Daily Update
Philadelphia / Delaware River & Bay
December 11, 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 Warning
URGENT - MARINE WEATHER MESSAGE
National Weather Service Mount Holly NJ
620 AM EST Wed Dec 11 2024
ANZ453>455-120030-
/O.EXP.KPHI.SC.Y.0095.000000T0000Z-241211T1100Z/
/O.CON.KPHI.GL.W.0026.000000T0000Z-241212T1100Z/
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-
620 AM EST Wed Dec 11 2024
...GALE WARNING REMAINS IN EFFECT UNTIL 6 AM EST THURSDAY...
...SMALL CRAFT ADVISORY HAS EXPIRED...
* WHAT...Southwest winds 25 to 35 kt with gusts up to 45 kt and
seas 8 to 13 ft.
* 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...Until 6 AM EST Thursday.
* IMPACTS...Strong winds will cause hazardous seas which could
capsize or damage vessels and reduce visibility.
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
ANZ400-120100-
702 AM EST Wed Dec 11 2024
SYNOPSIS FOR THE COASTAL WATERS FROM SANDY HOOK NJ TO FENWICK ISLAND DE AND FOR DELAWARE BAY
Strengthening low pressure across the area and an approaching
cold front will result in widespread heavy rainfall and blustery
conditions today. The cold front will push offshore tonight ushering
in much colder and drier air, along with continued breezy conditions
Thursday. High pressure returns into the weekend with gradually
moderating temperatures. Another weak system may impact the area
Sunday into Monday.
ANZ454-120100--Coastal waters from Cape May NJ to Cape Henlopen DE out 20 nm-
702 AM EST Wed Dec 11 2024
GALE WARNING IN EFFECT THROUGH LATE TONIGHT
TODAY
S winds 20 to 25 kt with gusts up to 30 kt, increasing
to 30 to 35 kt with gusts up to 45 kt. Seas 5 to 7 ft, building
to 8 to 11 ft this afternoon. Wave Detail: S 7 ft at 7 seconds,
becoming S 11 ft at 9 seconds. Rain likely with a slight chance
of tstms early this morning, then a chance of rain and tstms late
this morning. Rain with a slight chance of tstms this afternoon
with vsby 1 to 3 NM.
TONIGHT
W winds 25 to 30 kt with gusts up to 40 kt. Seas 7 to
10 ft. Wave Detail: SE 10 ft at 11 seconds and W 6 ft at
5 seconds. Rain in the evening with vsby 1 to 3 NM.
THU
W winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to
7 ft. Wave Detail: SE 6 ft at 10 seconds and W 5 ft at 5 seconds.
THU NIGHT
NW winds 10 to 15 kt with gusts up to 25 kt. Seas
3 to 5 ft. Wave Detail: NW 3 ft at 4 seconds and SE 3 ft at
8 seconds.
FRI
NW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: N 2 ft
at 4 seconds and SE 2 ft at 8 seconds.
FRI NIGHT
NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
SE 2 ft at 8 seconds and N 1 foot at 3 seconds.
SAT
NE winds around 10 kt. Seas 2 to 3 ft.
SAT NIGHT
E winds 10 to 15 kt. Seas 2 to 4 ft.
SUN
E winds 10 to 15 kt. Seas 3 to 5 ft. A chance of rain.
SUN NIGHT
E winds 10 to 15 kt. Seas 4 to 6 ft. Rain likely.
Winds and seas higher in and near tstms.
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