Port Update
Philadelphia, PA / Delaware River & Bay
October 20, 2025
Notices
Moran Shipping Agencies at Port Philadelphia & Wilmington, DE & Baltimore, MD
Port Security - MARSEC Level 1
Local Time – GMT - 4
Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Mount Holly NJ
331 AM EDT Mon Oct 20 2025
ANZ450>455-202100-
/O.CON.KPHI.SC.Y.0096.000000T0000Z-251021T0600Z/
Coastal waters from Sandy Hook to Manasquan Inlet NJ out 20 nm-
Coastal waters from Manasquan Inlet to Little Egg Inlet NJ out
20 nm-
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-
331 AM EDT Mon Oct 20 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT
TUESDAY...
* WHAT...West winds 15 to 25 kt with gusts up to 30 kt and seas
6 to 9 ft.
* WHERE...Portions of Atlantic coastal waters.
* WHEN...Until 2 AM EDT Tuesday.
* IMPACTS...Conditions will be hazardous to small craft.
* ADDITIONAL DETAILS...A brief period of gale force gusts may
accompany heavier showers or a thunderstorm early Monday morning.
Special Marine Warnings may be needed if this develops.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
Weather / Marine Zone Forecast
Marine Weather
ANZ400-202100-
401 AM EDT Mon Oct 20 2025
.SYNOPSIS FOR THE COASTAL WATERS FROM SANDY HOOK NJ TO FENWICK
ISLAND DE AND FOR DELAWARE BAY...
Low pressure tracks across New England today as high pressure builds
across the Southeast states. A cold front crosses our area Tuesday
night as low pressure gradually tracks just north of the Great Lakes
through Wednesday. The next cold front moves through late Thursday,
then high pressure builds in for Friday and into the weekend.
ANZ454-202100-Coastal waters from Cape May NJ to Cape Henlopen DE out 20 nm-
401 AM EDT Mon Oct 20 2025
SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
TODAY
W winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to
6 ft. Wave Detail: W 6 ft at 6 seconds and E 2 ft at 10 seconds.
TONIGHT
W winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Seas 3 to 5 ft, subsiding to 2 to 3 ft after midnight.
Wave Detail: NW 5 ft at 5 seconds and E 2 ft at 10 seconds,
becoming NW 3 ft at 5 seconds and E 1 foot at 10 seconds.
TUE
SW winds 10 to 15 kt with gusts up to 20 kt, becoming S
15 to 20 kt with gusts up to 30 kt in the afternoon. Seas around
2 ft, building to 3 to 5 ft in the afternoon. Wave Detail: SW
2 ft at 5 seconds and E 1 foot at 9 seconds, becoming S 5 ft at
5 seconds and E 1 foot at 10 seconds.
TUE NIGHT
S winds 15 to 20 kt, becoming SW 10 to 15 kt after
midnight. Gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: S 5 ft
at 6 seconds and E 1 foot at 10 seconds. A chance of showers.
WED
W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
4 ft. Wave Detail: W 4 ft at 6 seconds and E 1 foot at
10 seconds. A chance of showers in the morning.
WED NIGHT
W winds around 15 kt with gusts up to 25 kt. Seas
3 to 4 ft. Wave Detail: W 4 ft at 5 seconds and E 1 foot at
10 seconds.
THU
W winds 15 to 20 kt. Seas around 3 ft.
THU NIGHT
W winds around 15 kt. Seas 2 to 3 ft.
FRI
NW winds 10 to 15 kt. Seas around 2 ft.
FRI NIGHT
NW winds 5 to 10 kt. Seas around 2 ft.
Airport Code – Port Philadelphia, PA (PHL)
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