National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Hazardous Weather Conditions

For More Weather Information:

Key West, FL Local Forecast Office

Boot Key Harbor FL

Marine Point Forecast

[NOTICE]

    • Sunday

      Sunday:NE wind around 15 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.

      High: 85 °F

      NE 15kt
      < 1ft

    • Sunday Night

      Sunday Night:NE wind 15 to 20 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

      Low: 76 °F

      NE 20kt
      < 1ft

    • Monday

      Monday:ENE wind 15 to 20 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

      High: 85 °F

      ENE 20kt
      < 1ft

    • Monday Night

      Monday Night:NE wind around 15 kt. A slight chance of showers. Seas 1 ft or less.

      Low: 76 °F

      NE 15kt
      < 1ft

    • Tuesday

      Tuesday:NE wind 15 to 20 kt. A slight chance of showers. Seas 1 ft or less.

      High: 85 °F

      NE 20kt
      < 1ft

    • Tuesday Night

      Tuesday Night:NE wind around 20 kt. A slight chance of showers. Seas 1 ft or less.

      Low: 76 °F

      NE 20kt
      < 1ft

    • Wednesday

      Wednesday:NNE wind 15 to 20 kt. A slight chance of showers. Seas 1 ft or less.

      High: 84 °F

      NNE 20kt
      < 1ft

    • Wednesday Night

      Wednesday Night:NE wind around 15 kt. A slight chance of showers. Seas 1 ft or less.

      Low: 76 °F

      NE 15kt
      < 1ft

    • Thursday

      Thursday:NNE wind 10 to 15 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

      High: 83 °F

      NNE 15kt
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:15 am CDT Oct 18, 2026
Forecast Valid: 3am CDT Oct 18, 2026-6pm CDT Oct 24, 2026

View Nearby Observations

Detailed Forecast


Sunday
NE wind around 15 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.
Sunday Night
NE wind 15 to 20 kt. A chance of showers and thunderstorms. Seas 1 ft or less.
Monday
ENE wind 15 to 20 kt. A chance of showers and thunderstorms. Seas 1 ft or less.
Monday Night
NE wind around 15 kt. A slight chance of showers. Seas 1 ft or less.
Tuesday
NE wind 15 to 20 kt. A slight chance of showers. Seas 1 ft or less.
Tuesday Night
NE wind around 20 kt. A slight chance of showers. Seas 1 ft or less.
Wednesday
NNE wind 15 to 20 kt. A slight chance of showers. Seas 1 ft or less.
Wednesday Night
NE wind around 15 kt. A slight chance of showers. Seas 1 ft or less.
Thursday
NNE wind 10 to 15 kt. A chance of showers and thunderstorms. 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: 24.7°N 81.1°W
Last Update: 3:15 am CDT Oct 18, 2026
Forecast Valid: 3am CDT Oct 18, 2026-6pm CDT Oct 24, 2026
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