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NewsWPLG Local 10October 24, 2026Miami-Dade County

King tides cause coastal flooding across South Florida

Photo: WPLG Local 10

High seasonal tides paired with onshore winds are causing coastal flooding in South Florida, impacting low-lying roads, driveways, and sidewalks. A Coastal Flood Advisory is in effect for Broward and Miami-Dade counties, while a Coastal Flood Warning covers the Upper Keys, with moderate to major flooding expected through Monday.

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Why It Matters

Rising waters threaten to submerge low-lying roads and create hazardous driving conditions as saltwater backs up into storm drains and blocks freshwater runoff.

Key Facts

  • King tides are the highest tides of the year, caused by the alignment of the Earth, Sun, and Moon during spring and fall.
  • Steady onshore winds are pushing water toward the coast and intensifying flood conditions.
  • Coastal flooding is expected about one to two hours before and after morning and evening high tide cycles.
  • A Coastal Flood Advisory is in effect for coastal Broward and Miami-Dade counties.
  • A Coastal Flood Warning is in effect for the Upper Keys.
  • Water is expected to briefly rise onto low-lying roads, driveways, and sidewalks near the shore.
  • Moderate to major flooding is expected into Monday due to increasing winds and downpours.
  • Saltwater in storm drains is preventing freshwater from clearing roads, worsening street flooding.
  • Drivers are advised never to drive through flooded roads because water may be deeper than it appears and can disable vehicles.

Who's Mentioned

locationSouth Florida“Region impacted by king tides and coastal flooding”locationMiami-Dade“Coastal area under a Coastal Flood Advisory”locationBroward“Coastal area under a Coastal Flood Advisory”locationUpper Keys“Area under a Coastal Flood Warning”