Coastal Flood Advisory
Coastal Hazard Message
National Weather Service Mount Holly NJ
Issued by National Weather Service New York NY
404 PM EDT Wed May 14 2025
NJZ017>019-PAZ070-071-106-151100-
/O.CON.KPHI.CF.Y.0005.250515T0600Z-250515T1100Z/
Gloucester-Camden-Northwestern Burlington-Delaware-Philadelphia-
Lower Bucks-
404 PM EDT Wed May 14 2025
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 2 AM TO 7 AM EDT
THURSDAY...
* WHAT...Up to one half 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 2 AM to 7 AM EDT Thursday.
* 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 Thursday night and Friday night as
well, especially along the upper reaches of the tidal Delaware
River.
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
-------- --------- --------- --------- --------
14/04 PM 7.2 0.5 1.3 NONE
15/04 AM 8.3 1.6 1.2 MINOR
15/05 PM 6.7 0.0 0.9 NONE
16/05 AM 7.9 1.2 0.8 NONE
16/05 PM 6.6 -0.1 0.8 NONE
17/05 AM 8.0 1.3 0.9 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
-------- --------- --------- --------- --------
14/05 PM 8.7 1.0 1.7 NONE
15/04 AM 9.7 2.0 1.4 MINOR
15/05 PM 8.3 0.6 1.5 NONE
16/05 AM 9.8 2.1 1.3 MINOR
16/06 PM 8.2 0.5 1.4 NONE
17/06 AM 9.8 2.1 1.4 MINOR
&&
$$
Staarmann