Extreme Heat and Tropical Storm Bertha Impacts
Dangerous heat will expand from the Gulf Coast into the Southern Plains and Desert Southwest through week's end. Additional extreme heat impacting the Pacific Northwest will shift to the northern Plains by the weekend. Tropical Storm Bertha is expected to continue to impact portions of the northern Gulf Coast from the western Florida Panhandle to southeastern Louisiana through tonight. Read More >
| NWS Forecast for: Tidal Potomac from Cobb Island MD to Smith Point VA (ANZ537) Issued by: National Weather Service Baltimore, MD/Washington, D.C. Last Update: 1057 PM EDT Wed Jul 22 2026 |  |
Rest Of Tonight: W winds 10 kt...becoming N. Gusts up to 20 kt. Waves 1 to 2 ft. Showers. Numerous tstms late this evening, then scattered tstms. Patchy fog late this evening. Patchy fog. Vsby 1 nm or less. Thu: N winds 10 to 15 kt. Gusts up to 20 kt until late afternoon. Waves 1 to 2 ft. A chance of showers. Thu Night: NE winds 5 kt. Waves less than 1 ft. Fri: E winds 5 to 10 kt. Waves 1 ft. Fri Night: E winds 5 to 10 kt. Waves 1 ft. Sat: NE winds 5 to 10 kt. Waves 1 ft. Sat Night: SE winds around 5 kt. Waves 1 ft. Sun: S winds around 5 kt. Waves 1 ft or less. A chance of showers and tstms through the night. Mon: SW winds 5 to 10 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 Cobb Island MD to Smith Point VA (ANZ537) | |
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