Southwest Monsoon Flooding

Monsoonal conditions in the Southwest will lead to threats of flash flooding through the weekend. Severe thunderstorms will be possible through Friday night in the northern tier of the country and Saturday afternoon in the vicinity of the Southern Great Lakes. Warm conditions have prompted Heat Advisories for portions of the Midwest and ArkLaMiss this weekend.
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For More Weather Information:

Miami - South Florida Local Forecast Office

3NM NW Miami Beach FL

Marine Point Forecast

[NOTICE]
  • Overnight

    Chance Thunderstorms

    Light Wind

    Low: 78 °F

  • Saturday

    Thunderstorms Likely

    Winds IncreasingSSW 8kt

    High: 89 °F

  • Saturday
    Night

    Showers Likely

    Light Wind

    Low: 77 °F

  • Sunday

    Thunderstorms Likely

    Winds IncreasingSSE 8kt

    High: 88 °F

  • Sunday
    Night

    Thunderstorms Likely

    Light Wind

    Low: 78 °F

  • Monday

    Thunderstorms

    Winds IncreasingSE 9kt

    High: 89 °F

  • Monday
    Night

    Thunderstorms Likely

    SE 7kt

    Low: 77 °F

  • Tuesday

    Thunderstorms Likely

    SSE 8kt

    High: 89 °F

  • Tuesday
    Night

    Thunderstorms Likely

    Light Wind

    Low: 78 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:46 am EDT Jul 24, 2021
Forecast Valid: 3am EDT Jul 24, 2021-6pm EDT Jul 30, 2021

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Detailed Forecast


Synopsis: A rather light southerly flow will continue across the local waters into the first part of the weekend as a frontal boundary approaches from the north. It is possible that some northerly swell will move into the Atlantic waters early next week in response to an area of low pressure over the southwest Atlantic. Shower and thunderstorm chances will increase through the weekend.

.GULF STREAM HAZARDS...Winds and waves could be locally higher in and around any shower or thunderstorm.

The approximate location of the west wall of the Gulf Stream as of Jul 22, 2021 at 1200 UTC...

29 nautical miles east of Fowey Rocks. 31 nautical miles east northeast of Port Everglades. 19 nautical miles east southeast of Lake Worth. 25 nautical miles east of Jupiter Inlet.

This data courtesy of the Naval Oceanographic Office.

Overnight
Variable winds 5 kt or less. A chance of showers and thunderstorms. Bay waters smooth.
Saturday
Variable winds less than 5 kt becoming SSW 5 to 8 kt in the morning. A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 8am, then showers and thunderstorms likely after 8am. Bay waters smooth.
Saturday Night
Variable winds 5 kt or less. Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Bay waters smooth.
Sunday
Variable winds less than 5 kt becoming SSE 5 to 8 kt in the afternoon. A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then showers and thunderstorms likely after 2pm. Bay waters smooth.
Sunday Night
Variable winds 5 kt or less. Showers and thunderstorms likely, mainly before 8pm, then showers likely and possibly a thunderstorm after 2am. Bay waters smooth.
Monday
Variable winds less than 5 kt becoming SE 5 to 9 kt in the morning. Showers and possibly a thunderstorm. Bay waters smooth becoming a light chop.
Monday Night
SE wind 5 to 7 kt. Showers and thunderstorms likely, mainly before 8pm. Bay waters smooth.
Tuesday
SSE wind 5 to 8 kt. Showers and thunderstorms likely. Bay waters smooth.
Tuesday Night
Variable winds 5 kt or less. Showers and thunderstorms likely. Bay 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: 25.85°N 80.18°W
Last Update: 1:46 am EDT Jul 24, 2021
Forecast Valid: 3am EDT Jul 24, 2021-6pm EDT Jul 30, 2021
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