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.
Read More...

Last Update: 1046 AM EDT Tue Mar 19 2019

View Nearby Observations

For More Weather Information:

Key West, FL Local Forecast Office

3NM SE Key Largo FL

Marine Zone Forecast


...SMALL CRAFT ADVISORY IN EFFECT...
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
Northeast winds 25 knots with occasional gusts to 30 to 35 knots, with the highest winds expected adjacent to the lower keys. Seas 2 to 4 feet, building to 3 to 5 feet. West of cosgrove shoal light, seas building to 4 to 6 feet. Nearshore waters extremely rough. Winds and seas higher near showers and isolated thunderstorms.
Tonight
Northeast winds near 25 knots, decreasing to near 20 knots. Seas 2 to 4 feet, except 4 to 5 feet west of cosgrove shoal light. Nearshore waters extremely rough, becoming rough. Showers and isolated thunderstorms.
Wednesday
North to northeast winds 15 to 20 knots, decreasing to 10 to 15 knots. Seas subsiding to 2 to 3 feet. Nearshore waters becoming a light to moderate chop. Isolated showers.
Wednesday Night
North to northeast winds near 15 knots. Seas 1 to 3 feet. Nearshore waters a moderate chop. Isolated showers.
Thursday
Northwest to north winds 10 to 15 knots. Seas 1 to 3 feet. Nearshore waters a light to moderate chop. Isolated showers.
Thursday Night
North winds 15 to 20 knots. Seas 2 to 3 feet. nearshore waters choppy.
Friday
North winds near 15 knots. Seas 1 to 3 feet. Nearshore waters a moderate chop.
Friday Night
North to northeast winds near 15 knots. Seas 1 to 3 feet. Nearshore waters a moderate chop.
Saturday And Saturday Night
Northeast to east winds near 15 knots. Seas 2 to 4 feet. Nearshore waters a moderate chop. Isolated showers.
  Click Map For Detailed Forecast

ABOUT THIS FORECAST

Last Update: 1046 AM EDT Tue Mar 19 2019
  Forecast Discussion
   

RADAR & SATELLITE IMAGES

Link to Local Radar Data Link to Satellite Data