Port Update
Philadelphia, PA / Delaware River & Bay
December 18, 2025
Notices
Moran Shipping Agencies at Port Philadelphia & Wilmington, DE & Baltimore, MD
Port Security - MARSEC Level 1
Local Time – GMT - 5
Gale Warning
URGENT - MARINE WEATHER MESSAGE
National Weather Service Mount Holly NJ
208 AM EST Thu Dec 18 2025
ANZ453>455-182100-
/O.CON.KPHI.GL.W.0035.251218T2300Z-251220T0600Z/
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-
208 AM EST Thu Dec 18 2025
...GALE WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 1 AM
EST SATURDAY...
* WHAT...Southerly winds 25 to 35 kt with gusts up to 45 kt
Thursday night, abruptly shifting westerly Friday and seas 7
to 10 ft expected.
* 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...From 6 PM this evening to 1 AM EST Saturday.
* IMPACTS...Strong winds will cause hazardous seas which could
capsize or damage vessels and reduce visibility.
* ADDITIONAL DETAILS...There may be a lull in the strongest
winds around midday Friday just before the cold front passes
through the waters.
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
ANZ400-182200-
402 AM EST Thu Dec 18 2025
.SYNOPSIS FOR THE COASTAL WATERS FROM SANDY HOOK NJ TO FENWICK
ISLAND DE AND FOR DELAWARE BAY...
High pressure across the area this morning moves offshore by
afternoon. A warm front lifts north through the region tonight,
followed by a strong cold front on Friday. High pressure moves
through the Mid-Atlantic on Saturday, followed by a cold front
Sunday. High pressure briefly returns on Monday, and then another
frontal boundary impacts the area Tuesday. High pressure returns
on Wednesday.
ANZ454-182200- Coastal waters from Cape May NJ to Cape Henlopen DE out 20 nm-
402 AM EST Thu Dec 18 2025
GALE WARNING IN EFFECT FROM THIS EVENING THROUGH LATE FRIDAY
NIGHT
TODAY
E winds 5 to 10 kt, becoming SE this afternoon. Seas
2 to 3 ft. Wave Detail: S 3 ft at 5 seconds and SE 1 foot at
10 seconds.
TONIGHT
S winds 15 to 20 kt with gusts up to 30 kt, increasing
to 25 to 30 kt with gusts up to 40 kt after midnight. Seas 3 to
5 ft, building to 6 to 9 ft after midnight. Wave Detail: SE 4 ft
at 5 seconds and SE 1 foot at 10 seconds, becoming S 9 ft at
6 seconds and SE 1 foot at 10 seconds. A chance of rain in the
evening, then rain after midnight with vsby 1 NM or less.
FRI
S winds 25 to 30 kt, becoming W in the afternoon. Seas
7 to 10 ft. Wave Detail: S 10 ft at 9 seconds and W 5 ft at
5 seconds. Rain. Vsby 1 NM or less in the morning.
FRI NIGHT
W winds 25 to 30 kt, becoming NW 20 to 25 kt after
midnight. Seas 6 to 9 ft. Wave Detail: SE 7 ft at 10 seconds and
W 6 ft at 5 seconds.
SAT
NW winds 10 to 15 kt, becoming SW in the afternoon. Seas
3 to 5 ft. Wave Detail: NW 4 ft at 5 seconds and SE 4 ft at
10 seconds.
SAT NIGHT
SW winds 15 to 20 kt with gusts up to 30 kt. Seas
4 to 6 ft. Wave Detail: S 6 ft at 6 seconds and SE 2 ft at
9 seconds.
SUN
W winds 15 to 20 kt. Seas 4 to 5 ft.
SUN NIGHT
NW winds 20 to 25 kt. Seas 4 to 5 ft.
MON
NW winds 20 to 25 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 4 to 5 ft, subsiding to 2 to 4 ft in the
afternoon.
MON NIGHT
NW winds 5 to 10 kt, becoming W after midnight. Seas
2 to 3 ft.
Airport Code – Port Philadelphia, PA (PHL)
Please reply to our Group Email Address phl@moranshipping.com on ALL messages to this office.
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