National Weather Service United States Department of Commerce

Strong storm system to bring unsettled weather from Gulf Coast to Great Lakes through Wednesday

A strong storm system will bring potential for severe weather, heavy rainfall and flooding, and heavy snow from the Gulf Coast to the Great Lakes through Wednesday. Severe storms are possible Tuesday across the Gulf Coast states with damaging winds as the primary threat, however a tornadoes cannot be ruled out. Flash flooding is also possible across parts of the Southeast through Wednesday.
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Hazardous Weather Conditions

10NM W Florida Bay FL

Marine Point Forecast [NOTICE]

Overnight

Isolated Showers

SE 15kt
< 1ft

Low: 73 °F

Tuesday

Isolated Showers

SE 20kt
< 1ft

High: 77 °F

Tuesday
Night

Isolated Showers

SE 20kt
< 1ft

Low: 73 °F

Wednesday

Scattered Showers

SSE 15kt
< 1ft

High: 78 °F

Wednesday
Night

Scattered Showers

SSE 10kt
< 1ft

Low: 73 °F

Christmas
Day

Scattered Showers

NNW 10kt
< 1ft

High: 73 °F

Thursday
Night

Isolated Showers

NNE 15kt
< 1ft

Low: 65 °F

Friday

Isolated Showers

NE 15kt
< 1ft

High: 74 °F

Friday
Night

Isolated Showers

ENE 15kt
< 1ft

Low: 70 °F

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 11:15 pm EST Dec 22, 2014
Forecast Valid: 12am EST Dec 23, 2014-6pm EST Dec 29, 2014

View Nearby Observations

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 WEAK HIGH PRESSURE SYSTEM JUST EAST OF THE FLORIDA PENINSULA WILL REMAIN NEARLY STATIONARY EARLY TUESDAY. LOCAL BREEZES WILL FRESHEN LATE TONIGHT AND TUESDAY AS A LOW PRESSURE SYSTEM INTENSIFIES ALONG THE NORTHERN GULF COAST. A COLD FRONT WILL MOVE QUICKLY EASTWARD ACROSS THE GULF OF MEXICO TUESDAY NIGHT...BEFORE PASSING THROUGH SOUTHERN FLORIDA LATE WEDNESDAY OR EARLY THURSDAY. AN AREA OF HIGH PRESSURE THEN WILL BUILD EASTWARD ACROSS THE NORTHERN GULF OF MEXICO THURSDAY NIGHT.

    THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM AS OF DECEMBER 22...

    24 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY. 12 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS. 8 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST. 1 NM SOUTH OF LOOE KEY LIGHT...OFF BIG PINE KEY. LESS THAN 1 NM SOUTH OF SOMBRERO KEY LIGHT...OFF MARATHON. 6 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA. 1 NM SOUTHEAST OF MOLASSES REEF LIGHT...OFF KEY LARGO. 5 NM EAST OF CARYSFORT REEF LIGHT...OFF OCEAN REEF.

    GULF STREAM INFORMATION COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.
  • Overnight SE wind 10 to 15 kt. Isolated showers. Seas 1 ft or less.
  • Tuesday SE wind 15 to 20 kt. Isolated showers. Seas 1 ft or less.
  • Tuesday Night SE wind 15 to 20 kt. Isolated showers. Seas 1 ft or less.
  • Wednesday SSE wind around 15 kt. Scattered showers and thunderstorms. Seas 1 ft or less.
  • Wednesday Night SSE wind around 10 kt becoming W after midnight. Scattered showers and thunderstorms. Seas 1 ft or less.
  • Christmas Day NNW wind around 10 kt. Scattered showers. Seas 1 ft or less.
  • Thursday Night NNE wind 10 to 15 kt. Isolated showers. Seas 1 ft or less.
  • Friday NE wind around 15 kt. Isolated showers. Seas 1 ft or less.
  • Friday Night ENE wind 10 to 15 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.