National Weather Service United States Department of Commerce

A stalled frontal boundary and ample monsoonal moisture will lead to flash flood potential from the Great Basin to the Great Plains tonight and Tuesday

A stalled frontal boundary will set up along the southern and central Rockies for the next couple of days providing focus for showers and thunderstorms. In addition, ample monsoonal moisture will stream in across the southwest bringing enough moisture to introduce a flash flood threat from the Great Basin and Southwest eastward across the central and southern Rockies into the adjacent Plains.
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Hazardous Weather Conditions

9NM SW Florida Bay FL

Marine Point Forecast [NOTICE]

Tonight

Isolated Thunderstorms

Light Wind
< 1ft

Low: 81 °F

Tuesday

Isolated Thunderstorms

W 10kt
< 1ft

High: 88 °F

Tuesday
Night

Isolated Thunderstorms

W 10kt
< 1ft

Low: 81 °F

Wednesday

Isolated Thunderstorms

WSW 10kt
< 1ft

High: 88 °F

Wednesday
Night

Isolated Thunderstorms

WSW 10kt
< 1ft

Low: 80 °F

Thursday

Scattered Showers

SSW 10kt
< 1ft

High: 88 °F

Thursday
Night

Scattered Showers

Light Wind
< 1ft

Low: 81 °F

Friday

Scattered Showers

Light Wind
< 1ft

High: 88 °F

Friday
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: 8:15 pm EDT Jul 28, 2014
Forecast Valid: 9pm EDT Jul 28, 2014-6pm EDT Aug 4, 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 TROUGH OF LOW PRESSURE WILL MOVE SOUTHWARD DOWN THE FLORIDA PENINSULA TONIGHT BEFORE DISSOLVING JUST NORTH OF THE FLORIDA KEYS BY THURSDAY. AN ATLANTIC RIDGE OF HIGH PRESSURE WILL BUILD ACROSS FLORIDA ON SATURDAY.

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

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

    GULF STREAM INFORMATION COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.
  • Tonight Variable winds 5 kt or less. Isolated showers and thunderstorms. Seas 1 ft or less.
  • Tuesday W wind 5 to 10 kt. Isolated showers and thunderstorms. Seas 1 ft or less.
  • Tuesday Night W wind 5 to 10 kt. Isolated showers and thunderstorms. Seas 1 ft or less.
  • Wednesday WSW wind 5 to 10 kt. Isolated showers and thunderstorms. Seas 1 ft or less.
  • Wednesday Night WSW wind 5 to 10 kt. Isolated showers and thunderstorms. Seas 1 ft or less.
  • Thursday SSW wind 5 to 10 kt. Scattered showers and thunderstorms. Seas 1 ft or less.
  • Thursday Night Variable winds 5 kt or less. Scattered showers and thunderstorms. Seas 1 ft or less.
  • Friday Variable winds 5 kt or less. Scattered showers and thunderstorms. Seas 1 ft or less.
  • Friday 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.