Daily Update
Philadelphia / Delaware River & Bay
December 20, 2024
Notices
Moran Shipping Agencies at Port Philadelphia & Wilmington, DE.
Port Security - MARSEC Level 1
Local Time – GMT -5
Maintenance Dredging
Dredging will be conducted in Marcus Hook Range and Marcus Hook Anchorage (No. 7) on the Delaware River from November 11, 2024, through approximately March 15, 2025.
Vessels desiring to anchor within Marcus Hook Anchorage must obtain permission from the COTP at least 24 hours in advance, at (215) 271-4807. The COTP will permit one vessel at a time on a “first come, first served” basis in the lower portion of the anchorage, with preference given to those vessels greater than 650’ in overall length.
Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Mount Holly NJ
338 AM EST Fri Dec 20 2024
ANZ453>455-202145-
/O.NEW.KPHI.SC.Y.0099.241220T2100Z-241222T1100Z/
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-
338 AM EST Fri Dec 20 2024
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO
6 AM EST SUNDAY...
* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and
seas 3 to 6 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 4 PM this afternoon to 6 AM EST Sunday.
* 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
ANZ400-210100-
702 AM EST Fri Dec 20 2024
SYNOPSIS FOR THE COASTAL WATERS FROM SANDY HOOK NJ TO FENWICK ISLAND DE AND FOR DELAWARE BAY
Low pressure impacts the region today/tonight; impacts lasting
possibly into Saturday morning. A strong and cold high pressure
system begins to build in later Saturday, holding influence over
the region through Monday and bringing frigid temperatures with
it. Next low pressure system could impact the region Monday
night into Christmas Eve.
ANZ454-210100- Coastal waters from Cape May NJ to Cape Henlopen DE out 20 nm-
702 AM EST Fri Dec 20 2024
SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EST THIS AFTERNOON
THROUGH LATE SATURDAY NIGHT
TODAY
NE winds 10 to 15 kt with gusts up to 20 kt, becoming N
15 to 20 kt with gusts up to 25 kt late. Seas 2 to 4 ft. Wave
Detail: NE 4 ft at 5 seconds and SE 2 ft at 8 seconds. A chance
of rain early this morning, then rain late this morning and
afternoon.
TONIGHT
NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. Wave Detail: NE 4 ft at 5 seconds and SE 4 ft at 8 seconds.
Rain likely. Vsby 1 to 3 NM after midnight.
SAT
NW winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 5 seconds and
E 4 ft at 8 seconds. Rain likely with a chance of snow in the
morning with vsby 1 to 3 NM.
SAT NIGHT
NW winds 20 to 25 kt with gusts up to 30 kt. Seas
4 to 6 ft. Wave Detail: NW 5 ft at 5 seconds and E 4 ft at
8 seconds.
SUN
NW winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 3 to 5 ft. Wave Detail: N 4 ft at 6 seconds and E
4 ft at 9 seconds.
SUN NIGHT
N winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Seas 2 to 4 ft. Wave Detail: N 2 ft at 5 seconds and E
2 ft at 9 seconds.
MON
N winds around 5 kt. Seas 2 to 3 ft.
MON NIGHT
SW winds 5 to 10 kt. Seas around 2 ft.
TUE
W winds 5 to 10 kt. Seas around 2 ft.
TUE NIGHT
NW winds 5 to 10 kt. Seas around 2 ft.
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