National Weather Service United States Department of Commerce

Heavy lake-effect snow continues across lower Great Lakes

Another round of heavy lake-effect snow is forecast for the Great Lakes through mid-day Friday. An additional 30 inches or more could fall in some locations, on top of the impressive amounts that have fallen already. This will result in very difficult or nearly impossible travel at times in the heaviest snow bands. The snow should taper off during the morning on Friday.
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Hazardous Weather Conditions

Last Update: 821 PM EST THU NOV 20 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.

...SMALL CRAFT OPERATORS EXERCISE CAUTION...

  • SynopsisHIGH PRESSURE CENTERED NORTH OF THE REGION WILL SLOWLY MOVE EAST INTO THE ATLANTIC BY THE START OF NEXT WEEK. THE PRESSURE DIFFERENCE BETWEEN THIS FEATURE AND LOW-PRESSURE TROUGH OVER THE FLORIDA STRAITS WILL BRING MODERATE TO STRONG NORTHEAST WINDS THROUGH THE WEEKEND...ALONG WITH THE POTENTIAL FOR HAZARDOUS SEAS. A SMALL CRAFT ADVISORY IS IN EFFECT FOR ATLANTIC WATERS INTO SATURDAY MORNING...AND HAZARDOUS MARINE CONDITIONS MAY PERSIST BEYOND THAT.

    .GULF STREAM HAZARDS...8 FEET THROUGH FRIDAY NIGHT.

    THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF NOV 19, 2014 AT 1200 UTC...

    2 NAUTICAL MILES NORTH NORTHEAST OF FOWEY ROCKS. 6 NAUTICAL MILES EAST SOUTHEAST OF PORT EVERGLADES. 10 NAUTICAL MILES NORTH NORTHEAST OF LAKE WORTH. 7 NAUTICAL MILES EAST SOUTHEAST OF JUPITER INLET.

    THIS DATA COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.
  • Rest Of Tonight Northeast winds 10 to 15 knots with gusts to around 25 knots nearshore and north northeast 15 to 20 knots offshore. Seas less than 2 feet nearshore and 2 to 4 feet with occasional seas to 5 feet offshore. Dominant period 3 seconds. Bay and inland waters a moderate chop.
  • Friday Northeast winds 15 to 20 knots with gusts to around 30 knots. Seas around 2 feet nearshore and 2 to 4 feet with occasional seas to 5 feet offshore. Dominant period 3 seconds. Bay and inland waters a moderate chop. A slight chance of showers in the afternoon.
  • Friday Night East northeast winds 15 to 20 knots nearshore and east northeast 20 to 25 knots offshore. Seas around 2 feet nearshore and 2 to 4 feet with occasional seas to 5 feet offshore. Dominant period 3 seconds. Bay and inland waters a moderate chop.
  • Saturday East winds 15 to 20 knots. Seas less than 2 feet nearshore and 2 to 3 feet offshore. Dominant period 3 seconds. Bay and inland waters a moderate chop. A chance of showers through the day.
  • Saturday Night East southeast winds 10 to 15 knots nearshore and east southeast 15 to 20 knots offshore. Seas around 2 feet nearshore and 2 to 4 feet with occasional seas to 5 feet offshore. Bay and inland waters a moderate chop. A slight chance of showers in the evening.
  • Sunday South southeast winds around 15 knots nearshore and south southeast 15 to 20 knots offshore. Seas around 2 feet nearshore and 2 to 4 feet with occasional seas to 5 feet offshore. Bay and inland waters a moderate chop.
  • Sunday Night South southeast winds around 10 knots. Seas around 2 feet. Bay and inland waters a light chop.
  • Monday South winds 5 to 10 knots. Seas around 2 feet. Bay and inland waters a light chop.
  • Monday Night South southeast winds 5 to 10 knots. Seas around 2 feet. Bay and inland waters a light chop. A chance of showers.
  • Tuesday Nearshore...south southwest winds 5 to 10 knots. Offshore...south winds around 10 knots becoming southwest in the evening. Seas around 2 feet. Bay and inland waters a light chop. A chance of showers.



Additional Forecasts and Information

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