Heavy Mountain Snow in the Northwest; Flooding Possible in the South

Heavy mountain snow and high winds have returned to the Northwestern U.S. today into Friday. Total snow accumulations could reach 3 feet in the higher elevations. Several rounds of heavy showers and thunderstorms tracking from the ArkLaTex into the Tennessee Valley may result in localized flash, urban, and small stream flooding into early next week, along with new river flooding.
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Key West, FL Local Forecast Office

6NM WNW Tennessee Reef Light FL

Marine Point Forecast

[NOTICE]
  • Tonight

    Partly Cloudy

    ENE 10kt
    < 1ft

    Low: 74 °F

  • Friday

    Mostly Sunny

    ESE 10kt
    < 1ft

    High: 83 °F

  • Friday
    Night

    Mostly Clear

    E 15kt
    < 1ft

    Low: 75 °F

  • Saturday

    Sunny

    ESE 15kt
    < 1ft

    High: 84 °F

  • Saturday
    Night

    Mostly Clear

    ESE 15kt
    < 1ft

    Low: 76 °F

  • Sunday

    Sunny

    ESE 15kt
    < 1ft

    High: 84 °F

  • Sunday
    Night

    Mostly Clear

    ESE 15kt
    < 1ft

    Low: 77 °F

  • Monday

    Sunny

    SE 10kt
    < 1ft

    High: 84 °F

  • Monday
    Night

    Mostly Clear

    Light Wind
    < 1ft

    Low: 75 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:15 pm EST Feb 25, 2021
Forecast Valid: 7pm EST Feb 25, 2021-6pm EST Mar 4, 2021

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Detailed Forecast


Synopsis: A fractured high pressure system draped across Florida will move into the western North Atlantic tonight. A dominant dome of high pressure will push off the Mid- Atlantic and New England Coasts Friday and Friday night. Fresh east to southeast breezes will persist Friday night through Sunday night, with the strongest winds Saturday night. Breezes are expected to subside Monday and Monday night.

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

62 NM South of Dry Tortugas Light...on Loggerhead Key. 26 NM South of Cosgrove Shoal Light...off the Marquesas Keys. 17 NM South of Sand Key Light...off Key West. 17 NM South of Looe Key...off Big Pine Key. 15 NM South of Sombrero Key Light...off Marathon. 11 NM Southeast of Alligator Reef Light...off Islamorada. 10 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.

Tonight
ENE wind 5 to 10 kt. Partly cloudy. Seas 1 ft or less.
Friday
ESE wind around 10 kt. Mostly sunny. Seas 1 ft or less.
Friday Night
E wind 10 to 15 kt. Mostly clear. Seas 1 ft or less.
Saturday
ESE wind 10 to 15 kt. Sunny. Seas 1 ft or less.
Saturday Night
ESE wind around 15 kt. Mostly clear. Seas 1 ft or less.
Sunday
ESE wind 10 to 15 kt. Sunny. Seas 1 ft or less.
Sunday Night
ESE wind 10 to 15 kt. Mostly clear. Seas 1 ft or less.
Monday
SE wind 5 to 10 kt. Sunny. Seas 1 ft or less.
Monday Night
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.

*Notices:

  1. This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
  2. The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.
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ABOUT THIS FORECAST

Point Forecast: 24.79°N 80.89°W
Last Update: 6:15 pm EST Feb 25, 2021
Forecast Valid: 7pm EST Feb 25, 2021-6pm EST Mar 4, 2021
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