Calm Midweek, Before Weekend Winter Storm?

The weather pattern remains mostly quiet midweek but this may change by the weekend as confidence is increasing on a winter storm along the East Coast. On Wednesday, expect below normal temperatures for the Eastern half of the U.S., locally heavy snow in the southern Rockies and High Plains, showers and isolated thunderstorms in Florida and air stagnation issues in the Northwest.
Read More...

Last Update: 1023 PM EST Tue Jan 25 2022

View Nearby Observations

For More Weather Information:

Key West, FL Local Forecast Office

3NM N American Shoal Light FL

Marine Zone Forecast


Synopsis: Gentle to moderate southeast breezes will prevail across Florida Keys coastal waters this evening, as low pressure moves eastward across the Gulf of Mexico. The low will weaken tonight, with gentle to moderate breezes rapidly clocking around from southeast to south and southwest. Gentle to moderate northwest to north breezes will develop Wednesday night and continue through Friday. A powerful cold front is forecast to blast through the Keys waters late Friday night, followed by strong northerly winds through much of the weekend.

The Approximate Shoreward Edge of the Gulf Stream as of January 25...

51 NM South of Dry Tortugas Light...on Loggerhead Key. 15 NM South of Cosgrove Shoal Light...off the Marquesas Keys. 8 NM South of Sand Key Light...off Key West. 7 NM South of Looe Key...off Big Pine Key. 9 NM South of Sombrero Key Light...off Marathon. 7 NM Southeast of Alligator Reef Light...off Islamorada. 6 NM Southeast of Molasses Reef Light...off Key Largo. 5 NM East of Carysfort Reef Light...off Ocean Reef.

Gulf Stream Information Courtesy of the Naval Oceanographic Office.

Overnight
East to southeast winds 10 to 15 knots, becoming southeast to south. Seas 1 to 3 feet. Nearshore waters a light to moderate chop. Isolated showers and thunderstorms.
Wednesday
South to southwest winds 10 to 15 knots. Seas 1 to 3 feet. Nearshore waters a light to moderate chop. Numerous showers and isolated thunderstorms.
Wednesday Night
Southwest to west winds 5 to 10 knots, becoming north after midnight. Seas 1 to 2 feet. Nearshore waters smooth to a light chop. Scattered showers and isolated thunderstorms.
Thursday
North to northeast winds 5 to 10 knots. Seas 1 to 2 feet. Nearshore waters smooth to a light chop. Isolated showers.
Thursday Night
North winds 5 to 10 knots. Seas 1 to 2 feet. Nearshore waters smooth to a light chop. Isolated showers.
Friday
North winds 5 to 10 knots, becoming west to northwest in the afternoon. Seas 1 to 2 feet. Nearshore waters smooth to a light chop. Isolated showers.
Friday Night
Northwest winds 10 to 15 knots, becoming northwest to north and increasing to near 20 knots early in the morning. seas 1 to 3 feet. Nearshore waters a light to moderate chop, becoming rough. Scattered showers.
Saturday
Northwest to north winds 25 to 30 knots. Seas 1 to 3 feet. West of cosgrove shoal light, seas 3 to 5 feet, building to 5 to 7 feet in the afternoon. Nearshore waters extremely rough. Isolated showers.
Saturday Night
North winds 20 to 25 knots. Seas 1 to 3 feet, except 5 to 7 feet west of cosgrove shoal light. Nearshore waters very rough.
Sunday
North winds 20 to 25 knots early, decreasing to 15 to 20 knots. Seas 1 to 3 feet, except 3 to 5 feet west of cosgrove shoal light. Nearshore waters very rough, becoming choppy.
Sunday Night
North to northeast winds near 15 knots. Seas 1 to 3 feet. Nearshore waters a moderate chop.
  Click Map For Detailed Forecast

ABOUT THIS FORECAST

Last Update: 1023 PM EST Tue Jan 25 2022
  Forecast Discussion
   

RADAR & SATELLITE IMAGES

Link to Local Radar Data Link to Satellite Data