Heavy Rainfall Threat The Across The Eastern U.S.

A strong cold front will gradually push through the Eastern U.S. over the next couple of days and will bring heavy rain and severe weather, primarily damaging winds . Excessive rainfall may result in flash flooding in the central Great Lakes and central Appalachians. Flash flood watches are currently in effect from the coastal Carolinas to the Great Lakes.
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Last Update: 320 AM EDT Wed Sep 22 2021

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Charleston, SC Local Forecast Office

18NM SSE Savannah GA

Marine Zone Forecast

Synopsis: AMZ300-222015- 320 AM EDT Wed Sep 22 2021 .Synopsis for the coastal waters of south coastal South Carolina and north coastal Georgia... Deep tropical moisture will lead to wet conditions today before a cold front moves through the area this evening into tonight. Cooler and drier high pressure will then prevail across the region into early next week. $$

Today

S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers this morning, then showers likely with a chance of tstms this afternoon.

Tonight

SW winds 10 to 15 kt, becoming NW with gusts to 20 kt after midnight. Seas 3 to 4 ft. Showers likely with a chance of tstms in the evening, then a chance of showers with a slight chance of tstms after midnight.

Thu

NW winds 10 to 15 kt. Seas 3 to 4 ft, subsiding to 2 to 3 ft in the afternoon.

Thu Night

N winds 10 kt. Seas 2 to 3 ft.

Fri

NE winds 10 kt. Seas 2 to 3 ft.

Fri Night

NE winds 5 to 10 kt. Seas 2 to 3 ft.

Sat

N winds 5 to 10 kt. Seas 2 to 3 ft.

Sat Night

NW winds 5 to 10 kt. Seas 2 to 3 ft.