Gulf of Mexico including Dry Tortugas and Rebecca Shoal Channel Marine Forecast
| Tonight...Southwest To West Winds 10 To 15 Knots, Decreasing To 5 To 10 Knots. Seas Around 2 Feet, Subsiding To 1 To 2 Feet. Wave Detail: West 2 Feet At 4 Seconds. |
| Thursday...Southwest Winds 5 To 10 Knots. Seas 1 To 2 Feet. Wave Detail: West To Northwest 1 Foot At 5 Seconds. |
| Thursday Night...Southwest To West Winds Near 5 Knots. Seas 1 To 2 Feet. Wave Detail: West To Northwest 1 Foot At 4 Seconds. |
| Friday...Variable Winds Near 5 Knots, Becoming West. Seas 1 To 2 Feet. A Slight Chance Of Showers And Thunderstorms. |
| Friday Night...Northwest To North Winds Near 5 Knots, Becoming Variable. Seas Around 1 Foot. A Slight Chance Of Showers And Thunderstorms. |
| Saturday...Variable Winds Near 5 Knots. Seas Around 1 Foot. A Slight Chance Of Showers And Thunderstorms. |
| Saturday Night...Northwest To North Winds Near 5 Knots, Becoming Southeast. Seas Around 1 Foot. A Slight Chance Of Showers And Thunderstorms. |
| Sunday...Southeast To South Winds 5 To 10 Knots. Seas 1 To 2 Feet. |
| Sunday Night...East To Southeast Winds 5 To 10 Knots, Increasing To Near 10 Knots. Seas 1 To 2 Feet, Building To Around 2 Feet. A Slight Chance Of Showers And Thunderstorms. |
| Monday...Southeast To South Winds 5 To 10 Knots. Seas 1 To 2 Feet. A Slight Chance Of Showers And Thunderstorms. |
| Monday Night...East Winds 5 To 10 Knots. Seas 1 To 2 Feet. A Slight Chance Of Showers And Thunderstorms. |
GMZ005 Synopsis Issued: 423 PM EDT Wed Jul 29 2026
Synopsis...
Troughing Combined With The Western Periphery Of An Atlantic Surface Ridge Will Support Moderate To Fresh Southwest To West Breezes Across The Keys Marine Zones, Especially Over The Adjacent Nearshore And Offshore Waters Off The Upper Keys. Breezes Will Gradually Slacken Overnight Through Thursday Night, As Weak Nebulous Flow Takes Over. A Col Region Will Set Up For Late Week Into The First Part Of The Weekend, Resulting In A Potential Period Of Light And Variable Breezes. As High Pressure Strengthens In The North Atlantic, Southeast Breezes Will Freshen By The Second Half Of The Weekend And Into Early Next Week. The Approximate Shoreward Edge Of The Gulf Stream As Of July 26, 2026... 40 Nm South Of Dry Tortugas Light...On Loggerhead Key. 49 Nm South Of Cosgrove Shoal Light...Off The Marquesas Keys. 44 Nm South Of Sand Key Light...Off Key West. 28 Nm South Of Looe Key...Off Big Pine Key. 4 Nm South Of Sombrero Key Light...Off Marathon. 3 Nm Southeast Of Alligator Reef Light...Off Islamorada. 1 Nm Southeast Of Molasses Reef Light...Off Key Largo. 1 Nm Southeast Of Carysfort Reef Light...Off Ocean Reef. Gulf Stream Information Courtesy Of The National Weather Service In Key West, Using Data From Rtofs And Nasa Sport Sst.
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