Heavy Rain and Severe Thunderstorms Possible in the Lower Mississippi Valley & Southeast

A few severe thunderstorms are possible over Texas, the lower Mississippi Valley, and Southeast into Sunday. Locally heavy rainfall and flash flooding may also occur in these areas. Elsewhere, rain and higher elevation snow will develop from Idaho into western Montana by Sunday evening, followed by cooling temperatures and a changeover to snow for most of the northern Rockies by Monday.
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Hazardous Weather Conditions

For More Weather Information:

Miami - South Florida Local Forecast Office

9NM E South Palm Beach FL

Marine Point Forecast

[NOTICE]
  • This
    Afternoon

    Chance Showers

    ESE 16kt
    5ft

    High: 78 °F

  • Tonight

    Showers Likely

    SE 17kt
    4ft

    Low: 75 °F

  • Monday

    Chance Showers

    S 14kt
    3-4ft

    High: 79 °F

  • Monday
    Night

    Showers Likely

    SSE 15kt
    2ft

    Low: 75 °F

  • Tuesday

    Showers Likely

    S 18kt
    3ft

    High: 80 °F

  • Tuesday
    Night

    Chance Showers

    SSW 13kt
    2ft

    Low: 71 °F

  • Wednesday

    Sunny

    WNW 10kt
    2ft

    High: 82 °F

  • Wednesday
    Night

    Mostly Clear

    WSW 12kt
    1-2ft

    Low: 70 °F

  • Thursday

    Sunny

    W 9kt
    1-2ft

    High: 81 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 10:16 am EDT Apr 22, 2018
Forecast Valid: 1pm EDT Apr 22, 2018-6pm EDT Apr 28, 2018

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Detailed Forecast


Synopsis: High pressure over the mid-Atlantic and low pressure over the mid-south states will bring moderate southeasterly winds across the area today. Winds veer around to south by Monday night and southwest by late Tuesday as a front approaches. Scattered to numerous showers and isolated thunderstorms are likely over the waters through late Tuesday. Winds and waves may be locally higher near thunderstorms. Winds shift to northwest behind the front as conditions improve Wednesday.

.GULF STREAM HAZARDS...Seas near 6 feet through early this afternoon in the waters off of Palm Beach County.

The approximate location of the west wall of the Gulf Stream as of Apr 21, 2018 at 1200 UTC...

12 nautical miles east southeast of Fowey Rocks. 10 nautical miles east of Port Everglades. 8 nautical miles east southeast of Lake Worth. 11 nautical miles east of Jupiter Inlet.

This data courtesy of the Naval Oceanographic Office.

This Afternoon
ESE wind around 16 kt. A chance of showers and thunderstorms. Seas around 5 ft with occasional seas up to 6 ft. Dominant period 8 seconds. Intracoastal waters a moderate chop.
Tonight
ESE wind 15 to 17 kt becoming SSE after midnight. Showers likely and possibly a thunderstorm. Seas around 4 ft with occasional seas up to 5 ft. Dominant period 6 to 8 seconds. Intracoastal waters a moderate chop becoming a light chop.
Monday
S wind around 14 kt. A chance of showers and thunderstorms. Seas 3 to 4 ft with occasional seas up to 5 ft. Dominant period 6 seconds. Intracoastal waters a light chop.
Monday Night
SSE wind 13 to 15 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Seas around 2 ft. Dominant period 5 to 6 seconds. Intracoastal waters a light chop.
Tuesday
S wind 16 to 18 kt. Showers likely and possibly a thunderstorm. Seas around 3 ft with occasional seas up to 4 ft. Intracoastal waters a light chop.
Tuesday Night
SSW wind 9 to 13 kt. A chance of showers and thunderstorms. Seas around 2 ft. Intracoastal waters a light chop.
Wednesday
WNW wind around 10 kt. Sunny. Seas around 2 ft. Intracoastal waters a light chop.
Wednesday Night
WSW wind 8 to 12 kt. Mostly clear. Seas 1 to 2 ft. Intracoastal waters a light chop.
Thursday
W wind around 9 kt. Sunny. Seas 1 to 2 ft. Intracoastal 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: 26.62°N 79.88°W
Last Update: 10:16 am EDT Apr 22, 2018
Forecast Valid: 1pm EDT Apr 22, 2018-6pm EDT Apr 28, 2018
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