Heavy lake-effect snow continues across lower Great Lakes
Another round of heavy lake-effect snow is forecast for the Great Lakes through mid-day Friday. An additional 30 inches or more could fall in some locations, on top of the impressive amounts that have fallen already. This will result in very difficult or nearly impossible travel at times in the heaviest snow bands. The snow should taper off during the morning on Friday.
Hazardous Weather Conditions
6NM 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.
- SynopsisSTRONG NORTHEAST BREEZES WILL BLOW TODAY AND TONIGHT...
BETWEEN AN EXPANSIVE HIGH PRESSURE SYSTEM CENTERED OVER THE EASTERN
UNITED STATES AND A SLOWLY-MOVING WARM FRONT OVER THE STRAITS OF
FLORIDA. THE HIGH PRESSURE SYSTEM WILL MOVE EASTWARD TODAY THROUGH
FRIDAY...REACHING THE WESTERN NORTH ATLANTIC SATURDAY AND SUNDAY.
FRESH TO STRONG BREEZES WILL PERSIST THROUGH SATURDAY NIGHT...WITH
SLACKENING BREEZES SUNDAY THROUGH TUESDAY.
THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM AS OF NOVEMBER
67 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY.
34 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS.
17 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST.
8 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY.
6 NM SOUTH OF SOMBRERO KEY LIGHT...OFF MARATHON.
LESS THAN 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 NE wind 20 to 25 kt. Periods of rain. Seas 1 ft or less.
- Tonight ENE wind 20 to 25 kt. Scattered showers. Seas 1 ft or less.
- Saturday E wind around 20 kt. Scattered showers and thunderstorms. Seas 1 ft or less.
- Saturday Night ESE wind around 15 kt. Scattered showers and thunderstorms. Seas 1 ft or less.
- Sunday SE wind 10 to 15 kt. Isolated showers. Seas 1 ft or less.
- Sunday Night SSE wind around 10 kt. Isolated showers. Seas 1 ft or less.
- Monday S wind 5 to 10 kt. Isolated showers. Seas 1 ft or less.
- Monday Night ESE wind 5 to 10 kt. Isolated showers. Seas 1 ft or less.
- Tuesday SE 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