A strong hurricane is moving towards the northern Gulf Coast of the United States, and the official message on Friday morning was to finish preparations quickly. The National Hurricane Center said weather would go downhill quickly today, with landfall expected in the warning area tonight or early on Saturday. Water can rise before the strongest wind, heavy rain can continue after the centre has passed, and tornadoes can form in outer bands while the storm is still offshore. Our pages for today's incidents and all incidents were already showing official cyclone warnings from the National Weather Service across the region on Friday morning.
Hurricane Isaias: what the latest advisory says
Hurricane Isaias was the subject of Public Advisory Number 11 from the National Hurricane Center in Miami, issued at 4:00 AM CDT on Friday 9 October 2026. The eye was near latitude 26.4 North and longitude 88.0 West, about 200 miles south-south-east of the mouth of the Mississippi River. Maximum sustained winds were 110 miles per hour, about 175 kilometres per hour, with higher gusts, and the minimum central pressure was 963 millibars. Isaias was moving north-north-east at about 15 miles per hour, with a turn towards the north expected later on Friday. It was expected to approach the northern Gulf Coast this afternoon and make landfall within the warning area tonight or early Saturday. The advisory said Isaias was likely to become a major hurricane on Friday morning, with slight weakening expected before landfall but with the storm still expected to remain dangerous. Hurricane-force winds extended up to 30 miles from the centre, and tropical-storm-force winds extended up to 185 miles, so places far from the exact landfall point could still face damaging gusts and dangerous seas.
Where the warnings are in force
The National Hurricane Center explained that hurricane conditions were expected somewhere inside the hurricane warning area within 24 hours, and that a storm surge warning meant a danger of life-threatening inundation within the next 36 hours. Check your own location against your local National Weather Service office as well as the national advisory. Our North America and alerts pages can help you follow the wider picture, but local instructions come first.
- Hurricane Warning: Ocean Springs, Mississippi, to the Bay and Gulf County line in Florida.
- Storm Surge Warning: the mouth of the Mississippi River to the Suwannee River in Florida.
- Tropical Storm Warning: the Jefferson and Plaquemines Parish line in Louisiana to west of Ocean Springs, and east of the Bay and Gulf County line to the Aucilla River in Florida.
- Storm Surge Watch: the Suwannee River to Yankeetown in Florida.
The National Weather Service office for Mobile and Pensacola was also highlighting Isaias at the top of its local page early on Friday.
Why the water is the biggest danger
The category number often gets the headlines, but water causes much of the harm. The National Hurricane Center gave possible storm surge heights above ground, if the peak surge arrived at high tide. The highest figure was 5 to 7 feet from Dauphin Island in Alabama to Indian Pass in Florida. From Indian Pass to the Steinhatchee River the range was 4 to 6 feet. From the Steinhatchee River to the Suwannee River, and from the mouth of the Mississippi River to Dauphin Island, the range was 3 to 5 feet, with Mobile Bay also at 3 to 5 feet. Further south, 2 to 4 feet was possible from the Suwannee River to Yankeetown, and 1 to 3 feet in Lake Pontchartrain. The deepest water was expected along the immediate coast where winds blow onshore, with large and dangerous waves. Our storm coverage tries to keep storm surge, river flooding and flash flooding separate, because they are linked but do not peak at the same moment.
Rain is the second water problem. Through the weekend, 4 to 8 inches were expected across southern Alabama, the Florida Panhandle and Big Bend, and south-west Georgia, with local totals up to 15 inches possible in rain bands. Across much of the rest of the south-east, 2 to 5 inches were expected, with local amounts up to 10 inches possible. Flash and urban flooding was said to be likely, and river flooding was also expected, some of which could be significant.
Wind, tornadoes and the risk inland
Hurricane conditions were expected in the hurricane warning area tonight into early Saturday, with tropical storm conditions beginning later on Friday. Winds of 110 miles per hour can damage roofs, bring down trees and power lines, and turn loose objects into dangerous missiles. Heavy rain can soften ground so trees fall more easily, and gusts can stay strong in squalls well inland. A tornado threat was expected to begin late on Friday afternoon and continue through the night in coastal Alabama, the Florida Panhandle and far south-west Georgia, then continue on Saturday across parts of eastern Alabama, the Florida Panhandle, Georgia and the Carolinas. These tornadoes can form quickly inside rain bands, so a safe shelter place needs to be known before nightfall. Swells were also expected to bring life-threatening surf and rip current conditions.
What to do in the next few hours
The advisory message was that preparations to protect life and property should be rushed to completion. Act on local evacuation orders if they apply to you. Know whether your home is in a surge-prone area, check on neighbours who may need help to leave, charge phones while power is available, and keep water, medicines, torches and important documents ready if you are sheltering outside the surge zone. Keep monitoring your local National Weather Service forecast office. Do not drive through flooded roads, do not walk through moving water, and do not go to the coast to watch the sea. Our articles page collects recent explainers alongside daily reporting.
How to follow official updates
Use official sources first. The figures in this article come from the National Hurricane Center, part of the National Oceanic and Atmospheric Administration and the National Weather Service, in Hurricane Isaias Public Advisory Number 11. Local warnings are also available from the National Weather Service office for Mobile and Pensacola at weather.gov/mob. Check the time on any advisory before sharing it, because a warning that was correct at 4:00 AM CDT can change by the next update.
What our records show, and what they miss
Our records on Friday morning show a fast-building official warning picture for the northern Gulf Coast, with multiple National Weather Service hurricane and storm surge warnings recorded in the hours before landfall. What they miss is the street-level reality only local officials and residents can see in real time: which roads are already flooding, which neighbourhoods have lost power, and where help is needed first.
The short version
- Hurricane Isaias had maximum sustained winds of 110 miles per hour in the National Hurricane Center advisory at 4:00 AM CDT on Friday 9 October 2026.
- The centre was about 200 miles south-south-east of the mouth of the Mississippi River and was expected to approach the northern Gulf Coast on Friday afternoon.
- Landfall was expected in the hurricane warning area, from Ocean Springs, Mississippi, to the Bay and Gulf County line in Florida, tonight or early Saturday.
- Storm surge of 5 to 7 feet above ground was possible from Dauphin Island, Alabama, to Indian Pass, Florida, if the peak surge arrived at high tide.
- Rain of 4 to 8 inches, with local totals up to 15 inches, could cause flash, urban and river flooding across southern Alabama, the Florida Panhandle, Big Bend and south-west Georgia.
