Heat Wave and Severe Thunderstorms this Independence Day

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Midwest, and Mid-Atlantic. Numerous temperature records are expected. Clusters of severe thunderstorms will move across parts of the Allegheny Plateau into Mid Atlantic this Independence Day, with potential for widespread damaging winds. Additional severe thunderstorms in the Great Plains. Read More >

Coastal Waters Forecast for Tidal Potomac from Key Bridge to Indian Head MD (ANZ535) (Text-Only)
NWS Forecast for: Tidal Potomac from Key Bridge to Indian Head MD (ANZ535)
Issued by: National Weather Service Baltimore, MD/Washington, D.C.
Last Update: 227 AM EDT Sun Jul 5 2026
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Overnight: Light winds. Waves flat. Numerous showers and scattered tstms. Patchy fog.

Sun: S winds around 5 kt. Waves 1 ft or less.

Sun Night: E winds around 5 kt. Waves 1 ft. Showers with a chance of tstms.

Mon: NE winds around 5 kt. Waves 1 ft. A chance of showers and tstms.

Mon Night: E winds around 5 kt. Waves 1 ft or less. Showers with a chance of tstms.

Tue: NE winds around 5 kt. Waves 1 ft. Showers likely with a chance of tstms.

Tue Night: NE winds around 5 kt. Waves 1 ft. A chance of showers and tstms.

Wed: E winds around 5 kt. Waves 1 ft or less. A chance of showers. A chance of tstms through the night.

Thu: SW winds around 5 kt. Waves 1 ft. A chance of showers and tstms through the night.

winds and waves higher and visibilities lower in and near tstms.







Zone Forecast: Tidal Potomac from Key Bridge to Indian Head MD (ANZ535)

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