Port Update
Philadelphia, PA / Delaware River & Bay
October 21, 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
316 AM EDT Tue Oct 21 2025
ANZ450>455-212200-
/O.CON.KPHI.SC.Y.0097.251021T2100Z-251022T1100Z/
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-
316 AM EDT Tue Oct 21 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 7 AM EDT WEDNESDAY...
* WHAT...Southwest winds 10 to 20 kt with gusts up to 25 kt and
seas 3 to 6 ft expected.
* WHERE...Portions of Atlantic coastal waters.
* WHEN...From 5 PM this afternoon to 7 AM EDT Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
Weather / Marine Zone Forecast
Marine Weather
ANZ400-212100-
401 AM EDT Tue Oct 21 2025
.SYNOPSIS FOR THE COASTAL WATERS FROM SANDY HOOK NJ TO FENWICK
ISLAND DE AND FOR DELAWARE BAY...
A cold front crosses our area tonight 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 beginning of the weekend.
ANZ454-212100-Coastal waters from Cape May NJ to Cape Henlopen DE out 20 nm-
401 AM EDT Tue Oct 21 2025
SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
WEDNESDAY MORNING
TODAY
SW winds 5 to 10 kt, becoming S 15 to 20 kt with gusts
up to 25 kt this afternoon. Seas 2 to 3 ft, building to 3 to 5 ft
this afternoon. Wave Detail: W 2 ft at 4 seconds and S 2 ft at
7 seconds, becoming S 4 ft at 5 seconds and NW 1 foot at
4 seconds.
TONIGHT
SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft. Wave Detail: S 5 ft at 6 seconds and E 1 foot at
10 seconds. A chance of showers in the evening, then showers
likely after midnight.
WED
W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
4 ft. Wave Detail: SW 4 ft at 5 seconds and E 1 foot at
10 seconds.
WED NIGHT
W winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. Wave Detail: W 3 ft at 4 seconds and S 3 ft at
6 seconds.
THU
W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: W 2 ft at 3 seconds and S 2 ft at 6 seconds.
THU NIGHT
W winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW
2 ft at 5 seconds and E 1 foot at 10 seconds.
FRI
NW winds 10 to 15 kt. Seas 2 to 3 ft.
FRI NIGHT
NW winds 10 to 15 kt. Seas 2 to 3 ft.
SAT
NW winds 5 to 10 kt. Seas around 2 ft.
SAT NIGHT
NW winds around 5 kt. Seas around 2 ft.
Airport Code – Port Philadelphia, PA (PHL)
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