Severe Thunderstorms for the Center of the Nation; Fire Weather Concerns; Flooding Issues for the Great Lakes Region
A round of severe thunderstorms are forecast across areas of the Southern Plains, Mississippi Valley and Great Lakes this afternoon and tonight; The threat for flash flooding will also accompany these storms. The rainfall for the Great Lakes region could prolong the ongoing flooding. Where the rain is needed, the Southern High Plains, critical fire weather concerns through today. Read More >
| NWS Forecast for: Gulf of America from West End of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms (GMZ035) Issued by: National Weather Service Key West, FL Last Update: 421 AM EDT Sat Apr 18 2026 | |
| Today: East to southeast winds 10 to 15 knots, decreasing to near 10 knots. Seas 1 to 2 feet, subsiding to around 1 foot. Nearshore waters a light to moderate chop, becoming a light chop. A slight chance of showers early this morning. Tonight: East winds near 10 knots. Seas around 1 foot. nearshore waters a light chop. A slight chance of showers. Sunday: Northeast winds 5 to 10 knots. Seas 1 foot or less. Nearshore waters smooth to a light chop. Sunday Night: Northwest to north winds 5 to 10 knots, increasing to 10 to 15 knots. Seas 1 foot or less, building to 1 to 2 feet. nearshore waters smooth to a light chop, becoming a light to moderate chop. A slight chance of showers. Monday: North to northeast winds 10 to 15 knots, becoming northeast to east and briefly decreasing to 5 to 10 knots in the late morning and early afternoon. Seas 1 to 2 feet. Nearshore waters a light to moderate chop, becoming smooth to a light chop. A slight chance of showers. Monday Night: Northeast winds near 15 knots, increasing to 20 to 25 knots after midnight. Seas 1 to 2 feet, building to 2 to 4 feet, occasionally to 5 feet. West of the marquesas keys, seas 2 to 3 feet, building to 4 to 5 feet, occasionally to 6 feet. nearshore waters choppy, becoming very rough. A chance of showers with a slight chance of thunderstorms. Tuesday: Northeast to east winds near 25 knots. Seas 3 to 5 feet, occasionally to 6 feet, except 5 to 6 feet, occasionally to 8 feet west of the marquesas keys. Nearshore waters extremely rough. A slight chance of showers. Tuesday Night: Northeast to east winds 20 to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet, except 5 to 6 feet, occasionally to 8 feet west of the marquesas keys. Nearshore waters very rough. Wednesday: East winds near 20 knots. Seas 2 to 4 feet, occasionally to 5 feet, except 4 to 6 feet, occasionally to 8 feet west of the marquesas keys. Nearshore waters rough. Wednesday Night: East winds near 20 knots, decreasing to 15 to 20 knots. Seas 2 to 3 feet, except 4 to 5 feet, occasionally to 6 feet west of the marquesas keys. Nearshore waters rough, becoming choppy. | |
| Zone Forecast: Gulf of America from West End of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms (GMZ035) | |
Visit your local NWS office at: https://www.weather.gov/key |