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NWS Melbourne - Flood Advisory Extended Through Early Thursday Morning; Flood Watch Takes Effect Wednesday Afternoon and Lasts Until Thursday Afternoon

East Central Florida - Tuesday November 14, 2023: The National Weather Service in Melbourne has extended its Coastal Flood Advisory for the Treasure Coast and portions of the Space Coast through 4 a.m. Thursday and they have issued a Flood Watch which will take effect Wednesday at 1 p.m. and remain in effect until 1 p.m. Thursday.

Onshore winds and above normal tides will combine to generate flooding of low areas along the shore. Flood prone locations in Martin County are especially vulnerable during high tides. Morning high tides will occur between 8 a.m. and 8:30 a.m. Tuesday and around 9 a.m. Wednesday.

Motorists are reminded not to drive around barricades, or through water of unknown depth, and residents are also encouraged to take the necessary actions to protect flood-prone property.

High Surf and High Rip Current Risk warnings have also been issued and will remain in effect through late Thursday night.

High surf will affect the beaches in the advisory area, producing localized beach erosion and dangerous swimming conditions. Swimmers should remain out of the water due to large breaking waves and dangerous surf conditions.

Strong rip currents are also present. These powerful channels of water flowing quickly away from shore, occur most often at low spots or breaks in the sandbar and in the vicinity of structures such as jetties and piers. Heed the advice of lifeguards, beach patrol flags and signs.


  • WHAT: For the High Surf Advisory, large breaking waves of 4 to 9 feet in the surf zone. For the Coastal Flood Advisory, minor coastal flooding. For the High Rip Current Risk, numerous strong and life-threatening rip currents.
  • WHERE: Coastal Volusia, Coastal Indian River, Coastal Saint Lucie, Coastal Martin, Mainland Northern Brevard, Northern Brevard Barrier Islands, Mainland Southern Brevard and Southern Brevard Barrier Islands Counties.
  • WHEN: For the High Surf Advisory, until 4 AM EST Friday. For the Coastal Flood Advisory, until 4 AM EST Thursday. For the High Rip Current Risk, through late Thursday night.
  • IMPACTS: Some flooding of low-lying lots, parks and roadways may occur near the shoreline. Only isolated road closures are expected. Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water.


  • WHAT: Flooding caused by excessive rainfall is possible. Expect widespread rainfall amounts of 1 to 3 inches of rain, with locally higher amounts to around 6 inches.
  • WHERE: A portion of east central Florida, including the following areas, Coastal Indian River, Coastal Martin, Coastal Saint Lucie, Coastal Volusia, Inland Indian River, Inland Martin, Inland
    Northern Brevard, Inland Saint Lucie, Inland Southern Brevard, Mainland Northern Brevard, Mainland Southern Brevard, Northern Brevard Barrier Islands and Southern Brevard Barrier Islands.
  • WHEN: From Wednesday afternoon through Thursday afternoon.
  • IMPACTS: Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur
    in poor drainage and urban areas. Low-water crossings may be flooded. Storm drains and ditches may become clogged with debris.

Residents should monitor forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.