Flash Flood Watches in Southeast and Tennessee Valley; Critical Fire Weather in California; Severe Weather in Upper Midwest

Flash flood watches are in effect today in parts of the Southeast and Tennessee Valley from organized areas of heavy to excessive rainfall. Meanwhile, critical fire weather conditions are likely across northern California with offshore winds and dry conditions. Finally, a strong cold front will produce severe thunderstorms across the Upper to Mid Mississippi Valley.
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Hazardous Weather Conditions

For More Weather Information:

Miami - South Florida Local Forecast Office

4NM SE Highland Beach FL

Marine Point Forecast

[NOTICE]
  • This
    Afternoon

    Chance Thunderstorms

    SE 9kt
    2ft

    High: 85 °F

  • Tonight

    Chance Thunderstorms

    E 9kt
    2ft

    Low: 82 °F

  • Tuesday

    Thunderstorms Likely

    ESE 10kt
    2ft

    High: 85 °F

  • Tuesday
    Night

    Chance Thunderstorms

    E 8kt
    2ft

    Low: 82 °F

  • Wednesday

    Thunderstorms Likely

    ESE 6kt
    2ft

    High: 85 °F

  • Wednesday
    Night

    Showers Likely

    Light Wind
    2ft

    Low: 81 °F

  • Thursday

    Thunderstorms Likely

    Winds IncreasingSE 6kt
    2ft

    High: 86 °F

  • Thursday
    Night

    Thunderstorms Likely

    Light Wind
    2ft

    Low: 80 °F

  • Friday

    Thunderstorms Likely

    Winds IncreasingSE 6kt
    2ft

    High: 85 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:46 pm EDT Sep 20, 2021
Forecast Valid: 2pm EDT Sep 20, 2021-6pm EDT Sep 26, 2021

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Detailed Forecast


Synopsis: South Florida remains on the periphery of weak surface high pressure. Scattered showers and thunderstorms will be possible from time to time over all local waters over the coming days. Winds and waves could be locally higher in and around any shower or thunderstorm.

.GULF STREAM HAZARDS...None.

The approximate location of the west wall of the Gulf Stream as of Sep 18, 2021 at 1200 UTC...

9 nautical miles southeast of Fowey Rocks. 13 nautical miles southeast of Port Everglades. 12 nautical miles east of Lake Worth. 14 nautical miles east of Jupiter Inlet.

This data courtesy of the Naval Oceanographic Office.

This Afternoon
SE wind around 9 kt. A chance of showers and thunderstorms. Seas around 2 ft. Dominant period 9 seconds. Intracoastal waters a light chop.
Tonight
ESE wind 7 to 9 kt becoming W in the evening. A chance of showers and thunderstorms, mainly before 2am. Seas around 2 ft. Dominant period 9 seconds. Intracoastal waters a light chop.
Tuesday
ESE wind 7 to 10 kt. Showers and thunderstorms likely, mainly after 2pm. Seas around 2 ft. Dominant period 9 seconds. Intracoastal waters a light chop.
Tuesday Night
E wind 6 to 8 kt. A chance of showers and thunderstorms. Seas around 2 ft. Dominant period 8 to 9 seconds. Intracoastal waters a light chop.
Wednesday
ESE wind around 6 kt. Showers and thunderstorms likely, mainly after 2pm. Seas around 2 ft. Intracoastal waters smooth.
Wednesday Night
Variable winds 5 kt or less. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Seas around 2 ft. Intracoastal waters smooth.
Thursday
Variable winds less than 5 kt becoming SE around 6 kt in the afternoon. Showers and thunderstorms likely, mainly after 2pm. Seas around 2 ft. Intracoastal waters smooth.
Thursday Night
Variable winds 5 kt or less. Showers and thunderstorms likely. Seas around 2 ft. Intracoastal waters smooth.
Friday
Variable winds less than 5 kt becoming SE around 6 kt in the afternoon. Showers and thunderstorms likely. Seas around 2 ft. Intracoastal waters smooth.

*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: 26.36°N 80.04°W
Last Update: 12:46 pm EDT Sep 20, 2021
Forecast Valid: 2pm EDT Sep 20, 2021-6pm EDT Sep 26, 2021
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