Severe Weather and Heavy Rainfall Potential for the Plains; Coastal Low Across the mid-Atlantic

An upper trough and frontal boundary will focus showers and thunderstorms across portions of the Plains through early Monday; A few severe thunderstorms along with heavy rainfall are expected. Meanwhile, low pressure off the Southeast Coast will bring inclement weather across the mid-Atlantic coast through Monday. This system is forecast to meander off the coast then track inland early this week. Read More >

Hazardous Weather Conditions

Last Update: 246 PM SST Thu Sep 18 2025

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Pago Pago, American Samoa Local Forecast Office

Marine Zone Forecast


Tonight
South wind 10 to 15 knots. Seas 8 to 10 feet subsiding to 7 to 9 feet after midnight. Isolated showers.
Friday
Southeast wind 10 to 15 knots. Seas 7 to 9 feet. isolated showers.
Friday Night
Southeast wind 10 to 15 knots. Seas 6 to 8 feet. Isolated showers.
Saturday
Southeast wind 10 to 15 knots. Seas 5 to 7 feet. isolated showers.
Saturday Night
Southeast wind 10 to 15 knots. Seas 6 to 8 feet. Scattered showers.
Sunday Through Tuesday
Southeast wind 15 to 20 knots. Seas 8 to 10 feet. Scattered showers.



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246 PM SST Thu Sep 18 2025
 
 

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