Port Update
Philadelphia, PA / Delaware River & Bay
December 17, 2025
Notices
Moran Shipping Agencies at Port Philadelphia & Wilmington, DE & Baltimore, MD
Port Security - MARSEC Level 1
Local Time – GMT - 5
Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Mount Holly NJ
126 AM EST Wed Dec 17 2025
ANZ453>455-172100-
/O.CON.KPHI.SC.Y.0123.251217T1200Z-251218T0000Z/
/O.NEW.KPHI.GL.A.0025.251218T2300Z-251220T0600Z/
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-
126 AM EST Wed Dec 17 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM THIS MORNING
TO 7 PM EST THIS EVENING...
...GALE WATCH IN EFFECT FROM THURSDAY EVENING THROUGH LATE FRIDAY
NIGHT...
* WHAT...For the Small Craft Advisory, southwest winds 10 to 20
kt with gusts up to 25 kt and seas 3 to 5 ft expected. For the
Gale Watch, southwest winds 25 to 35 kt with gusts up to 40 kt
and seas 7 to 10 ft possible.
* 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...For the Small Craft Advisory, from 7 AM this morning to
7 PM EST this evening. For the Gale Watch, from Thursday
evening through late Friday night.
* IMPACTS...Strong winds can cause hazardous seas which could
capsize or damage vessels and reduce visibility.
* ADDITIONAL DETAILS...Gale-force winds out of the south/southwest
are expected Thursday Night and Friday Morning. Following a
brief lull and passage of a cold front midday Friday, gale-force
winds will pick up out of the west/northwest.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should consider altering plans to avoid possible
hazardous conditions. Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and seas.
Gale Watch
URGENT - MARINE WEATHER MESSAGE
National Weather Service Mount Holly NJ
126 AM EST Wed Dec 17 2025
ANZ453>455-172100-
/O.CON.KPHI.SC.Y.0123.251217T1200Z-251218T0000Z/
/O.NEW.KPHI.GL.A.0025.251218T2300Z-251220T0600Z/
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-
126 AM EST Wed Dec 17 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM THIS MORNING
TO 7 PM EST THIS EVENING...
...GALE WATCH IN EFFECT FROM THURSDAY EVENING THROUGH LATE FRIDAY
NIGHT...
* WHAT...For the Small Craft Advisory, southwest winds 10 to 20
kt with gusts up to 25 kt and seas 3 to 5 ft expected. For the
Gale Watch, southwest winds 25 to 35 kt with gusts up to 40 kt
and seas 7 to 10 ft possible.
* 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...For the Small Craft Advisory, from 7 AM this morning to
7 PM EST this evening. For the Gale Watch, from Thursday
evening through late Friday night.
* IMPACTS...Strong winds can cause hazardous seas which could
capsize or damage vessels and reduce visibility.
* ADDITIONAL DETAILS...Gale-force winds out of the south/southwest
are expected Thursday Night and Friday Morning. Following a
brief lull and passage of a cold front midday Friday, gale-force
winds will pick up out of the west/northwest.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should consider altering plans to avoid possible
hazardous conditions. Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and seas.
Weather / Marine Zone Forecast
Marine Weather
ANZ400-172200-
401 AM EST Wed Dec 17 2025
.SYNOPSIS FOR THE COASTAL WATERS FROM SANDY HOOK NJ TO FENWICK
ISLAND DE AND FOR DELAWARE BAY...
High pressure exits today and is followed by a weak cold front
that passes through the region this evening. High pressure
briefly builds in tonight before moving out through the day
tomorrow. A strong cold front approaches late Thursday night
and moves across the region on Friday. High pressure returns on
Saturday, then another cold front passes through on Sunday. High
pressure returns for the start of the new week.
ANZ454-172200-Coastal waters from Cape May NJ to Cape Henlopen DE out 20 nm-
401 AM EST Wed Dec 17 2025
SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
GALE WATCH IN EFFECT FROM THURSDAY EVENING THROUGH LATE FRIDAY
NIGHT
TODAY
SW winds 15 to 20 kt, diminishing to 10 to 15 kt late.
Seas 3 to 5 ft. Wave Detail: S 4 ft at 5 seconds and SE 1 foot at
10 seconds.
TONIGHT
W winds 10 to 15 kt with gusts up to 20 kt, becoming
NE around 5 kt after midnight. Seas 2 to 4 ft. Wave Detail: S
3 ft at 6 seconds and W 1 foot at 3 seconds.
THU
SE winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at
5 seconds and SE 1 foot at 10 seconds.
THU NIGHT
S winds 20 to 25 kt, increasing to 25 to 30 kt after
midnight. Seas 4 to 6 ft, building to 6 to 9 ft after midnight.
Wave Detail: S 5 ft at 5 seconds and SE 1 foot at 10 seconds,
becoming S 9 ft at 7 seconds and SE 1 foot at 11 seconds. Rain.
FRI
S winds 25 to 30 kt, becoming W in the afternoon. Seas
6 to 9 ft. Wave Detail: S 9 ft at 8 seconds and W 6 ft at
5 seconds. Rain likely in the morning.
FRI NIGHT
W winds 25 to 30 kt with gusts up to 40 kt,
diminishing to 20 to 25 kt with gusts up to 30 kt after midnight.
Seas 7 to 9 ft, subsiding to 5 to 8 ft after midnight. Wave
Detail: SE 7 ft at 10 seconds and W 6 ft at 5 seconds, becoming W
6 ft at 5 seconds and SE 5 ft at 10 seconds.
SAT
NW winds 15 to 20 kt, becoming SW 10 to 15 kt in the
afternoon. Seas 4 to 6 ft, subsiding to 3 to 4 ft in the
afternoon.
SAT NIGHT
SW winds 20 to 25 kt. Seas 4 to 6 ft.
SUN
W winds 15 to 20 kt. Seas 4 to 6 ft.
SUN NIGHT
NW winds 15 to 20 kt. Seas 3 to 4 ft.
Airport Code – Port Philadelphia, PA (PHL)
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