Significant Heat in the Northwest U.S.; Tropical Rainfall Potential in the Southwest U.S.
A significant late season heat wave continues in the interior Pacific Northwest for at least one more day before easing somewhat Friday into Saturday. A combination of monsoonal moisture and tropical moisture ahead of tropical cyclone Lorena will bring a marginal to slight risk of excessive rainfall across the southwest U.S. through Saturday which may bring areas of flooding. Read More >
| NWS Forecast for: Coastal waters from Cape May NJ to Cape Henlopen DE out 20 nm (ANZ454) Issued by: National Weather Service Philadelphia, PA Last Update: 818 AM EDT Thu Sep 4 2025 | |
| Today: S winds 5 to 10 kt, increasing to 15 to 20 kt. Seas 2 to 4 ft. Wave detail: S 3 ft at 4 seconds and E 3 ft at 8 seconds. Tonight: S winds 15 to 20 kt. Seas 4 to 5 ft. Wave detail: S 4 ft at 5 seconds and SE 4 ft at 8 seconds. Fri: S winds 10 to 15 kt. Gusts up to 25 kt in the afternoon. Seas 3 to 5 ft. Wave detail: S 4 ft at 6 seconds. Fri Night: S winds around 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave detail: S 4 ft at 8 seconds and S 3 ft at 5 seconds. Sat: S winds 10 to 15 kt. Seas 3 to 4 ft. Wave detail: S 4 ft at 6 seconds. Sat Night: S winds 10 to 15 kt with gusts up to 20 kt, becoming W after midnight. Seas 2 to 4 ft. Wave detail: S 3 ft at 6 seconds. A chance of showers. Sun: N winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers. Sun Night: NW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers. Mon: N winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Mon Night: NE winds 5 to 10 kt. Seas around 2 ft. | |
| Zone Forecast: Coastal waters from Cape May NJ to Cape Henlopen DE out 20 nm (ANZ454) | |
Visit your local NWS office at: https://www.weather.gov/phi/ |