Port Update
Philadelphia, PA / Delaware River & Bay
December 04, 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
158 AM EST Thu Dec 4 2025
ANZ453>455-042200-
/O.CON.KPHI.SC.Y.0117.251204T1400Z-251205T0500Z/
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-
158 AM EST Thu Dec 4 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING
TO MIDNIGHT EST TONIGHT...
* WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt and
seas 3 to 5 ft expected.
* 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...From 9 AM this morning to midnight EST tonight.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
Weather / Marine Zone Forecast
Marine Weather
ANZ400-042200-
401 AM EST Thu Dec 4 2025
.SYNOPSIS FOR THE COASTAL WATERS FROM SANDY HOOK NJ TO FENWICK
ISLAND DE AND FOR DELAWARE BAY...
An arctic cold front will cross through the area this afternoon. Arctic high pressure builds in late tonight into Friday before shifting offshore by Friday night. An area of low pressure tracks to our southeast Friday night with weak high pressure filling in over the weekend. Another cold front passes through late Sunday. High pressure returns for Monday and Tuesday, followed by another low pressure system toward the middle of next week.
ANZ454-042200-Coastal waters from Cape May NJ to Cape Henlopen DE out 20 nm-
401 AM EST Thu Dec 4 2025
SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM EST THIS MORNING
THROUGH THIS EVENING
TODAY
W winds 10 to 15 kt with gusts up to 20 kt, becoming NW
15 to 20 kt with gusts up to 25 kt this afternoon. Seas 2 to
3 ft, building to 3 to 5 ft this afternoon. Wave Detail: SE 3 ft
at 11 seconds and W 2 ft at 3 seconds, becoming NW 4 ft at
4 seconds and SE 3 ft at 10 seconds.
TONIGHT
N winds 15 to 20 kt. Gusts up to 30 kt in the evening.
Seas 3 to 5 ft. Wave Detail: N 4 ft at 4 seconds and SE 2 ft at
10 seconds.
FRI
E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NW 2 ft
at 4 seconds and NE 2 ft at 5 seconds. A chance of snow and rain
in the morning, then rain with snow likely in the afternoon. Vsby
1 to 3 NM.
FRI NIGHT
NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: N
2 ft at 5 seconds and SE 2 ft at 10 seconds. Rain likely, mainly
in the evening.
SAT
NW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 9 seconds and E 2 ft at 5 seconds.
SAT NIGHT
NW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 9 seconds.
SUN
N winds 5 to 10 kt. Seas 2 to 3 ft.
SUN NIGHT
N winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. Seas 2 to 4 ft.
MON
N winds 20 to 25 kt. Seas 3 to 5 ft.
MON NIGHT
N winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Seas 3 to 5 ft.
Airport Code – Port Philadelphia, PA (PHL)
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