Calm, but cold conditions move into eastern, southern U.S. behind storm
The late-season winter storm that brought snow and ice to parts of the eastern and southern U.S. has moved offshore and in its wake high pressure and arctic air will settle in. Temperatures will be 10-30 degrees below normal on Friday across these regions. Meanwhile, light snow showers are possible across parts of the Upper Midwest and Great Lakes.
10NM W Florida Bay FL
Marine Point Forecast [NOTICE]
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.
- SynopsisA COLD FRONT DRAPED ACROSS THE FLORIDA PENINSULA WILL
GRADUALLY SLIDE SOUTHEASTWARD TONIGHT...REACHING SOUTH FLORIDA AFTER
MIDNIGHT. THE FRONT WILL REMAIN IN PLACE SATURDAY BEFORE DISSOLVING
LATE SATURDAY NIGHT. A RIDGE OF HIGH PRESSURE WILL BUILD EASTWARD
FROM THE SOUTHEASTERN UNITED STATES INTO THE WESTERN ATLANTIC SUNDAY
THROUGH TUESDAY NIGHT.
THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM AS OF MARCH 6...
61 NM S OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY.
14 NM S OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS.
8 NM S OF SAND KEY LIGHT...OFF KEY WEST.
11 NM S OF LOOE KEY...OFF BIG PINE KEY.
12 NM S OF SOMBRERO KEY LIGHT...OFF MARATHON.
11 NM SE OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA.
11 NM SE OF MOLASSES REEF LIGHT...OFF KEY LARGO.
7 NM E OF CARYSFORT REEF LIGHT...OFF OCEAN REEF.
GULF STREAM INFORMATION COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.
- This Afternoon Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.
- Tonight NNW wind 5 to 10 kt becoming NNE after midnight. Isolated showers. Patchy fog before 1am. Seas 1 ft or less.
- Saturday NNE wind 10 to 15 kt becoming E in the afternoon. Isolated showers. Seas 1 ft or less.
- Saturday Night E wind around 10 kt. Isolated showers. Seas 1 ft or less.
- Sunday E wind 10 to 15 kt. Isolated showers. Seas 1 ft or less.
- Sunday Night ESE wind 10 to 15 kt. Isolated showers. Seas 1 ft or less.
- Monday ESE wind 10 to 15 kt. Isolated showers. Seas 1 ft or less.
- Monday Night ESE wind 10 to 15 kt. Isolated showers. Seas 1 ft or less.
- Tuesday ESE wind around 10 kt. Isolated showers. Seas 1 ft or less.
This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area.
Forecast information for a larger area can be found within the zone
forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc.
These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.
HOURLY WEATHER GRAPH
NATIONAL DIGITAL FORECAST DATABASE