Daily Update
Philadelphia / Delaware River & Bay
December 18, 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
328 AM EST Wed Dec 18 2024
ANZ454-455-182200-
/O.NEW.KPHI.SC.Y.0098.241219T0200Z-241219T1500Z/
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-
328 AM EST Wed Dec 18 2024
...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 10 AM
EST THURSDAY...
* WHAT...Northwest winds 15 to 20 kt with gusts up to 30 kt and
seas 3 to 5 ft expected.
* WHERE...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 PM this evening to 10 AM 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
ANZ400-190100-
702 AM EST Wed Dec 18 2024
SYNOPSIS FOR THE COASTAL WATERS FROM SANDY HOOK NJ TO FENWICK ISLAND DE AND FOR DELAWARE BAY
High pressure moves offshore today giving way to an area of low
pressure an associated cold front later this afternoon into tonight.
High pressure briefly returns on Thursday ahead of another area of
low pressure which passes by on Friday as secondary low pressure
develops offshore. In its wake, cold Canadian high pressure arrives
for the weekend through the middle of next week.
ANZ454-190100-- Coastal waters from Cape May NJ to Cape Henlopen DE out 20 nm-
702 AM EST Wed Dec 18 2024
SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
THURSDAY MORNING
TODAY
NE winds 5 to 10 kt, becoming SE this afternoon. Seas
2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds and E 1 foot at
12 seconds. A chance of rain this afternoon.
TONIGHT
SW winds 10 to 15 kt, becoming NW 15 to 20 kt after
midnight. Gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: W 3 ft
at 4 seconds and S 3 ft at 5 seconds. Rain, mainly in the
evening. Areas of fog.
THU
NW winds 15 to 20 kt, becoming N 10 to 15 kt in the
afternoon. Seas 3 to 5 ft. Wave Detail: N 3 ft at 4 seconds and
SE 3 ft at 7 seconds.
THU NIGHT
NE winds around 10 kt. Seas 2 to 3 ft. Wave Detail:
N 2 ft at 4 seconds and SE 2 ft at 7 seconds.
FRI
NE winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: NE 2 ft
at 4 seconds and SE 2 ft at 7 seconds. A chance of rain.
FRI NIGHT
N winds 15 to 20 kt with gusts up to 30 kt. Seas
4 to 6 ft. Wave Detail: E 5 ft at 8 seconds and NW 3 ft at
4 seconds. Rain likely in the evening, then a chance of rain and
snow after midnight with vsby 1 to 3 NM.
SAT
NW winds 20 to 25 kt. Seas 4 to 6 ft. A chance of rain and
snow showers in the morning with vsby 1 to 3 NM.
SAT NIGHT
NW winds 20 to 25 kt. Seas 4 to 6 ft.
SUN
NW winds 15 to 20 kt. Seas 3 to 5 ft.
SUN NIGHT
N winds 10 to 15 kt. Seas 3 to 4 ft.
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