Daily Update
Philadelphia / Delaware River & Bay
December 17, 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
342 AM EST Tue Dec 17 2024
ANZ452>455-172100-
/O.EXT.KPHI.SC.Y.0097.000000T0000Z-241217T2100Z/
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-
342 AM EST Tue Dec 17 2024
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...
* WHAT...Southwest winds 10 to 20 kt with gusts up to 25 kt and
seas 3 to 6 ft.
* WHERE...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 and Coastal waters from Cape Henlopen to
Fenwick Island DE out 20 nm.
* WHEN...Until 4 PM EST this afternoon.
* IMPACTS...Conditions will be hazardous to small craft.
* ADDITIONAL DETAILS...Patchy fog over the waters this morning
could reduce visibilities at times.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
Weather / Marine Zone Forecast
Marine Weather
ANZ400-180100-
702 AM EST Tue Dec 17 2024
SYNOPSIS FOR THE COASTAL WATERS FROM SANDY HOOK NJ TO FENWICK ISLAND DE AND FOR DELAWARE BAY
A cold front crosses through the area today giving way to brief high
pressure by tonight. Another area of low pressure and associated
cold front impact the area late Wednesday into Wednesday night.
High pressure returns on Thursday with a weak disturbance passing
through on Friday. Otherwise, cold Canadian high pressure arrives
for the weekend into early next week.
ANZ454-180100-- Coastal waters from Cape May NJ to Cape Henlopen DE out 20 nm-
702 AM EST Tue Dec 17 2024
SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON
TODAY
SW winds 15 to 20 kt with gusts up to 25 kt, becoming W
10 to 15 kt with gusts up to 20 kt this afternoon. Seas 3 to
5 ft. Wave Detail: S 4 ft at 6 seconds and SE 3 ft at 10 seconds.
Patchy fog early this morning. A slight chance of showers this
morning.
TONIGHT
NW winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE
3 ft at 9 seconds and S 2 ft at 6 seconds.
WED
E winds 5 to 10 kt, becoming SE 15 to 20 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds and
SE 2 ft at 11 seconds. A chance of rain in the afternoon.
WED NIGHT
SW winds 15 to 20 kt, becoming NW 20 to 25 kt after
midnight. Seas 3 to 5 ft. Wave Detail: W 4 ft at 4 seconds and S
4 ft at 6 seconds. Rain likely, mainly in the evening.
THU
NW winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 4 seconds and
SE 3 ft at 7 seconds.
THU NIGHT
N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE
3 ft at 7 seconds and NW 2 ft at 4 seconds.
FRI
N winds 5 to 10 kt. Seas 2 to 4 ft.
FRI NIGHT
N winds 10 to 15 kt, becoming NW 15 to 20 kt after
midnight. Seas 3 to 5 ft.
SAT
NW winds 15 to 20 kt. Seas 4 to 5 ft.
SAT NIGHT
NW winds 15 to 20 kt. Seas 3 to 5 ft.
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