Alert archive / New Jersey / Special Marine Warnings in 2026

Special Marine Warning 155, NWS Philadelphia/Mount Holly

August 23, 2026

NWS Philadelphia/Mount Holly issued this special marine warning at Aug 23, 2026, 6:09 AM EDT. It was in force for 96 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 23, 2026, 6:09 AM EDT (10:09 UTC)
Expired
Aug 23, 2026, 7:45 AM EDT
In force
96 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
0.75 in
Wind
34.0 mph

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 23, 4:27 AM EDTFlash Flood WarningPHICumberland4 hr
Aug 23, 3:32 AM EDTFlash Flood WarningPHIDelaware3 hr
Aug 23, 3:49 AM EDTFlash Flood WarningPHIBucks, Chester, Delaware, Montgomery, Philadelphia3 hr

Nearby

Special Marine Warnings in New Jersey, 2026Every special marine warning in 2026

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.