weather.gov     
National Weather Service

NWS Marine Forecast
NWS Homepage
  Cell Phone Weather/Marine Page URL: cell.weather.gov
  PDA Weather/Marine Page URL: mobile.weather.gov


 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.        GMZ005-230230-  SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS  424 PM EDT WED MAR 22 2017      .SYNOPSIS...A TROUGH OF LOW PRESSURE WILL PROGRESS SOUTHWARD DOWN  THE FLORIDA PENINSULA TONIGHT AND THURSDAY. THIS TROUGH OF LOW  PRESSURE SHOULD PASS THROUGH THE FLORIDA KEYS THURSDAY NIGHT. AN  ATLANTIC RIDGE OF HIGH PRESSURE WILL EXTEND ACROSS THE  SOUTHEASTERN UNITED STATES AND PRESS SOUTHWARD FRIDAY THROUGH  THIS WEEKEND.    THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM CURRENT...AS OF  MARCH TWENTY-FIRST...    42 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY.  26 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS.  21 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST.  21 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY.  20 NM SOUTH OF SOMBRERO KEY LIGHT...OFF MARATHON.  12 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA.  11 NM SOUTHEAST OF MOLASSES REEF LIGHT...OFF KEY LARGO.  9 NM EAST OF CARYSFORT REEF LIGHT...OFF OCEAN REEF.    GULF STREAM INFORMATION COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.    $$
 SEAS ARE GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE  HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE  MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.        GMZ052>055-072>075-230230-  STRAITS OF FLORIDA FROM OCEAN REEF TO CRAIG KEY OUT 20 NM-  STRAITS OF FLORIDA FROM CRAIG KEY TO WEST END OF SEVEN MILE  BRIDGE OUT 20 NM-  STRAITS OF FLORIDA FROM WEST END OF SEVEN MILE BRIDGE TO SOUTH OF  HALFMOON SHOAL OUT 20 NM-  STRAITS OF FLORIDA FROM HALFMOON SHOAL TO 20 NM WEST OF DRY  TORTUGAS OUT 20 NM-  STRAITS OF FLORIDA FROM OCEAN REEF TO CRAIG KEY 20 TO 60 NM OUT-  STRAITS OF FLORIDA FROM CRAIG KEY TO WEST END OF SEVEN MILE  BRIDGE 20 TO 60 NM OUT-  STRAITS OF FLORIDA FROM WEST END OF SEVEN MILE BRIDGE TO SOUTH OF  HALFMOON SHOAL 20 TO 60 NM OUT-  STRAITS OF FLORIDA FROM HALFMOON SHOAL TO 20 NM WEST OF DRY  TORTUGAS 20 TO 60 NM OUT-  424 PM EDT WED MAR 22 2017    TONIGHT  MOSTLY NORTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET.  THURSDAY  NORTH WINDS 10 TO 15 KNOTS...BECOMING NORTHEAST AND  INCREASING TO 15 TO 20 KNOTS IN THE AFTERNOON. SEAS 2 TO 4  FEET...BUILDING TO 4 TO 6 FEET. SCATTERED SHOWERS AND ISOLATED  THUNDERSTORMS IN THE AFTERNOON.  THURSDAY NIGHT  NORTHEAST TO EAST WINDS NEAR 20  KNOTS...INCREASING TO 20 TO 25 KNOTS BY MIDNIGHT. SEAS 5 TO 7  FEET. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.  FRIDAY  NORTHEAST TO EAST WINDS 20 TO 25 KNOTS. SEAS 6 TO 8  FEET. SCATTERED SHOWERS.  FRIDAY NIGHT  EAST WINDS 20 TO 25 KNOTS. SEAS 6 TO 8 FEET.  SCATTERED SHOWERS.  SATURDAY  EAST WINDS NEAR 20 KNOTS. SEAS 5 TO 7 FEET. ISOLATED  SHOWERS.  SATURDAY NIGHT THROUGH MONDAY  EAST WINDS 15 TO 20 KNOTS. SEAS  4 TO 6 FEET. ISOLATED SHOWERS.  MONDAY NIGHT  EAST WINDS NEAR 15 KNOTS. SEAS 3 TO 5 FEET.  ISOLATED SHOWERS.    $$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: Mar 4, 2014
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE