Unsettled weather in store for eastern U.S. into weekend
A complex weather system moving across the eastern U.S. will bring a variety of hazardous weather to the region into the weekend. Much colder weather is expected by Saturday, along with numerous showers and accumulating snow in the higher elevations of the Appalachians. Rain and snow will move into northern New England on Sunday.
Hazardous Weather Conditions
5NM N Dry Tortugas Light 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 WILL PROGRESS SOUTHWARD ACROSS THE KEYS
THIS EVENING...FOLLOWED BY THE PASSAGE OF A SECONDARY COLD FRONT
SATURDAY AFTERNOON. A STRONG HIGH PRESSURE SYSTEM WILL BUILD ACROSS
THE FLORIDA PENINSULA LATE THIS WEEKEND INTO EARLY NEXT WEEK.
THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM CURRENT...AS OF
53 NM S OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY.
19 NM S OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS.
8 NM S OF SAND KEY LIGHT...OFF KEY WEST.
4 NM S OF LOOE KEY...OFF BIG PINE KEY.
2 NM S OF SOMBRERO KEY LIGHT...OFF MARATHON.
0 NM SE OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA.
0 NM SE OF MOLASSES REEF LIGHT...OFF KEY LARGO.
0 NM E OF CARYSFORT REEF LIGHT...OFF OCEAN REEF.
GULF STREAM INFORMATION COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.
- Tonight NNW wind around 15 kt. Mostly clear. Seas 3 to 4 ft.
- Saturday NNW wind 20 to 25 kt. Mostly sunny. Seas 5 to 7 ft.
- Saturday Night NNW wind 20 to 25 kt. Mostly clear. Seas 7 to 8 ft.
- Sunday NNE wind around 20 kt. Sunny. Seas 6 to 7 ft.
- Sunday Night NE wind 15 to 20 kt. Partly cloudy. Seas around 5 ft.
- Monday ENE wind 20 to 25 kt. Isolated showers. Seas around 6 ft.
- Monday Night ENE wind around 25 kt. Isolated showers. Seas 6 to 7 ft.
- Tuesday ENE wind around 25 kt. Isolated showers. Seas 5 to 6 ft.
- Tuesday Night E wind around 25 kt. Isolated showers. Seas around 5 ft.
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