Daily Update
Philadelphia / Delaware River & Bay
November 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.
Gale Watch
URGENT - MARINE WEATHER MESSAGE
National Weather Service Mount Holly NJ
253 AM EST Wed Nov 20 2024
ANZ430-431-453>455-202100-
/O.UPG.KPHI.GL.A.0013.241121T0500Z-241121T1200Z/
/O.NEW.KPHI.GL.W.0022.241121T0400Z-241121T1200Z/
Delaware Bay waters north of East Point NJ to Slaughter Beach DE-
Delaware Bay waters south of East Point NJ to Slaughter Beach DE-
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-
253 AM EST Wed Nov 20 2024
...GALE WARNING IN EFFECT FROM 11 PM THIS EVENING TO 7 AM EST
THURSDAY...
* WHAT...West winds 20 to 30 kt with gusts up to 35 kt expected.
* WHERE...In Delaware Bay Waters, Delaware Bay waters north of
East Point NJ to Slaughter Beach DE and Delaware Bay waters
south of East Point NJ to Slaughter Beach DE. In Atlantic
coastal waters, 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 11 PM this evening to 7 AM EST Thursday.
* IMPACTS...Strong winds will cause hazardous seas which could
capsize or damage vessels and reduce visibility.
* ADDITIONAL DETAILS...The strongest winds along with an abrupt
wind shift to westerly should occur with the passage of a cold
front overnight Wednesday night.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.
Weather / Marine Zone Forecast
Marine Weather
ANZ400-210100-
702 AM EST Wed Nov 20 2024
SYNOPSIS FOR THE COASTAL WATERS FROM SANDY HOOK NJ TO FENWICK
A warm front will progress north across parts of the region
today. Low pressure and an associated strong cold front moves
into our region tonight and Thursday with some much needed
rain and, in the higher terrain, snow. Low pressure then
lingers across the Northeast into the weekend with much colder
air before moving into the Canadian Maritimes by the end of the
weekend. High pressure then arrives for later Sunday and
especially Monday, followed by a cold front on Tuesday.
ANZ454-210100 -Coastal waters from Cape May NJ to Cape Henlopen DE out 20 nm-
702 AM EST Wed Nov 20 2024
GALE WARNING IN EFFECT FROM THIS EVENING THROUGH
THURSDAY MORNING
TODAY
SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E
2 ft at 10 seconds and NE 1 foot at 5 seconds. A slight chance of
showers early this morning. A slight chance of showers late.
TONIGHT
SE winds 10 to 15 kt with gusts up to 20 kt, becoming
W 25 to 30 kt with gusts up to 40 kt after midnight. Seas 2 to
3 ft, building to 3 to 5 ft after midnight. Wave Detail: SE 2 ft
at 4 seconds and E 1 foot at 9 seconds, becoming W 4 ft at
4 seconds and S 3 ft at 4 seconds. Rain. Vsby 1 to 3 NM,
decreasing to 1 NM or less after midnight.
THU
W winds 25 to 30 kt. Seas 3 to 5 ft. Wave Detail: W 5 ft
at 5 seconds and SE 1 foot at 4 seconds.
THU NIGHT
W winds around 25 kt with gusts up to 30 kt. Seas
3 to 5 ft. Wave Detail: SW 5 ft at 6 seconds and E 1 foot at
8 seconds.
FRI
W winds 25 to 30 kt. Seas 3 to 5 ft. Wave Detail: SW 5 ft
at 5 seconds and E 1 foot at 8 seconds. A chance of showers in
the morning, then showers likely in the afternoon.
FRI NIGHT
W winds 25 to 30 kt. Seas 3 to 5 ft. Wave Detail: SW
5 ft at 6 seconds and E 1 foot at 10 seconds. Showers likely,
mainly in the evening.
SAT
W winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. Seas 3 to 5 ft.
SAT NIGHT
W winds 20 to 25 kt. Seas 3 to 5 ft.
SUN
W winds 20 to 25 kt. Seas 2 to 4 ft.
SUN NIGHT
W winds 15 to 20 kt. Seas 2 to 3 ft.
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