Port Update
Philadelphia, PA / Delaware River & Bay
September 16, 2025
Notices
Moran Shipping Agencies at Port Philadelphia & Wilmington, DE & Baltimore, MD
Port Security - MARSEC Level 1
Local Time – GMT - 4
Gale Warning
URGENT - MARINE WEATHER MESSAGE
National Weather Service Mount Holly NJ
606 AM EDT Tue Sep 16 2025
ANZ453>455-170000-
/O.EXP.KPHI.SC.Y.0087.000000T0000Z-250916T1000Z/
/O.CON.KPHI.GL.W.0022.000000T0000Z-250917T0200Z/
Coastal waters from Great Egg Inlet to Cape May NJ out 20 nm-
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-
606 AM EDT Tue Sep 16 2025
...GALE WARNING REMAINS IN EFFECT UNTIL 10 PM EDT THIS EVENING...
...SMALL CRAFT ADVISORY HAS EXPIRED...
* WHAT...Northeast winds 20 to 30 kt with gusts up to 40 kt and
seas 7 to 10 ft.
* WHERE...Coastal waters from Great Egg Inlet to Cape May NJ out
20 nm, 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...Until 10 PM EDT this evening.
* IMPACTS...Strong winds will cause hazardous seas which could
capsize or damage vessels and reduce visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.
Weather / Marine Zone Forecast
Marine Weather
ANZ400-162100-
401 AM EDT Tue Sep 16 2025
.SYNOPSIS FOR THE COASTAL WATERS FROM SANDY HOOK NJ TO FENWICK
ISLAND DE AND FOR DELAWARE BAY...
A coastal low initially located off of the Carolinas will track
northward towards the area through mid-week. Wednesday into
Thursday, the low is expected to weaken substantially as it makes
its closest approach. A cold front moves through Friday, with high
pressure building southeastward into the region through the weekend
and dominating our weather into early next week.
ANZ454-162100-Coastal waters from Cape May NJ to Cape Henlopen DE out 20 nm-
401 AM EDT Tue Sep 16 2025
GALE WARNING IN EFFECT THROUGH THIS EVENING
TODAY
NE winds 20 to 25 kt, increasing to 25 to 30 kt this
afternoon. Seas 7 to 10 ft. Wave Detail: E 10 ft at 9 seconds.
Showers likely with a chance of tstms.
TONIGHT
NE winds 25 to 30 kt with gusts up to 40 kt, becoming
E 20 to 25 kt with gusts up to 30 kt after midnight. Seas 7 to
10 ft. Wave Detail: E 9 ft at 9 seconds. Showers with a chance of
tstms in the evening, then showers likely after midnight.
WED
NE winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to
7 ft. Wave Detail: E 7 ft at 8 seconds. Showers in the morning,
then showers with a chance of tstms in the afternoon.
WED NIGHT
NE winds 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: E
5 ft at 8 seconds and S 1 foot at 6 seconds. Showers with a
chance of tstms in the evening, then showers after midnight.
THU
N winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at
8 seconds and S 1 foot at 5 seconds. Showers likely, mainly in
the morning.
THU NIGHT
W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 8 seconds and S 1 foot at 5 seconds.
FRI
W winds 5 to 10 kt. Seas 2 to 3 ft.
FRI NIGHT
S winds around 5 kt, becoming NE after midnight.
Seas around 2 ft.
SAT
NE winds around 15 kt. Seas 2 to 4 ft.
SAT 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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