National Weather Service United States Department of Commerce

Developing storm will spread rain across eastern U.S.; thunderstorms in the Southeast

A storm system developing in the South will move up the Mississippi River Valley on Sunday bringing rainfall to much of the eastern U.S., along with thunderstorms in the southeastern states. Some of the thunderstorms in the Southeast could produce large hail, damaging wind and heavy rain.
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Hazardous Weather Conditions

9NM ENE Cape Romano FL

Marine Point Forecast [NOTICE]

Today

Partly Sunny

SSE 15kt
< 1ft

High: 82 °F

Tonight

Mostly Cloudy

SE 6ktWinds Decreasing
< 1ft

Low: 74 °F

Monday

Partly Sunny

Winds IncreasingSSW 9kt
< 1ft

High: 80 °F

Monday
Night

Chance Showers

Light Wind
< 1ft

Low: 72 °F

Tuesday

Showers Likely

SE 8kt
< 1ft

High: 79 °F

Tuesday
Night

Showers Likely

SSW 7kt
< 1ft

Low: 68 °F

Wednesday

Showers Likely

NNW 17kt
< 1ft

High: 71 °F

Wednesday
Night

Partly Cloudy

N 16kt
< 1ft

Low: 51 °F

Thanksgiving
Day

Sunny

N 13kt
< 1ft

High: 67 °F

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 7:16 am EST Nov 23, 2014
Forecast Valid: 8am EST Nov 23, 2014-6pm EST Nov 29, 2014

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Detailed Forecast

SEAS ARE PROVIDED AS A RANGE OF THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES...ALONG WITH THE OCCASIONAL HEIGHT OF THE AVERAGE HIGHEST 10 PERCENT OF THE WAVES.

  • SynopsisFRESH SOUTHEAST WINDS WILL SHIFT TO THE SOUTH LATER TONIGHT THROUGH THE EARLY PORTION OF THE WEEK AHEAD OF A COLD FRONT. THE COLD FRONT WILL BRING INCREASING RAIN CHANCES ACROSS THE MARINE AREAS LATER TUESDAY THROUGH WEDNESDAY. DRIER CONDITIONS WITH STRONG NORTH WINDS AND BUILDING SEAS WILL BE EXPECTED WEDNESDAY THROUGH THE HOLIDAY, WHICH WILL LIKELY REQUIRE AN ADVISORY FOR THE THE GULF AND ATLANTIC WATERS. WINDS AND SEAS WILL GRADUALLY SUBSIDE INTO THE UPCOMING WEEKEND AS HIGH PRESSURE BUILDS EAST ACROSS THE REGION.

    .GULF STREAM HAZARDS...7 TO 10 FOOT SEAS WILL GRADUALLY SUBSIDE BELOW ADVISORY LEVELS BY THE MID TO LATE AFTERNOON HOURS.

    THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF NOV 21, 2014 AT 1200 UTC...

    2 NAUTICAL MILES NORTH NORTHEAST OF FOWEY ROCKS. 6 NAUTICAL MILES EAST SOUTHEAST OF PORT EVERGLADES. 10 NAUTICAL MILES NORTH NORTHEAST OF LAKE WORTH. 7 NAUTICAL MILES EAST SOUTHEAST OF JUPITER INLET.

    THIS DATA COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.
  • Today E wind 9 to 15 kt becoming SSE in the afternoon. Partly sunny. Seas 1 ft or less. Bay and inland waters a light chop.
  • Tonight SE wind around 6 kt becoming variable and less than 5 kt after midnight. Mostly cloudy. Seas 1 ft or less. Bay and inland waters smooth.
  • Monday Variable winds less than 5 kt becoming SSW 5 to 9 kt in the morning. Partly sunny. Seas 1 ft or less. Bay and inland waters smooth becoming a light chop.
  • Monday Night Variable winds 5 kt or less. A chance of showers. Seas 1 ft or less. Bay and inland waters smooth.
  • Tuesday ENE wind 6 to 8 kt becoming SE in the afternoon. Showers likely and possibly a thunderstorm. Seas 1 ft or less. Bay and inland waters smooth.
  • Tuesday Night ESE wind around 7 kt becoming SSW after midnight. Showers likely and possibly a thunderstorm. Seas 1 ft or less. Bay and inland waters smooth.
  • Wednesday W wind 9 to 17 kt becoming NNW in the afternoon. Showers likely and possibly a thunderstorm. Seas 1 ft or less. Bay and inland waters a moderate chop becoming a light chop.
  • Wednesday Night N wind 14 to 16 kt. Partly cloudy. Seas 1 ft or less. Bay and inland waters a light chop.
  • Thanksgiving Day N wind 10 to 13 kt. Sunny. Seas 1 ft or less. Bay and inland waters a light chop.
*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.