Weather
Florida-Georgia Coastal Flood Warning: Major Risk Oct 25-26
Jacksonville, FL – Dangerous coastal conditions are expected to continue across northeast Florida and southeast Georgia through Monday as powerful northeast winds combine with unusually high astronomi
By Mara Ellison · 2026-10-25T08:28:31.412Z
Jacksonville, FL – Dangerous coastal conditions are expected to continue across northeast Florida and southeast Georgia through Monday as powerful northeast winds combine with unusually high astronomical tides to produce moderate to locally major coastal flooding. Water levels could reach approximately 2.5 feet above normally dry ground in vulnerable shoreline communities, threatening roads, waterfront properties and low lying infrastructure. The National Weather Service has issued multiple coastal and marine alerts, with flooding, dangerous surf and strong winds creating an extended period of hazardous conditions along the Atlantic coastline and St. Johns River basin.
According to the National Weather Service in Jacksonville, a Coastal Flood Warning remains in effect until 5 a.m. Wednesday, Oct. 28, although the greatest tidal flooding impacts are expected around high tide from Sunday evening through Monday night. The warning covers the Atlantic coast, Intracoastal Waterway and the St. Johns River basin. Forecasters warn that numerous roads could become impassable, while low lying properties, businesses and vulnerable infrastructure may experience significant flooding.
Coastal Flooding Could Reach 2.5 Feet Above Ground The most serious coastal impacts are expected during the upcoming high tide cycles, when persistent northeast winds push Atlantic water toward shore while astronomical tides remain elevated. The National Weather Service forecasts moderate flooding, with localized major flooding possible. Water levels of approximately 2.5 feet above normally dry ground could inundate vulnerable roads and waterfront areas, particularly where tidal waterways connect with the St. Johns River.
Communities along the northeast Florida coast, including Jacksonville Beach, Atlantic Beach, Neptune Beach and areas near St. Augustine, face elevated coastal hazards. Southeast Georgia coastal communities are also included in the broader warning area. Residents near tidal waterways should avoid flooded roads, move vulnerable belongings away from rising water and monitor conditions around high tide. Flooding may occur even where rainfall is limited because the primary driver is elevated coastal water levels.
Winds, Dangerous Surf and Beach Erosion Continue Strong northeast winds are adding to the threat across coastal northeast Florida and southeast Georgia. A Wind Advisory remains in effect until 8 p.m. Sunday, with sustained winds of 15 to 25 mph and gusts potentially reaching 40 mph. The National Weather Service's regional briefing indicates that some coastal gusts could reach 35 to 45 mph, creating difficult driving conditions for high profile vehicles and increasing the risk of unsecured objects being blown around.
Marine conditions are particularly dangerous, with a Gale Warning covering Atlantic waters through Monday evening. Northeast winds of 25 to 35 knots and frequent gusts of 35 to 45 knots could generate seas of 10 to 16 feet. Mariners are urged to avoid hazardous conditions, while beachgoers should remain out of the surf because of dangerous breaking waves and strong rip currents.
A High Surf Advisory and high rip current risk extend into Wednesday morning, with breakers of 6 to 10 feet expected along northeast Florida beaches and 4 to 8 feet along southeast Georgia beaches. Significant beach erosion is also possible, particularly during repeated high tide cycles. These conditions could affect beach access, shoreline structures and vulnerable coastal infrastructure even after the strongest winds begin to ease.
Coastal Hazards Persist Into Midweek Jacksonville's local forecast calls for partly sunny skies Sunday, with temperatures near 73 degrees and a 30% chance of showers mainly after 4 p.m. Winds remain strong, with north winds of 17 to 21 mph and gusts reaching 34 mph. Monday brings mostly sunny skies and a high near 75 degrees, although northeast winds around 21 mph could continue gusting to 30 mph.
By Tuesday and Wednesday, afternoon temperatures are expected to climb near 78 degrees, but breezy or windy conditions may persist. The Coastal Flood Warning remains in effect into early Wednesday, while the High Surf Advisory and high rip current risk also extend into the middle of the week. Residents should not assume improving sunshine means coastal conditions are safe.
Additional showers and thunderstorms become possible Wednesday night into Thursday, when Jacksonville faces a 50% chance of precipitation. For now, the most immediate concern remains the combination of high tides, strong winds and dangerous surf.
Have you noticed flooding along coastal roads, unusually high tides or significant beach erosion in your community?
Five Day Weather Outlook Sunday 10/25: Partly sunny skies are expected in Jacksonville, with a high near 73 degrees and a 30% chance of showers mainly after 4 p.m.; north winds of 17 to 21 mph could gust to 34 mph, with nighttime lows near 66 degrees.
Monday 10/26: Mostly sunny skies bring an afternoon high near 75 degrees, although northeast winds around 21 mph could gust to 30 mph; mostly clear conditions follow Monday night, with lows near 65 degrees and continued breezy weather.
Tuesday 10/27: Mostly sunny conditions are expected with temperatures reaching approximately 78 degrees and northeast winds of 15 to 18 mph, gusting to 26 mph; Tuesday night becomes partly cloudy and breezy, with temperatures falling to around 65 degrees.
Wednesday 10/28: Mostly sunny skies accompany a high near 78 degrees, with windy conditions continuing; Wednesday night brings a 30% chance of showers and thunderstorms before 2 a.m., followed by a slight chance of showers and lows around 68 degrees.
Thursday 10/29: Partly sunny skies are expected with a high near 77 degrees and breezy conditions; showers and thunderstorms are possible during the day, with a 50% precipitation chance, followed by partly cloudy skies and a low near 67 degrees.
Extended Weather Outlook Friday, Oct. 30, is expected to bring mostly sunny skies and a high near 77 degrees, with a 20% chance of showers. Friday night should become partly cloudy, with temperatures falling to approximately 66 degrees.
Saturday, Oct. 31, remains mostly sunny and breezy, with an afternoon high near 79 degrees and a 20% chance of showers.
The supplied National Weather Service forecast does not establish reliable conditions for the full six to 10 day period beyond these dates.