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 >

Coastal Waters Forecast for Gulf of America including Dry Tortugas and Rebecca Shoal Channel (GMZ034) (Text-Only)
NWS Forecast for: Gulf of America including Dry Tortugas and Rebecca Shoal Channel (GMZ034)
Issued by: National Weather Service Key West, FL
Last Update: 428 AM EDT Mon Aug 31 2026


Today: East winds 5 to 10 knots, becoming northeast to east and decreasing to near 5 knots. Seas around 1 foot, subsiding to 1 foot or less. Wave detail: east 1 foot at 3 seconds. A chance of showers and thunderstorms.

Tonight: Northeast to east winds 5 to 10 knots, becoming east. seas around 1 foot. Wave detail: northeast to east 1 foot at 3 seconds. A chance of showers and thunderstorms.

Tuesday: East to southeast winds 5 to 10 knots, becoming northeast to east and decreasing to near 5 knots in the afternoon. Seas around 1 foot, subsiding to 1 foot or less. Wave detail: east to southeast 1 foot at 3 seconds. A chance of showers and thunderstorms.

Tuesday Night: Northeast to east winds near 5 knots, becoming east and increasing to 5 to 10 knots after midnight. Seas 1 foot or less, building to around 1 foot. A chance of showers and thunderstorms.

Wednesday: East to southeast winds near 5 knots, becoming northeast to east. Seas 1 foot or less. A chance of showers and thunderstorms.

Wednesday Night: East winds near 5 knots, increasing to 5 to 10 knots. Seas 1 foot or less, building to around 1 foot. A chance of showers and thunderstorms.

Thursday: East to southeast winds 5 to 10 knots, increasing to near 10 knots. Seas around 1 foot. Showers likely with a chance of thunderstorms.

Thursday Night: East to southeast winds near 10 knots. Seas 1 to 2 feet. Showers and thunderstorms likely.

Friday: Southeast winds 5 to 10 knots. Seas around 1 foot. Showers and thunderstorms likely.

Friday Night: Southeast winds 5 to 10 knots. Seas around 1 foot. Showers and thunderstorms likely.







Zone Forecast: Gulf of America including Dry Tortugas and Rebecca Shoal Channel (GMZ034)

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