Port Update
Philadelphia / Delaware River & Bay
July 31, 2025
Notices
Moran Shipping Agencies at Port Philadelphia & Wilmington, DE.
Port Security - MARSEC Level 1
Local Time – GMT -5
Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Mount Holly NJ
224 AM EDT Thu Jul 31 2025
ANZ454-455-312000-
/O.NEW.KPHI.SC.Y.0078.250801T1000Z-250802T2200Z/
Coastal waters from Cape May NJ to Cape Henlopen DE out 20 nm-
Coastal waters from Cape Henlopen to Fenwick Island DE out 20 nm-
224 AM EDT Thu Jul 31 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM FRIDAY TO 6 PM EDT
SATURDAY...
* WHAT...Northeast winds 15 to 25 kt with gusts up to 30 kt and
seas 4 to 7 ft expected.
* WHERE...Coastal waters from Cape May NJ to Cape Henlopen DE
out 20 nm and Coastal waters from Cape Henlopen to Fenwick
Island DE out 20 nm.
* WHEN...From 6 AM Friday to 6 PM EDT Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
* ADDITIONAL DETAILS...Gale force wind gusts near 35 kt will be
possible on Friday.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
Weather / Marine Zone Forecast
Marine Weather
ANZ400-312100-
401 AM EDT Thu Jul 31 2025
.SYNOPSIS FOR THE COASTAL WATERS FROM SANDY HOOK NJ TO FENWICK
ISLAND DE AND FOR DELAWARE BAY...
With high pressure located offshore, a slow moving cold front
will push through the region beginning through tonight, bringing
widespread showers and storms and a considerable threat of
flash flooding across the region. Front front will push south of
the area Friday as low pressure slides offshore. High pressure
will then build from the north into the weekend, with below
normal temperatures, much drier and pleasant conditions expected
into early next week.
ANZ454-312100-Coastal waters from Cape May NJ to Cape Henlopen DE out 20 nm-
401 AM EDT Thu Jul 31 2025
SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH
SATURDAY AFTERNOON
TODAY
S winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft. Wave Detail: S 2 ft at 3 seconds and SE 1 foot at
8 seconds. A slight chance of showers and tstms early this
afternoon. A chance of showers and tstms late.
TONIGHT
S winds 10 to 15 kt with gusts up to 20 kt, becoming
NE after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft at
4 seconds and SE 1 foot at 9 seconds. A chance of tstms. A chance
of showers in the evening, then showers after midnight. Vsby 1 to
3 NM.
FRI
N winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Seas 2 to 4 ft. Wave Detail: E 4 ft at 9 seconds and
SE 3 ft at 5 seconds. A chance of tstms in the morning. A chance
of showers. Vsby 1 to 3 NM.
FRI NIGHT
NE winds 20 to 25 kt with gusts up to 30 kt. Seas
5 to 7 ft. Wave Detail: NE 6 ft at 8 seconds. A chance of showers
in the evening.
SAT
NE winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to
7 ft. Wave Detail: NE 6 ft at 8 seconds.
SAT NIGHT
NE winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Seas 4 to 6 ft. Wave Detail: E 5 ft at 7 seconds.
SUN
NE winds 10 to 15 kt. Seas 3 to 4 ft.
SUN NIGHT
E winds 10 to 15 kt. Seas 3 to 4 ft.
MON
NE winds 10 to 15 kt. Seas 3 to 4 ft.
MON NIGHT
E winds 10 to 15 kt. Seas 3 to 4 ft.
Winds and seas higher in and near tstms.
Airport Code – Port Philadelphia, PA (PHL)
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