From June through November, Daytona Beach faces the tropics from the exposed side of the state. Recent hurricane seasons have pushed storms close enough to Volusia County to strip shingles, flood streets, and carve away dune line, and a chimney is the tallest, most exposed thing on the roof when that weather arrives. Gusts work caps loose, lift flashing that was already tired, and drive rain horizontally into mortar joints and siding seams that ordinary vertical rain never tests.
The Atlantic coast adds a second season most of Florida skips: the fall and winter onshore blows, when a stalled system parks a stiff east wind over the coast and pushes spray and rain at the beachside for days at a stretch. That long, sideways soaking finds every weak point a five-minute thunderstorm misses. It is exactly the weather that turns a hairline crown crack or a lifted flashing edge into a stained ceiling two rooms away, and chimney leaks almost never show up at the chimney. Chimney leak repair starts with finding the true entry point, because sealing the wrong spot just reroutes the water.
Prevention is straightforward and worth doing before the wet season, not after. Sound flashing, an intact crown, a secure cap, and a breathable water repellent on the brick (chimney waterproofing that sheds rain while letting trapped vapor escape) close off the routes water actually uses. After any storm passes close, a two-minute look from the ground is a good habit: anything shifted, missing, or newly stained on the stack deserves professional eyes before the next system lines up.