National Weather Service United States Department of Commerce

Unsettled weather expected across parts of New England, central Plains and West

Three separate weather systems will bring unsettled weather to various parts of the country on Wed. A coastal system is spreading snow & freezing rain into northern New England. In the central US, heavy snow is expected for parts of the central Plains & mid-Miss. Valley. Meanwhile, a system moving onshore along the Pacific Coast will bring rain and mountain snow to Calif. & the Intermountain West.
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4NM N Dry Tortugas Light FL

Marine Point Forecast [NOTICE]

Tonight

Mostly Clear

ENE 10kt
1-2ft

Low: 67 °F

Thursday

Sunny

ENE 10kt
2ft

High: 74 °F

Thursday
Night

Partly Cloudy

NE 15kt
2ft

Low: 68 °F

Friday

Mostly Sunny

ENE 10kt
2ft

High: 74 °F

Friday
Night

Partly Cloudy

ESE 10kt
2ft

Low: 69 °F

Saturday

Mostly Sunny

SE 10kt
1-2ft

High: 75 °F

Saturday
Night

Isolated Showers

Light Wind
1ft

Low: 70 °F

Sunday

Isolated Showers

Light Wind
1ft

High: 75 °F

Sunday
Night

Isolated Showers

ESE 10kt
1ft

Low: 70 °F

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 7:15 pm EST Dec 17, 2014
Forecast Valid: 9pm EST Dec 17, 2014-6pm EST Dec 24, 2014

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Detailed Forecast

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 BROAD HIGH PRESSURE AREA WILL PERSIST ACROSS THE FLORIDA KEYS TONIGHT THROUGH SUNDAY.

    THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM AS OF DECEMBER 17...

    14 NM S OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY. 3 NM S OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS. 1 NM S OF SAND KEY LIGHT...OFF KEY WEST. 2 NM S OF SOMBRERO KEY LIGHT...OFF MARATHON. 3 NM SE OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA. 1 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.
  • Tonight ENE wind around 10 kt. Mostly clear. Seas 1 to 2 ft.
  • Thursday ENE wind around 10 kt. Sunny. Seas around 2 ft.
  • Thursday Night NE wind 10 to 15 kt. Partly cloudy. Seas around 2 ft.
  • Friday ENE wind around 10 kt. Mostly sunny. Seas around 2 ft.
  • Friday Night ESE wind around 10 kt. Partly cloudy. Seas around 2 ft.
  • Saturday SE wind 5 to 10 kt. Mostly sunny. Seas 1 to 2 ft.
  • Saturday Night Variable winds 5 kt or less. Isolated showers. Seas around 1 ft.
  • Sunday Variable winds 5 kt or less. Isolated showers. Seas around 1 ft.
  • Sunday Night ESE wind 5 to 10 kt. Isolated showers. Seas around 1 ft.
*Notices:
  1. 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.
  2. 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.