National Weather Service United States Department of Commerce

Calm, but cold conditions move into eastern, southern U.S. behind storm

The late-season winter storm that brought snow and ice to parts of the eastern and southern U.S. has moved offshore and in its wake high pressure and arctic air will settle in. Temperatures will be 10-30 degrees below normal on Friday across these regions. Meanwhile, light snow showers are possible across parts of the Upper Midwest and Great Lakes.
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10NM W Florida Bay FL

Marine Point Forecast [NOTICE]

This
Afternoon

Mostly Sunny

Light Wind
< 1ft

High: 80 °F

Tonight

Isolated Showers

NNW 10kt
< 1ft

Low: 72 °F

Saturday

Isolated Showers

NNE 15kt
< 1ft

High: 79 °F

Saturday
Night

Isolated Showers

E 10kt
< 1ft

Low: 74 °F

Sunday

Isolated Showers

E 15kt
< 1ft

High: 80 °F

Sunday
Night

Isolated Showers

ESE 15kt
< 1ft

Low: 75 °F

Monday

Isolated Showers

ESE 15kt
< 1ft

High: 80 °F

Monday
Night

Isolated Showers

ESE 15kt
< 1ft

Low: 75 °F

Tuesday

Isolated Showers

ESE 10kt
< 1ft

High: 80 °F

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:15 pm EST Mar 6, 2015
Forecast Valid: 1pm EST Mar 6, 2015-6pm EDT Mar 12, 2015

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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 COLD FRONT DRAPED ACROSS THE FLORIDA PENINSULA WILL GRADUALLY SLIDE SOUTHEASTWARD TONIGHT...REACHING SOUTH FLORIDA AFTER MIDNIGHT. THE FRONT WILL REMAIN IN PLACE SATURDAY BEFORE DISSOLVING LATE SATURDAY NIGHT. A RIDGE OF HIGH PRESSURE WILL BUILD EASTWARD FROM THE SOUTHEASTERN UNITED STATES INTO THE WESTERN ATLANTIC SUNDAY THROUGH TUESDAY NIGHT.

    THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM AS OF MARCH 6...

    61 NM S OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY. 14 NM S OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS. 8 NM S OF SAND KEY LIGHT...OFF KEY WEST. 11 NM S OF LOOE KEY...OFF BIG PINE KEY. 12 NM S OF SOMBRERO KEY LIGHT...OFF MARATHON. 11 NM SE OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA. 11 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.
  • This Afternoon Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.
  • Tonight NNW wind 5 to 10 kt becoming NNE after midnight. Isolated showers. Patchy fog before 1am. Seas 1 ft or less.
  • Saturday NNE wind 10 to 15 kt becoming E in the afternoon. Isolated showers. Seas 1 ft or less.
  • Saturday Night E wind around 10 kt. Isolated showers. Seas 1 ft or less.
  • Sunday E wind 10 to 15 kt. Isolated showers. Seas 1 ft or less.
  • Sunday Night ESE wind 10 to 15 kt. Isolated showers. Seas 1 ft or less.
  • Monday ESE wind 10 to 15 kt. Isolated showers. Seas 1 ft or less.
  • Monday Night ESE wind 10 to 15 kt. Isolated showers. Seas 1 ft or less.
  • Tuesday ESE wind around 10 kt. Isolated showers. 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.