Unsettled Weather Continues in the Northwest; Ice & Snow to Develop Across Parts of the Central U.S.

Unsettled weather will persist across the western U.S. during the next few days with locally heavy coastal rain and mountain snow for much of the Pacific Northwest. Another weather system will affect parts of the Southwest and central United States with snow and mixed precipitation developing from Oklahoma northeastward into the Great Lakes.
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For More Weather Information:

Key West, FL Local Forecast Office

Molasses Reef Light FL

Marine Point Forecast

[NOTICE]
  • Tonight

    Mostly Clear

    NNW 25kt
    3-4ft

    Low: 48 °F

    Small Craft Advisory
    Small Craft Advisory

  • Wednesday

    Sunny

    NNW 25kt
    3-4ft

    High: 69 °F

  • Wednesday
    Night

    Isolated Showers

    N 20kt
    3ft

    Low: 64 °F

  • Thursday

    Isolated Showers

    ENE 15kt
    3ft

    High: 73 °F

  • Thursday
    Night

    Isolated Showers

    ENE 15kt
    2-3ft

    Low: 69 °F

  • Friday

    Isolated Showers

    E 10kt
    2ft

    High: 74 °F

  • Friday
    Night

    Isolated Showers

    Light Wind
    1ft

    Low: 69 °F

  • Saturday

    Isolated Showers

    Light Wind
    1ft

    High: 74 °F

  • Saturday
    Night

    Isolated Showers

    NNW 10kt
    1ft

    Low: 64 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:16 pm EST Jan 21, 2020
Forecast Valid: 7pm EST Jan 21, 2020-6pm EST Jan 28, 2020

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Detailed Forecast


Synopsis: The low level flow between an artic high pressure system over the Ohio Valley and a developing low pressure system near the Bahamas will support strong to near-gale breezes tonight and Wednesday morning across the coastal waters of the Florida Keys. Low pressure will exit east of Bermuda Wednesday night or Thursday. High pressure will move from the Ohio Valley to the U.S. eastern Seaboard Thursday through Friday. A cold front will slip into the northeast Gulf on Friday night or Saturday.

The Approximate Shoreward Edge of the Gulf Stream as of January 20...

9 NM South of Dry Tortugas Light...on Loggerhead Key. 2 NM South of Cosgrove Shoal Light...off the Marquesas Keys. Less than 1 NM South of Sand Key Light...off Key West. 2 NM South of Looe Key...off Big Pine Key. 3 NM South of Sombrero Key Light...off Marathon. 2 NM Southeast of Alligator Reef Light...off Islamorada. Less than 1 NM Southeast of Molasses Reef Light...off Key Largo. Less than 1 NM East of Carysfort Reef Light...off Ocean Reef.

Gulf Stream Information Courtesy of the Naval Oceanographic Office.

Tonight
NNW wind 20 to 25 kt. Mostly clear. Seas 3 to 4 ft.
Wednesday
NNW wind 20 to 25 kt. Sunny. Seas 3 to 4 ft.
Wednesday Night
N wind 15 to 20 kt. Isolated showers after 8pm. Seas around 3 ft.
Thursday
ENE wind around 15 kt. Isolated showers. Seas around 3 ft.
Thursday Night
ENE wind 10 to 15 kt. Isolated showers. Seas 2 to 3 ft.
Friday
E wind 5 to 10 kt. Isolated showers. Seas around 2 ft.
Friday Night
Variable winds 5 kt or less. Isolated showers. Seas around 1 ft.
Saturday
Variable winds 5 kt or less. Isolated showers. Seas around 1 ft.
Saturday Night
SW wind 5 to 10 kt becoming NNW after midnight. Isolated showers. Seas around 1 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: 25.02°N 80.38°W
Last Update: 4:16 pm EST Jan 21, 2020
Forecast Valid: 7pm EST Jan 21, 2020-6pm EST Jan 28, 2020
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