National Weather Service United States Department of Commerce

Heavy rain and mountain snow across the northwestern U.S. this weekend

A Pacific storm system will continue to impact the West Coast through Sunday. Heavy rainfall could lead to flash flooding, river and small stream flooding, as well as mudslides and debris flows, especially over burn scars. At higher elevations, strong winds and heavy snowfall, with accumulations of 1 to 3 feet, could result in hazardous travel through mountain passes.
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5NM W Florida Bay FL

Marine Point Forecast [NOTICE]

Overnight

Partly Cloudy

ESE 10kt
< 1ft

Low: 71 °F

Sunday

Mostly Sunny

SE 10kt
< 1ft

High: 78 °F

Sunday
Night

Isolated Showers

Light Wind
< 1ft

Low: 71 °F

Monday

Isolated Showers

Light Wind
< 1ft

High: 78 °F

Monday
Night

Isolated Showers

SE 10kt
< 1ft

Low: 71 °F

Tuesday

Isolated Showers

SE 15kt
< 1ft

High: 79 °F

Tuesday
Night

Scattered Showers

SE 15kt
< 1ft

Low: 72 °F

Wednesday

Scattered Showers

SSE 15kt
< 1ft

High: 79 °F

Wednesday
Night

Scattered Showers

NNW 15kt
1ft

Low: 66 °F

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:47 am EST Dec 21, 2014
Forecast Valid: 3am EST Dec 21, 2014-6pm EST Dec 27, 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 OVERNIGHT 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.
  • Overnight ESE wind 5 to 10 kt. Partly cloudy. Seas 1 ft or less.
  • Sunday SE wind 5 to 10 kt. Mostly sunny. Seas 1 ft or less.
  • Sunday Night Variable winds 5 kt or less. Isolated showers. Seas 1 ft or less.
  • Monday Variable winds 5 kt or less. Isolated showers. Seas 1 ft or less.
  • Monday Night SE wind 5 to 10 kt. Isolated showers. Seas 1 ft or less.
  • Tuesday SE wind 10 to 15 kt. Isolated showers. Seas 1 ft or less.
  • Tuesday Night SE wind around 15 kt. Scattered showers. Seas 1 ft or less.
  • Wednesday SSE wind 10 to 15 kt becoming SSW in the afternoon. Scattered showers and thunderstorms. Seas 1 ft or less.
  • Wednesday Night WSW wind 10 to 15 kt becoming NNW after midnight. Scattered 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.