Daily Update
Philadelphia / Delaware River & Bay
January 10, 2025
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
857 AM EST Fri Jan 10 2025
ANZ431-454-455-101600-
/O.CON.KPHI.SC.Y.0004.000000T0000Z-250110T1600Z/
Delaware Bay waters south of East Point NJ to Slaughter Beach DE-
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-
857 AM EST Fri Jan 10 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EST THIS
MORNING...
* WHAT...Northwest winds around 20 kt with gusts up to 25 kt and
seas 3 to 5 ft.
* WHERE...In Delaware Bay Waters, Delaware Bay waters south of
East Point NJ to Slaughter Beach DE. In Atlantic coastal
waters, 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 11 AM EST this morning.
* IMPACTS...Conditions will be hazardous to small craft.
* ADDITIONAL DETAILS...Periods of freezing spray and a few
lingering gale force gusts possible through early this morning.
Abnormally low water especially near the low tides through this
morning could make navigation difficult in shallow waters.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
Weather / Marine Zone Forecast
Marine Weather
ANZ400-110100-
703 AM EST Fri Jan 10 2025
SYNOPSIS FOR THE COASTAL WATERS FROM SANDY HOOK NJ TO FENWICK ISLAND DE AND FOR DELAWARE BAY
Arctic high pressure currently situated over portions of the
Ohio Valley will continue to shift east into our region through
tonight. An area of low pressure currently over the northwestern
Gulf of Mexico will track northeast, exiting off of the Mid-
Atlantic coast Saturday morning. This will bring light snow to
the area for the first half of the weekend. High pressure will
again settle into the region Sunday into Monday. A reinforcing
shot of cold air will arrive Tuesday into Wednesday, and remain
in place through the extended period as a mid-level trough
prevails across the northeastern US.
ANZ454-110100-- Coastal waters from Cape May NJ to Cape Henlopen DE out 20 nm-
703 AM EST Fri Jan 10 2025
SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EST THIS MORNING
TODAY
NW winds 20 to 25 kt with gusts up to 30 kt, diminishing
to 15 to 20 kt with gusts up to 25 kt late this morning and
afternoon. Seas 3 to 5 ft. Wave Detail: N 5 ft at 6 seconds. A
chance of light freezing spray this morning.
TONIGHT
W winds 10 to 15 kt, becoming SW 5 to 10 kt after
midnight. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 5 seconds and
NE 1 foot at 7 seconds. Snow likely after midnight with vsby 1 NM
or less.
SAT
W winds 5 to 10 kt, becoming NW 15 to 20 kt with gusts up
to 25 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: NW 3 ft
at 4 seconds and NE 1 foot at 6 seconds. Snow in the morning with
vsby 1 NM or less.
SAT NIGHT
NW winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 4 seconds
and S 1 foot at 7 seconds.
SUN
NW winds 10 to 15 kt with gusts up to 20 kt, diminishing
to 5 to 10 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: NW
3 ft at 4 seconds and E 2 ft at 7 seconds.
SUN NIGHT
W winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
NW 1 foot at 4 seconds and NE 1 foot at 6 seconds.
MON
W winds around 10 kt. Seas around 2 ft.
MON NIGHT
W winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. Seas 3 to 5 ft.
TUE
W winds 20 to 25 kt. Seas 4 to 6 ft.
TUE NIGHT
NW winds around 25 kt. Seas 5 to 6 ft.
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