Daily Update
Philadelphia / Delaware River & Bay
January 21, 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.
Freezing Spray Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Mount Holly NJ
551 AM EST Tue Jan 21 2025
ANZ452>455-212300-
/O.EXP.KPHI.SC.Y.0010.000000T0000Z-250121T1100Z/
/O.CON.KPHI.UP.Y.0003.000000T0000Z-250121T2300Z/
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-
551 AM EST Tue Jan 21 2025
...FREEZING SPRAY ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS
EVENING...
...SMALL CRAFT ADVISORY WILL EXPIRE AT 6 AM EST EARLY THIS
MORNING...
* WHAT...Moderate accumulation of freezing spray.
* 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 6 PM EST this evening.
* IMPACTS...Operating a vessel in freezing spray is hazardous.
Freezing spray may render mechanical and electronic components
inoperative. Ice accretion on decks and superstructures may
result in some loss of stability.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should prepare for ice accumulation on their vessel and
consider altering plans to avoid or mitigate these hazardous
conditions.
Weather / Marine Zone Forecast
Marine Weather
ANZ400-220100-
703 AM EST Tue Jan 21 2025
.SYNOPSIS FOR THE COASTAL WATERS FROM SANDY HOOK NJ TO FENWICK
ISLAND DE AND FOR DELAWARE BAY...
Arctic high pressure centered in the Plains extends into our area
through today, then it settles right over our region Wednesday
before moving offshore into Thursday. A system tracks well to our
south and east later today and tonight, with another one tracking
offshore during Thursday. A cold front moves through later Friday
with high pressure sliding across our area Saturday. The next cold
front may arrive later Sunday with a possible area of low pressure
developing along it Monday.
ANZ454-220100-Coastal waters from Cape May NJ to Cape Henlopen DE out 20 nm-
703 AM EST Tue Jan 21 2025
FREEZING SPRAY ADVISORY IN EFFECT UNTIL 6 PM EST THIS
EVENING
TODAY
NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: N 2 ft at 4 seconds and SE 1 foot at
8 seconds. A chance of light freezing spray early this morning.
TONIGHT
NW winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. Seas 2 to 3 ft. Wave Detail: N 2 ft at 4 seconds and SE
1 foot at 8 seconds. Snow likely, mainly in the evening. A chance
of light freezing spray after midnight. Vsby 1 to 3 NM.
WED
N winds 15 to 20 kt, becoming NW 10 to 15 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: N 2 ft at 4 seconds and
SE 1 foot at 7 seconds. A chance of light freezing spray in the
morning with vsby 1 to 3 NM.
WED NIGHT
NW winds around 5 kt, becoming SW after midnight.
Seas around 2 ft. Wave Detail: N 1 foot at 5 seconds and SE
1 foot at 8 seconds.
THU
W winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NW
1 foot at 2 seconds and NE 1 foot at 5 seconds.
THU NIGHT
NW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Wave Detail: NW 2 ft at 3 seconds and SE 2 ft at
9 seconds.
FRI
NW winds 10 to 15 kt. Seas 2 to 3 ft.
FRI NIGHT
NW winds around 10 kt. Seas 2 to 3 ft.
SAT
NW winds around 10 kt. Seas 2 to 3 ft.
SAT NIGHT
SW winds 10 to 15 kt. Seas 2 to 4 ft.
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