Storms Moving Through the Pacific Northwest, Northern Plains and Great Lakes
A series of storm systems will continue bring heavy snowfall to much of the Inter-mountain West through the weekend. Snow will also continue in the northern Plains and spread into the Great Lakes and Northeast States by Sunday. Heavy lake-effect snow will continue today before tapering off by Sunday.
Hazardous Weather Conditions
Small Craft Advisory
High and low forecast temperature values represent air temperature.
Last Update: 6:15 pm EST Dec 10, 2016
Forecast Valid: 8pm EST Dec 10, 2016-6pm EST Dec 17, 2016
THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM AS OF DECEMBER TENTH...
22 NM S OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY. 12 NM S OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS. 7 NM S OF SAND KEY LIGHT...OFF KEY WEST. 7 NM S OF LOOE KEY...OFF BIG PINE KEY. 8 NM S OF SOMBRERO KEY LIGHT...OFF MARATHON. 9 NM SE OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA. 7 NM SE OF MOLASSES REEF LIGHT...OFF KEY LARGO. 4 NM E OF CARYSFORT REEF LIGHT...OFF OCEAN REEF.
GULF STREAM INFORMATION COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.
- 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.