Port Update
Philadelphia, PA / Delaware River & Bay
December 31, 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
638 AM EST Wed Dec 31 2025
ANZ450>455-312300-
/O.CAN.KPHI.SC.Y.0132.000000T0000Z-251231T1200Z/
/O.CON.KPHI.SC.Y.0133.251231T2300Z-260101T2300Z/
Coastal waters from Sandy Hook to Manasquan Inlet NJ out 20 nm-
Coastal waters from Manasquan Inlet to Little Egg Inlet NJ out
20 nm-
Coastal waters from Little Egg Inlet to Great Egg Inlet NJ out
20 nm-
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-
638 AM EST Wed Dec 31 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 6 PM EST THURSDAY...
* WHAT...West winds 15 to 25 kt with gusts up to 30 kt and seas
3 to 5 ft expected.
* WHERE...Portions of Atlantic coastal waters.
* WHEN...From 6 PM this evening to 6 PM EST Thursday.
* 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
ANZ400-010000-
639 AM EST Wed Dec 31 2025
.SYNOPSIS FOR THE COASTAL WATERS FROM SANDY HOOK NJ TO FENWICK
ISLAND DE AND FOR DELAWARE BAY...
The region will remain between low pressure over Quebec and an
expanding high centered over the South Central US today. A weak
area of low pressure will pass to the north with a trailing cold
front moving through the area tonight. High pressure looks to
build in beginning Thursday and continuing into the weekend.
Low pressure and an associated cold front will pass through the
region Monday into Tuesday.
ANZ454-010000-Coastal waters from Cape May NJ to Cape Henlopen DE out 20 nm-
639 AM EST Wed Dec 31 2025
SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EST THIS EVENING
THROUGH THURSDAY AFTERNOON
TODAY
W winds 15 to 20 kt. Seas 2 to 4 ft. Wave Detail: W 3 ft
at 4 seconds and S 1 foot at 7 seconds. A slight chance of light
snow early this morning, then a chance of flurries late this
morning. Vsby 1 to 3 NM early this morning.
TONIGHT
SW winds 15 to 20 kt, becoming W 20 to 25 kt after
midnight. Seas 3 to 5 ft. Wave Detail: SW 4 ft at 5 seconds.
THU
NW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to
5 ft. Wave Detail: W 5 ft at 5 seconds and S 3 ft at 7 seconds.
THU NIGHT
NW winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft, subsiding to 2 to 3 ft after midnight. Wave Detail: NW
4 ft at 5 seconds and S 1 foot at 6 seconds, becoming N 3 ft at
4 seconds and S 1 foot at 6 seconds.
FRI
W winds 10 to 15 kt. Seas around 2 ft. Wave Detail: NW
2 ft at 4 seconds and S 1 foot at 6 seconds.
FRI NIGHT
W winds around 10 kt. Seas around 2 ft. Wave Detail:
W 1 foot at 3 seconds and S 1 foot at 6 seconds.
SAT
NW winds 5 to 10 kt. Seas around 2 ft.
SAT NIGHT
N winds 5 to 10 kt. Seas around 2 ft.
SUN
NW winds around 10 kt. Seas around 2 ft.
SUN NIGHT
NW winds around 10 kt. Seas 1 foot or less.
Airport Code – Port Philadelphia, PA (PHL)
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