The National Weather Service recently announced a hurricane and storm surge watch for southwest Suffolk Counties in preparation for Hurricane Henri.
In it's briefing the weather service said to "plan for dangerous wind of equivalent strong tropical storm force" with potential for 58 to 73 mph winds. Strong winds may begin to be felt as early as later Saturday August 21. The weather service also noted that the "window of concern" for the storm surge will be early Sunday morning August 22 until Sunday evening with widespread rainfall of two to four inches. To find out your Storm Surge Zone visit suffolkcountyny.gov and click on the top banner concerning Hurricane Henri.
As of this writing the National Weather Service said Hurricane Henri will likely hit Long Island as a Category 1 Hurricane.
On it's website, Suffolk County has hurricane preparedness tips which include the following making a plan with family members in case of evacuation or power loss, gathering needed supplies before the storm and tying down or bringing looses items inside. The full preparedness article can be found at: https://www.suffolkcountyny.gov/Departments/FRES/Office-of-Emergency-Management/Natural-Disasters-and-Extreme-Weather/Hurricanes-How-To-Prepare
The Town of Brookhaven also has a helpful website on preparedness available at: