Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Map of estimated Water Temperatures
List of Water Temperature observations (at bottom of page/list)

Latest Marine Discussion:

.MARINE... A few showers will move across parts of the far northern zones of the Chesapeake Bay and the zones adjacent to far southern Maryland as a warm front lifts northward. Winds shift to southwest today which may support Small Craft Advisories for portions of the waters. SCAs appear likely on Thursday in southwesterly flow. Gale force winds are possible Thursday afternoon over the northern Tidal Potomac and northern portions of the Chesapeake Bay. SMWs will also likely be needed as thunderstorms move over the waters on Thursday as strong to severe thunderstorms potentially track over the waters. Small Craft Advisories are possible Saturday in northwesterly flow. Winds may be lighter Sunday as high pressure passes to the south. Update as of: 329 AM EDT Wed Jun 17 2026

Click/Tap on any zone on map below for marine forecast:
Click here for the Synopsis and text forecast.

[LWX marine zones]

NEW FORECAST TOOL: Experimental NWS Marine Forecast Portal

Click on any marine zone on this map to go to a detailed hour-by-hour weather forecast for the next 7 days

Please provide feedback to cody.ledbetter@noaa.gov

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Marine Forecasts for the Lower Chesapeake Bay and Eastern VA Rivers

(These forecasts are provided by the Weather Forecast Office in Wakefield, VA)

Lower Chesapeake Bay

Smith Point to Windmill Point

Windmill Point to New Point Comfort

New Point Comfort to Little Creek

Little Creek to Cape Henry Incl. CBBT

Eastern VA Rivers

Rappahannock River (Urbanna-Windmill Pt)

York River

James River (Jamestown-James River Bridge)

James River (James River Bridge-HRBT)

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