Hurricane & Storm Risk on Deer Isle / Stonington, ME

Maine's Real Hurricane History: Hurricane Bob, 1991

Hurricane Bob remains the most recent hurricane to cause widespread damage in Maine, and it is useful precisely because of how it behaved by the time it reached this part of the coast. Bob made landfall in Rhode Island around 1:30 p.m. on August 19, 1991 with winds over 105 mph, reached Portland by 6 p.m. that same day, and had already weakened to a tropical storm by the morning of August 20, before it reached Hancock and Washington counties. Statewide Maine damage was estimated at roughly $42 million (inflation-adjusted), concentrated mostly in southern Maine — Portland alone saw an estimated $27 million in damage — with three deaths statewide. No hurricane has caused comparable damage in Maine since 1991, per Bangor Daily News' own retrospective reporting. This page does not invent a specific Hurricane Bob impact figure for Deer Isle or Stonington specifically, since none was independently confirmed, and the storm had already weakened substantially by the time it reached Hancock County.

The Real Current Risk: Winter Coastal Storms

The island's genuine, recent, documented storm risk is the January 10, 2024 coastal storm — a nor'easter-style winter event, not a hurricane. That storm brought winds reported around 61 mph and a storm surge of roughly 4 feet to Stonington's harbor, causing real, itemized damage: Dockside Books and Gifts swept roughly 10 feet off its foundation, the newly opened 27 Fathoms Waterfront Grill destroyed, minor flooding at Billings Diesel & Marine, a flooded fire hall basement, and a damaged sanitary pump station, plus washouts on the Little Deer Isle causeway, the Moose Island causeway, and several Stonington roads. The Town of Stonington's own town manager put the town's total property damage at roughly $200,000. This is the storm type — winter nor'easter, storm surge, high wind — that should actually inform risk planning here, not a hurricane-belt assumption borrowed from a Gulf Coast or Mid-Atlantic market.

Why This Risk Profile Is Different From a True Hurricane-Belt Market

This distinction matters practically. Hurricane-belt markets plan around named-storm forecasting windows, mandatory evacuation zones tied to storm categories, and hurricane-specific building codes. Hancock County's real risk, evidenced by the January 2024 event, is a winter storm season with less predictable individual-storm forecasting lead time than a tracked hurricane, combined with a genuine single-road-access vulnerability (see this site's island-logistics page) that can cut the island off from the mainland during exactly the kind of event most likely to occur here. A buyer or resident should plan for that risk profile specifically, rather than assume hurricane-season planning transfers directly.

The official Atlantic hurricane season still technically runs June 1 through November 30 for this island, same as anywhere on the U.S. East Coast, since that is a National Weather Service-defined season, not a location-specific one. But as Hurricane Bob's own weakening track before reaching Hancock County shows, a storm surviving that whole track as a hurricane-strength system this far north and east is genuinely rare — this page does not project a future storm's likely strength or track, since that is outside what honest, sourced research can state in advance, but the region's actual documented history (one significant hurricane-related event since 1991, versus the recurring winter nor'easter pattern) should weigh more heavily in planning than the calendar season alone.

Who Handles Emergency Coordination Here

Storm and emergency coordination for both towns runs through the Hancock County Emergency Management Agency, based at 50 State Street, Suite 4, in the county seat of Ellsworth. The agency's stated role covers hazard mitigation planning, emergency response guidance, and preparedness workshops for the county's member towns, including Deer Isle and Stonington — a real, named, currently operating office, not a generic reference to "county emergency services." This page does not name a specific current island-wide evacuation plan, shelter location, or communications protocol, since none of those were independently confirmed to a current, specific figure this research pass; confirm current emergency planning directly with Hancock County EMA and each town's own office.

What to Confirm Before You Decide

This page does not state a specific current wind-zone building code requirement, a specific current evacuation route or timeline beyond Route 15 itself, or a projected future storm-frequency figure for this island, since none of those were independently confirmed this research pass. Anyone evaluating storm risk for a specific property here should confirm current building code and wind-zone requirements with whichever town's code enforcement office applies (Deer Isle or Stonington), and should follow current guidance from Hancock County Emergency Management Agency and the National Weather Service ahead of any specific storm event, rather than rely on this general page for real-time storm decisions. Nothing on this page is emergency-management, engineering, or insurance advice.