Heavy Rainfall and Severe Thunderstorm Threats; Heat Risk Expands; Monitoring the Tropics
Flash flooding risks continue for portions of the Four Corners and Great Basin through today. Severe thunderstorms are outlooked from the eastern Great Lakes, southern New England into the mid-Atlantic through Tuesday. Heat risk increases and expands across the center of the nation and across the Ohio Valley and mid-Atlantic this week. Continue to closely monitor tropical development in the Gulf. Read More >
| NWS Forecast for: Delaware Bay waters north of East Point NJ to Slaughter Beach DE (ANZ430) Issued by: National Weather Service Philadelphia, PA Last Update: 401 PM EDT Mon Aug 31 2026 |  |
| Tonight: SE winds 5 to 10 kt, becoming SW after midnight. Seas 1 foot or less. Wave detail: SE 1 foot at 4 seconds. A slight chance of showers and tstms until early morning. Tue: SW winds around 5 kt. Seas 1 foot or less. Wave detail: S 1 foot at 3 seconds. Tue Night: S winds around 5 kt, becoming E after midnight. Seas 1 foot or less. Wave detail: SE 1 foot at 7 seconds. A chance of showers and tstms. Wed: E winds 5 to 10 kt. Seas 1 foot or less. Wave detail: SE 1 foot at 10 seconds. Wed Night: SE winds 5 to 10 kt, becoming S after midnight. Seas around 2 ft. Wave detail: SE 1 foot at 3 seconds and SE 1 foot at 11 seconds. A chance of showers and tstms. Thu: SW winds around 5 kt. Seas 1 foot or less. Wave detail: S 1 foot at 3 seconds and SE 1 foot at 10 seconds. Thu Night: W winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. Fri: NW winds 5 to 10 kt. Seas 1 foot or less. Fri Night: NW winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. Sat: N winds 5 to 10 kt. Seas 1 foot or less. Sat Night: NE winds 10 to 15 kt. Seas 1 foot or less. winds and seas higher in and near tstms. | |
| Zone Forecast: Delaware Bay waters north of East Point NJ to Slaughter Beach DE (ANZ430) | |
Visit your local NWS office at: https://www.weather.gov/phi/ |