National Weather Service United States Department of Commerce

Flash flooding possible across parts of Midwest

Showers and thunderstorms ahead of a strong cold front moving across the Midwest on Friday are expected to produce rainfall rates of 1-2 inches per hour, creating a risk of flash flooding across parts of southern Minnesota and northern and central Iowa. The flash flooding risk will continue into Saturday and move eastward, into the Ohio Valley.
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Hazardous Weather Conditions

9NM SW Florida Bay FL

Marine Point Forecast [NOTICE]

Tonight

Isolated Thunderstorms

SE 10kt
< 1ft

Low: 82 °F

Saturday

Isolated Thunderstorms

ESE 10kt
< 1ft

High: 89 °F

Saturday
Night

Isolated Thunderstorms

SE 10kt
< 1ft

Low: 83 °F

Sunday

Isolated Thunderstorms

ESE 10kt
< 1ft

High: 89 °F

Sunday
Night

Isolated Thunderstorms

ESE 10kt
< 1ft

Low: 82 °F

Monday

Scattered Thunderstorms

Light Wind
< 1ft

High: 88 °F

Monday
Night

Scattered Thunderstorms

Light Wind
< 1ft

Low: 81 °F

Tuesday

Scattered Thunderstorms

Light Wind
< 1ft

High: 89 °F

Tuesday
Night

Scattered Showers

Light Wind
< 1ft

Low: 81 °F

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:15 pm EDT Jul 25, 2014
Forecast Valid: 6pm EDT Jul 25, 2014-6pm EDT Aug 1, 2014

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Detailed Forecast

SEAS ARE GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.

  • SynopsisA RIDGE OF HIGH PRESSURE WILL OSCILLATE JUST NORTH OF THE FLORIDA KEYS THIS WEEKEND. A TROUGH OF LOW PRESSURE WILL MOVE THROUGH ALL COASTAL WATERS MONDAY AND TUESDAY...BEFORE ANOTHER RIDGE SETTLES NEAR THE KEYS BY MID WEEK.

    THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM CURRENT...AS OF JULY TWENTY-FIFTH...

    37 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY. 23 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS. 14 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST. 28 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY. 29 NM SOUTH OF SOMBRERO KEY LIGHT...OFF MARATHON. 12 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA. 16 NM SOUTHEAST OF MOLASSES REEF LIGHT...OFF KEY LARGO. 7 NM EAST OF CARYSFORT REEF LIGHT...OFF OCEAN REEF.

    GULF STREAM INFORMATION COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.
  • Tonight SE wind around 10 kt. Isolated showers and thunderstorms. Seas 1 ft or less.
  • Saturday ESE wind around 10 kt. Isolated showers and thunderstorms. Seas 1 ft or less.
  • Saturday Night SE wind around 10 kt. Isolated showers and thunderstorms. Seas 1 ft or less.
  • Sunday ESE wind 5 to 10 kt. Isolated showers and thunderstorms. Seas 1 ft or less.
  • Sunday Night ESE wind 5 to 10 kt. Isolated showers and thunderstorms. Seas 1 ft or less.
  • Monday Variable winds 5 kt or less. Scattered showers and thunderstorms. Seas 1 ft or less.
  • Monday Night Variable winds 5 kt or less. Scattered showers and thunderstorms. Seas 1 ft or less.
  • Tuesday Variable winds 5 kt or less. Scattered showers and thunderstorms. Seas 1 ft or less.
  • Tuesday Night Variable winds 5 kt or less. Scattered showers and thunderstorms. Seas 1 ft or less.
*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.