Historic Flooding Continues in the Midwest

Historic and catastrophic flooding will continue across portions of the central Plains and Upper Midwest for the rest of the week. A weak low pressure system will slide through the region over the next couple of days and produce additional light-to-moderate rain. A series of storms begins to impact the West Coast tonight and into tomorrow with rain and mountain snows.

Last Update: 1046 AM EDT Tue Mar 19 2019

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Key West, FL Local Forecast Office

7NM SE Molasses Reef Light FL

Marine Zone Forecast

Synopsis: A broad area of low pressure in the extreme southeastern Gulf of Mexico will move quickly eastward, and across the Straits of Florida this afternoon and tonight. The pressure difference between high pressure to the north and the area of low pressure will result in strong winds overspreading our entire marine district today through early tonight. Thereafter, high pressure will press southward.

The Approximate Shoreward Edge of the Gulf Stream as of March 19...

50 NM South of Dry Tortugas Light...on Loggerhead Key. 33 NM South of Cosgrove Shoal Light...off the Marquesas Keys. 26 NM South of Sand Key Light...off Key West. 15 NM South of Looe Key...off Big Pine Key. 8 NM South of Sombrero Key Light...off Marathon. 11 NM Southeast of Alligator Reef Light...off Islamorada. 5 NM Southeast of Molasses Reef Light...off Key Largo. 3 NM East of Carysfort Reef Light...off Ocean Reef.

Gulf Stream Information Courtesy of the Naval Oceanographic Office.

This Afternoon
On the florida straits out 20 nm, northeast to east winds 15 to 20 knots, becoming north to northeast and increasing to 20 to 25 knots. Seas building to 4 to 7 feet. On the florida straits from 20 to 60 nm out, east winds near 15 knots, becoming variable. Winds and seas higher near showers and scattered thunderstorms.
Winds becoming northeast 20 to 25 knots. Seas building to 5 to 7 feet. Showers and isolated thunderstorms.
North to northeast winds 15 to 20 knots. Seas 4 to 7 feet. Scattered showers.
Wednesday Night
North to northeast winds near 15 knots. Seas 3 to 6 feet. Scattered showers.
North winds 10 to 15 knots. Seas 2 to 5 feet. Scattered showers.
Thursday Night
North winds 15 to 20 knots. Seas 3 to 6 feet. isolated showers.
North winds near 15 knots. Seas 3 to 5 feet.
Friday Night
Northeast winds near 15 knots. Seas 3 to 5 feet.
Saturday And Saturday Night
Northeast to east winds near 15 knots. Seas 3 to 5 feet. Isolated showers.
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Last Update: 1046 AM EDT Tue Mar 19 2019
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