National Weather Service United States Department of Commerce

Heavy rain and mountain snow across the northwestern U.S. on Saturday

Another Pacific system will impact the West Coast today. Heavy rainfall could lead to flash flooding, river and small stream flooding as well as mudslides and debris flows, especially over burn scars. Strong winds and heavy elevation snowfall, with accumulations of 1 to 3 feet, could result in hazardous travel through mountain passes.
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2NM ESE Key West FL

Marine Point Forecast [NOTICE]

This
Afternoon

Partly Sunny

Light Wind
1ft

High: 78 °F

Tonight

Mostly Cloudy

Light Wind
1ft

Low: 71 °F

Sunday

Mostly Cloudy

ESE 10kt
1-2ft

High: 79 °F

Sunday
Night

Slight Chc Showers

ESE 10kt
1ft

Low: 72 °F

Monday

Slight Chc Showers

SE 10kt
1ft

High: 79 °F

Monday
Night

Slight Chc Showers

ESE 10kt
1ft

Low: 72 °F

Tuesday

Slight Chc Showers

SE 10kt
1-2ft

High: 80 °F

Tuesday
Night

Chance Showers

SE 10kt
2ft

Low: 75 °F

Wednesday

Chance Showers

S 10kt
2ft

High: 80 °F

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:15 pm EST Dec 20, 2014
Forecast Valid: 5pm EST Dec 20, 2014-6pm EST Dec 26, 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 WEAK HIGH PRESSURE SYSTEM JUST EAST OF THE FLORIDA PENINSULA WILL REMAIN IN PLACE TONIGHT THROUGH MONDAY NIGHT. A COLD FRONT WILL RAPIDLY PROGRESS EASTWARD ACROSS THE GULF OF MEXICO TUESDAY AND TUESDAY NIGHT...BEFORE PASSING THROUGH THE FLORIDA KEYS LATE WEDNESDAY. AN AREA OF HIGH PRESSURE WILL MOVE EASTWARD THROUGH THE NORTHERN GULF OF MEXICO THURSDAY INTO THURSDAY NIGHT.

    THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM CURRENT...AS OF DECEMBER 19TH...

    24 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY. 12 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS. 8 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST. 1 NM SOUTH OF LOOE KEY LIGHT...OFF BIG PINE KEY. 2 NM SOUTH OF SOMBRERO KEY LIGHT...OFF MARATHON. 7 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA. 1 NM SOUTHEAST OF MOLASSES REEF LIGHT...OFF KEY LARGO. 5 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. Partly sunny. Seas around 1 ft.
  • Tonight Variable winds 5 kt or less. Mostly cloudy. Seas around 1 ft.
  • Sunday ESE wind around 10 kt. Mostly cloudy. Seas 1 to 2 ft.
  • Sunday Night ESE wind around 10 kt. A slight chance of showers. Seas around 1 ft.
  • Monday SE wind 5 to 10 kt. A slight chance of showers. Seas around 1 ft.
  • Monday Night ESE wind 5 to 10 kt. A slight chance of showers. Seas around 1 ft.
  • Tuesday SE wind around 10 kt. A slight chance of showers. Seas 1 to 2 ft.
  • Tuesday Night SE wind around 10 kt. A chance of showers. Seas around 2 ft.
  • Wednesday S wind around 10 kt becoming WSW in the afternoon. A chance of showers and thunderstorms. Seas around 2 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.