Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East
Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >
| NWS Forecast for: Waters From James Island To Point Grenville 10 To 60 Nm (PZZ173) Issued by: National Weather Service Seattle, WA Last Update: 253 PM PDT Tue May 19 2026 |  |
Tonight: NW wind 15 to 20 kt. Seas 8 to 11 ft. Wave detail: NW 9 ft at 7 seconds and W 6 ft at 12 seconds. Wed: NW wind 15 to 20 kt. Seas 8 to 11 ft, subsiding to 6 to 9 ft in the afternoon. Wave detail: NW 9 ft at 8 seconds and W 8 ft at 12 seconds. Wed Night: NW wind 15 to 20 kt. Seas 7 to 10 ft. Wave detail: NW 8 ft at 7 seconds and W 6 ft at 11 seconds. Thu: NW wind 10 to 15 kt. Seas 6 to 8 ft. Wave detail: NW 5 ft at 7 seconds and NW 7 ft at 9 seconds. Thu Night: NW wind 15 to 20 kt. Seas 6 to 9 ft. Wave detail: NW 8 ft at 10 seconds. Fri: NW wind 15 to 20 kt. Seas 7 to 10 ft. Wave detail: NW 8 ft at 9 seconds and SW 2 ft at 15 seconds. Fri Night: NW wind 15 to 20 kt, rising to 20 to 25 kt after midnight. Seas 8 to 11 ft. Wave detail: NW 11 ft at 9 seconds and SW 2 ft at 17 seconds. Sat: NW wind 20 to 25 kt, easing to 15 to 20 kt in the afternoon. Seas 9 to 12 ft, subsiding to 7 to 10 ft in the afternoon. Wave detail: NW 7 ft at 6 seconds, NW 12 ft at 9 seconds and SW 2 ft at 17 seconds. Sat Night: NW wind 15 to 20 kt, easing to 10 to 15 kt after midnight. Seas 8 to 11 ft. Wave detail: NW 9 ft at 8 seconds, W 5 ft at 15 seconds and SW 2 ft at 16 seconds. Sun: W wind 10 to 15 kt. Seas 8 to 10 ft, subsiding to 7 to 8 ft in the afternoon. Wave detail: NW 7 ft at 8 seconds, W 5 ft at 14 seconds and SW 2 ft at 16 seconds. Sun Night: SW wind 10 to 15 kt, becoming W 15 to 20 kt after midnight. Seas 7 to 8 ft. Wave detail: NW 6 ft at 6 seconds, W 7 ft at 13 seconds and SW 2 ft at 15 seconds. A chance of rain in the evening, then rain likely after midnight. | |
| Zone Forecast: Waters From James Island To Point Grenville 10 To 60 Nm (PZZ173) | |
Visit your local NWS office at: https://www.weather.gov/sew |