PDA Weather/Marine Page URL: mobile.weather.gov
Hazardous marine condition(s):
Hazardous Weather Outlook
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. GMZ005-220830- SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS- 1030 PM EDT TUE MAY 21 2013 .SYNOPSIS...AN ATLANTIC RIDGE OF HIGH PRESSURE WILL EXTEND ACROSS NORTH FLORIDA TONIGHT AND WEDNESDAY MORNING...BEFORE RETREATING EASTWARD WEDNESDAY AFTERNOON. A WEAK PRESSURE PATTERN WILL PREVAIL WEDNESDAY NIGHT THROUGH THURSDAY NIGHT. A LARGE AREA OF HIGH PRESSURE OVER THE OHIO VALLEY WILL BUILD SOUTHWARD DOWN THE FLORIDA PENINSULA FRIDAY THROUGH SUNDAY. THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM CURRENT...AS OF MAY 20TH... 36 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY. 17 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS. 9 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST. 27 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY. 34 NM SOUTH OF SOMBRERO KEY LIGHT...OFF MARATHON. 8 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA. 3 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. $$
SEAS ARE GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. GMZ033-034-220830- GULF WATERS FROM EAST CAPE SABLE TO CHOKOLOSKEE 20 TO 60 NM OUT AND BEYOND 5 FATHOMS- GULF OF MEXICO INCLUDING DRY TORTUGAS AND REBECCA SHOAL CHANNEL- 1030 PM EDT TUE MAY 21 2013 OVERNIGHT SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. WINDS AND SEAS HIGHER NEAR SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS MAINLY EARLY. WEDNESDAY SOUTHEAST WINDS NEAR 10 KNOTS...BECOMING VARIABLE AND DECREASING TO 5 TO 10 KNOTS BY NOON. SEAS AROUND 2 FEET...SUBSIDING TO AROUND 1 FOOT. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS. WEDNESDAY NIGHT THROUGH THURSDAY NIGHT VARIABLE WINDS 5 TO 10 KNOTS. SEAS AROUND 1 FOOT. ISOLATED SHOWERS. FRIDAY NORTHWEST TO NORTH WINDS NEAR 10 KNOTS. SEAS 1 TO 2 FEET. ISOLATED SHOWERS AND THUNDERSTORMS. FRIDAY NIGHT NORTHWEST TO NORTH WINDS NEAR 10 KNOTS...BECOMING NORTHEAST AFTER MIDNIGHT. SEAS AROUND 2 FEET. ISOLATED SHOWERS AND THUNDERSTORMS. SATURDAY NORTHEAST WINDS NEAR 10 KNOTS...INCREASING TO 15 TO 20 KNOTS IN THE AFTERNOON. SEAS AROUND 2 FEET...BUILDING TO 2 TO 4 FEET. ISOLATED SHOWERS AND THUNDERSTORMS. SATURDAY NIGHT NORTHEAST TO EAST WINDS NEAR 20 KNOTS. SEAS 3 TO 5 FEET. ISOLATED SHOWERS AND THUNDERSTORMS. SUNDAY NORTHEAST TO EAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET. ISOLATED SHOWERS AND THUNDERSTORMS. SUNDAY NIGHT NORTHEAST TO EAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS. $$
