The storm arrives at a precarious time for oil markets. Amid strain from the war in Iran, they can’t afford disruptions to production of diesel, the workhorse fuel used by trucks, trains, industry and for heating. A shift westward could bring more offshore production and Gulf Coast energy infrastructure into the storm’s path.

By Rhea Rose Abraham and Rajveer Pardesi Oct 10 (Reuters) - Isaias weakened to a post-tropical cyclone on Saturday, having rapidly lost wind speed after hitting the Florida coast as a Category 2 hurricane,

Isaias is forecast to strengthen before making landfall. Hurricane and storm surge watches have been issued for parts of the northern Gulf Coast as Tropical Storm Isaias continues to strengthen on its way to becoming the first hurricane of the 2026 Atlantic hurricane season.

Tropical Storm Isaias may form in the Gulf and threaten parts of the northern Gulf Coast this weekend.

All beaches and piers in Newport Beach, California, are closed, officials said.

Isaias, the first hurricane to form in the Atlantic in 2026, weakened to a Category 1 hurricane after making landfall near Destin, Fla. at about 8:30 p.m. CDT Friday. The storm was downgraded to Post-Tropical Cyclone Isaias,

Four people have died and hundreds of thousands were left without power after Hurricane Isaias battered the southern U.S. with powerful winds and heavy rain.