Despite morning clouds and rainfall. warmer and more unstable air will push into the region through early this afternoon ahead of an advancing cold front. This will set the stage for a developing severe weather event. Thunderstorms have developed across upstate New York as of 12pm. These storms are expected to intensify and expand in coverage as they move east through the afternoon. Storms are expected to move into western New Hampshire after 2pm. reaching western Maine after 4pm. The severe weather threat should come to an end after 8pm. Storms will have the potential to produce damaging winds. large hail and isolated tornadoes. Torrential rainfall with localized flooding will also be possible. Please be alert to changing weather conditions and have a way to receive warnings from the National Weather Service.

* WHAT. Southwest winds 10 to 20 kt with gusts 25 to 30 kt and seas 5 to 8 ft expected. * WHERE. Coastal Waters from Eastport, ME to Schoodic Point, ME out 25 NM, Coastal Waters from Schoodic Point, ME to Stonington, ME out 25 NM and Intra Coastal Waters from Schoodic Point, ME to Stonington, ME. * WHEN. From 5 PM Sunday to 8 PM EDT Monday. * IMPACTS. Conditions will be hazardous to small craft.