Unsettled Across the West; Increasingly Rainy with a Few Storms in the South

A frontal system will bring heavy precipitation, including mountain snowfall to much of the Pacific Northwest, northern California, and portions of the Rockies through Tuesday. Elsewhere, wet weather will return to much of the South with locally heavy rainfall; a few strong to severe thunderstorms will also be possible in this region by Tuesday.
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For More Weather Information:

Key West, FL Local Forecast Office

4NM N Dry Tortugas Light FL

Marine Point Forecast

[NOTICE]
  • This
    Afternoon

    Sunny

    E 10kt
    3ft

    High: 76 °F

  • Tonight

    Partly Cloudy

    E 10kt
    2ft

    Low: 71 °F

  • Tuesday

    Sunny

    E 10kt
    3ft

    High: 74 °F

  • Tuesday
    Night

    Mostly Clear

    ESE 15kt
    2-3ft

    Low: 72 °F

  • Wednesday

    Mostly Sunny

    ESE 10kt
    2ft

    High: 75 °F

  • Wednesday
    Night

    Partly Cloudy

    Light Wind
    1-2ft

    Low: 73 °F

  • Thursday

    Mostly Sunny

    ESE 10kt
    2ft

    High: 76 °F

  • Thursday
    Night

    Mostly Clear

    ESE 10kt
    2-3ft

    Low: 73 °F

  • Friday

    Mostly Sunny

    ESE 10kt
    3-4ft

    High: 76 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:15 pm CST Dec 18, 2017
Forecast Valid: 5pm CST Dec 18, 2017-6pm CST Dec 24, 2017

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Detailed Forecast


Synopsis: A high pressure cell will persist from the subtropical North Atlantic to the eastern Gulf of Mexico, tonight through Saturday.

The Approximate Shoreward Edge of the Gulf Stream as of December 16, 2017,

30 NM South of Dry Tortugas Light, on Loggerhead Key. 17 NM South of Cosgrove Shoal Light, off the Marquesas Keys. 26 NM South of Sand Key Light, off Key West. 32 NM South of Looe Key, off Big Pine Key. 29 NM South of Sombrero Key Light, off Marathon. 14 NM Southeast of Alligator Reef Light, off Islamorada. 9 NM Southeast of Molasses Reef Light, off Key Largo. 6 NM East of Carysfort Reef Light, off Ocean Reef.

Gulf Stream Information Courtesy of the Naval Oceanographic Office.

This Afternoon
E wind around 10 kt. Sunny. Seas around 3 ft.
Tonight
E wind around 10 kt. Partly cloudy. Seas around 2 ft.
Tuesday
E wind around 10 kt. Sunny. Seas around 3 ft.
Tuesday Night
ESE wind 10 to 15 kt. Mostly clear. Seas 2 to 3 ft.
Wednesday
ESE wind 5 to 10 kt. Mostly sunny. Seas around 2 ft.
Wednesday Night
Variable winds 5 kt or less. Partly cloudy. Seas 1 to 2 ft.
Thursday
ESE wind around 10 kt. Mostly sunny. Seas around 2 ft.
Thursday Night
ESE wind around 10 kt. Mostly clear. Seas 2 to 3 ft.
Friday
ESE wind around 10 kt. Mostly sunny. Seas 3 to 4 ft.

*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: 24.7°N 82.92°W
Last Update: 3:15 pm CST Dec 18, 2017
Forecast Valid: 5pm CST Dec 18, 2017-6pm CST Dec 24, 2017
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