Port Update
Philadelphia / Delaware River & Bay
May 21, 2025
Notices
Moran Shipping Agencies at Port Philadelphia & Wilmington, DE.
Port Security - MARSEC Level 1
Local Time – GMT -5
Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Mount Holly NJ
345 AM EDT Wed May 21 2025
ANZ450>455-212200-
/O.CON.KPHI.SC.Y.0066.250521T1400Z-250522T1600Z/
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-
345 AM EDT Wed May 21 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING
TO NOON EDT THURSDAY...
* WHAT...East winds 15 to 25 kt with gusts up to 30 kt and seas
4 to 7 ft expected.
* WHERE...The New Jersey and Delaware Atlantic coastal waters.
* WHEN...From 10 AM this morning to noon EDT Thursday.
* 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
ANZ400-220300-
928 AM EDT Wed May 21 2025
.SYNOPSIS FOR THE COASTAL WATERS FROM SANDY HOOK NJ TO FENWICK
ISLAND DE AND FOR DELAWARE BAY...
Low pressure moves east into the Ohio Valley, and a secondary
low will form over the Mid-Atlantic today. This low slowly
lifts to the north and east and will merge with the primary low
over New England late this week. High pressure briefly builds
through the region late this weekend. Low pressure may pass
near or south of the area early next week.
ANZ454-220300- Coastal waters from Cape May NJ to Cape Henlopen DE out 20 nm-
928 AM EDT Wed May 21 2025
SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING
TODAY
E winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. Wave Detail: E 5 ft at 5 seconds. Periods of rain.
TONIGHT
E winds 20 to 25 kt, diminishing to 15 to 20 kt after
midnight. Seas 4 to 6 ft. Wave Detail: E 6 ft at 6 seconds.
Periods of rain.
THU
N winds 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: NE 5 ft
at 7 seconds and NW 2 ft at 3 seconds. A chance of showers in the
morning, then showers likely in the afternoon.
THU NIGHT
NW winds around 10 kt, becoming W after midnight.
Seas 3 to 5 ft. Wave Detail: E 5 ft at 9 seconds and NW 3 ft at
4 seconds. A chance of showers.
FRI
W winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: E 4 ft
at 9 seconds and NW 3 ft at 4 seconds.
FRI NIGHT
W winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 4 ft. Wave Detail: E 4 ft at 9 seconds and NW 3 ft at
4 seconds.
SAT
W winds around 15 kt. Seas 2 to 4 ft.
SAT NIGHT
NW winds 10 to 15 kt. Seas 2 to 3 ft.
SUN
W winds around 10 kt. Seas 2 to 3 ft.
SUN NIGHT
W winds 5 to 10 kt. Seas around 2 ft. A chance of
showers.
Airport Code – Port Philadelphia, PA (PHL)
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