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

Hazardous Weather Outlook

For More Weather Information:

Miami - South Florida Local Forecast Office

4NM ESE Boca Raton FL

Marine Point Forecast

[NOTICE]

This
Afternoon
SE 9kt
1-2ft
High: 85 °F
Tonight

E 9kt
2ft
Low: 82 °F
Tuesday

ESE 10kt
2ft
High: 85 °F
Tuesday
Night
E 8kt
2ft
Low: 82 °F
Wednesday

ESE 6kt
2ft
High: 85 °F
Wednesday
Night
Light Wind
1-2ft
Low: 81 °F
Thursday

SE 6kt
2ft
High: 86 °F
Thursday
Night
Light Wind
2ft
Low: 80 °F
Friday

SE 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: 1pm EDT Sep 20, 2021-6pm EDT Sep 26, 2021

View Nearby Observations

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 7 to 9 kt. A chance of showers and thunderstorms, mainly after 2pm. Seas 1 to 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 1 to 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:

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.
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.