Powerful snowstorm, including blizzard conditions, forecast in parts of the Northeast Monday into Tuesday
The clipper system bringing snow to the Ohio Valley and mid-Atlantic Sunday and Monday will transition to a strong nor'easter Monday into Tuesday. Heavy snow and strong wind, even blizzard conditions, are possible in parts of the northern mid-Atlantic and New England. A Blizzard Watch is in effect from coastal New Jersey to Massachusetts. Winter Storm Watches stretch from Delaware to Maine.
Hazardous Weather Conditions
4NM 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 RIDGE OF HIGH PRESSURE WILL STRETCH ACROSS THE COASTAL
WATERS OF THE FLORIDA KEYS THIS AFTERNOON...CULMINATING IN LIGHT TO
GENTLE BREEZES THIS EVENING. A REINFORCING COLD FRONT WILL APPROACH
THE FLORIDA KEYS TONIGHT AND MONDAY...RESULTING IN FRESHENING
WESTERLY BREEZES. A PERIOD OF STRONG WEST TO NORTHWEST BREEZES ARE
LIKELY MONDAY AFTERNOON THROUGH MONDAY NIGHT IN THE WAKE OF THE
FRONT. THEREAFTER...HIGH PRESSURE WILL BUILD INTO THE WESTERN NORTH
THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM AS OF JANUARY
30 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY.
7 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS.
8 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST.
5 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY.
LESS THAN 1 NM SOUTH OF SOMBRERO KEY LIGHT...OFF MARATHON.
1 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA.
1 NM SOUTHEAST OF MOLASSES REEF LIGHT...OFF KEY LARGO.
1 NM EAST OF CARYSFORT REEF LIGHT...OFF OCEAN REEF.
GULF STREAM INFORMATION COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.
- This Afternoon Variable winds 5 kt or less. Sunny. Seas 4 to 5 ft.
- Tonight W wind 5 to 10 kt increasing to 15 to 20 kt after midnight. Mostly clear. Seas 3 to 4 ft.
- Monday W wind 20 to 25 kt becoming NW in the afternoon. Isolated showers. Seas 4 ft building to 8 ft.
- Monday Night NW wind 20 to 25 kt. Partly cloudy. Seas 7 to 8 ft.
- Tuesday NNW wind 10 to 15 kt. Sunny. Seas 5 to 6 ft.
- Tuesday Night NW wind around 15 kt. Mostly clear. Seas around 5 ft.
- Wednesday NNE wind around 15 kt. Sunny. Seas around 5 ft.
- Wednesday Night NNE wind 10 to 15 kt becoming ENE after midnight. Mostly clear. Seas 4 to 5 ft.
- Thursday E wind 10 to 15 kt. Mostly sunny. Seas 3 to 4 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