Unsettled Weather Across the Northwest; Much Cooler for the East

A frontal system will bring rain and mountain snow from northern California into Washington today, before advancing into the Rockies and Intermountain West on Monday. Strong and gusty winds are also expected over parts of California and Nevada. Meanwhile, much cooler and more seasonable weather will return to the East Coast today as temperatures rebound from the southern Plains into the Midwest.
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Hazardous Weather Conditions

For More Weather Information:

Key West, FL Local Forecast Office

3NM NW Davis Reef Light FL

Marine Point Forecast

[NOTICE]
  • Today

    Isolated Showers

    Light Wind
    < 1ft

    High: 83 °F

  • Tonight

    Scattered Showers

    Winds IncreasingNE 20kt
    1-2ft

    Low: 79 °F

  • Monday

    Scattered Showers

    NE 20kt
    2-3ft

    High: 81 °F

  • Monday
    Night

    Isolated Thunderstorms

    ENE 20kt
    2-3ft

    Low: 78 °F

  • Tuesday

    Isolated Thunderstorms

    ENE 15kt
    2ft

    High: 81 °F

  • Tuesday
    Night

    Isolated Thunderstorms

    ENE 20kt
    3ft

    Low: 79 °F

  • Wednesday

    Scattered Showers

    ENE 20kt
    3ft

    High: 82 °F

  • Wednesday
    Night

    Scattered Showers

    E 20kt
    3ft

    Low: 80 °F

  • Thursday

    Scattered Showers

    E 15kt
    2-3ft

    High: 82 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:15 am CDT Oct 17, 2021
Forecast Valid: 11am CDT Oct 17, 2021-6pm CDT Oct 23, 2021

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Detailed Forecast


Synopsis: A weakening cold front will pivot southeastward over the southern Gulf of Mexico and Florida Peninsula this afternoon and tonight. The front will become diffuse and stationary near the Florida Keys on Monday. Meanwhile, a strong high pressure system will migrate eastward across the southeastern United States and adjacent coastal waters. As high pressure builds into the Florida Keys, fresh northeast to east breezes are expected for the coastal waters tonight through at least Thursday.

The Approximate Shoreward Edge of the Gulf Stream as of October 16...

29 NM South of Dry Tortugas Light...on Loggerhead Key. 18 NM South of Cosgrove Shoal Light...off the Marquesas Keys. 16 NM South of Sand Key Light...off Key West. 18 NM South of Looe Key...off Big Pine Key. 23 NM South of Sombrero Key Light...off Marathon. 19 NM Southeast of Alligator Reef Light...off Islamorada. 13 NM Southeast of Molasses Reef Light...off Key Largo. 7 NM East of Carysfort Reef Light...off Ocean Reef.

Gulf Stream Information Courtesy of the Naval Oceanographic Office.

Today
Variable winds 5 kt or less. Isolated showers. Seas 1 ft or less.
Tonight
NE wind 5 to 10 kt increasing to 15 to 20 kt after midnight. Scattered showers and thunderstorms. Seas 1 to 2 ft.
Monday
NE wind around 20 kt. Scattered showers and thunderstorms. Seas 2 to 3 ft.
Monday Night
ENE wind 15 to 20 kt. Isolated showers and thunderstorms. Seas 2 to 3 ft.
Tuesday
ENE wind around 15 kt. Isolated showers and thunderstorms. Seas around 2 ft.
Tuesday Night
ENE wind around 20 kt. Isolated showers and thunderstorms. Seas around 3 ft.
Wednesday
ENE wind around 20 kt. Scattered showers and thunderstorms. Seas around 3 ft.
Wednesday Night
E wind 15 to 20 kt. Scattered showers and thunderstorms. Seas around 3 ft.
Thursday
E wind around 15 kt. Scattered showers and thunderstorms. Seas 2 to 3 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: 24.97°N 80.54°W
Last Update: 9:15 am CDT Oct 17, 2021
Forecast Valid: 11am CDT Oct 17, 2021-6pm CDT Oct 23, 2021
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