Tranquil Conditions Across The U.S.

Overall a quiet day or two coming up for the U.S. lower 48. A system will pass through the South and northern Gulf Coast region for some rain and a few thunderstorms, perhaps some light snow on the northern periphery from the Mid Mississippi Valley into the western Ohio Valley. Another system will sweep through the Northwest to the northern Rockies with some shower activity and mountain snow.
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Key West, FL Local Forecast Office

3NM NW Davis Reef Light FL

Marine Point Forecast

[NOTICE]
  • Overnight

    Partly Cloudy

    Light Wind
    1ft

    Low: 66 °F

  • Wednesday

    Mostly Sunny

    NNE 10kt
    < 1ft

    High: 78 °F

  • Wednesday
    Night

    Scattered Showers

    SSW 10kt
    < 1ft

    Low: 68 °F

  • Thursday

    Isolated Showers

    W 10kt
    1ft

    High: 77 °F

  • Thursday
    Night

    Partly Cloudy

    Light Wind
    < 1ft

    Low: 67 °F

  • Friday

    Scattered Showers

    Light Wind
    1ft

    High: 77 °F

  • Friday
    Night

    Scattered Showers

    Light Wind
    1ft

    Low: 69 °F

  • Saturday

    Scattered Showers

    WSW 10kt
    1ft

    High: 78 °F

  • Saturday
    Night

    Isolated Showers

    NNW 20kt
    1ft

    Low: 61 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:15 pm EST Jan 28, 2020
Forecast Valid: 1am EST Jan 29, 2020-6pm EST Feb 4, 2020

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Detailed Forecast


Synopsis: A generally weak pressure pattern will prevail through Wednesday. A weakening cold front will limp through the Keys waters on Wednesday night and early Thursday. High pressure will nose in from the north later Thursday through early Friday. The next cold front will likely arrive around Saturday.

The Approximate Shoreward Edge of the Gulf Stream as of January 28...

13 NM South of Dry Tortugas Light...on Loggerhead Key. 8 NM South of Cosgrove Shoal Light...off the Marquesas Keys. 6 NM South of Sand Key Light...off Key West. 6 NM South of Looe Key...off Big Pine Key. 9 NM South of Sombrero Key Light...off Marathon. 13 NM Southeast of Alligator Reef Light...off Islamorada. 6 NM Southeast of Molasses Reef Light...off Key Largo. 2 NM East of Carysfort Reef Light...off Ocean Reef.

Gulf Stream Information Courtesy of the Naval Oceanographic Office.

Overnight
Variable winds 5 kt or less. Partly cloudy. Seas around 1 ft.
Wednesday
NNE wind 5 to 10 kt becoming S in the afternoon. Mostly sunny. Seas 1 ft or less.
Wednesday Night
SSW wind 5 to 10 kt. Scattered showers. Seas 1 ft or less.
Thursday
W wind around 10 kt. Isolated showers before 1pm. Seas around 1 ft.
Thursday Night
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Friday
Variable winds 5 kt or less. Scattered showers. Seas around 1 ft.
Friday Night
Variable winds 5 kt or less. Scattered showers and thunderstorms. Seas around 1 ft.
Saturday
SSW wind 5 to 10 kt becoming W in the afternoon. Scattered showers and thunderstorms. Seas around 1 ft.
Saturday Night
WNW wind 10 to 20 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: 24.97°N 80.54°W
Last Update: 9:15 pm EST Jan 28, 2020
Forecast Valid: 1am EST Jan 29, 2020-6pm EST Feb 4, 2020
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