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 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.        GMZ005-212145-  SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS  1037 AM EST SAT JAN 21 2017      .SYNOPSIS...AN AREA OF HIGH PRESSURE NEAR THE BAHAMAS WILL MOVE  EASTWARD TODAY AND TONIGHT. A STRONG FRONT WILL PROGRESS RAPIDLY  EASTWARD ACROSS THE GULF OF MEXICO SUNDAY...BEFORE SWEEPING  THROUGH THE FLORIDA KEYS SUNDAY NIGHT. SOUTHERLY BREEZES WILL  FRESHEN TODAY THROUGH SUNDAY. HAZARDOUS MARINE CONDITIONS  EXPECTED SUNDAY NIGHT INTO MONDAY NIGHT.    THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM CURRENT...AS OF  JANUARY 19TH...    31 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY.  10 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS.  21 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST.  22 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY.  8 NM SOUTH OF SOMBRERO KEY LIGHT...OFF MARATHON.  8 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA.  7 NM SOUTHEAST OF MOLASSES REEF LIGHT...OFF KEY LARGO.  6 NM EAST OF CARYSFORT REEF LIGHT...OFF OCEAN REEF.    GULF STREAM INFORMATION COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.    $$
 SEAS ARE GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE  HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE  MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.        GMZ052>055-072>075-212145-  STRAITS OF FLORIDA FROM OCEAN REEF TO CRAIG KEY OUT 20 NM-  STRAITS OF FLORIDA FROM CRAIG KEY TO WEST END OF SEVEN MILE  BRIDGE OUT 20 NM-  STRAITS OF FLORIDA FROM WEST END OF SEVEN MILE BRIDGE TO SOUTH OF  HALFMOON SHOAL OUT 20 NM-  STRAITS OF FLORIDA FROM HALFMOON SHOAL TO 20 NM WEST OF DRY  TORTUGAS OUT 20 NM-  STRAITS OF FLORIDA FROM OCEAN REEF TO CRAIG KEY 20 TO 60 NM OUT-  STRAITS OF FLORIDA FROM CRAIG KEY TO WEST END OF SEVEN MILE  BRIDGE 20 TO 60 NM OUT-  STRAITS OF FLORIDA FROM WEST END OF SEVEN MILE BRIDGE TO SOUTH OF  HALFMOON SHOAL 20 TO 60 NM OUT-  STRAITS OF FLORIDA FROM HALFMOON SHOAL TO 20 NM WEST OF DRY  TORTUGAS 20 TO 60 NM OUT-  1037 AM EST SAT JAN 21 2017    THIS AFTERNOON  SOUTHEAST TO SOUTH WINDS NEAR 15 KNOTS. SEAS 2  TO 4 FEET.  TONIGHT  SOUTHEAST TO SOUTH WINDS 10 TO 15 KNOTS INCREASING TO  SOUTH NEAR 20 KNOTS AFTER MIDNIGHT. SEAS 2 TO 4 FEET. ISOLATED  SHOWERS.  SUNDAY  SOUTH TO SOUTHWEST WINDS NEAR 20 KNOTS. SEAS 4 TO  6 FEET. ISOLATED SHOWERS.  SUNDAY NIGHT  WEST WINDS 25 TO 30 KNOTS. SEAS 5 TO 7 FEET  BUILDING TO 6 TO 10 FEET AFTER MIDNIGHT. SHOWERS AND SCATTERED  THUNDERSTORMS.  MONDAY  WEST TO NORTHWEST WINDS 25 TO 30 KNOTS. SEAS 9 TO  11 FEET. ISOLATED THUNDERSTORMS IN THE MORNING. SCATTERED  SHOWERS.  MONDAY NIGHT  NORTHWEST WINDS 20 TO 25 KNOTS. SEAS 10 TO  14 FEET.  TUESDAY  NORTHWEST TO NORTH WINDS 15 TO 20 KNOTS DECREASING TO  NORTH NEAR 10 KNOTS LATE IN THE AFTERNOON. SEAS 6 TO 10 FEET  SUBSIDING TO 5 TO 7 FEET IN THE AFTERNOON.  TUESDAY NIGHT  NORTH WINDS NEAR 10 KNOTS BECOMING EAST IN THE  LATE EVENING AND OVERNIGHT. SEAS 4 TO 6 FEET.  WEDNESDAY AND WEDNESDAY NIGHT  SOUTHEAST WINDS 10 TO 15 KNOTS.  SEAS 2 TO 3 FEET.    $$

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