13 2025

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 1 AM TO 6 AM EDT
WEDNESDAY...

* WHAT...Up to one foot of inundation above ground level
  expected in low-lying areas near shorelines and tidal
  waterways.

* WHERE...In New Jersey, Gloucester, Camden and Northwestern
  Burlington. In Pennsylvania, Delaware, Philadelphia and Lower
  Bucks.

* WHEN...From 1 AM to 6 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...Minor coastal flooding is forecast with
  the overnight high tides Wednesday night and Thursday night as
  well.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If travel is required, allow extra time as some roads may be
closed. Do not drive around barricades or through water of
unknown depth. Take the necessary actions to protect flood-prone
property.

&&

Time of high total tides are approximate to the nearest hour.

Delaware River at Philadelphia
MLLW Categories - Minor 8.2 ft, Moderate 9.2 ft, Major 10.2 ft
MHHW Categories - Minor 1.5 ft, Moderate 2.5 ft, Major 3.5 ft

             Total      Total    Departure
 Day/Time    Tide       Tide     from Norm   Flood
            ft MLLW    ft MHHW       ft      Impact
 --------  ---------  ---------  ---------  --------
 13/03 PM     6.6       -0.1        0.6       None
 14/03 AM     8.6        1.9        1.5      Minor
 14/04 PM     7.1        0.4        1.2       None
 15/04 AM     8.2        1.5        1.1      Minor
 15/05 PM     6.8        0.1        1.0       None

Delaware River at Burlington
MLLW Categories - Minor 9.3 ft, Moderate 10.3 ft, Major 11.3 ft
MHHW Categories - Minor 1.6 ft, Moderate 2.6 ft, Major 3.6 ft

             Total      Total    Departure
 Day/Time    Tide       Tide     from Norm   Flood
            ft MLLW    ft MHHW       ft      Impact
 --------  ---------  ---------  ---------  --------
 13/04 PM     8.2        0.5        1.1       None
 14/04 AM    10.0        2.3        1.6      Minor
 14/05 PM     8.8        1.1        1.8       None
 15/05 AM     9.9        2.2        1.5      Minor
 15/05 PM     8.4        0.7        1.6       None

&&

$$

AKL

Coastal Hazard Message
National Weather Service Mount Holly NJ
500 AM EDT Tue May 13 2025

DEZ001-NJZ016-132200-
/O.CON.KPHI.CF.Y.0004.250514T0200Z-250514T0600Z/
New Castle-Salem-
500 AM EDT Tue May 13 2025

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 10 PM THIS
EVENING TO 2 AM EDT WEDNESDAY...

* WHAT...Up to one 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 10 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.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If travel is required, allow extra time as some roads may be
closed. Do not drive around barricades or through water of
unknown depth. Take the necessary actions to protect flood-prone
property.

&&

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
 --------  ---------  ---------  ---------  --------
 13/01 PM     5.7       -0.1        0.8       None
 14/01 AM     7.7        1.9        1.8      Minor
 14/01 PM     6.3        0.5        1.4       None
 15/01 AM     7.0        1.2        1.1       None
 15/02 PM     5.9        0.1        1.1       None
 16/02 AM     6.9        1.1        1.0       None

&&

$$

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