National Weather Service United States Department of Commerce

Unseasonably cold temperatures spreading into central U.S.

A strong cold front will usher a much colder air mass into the central and eastern U.S. for the end of the work week. Temperatures will be 10 to 20 degrees below average in some areas. Rain and snow will be possible across the Great Lakes on Friday as the system crosses the area. Heavy snow is possible in the central Appalachians Friday night.
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Last Update: 936 PM EDT THU OCT 30 2014

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Coastal waters from Chokoloskee to Bonita Beach FL out 20 NM

Marine Zone Forecast

SEAS ARE PROVIDED AS A RANGE OF THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES...ALONG WITH THE OCCASIONAL HEIGHT OF THE AVERAGE HIGHEST 10 PERCENT OF THE WAVES.


  • SynopsisA COLD FRONT WILL CROSS THE WATERS TODAY...INCREASING NORTHWEST WINDS. ANOTEHR STRONGER FRONT WILL MOVE ACROSS SATURDAY...INCREASING WINDS AND SEAS FURTHER. SMALL CRAFT ADVISORIES WILL BE WARRANTED THIS WEEKEND...AND MAY CONTINUE INTO EARLY NEXT WEEK.

    .GULF STREAM HAZARDS...NONE.

    THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF OCT 29, 2014 AT 1200 UTC...

    6 NAUTICAL MILES SOUTH SOUTHEAST OF FOWEY ROCKS. 8 NAUTICAL MILES EAST SOUTHEAST OF PORT EVERGLADES. 4 NAUTICAL MILES EAST OF LAKE WORTH. 3 NAUTICAL MILES EAST SOUTHEAST OF JUPITER INLET.

    THIS DATA COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.
  • Rest Of Tonight Northwest winds 5 to 10 knots. Seas less than 2 feet. Dominant period 3 seconds. Bay and inland waters a light chop. A slight chance of light showers late in the evening...then a chance of light showers after midnight.
  • Friday West northwest winds 10 to 15 knots. Nearshore...seas around 2 feet. Offshore...seas around 2 feet building to 2 to 4 feet with occasional seas to 5 feet in the afternoon. Dominant period 3 seconds. Bay and inland waters a moderate chop. A chance of light showers in the morning...then a slight chance of showers in the afternoon.
  • Friday Night Northwest winds 10 to 15 knots. Seas around 2 feet nearshore and 4 to 6 feet with occasional seas to 8 feet offshore. Dominant period 5 seconds. Bay and inland waters a light chop.
  • Saturday Nearshore...northwest winds 10 to 15 knots becoming around 20 knots in the afternoon...seas 2 to 4 feet with occasional seas to 5 feet. Offshore...northwest winds 20 to 25 knots...seas 6 to 8 feet with occasional seas to 10 feet building to 8 to 10 feet with occasional seas to 13 feet in the afternoon. Dominant period 6 seconds. Bay and inland waters a moderate chop.
  • Saturday Night North winds 15 to 20 knots nearshore and north northeast around 20 knots offshore. Seas 2 to 4 feet with occasional seas to 5 feet nearshore and 6 to 8 feet with occasional seas to 10 feet offshore. Bay and inland waters a moderate chop.
  • Sunday And Sunday Night North northeast winds 10 to 15 knots nearshore and northeast 15 to 20 knots offshore. Seas around 2 feet nearshore and 2 to 4 feet with occasional seas to 6 feet offshore. Bay and inland waters a moderate chop.
  • Monday Through Tuesday East northeast winds 15 to 20 knots. Seas around 2 feet nearshore and 2 to 4 feet with occasional seas to 5 feet offshore. Bay and inland waters a moderate chop.



Additional Forecasts and Information

Zone Area Forecast for Coastal waters from Chokoloskee to Bonita Beach FL out 20 NM
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