Small Craft Advisory issued September 8 at 1:49PM EDT until September 10 at 8:00PM EDT by NWS Boston/Norton MA

Boston Harbor

Urgency: Expected

Certainty: Likely

Onset: 9/10/2026, 12:00:00 AM

Expires: 9/9/2026, 12:00:00 PM

Details

* WHAT...Southwest winds 10 to 20 kt with gusts up to 25 kt and waves around 2 feet expected. * WHERE...Boston Harbor. * WHEN...From 8 PM Wednesday to 8 PM EDT Thursday. * IMPACTS...Conditions will be hazardous to small craft.

What To Do

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.

Other Active Small Craft Advisory Alerts

Small Craft Advisory issued September 8 at 2:45PM EDT until September 10 at 10:00AM EDT by NWS Wakefield VA

Chesapeake Bay from Smith Point to Windmill Point VA; Chesapeake Bay from Windmill Point to New Point Comfort VA; Chesapeake Bay from New Point Comfort to Little Creek VA; Chesapeake Bay from Little Creek VA to Cape Henry VA including the Chesapeake Bay Bridge Tunnel

Small Craft Advisory issued September 8 at 2:45PM EDT until September 10 at 7:00AM EDT by NWS Wakefield VA

James River from JRB to HRBT, Including the Elizabeth River

Small Craft Advisory issued September 8 at 2:29PM EDT until September 10 at 8:00PM EDT by NWS Gray ME

Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM; Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM; Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM

Small Craft Advisory issued September 8 at 2:29PM EDT until September 10 at 8:00AM EDT by NWS Gray ME

Penobscot Bay; Casco Bay

Small Craft Advisory issued September 8 at 2:24PM EDT until September 10 at 6:00PM EDT by NWS Upton NY

Moriches Inlet NY to Montauk Point NY out 20 NM; Fire Island Inlet NY to Moriches Inlet NY out 20 NM; Sandy Hook NJ to Fire Island Inlet NY out 20 NM

Source: National Weather Service.