Flash Flood Threat Shifts to Florida; Snowy in the Northern Plains; Fire Danger in the West

Showers and thunderstorms may produce flash flooding in northern and central Florida into Tuesday; and gusty winds and hail are also possible across the area Sunday. A strong cold front will bring below average temperatures and wintry precipitation to the northern High Plains. Elevated fire weather conditions are expected across parts of the Northwest and southern California.
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Hazardous Weather Conditions

For More Weather Information:

Miami - South Florida Local Forecast Office

2NM SW Miami Beach FL

Marine Point Forecast

[NOTICE]
  • Overnight

    Partly Cloudy

    SW 9kt

    Low: 74 °F

  • Sunday

    Mostly Sunny

    S 15kt

    High: 91 °F

  • Sunday
    Night

    Slight Chc Showers

    SSW 11kt

    Low: 77 °F

  • Monday

    Chance Thunderstorms

    S 15kt

    High: 89 °F

  • Monday
    Night

    Chance Thunderstorms

    SSW 10kt

    Low: 75 °F

  • Tuesday

    Slight Chc Thunderstorms

    S 18kt

    High: 88 °F

  • Tuesday
    Night

    Slight Chc Thunderstorms

    SSW 11kt

    Low: 75 °F

  • Wednesday

    Showers Likely

    SW 14kt

    High: 83 °F

  • Wednesday
    Night

    Showers Likely

    W 11kt

    Low: 73 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 11:46 pm EDT Apr 17, 2021
Forecast Valid: 12am EDT Apr 18, 2021-6pm EDT Apr 24, 2021

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Detailed Forecast


Synopsis: Favorable marine conditions will continue despite a weak northeasterly swell over the Atlantic waters off Palm Beach County. Cautionary headlines may be possible across portions of the Atlantic waters early next week. A cold front across central portions of the state will lead to increasing rain and thunderstorm chances. The strongest activity may produce brief heavy rainfall, which may lead to reduced visibilities. Additionally, frequent cloud-to-water lightning, gusty winds, and localized higher seas may also be possible.

.GULF STREAM HAZARDS...Increasing chances of showers and thunderstorms with gusty winds and locally higher seas will be possible through midweek.

The approximate location of the west wall of the Gulf Stream as of Apr 17, 2021 at 1200 UTC...

6 nautical miles east northeast of Fowey Rocks. 8 nautical miles east northeast of Port Everglades. 4 nautical miles southeast of Lake Worth. 8 nautical miles southeast of Jupiter Inlet.

This data courtesy of the Naval Oceanographic Office.

Overnight
SW wind around 9 kt. Partly cloudy. Bay waters a light chop.
Sunday
SW wind 9 to 15 kt becoming S in the afternoon. Mostly sunny. Bay waters a light chop.
Sunday Night
SSW wind around 11 kt. A slight chance of showers after 2am. Bay waters a light chop.
Monday
S wind 11 to 15 kt. A chance of showers and thunderstorms, mainly after 2pm. Bay waters a light chop.
Monday Night
SSW wind around 10 kt. A chance of showers and thunderstorms before 2am, then a slight chance of showers. Bay waters a light chop.
Tuesday
S wind 10 to 18 kt. A slight chance of showers, with thunderstorms also possible after 2pm. Bay waters a light chop.
Tuesday Night
SSW wind around 11 kt. A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Bay waters a light chop.
Wednesday
SW wind 11 to 14 kt. Showers and thunderstorms likely. Bay waters a light chop.
Wednesday Night
W wind 9 to 11 kt. Showers and thunderstorms likely. Bay waters a light chop.

*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: 25.78°N 80.16°W
Last Update: 11:46 pm EDT Apr 17, 2021
Forecast Valid: 12am EDT Apr 18, 2021-6pm EDT Apr 24, 2021
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