Marine Weather Net

Gulf of Mexico including Dry Tortugas and Rebecca Shoal Channel Marine Forecast


THIS AFTERNOON

ESE
WINDS
10 - 15
KNOTS

TONIGHT

SE
WINDS
15
KNOTS

THURSDAY

ESE
WINDS
15
KNOTS

THURSDAY NIGHT

ESE
WINDS
15 - 20
KNOTS

The Marine Weather Forecast In Detail:
GMZ034 Forecast Issued: 1017 AM EDT Wed Jul 08 2026

This Afternoon...East To Southeast Winds 10 To 15 Knots. Seas 1 To 2 Feet. Wave Detail: East To Southeast 2 Feet At 3 Seconds. A Slight Chance Of Showers And Thunderstorms.
Tonight...East To Southeast Winds Increasing To Near 15 Knots. Seas Building To 2 To 4 Feet, Occasionally To 5 Feet. Wave Detail: East To Southeast 3 Feet At 4 Seconds.
Thursday...East To Southeast Winds Near 15 Knots, Decreasing To 10 To 15 Knots. Seas 2 To 4 Feet, Occasionally To 5 Feet. Wave Detail: East To Southeast 3 Feet At 4 Seconds.
Thursday Night...East To Southeast Winds 15 To 20 Knots. Seas 2 To 4 Feet, Occasionally To 5 Feet. A Chance Of Showers And Thunderstorms.
Friday...East To Southeast Winds Near 15 Knots, Decreasing To 10 To 15 Knots. Seas 2 To 4 Feet, Occasionally To 5 Feet. A Chance Of Showers And Thunderstorms.
Friday Night...East To Southeast Winds 15 To 20 Knots, Decreasing To 10 To 15 Knots. Seas 2 To 4 Feet, Subsiding To 2 To 3 Feet. A Chance Of Showers And Thunderstorms.
Saturday...Southeast Winds 10 To 15 Knots. Seas 2 To 3 Feet. A Slight Chance Of Showers And Thunderstorms.
Saturday Night...East To Southeast Winds Near 10 Knots. Seas 1 To 2 Feet.
Sunday...East To Southeast Winds Decreasing To 5 To 10 Knots. Seas 1 To 2 Feet.
Sunday Night...East To Southeast Winds 5 To 10 Knots. Seas Around 1 Foot.
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GMZ005 Synopsis Issued: 1017 AM EDT Wed Jul 08 2026

Synopsis...
Winds Will Trend Upwards Over The Next Couple Of Days As The Atlantic Ridge Across Central Florida Strengthens. Light To Gentle Breezes Will Become Moderate To Fresh By Tonight. Winds Will Tend To Peak In The Evenings And Lull Slightly During The Day. At Least Marine Cautions Will Be Required To Most Keys Waters Over The Next Few Days. Breezes Are Expected To Ease Back Gradually Through The Weekend. Shower And Thunder Chances Will Be Slight Or Less Over The Next Few Days, But Trend Sharply Upwards Late In The Week As A Weak Low Level Trough Pushes Westward Across Our Area. The Approximate Shoreward Edge Of The Gulf Stream As Of July 5... 51 Nm Southeast Of Dry Tortugas Light...On Loggerhead Key. 15 Nm Southeast Of Cosgrove Shoal Light...Off The Marquesas Keys. 6 Nm South Of Sand Key Light...Off Key West. 6 Nm South Of Looe Key...Off Big Pine Key. 6 Nm Southeast Of Sombrero Key Light...Off Marathon. 7 Nm Southeast Of Alligator Reef Light...Off Islamorada. 6 Nm Southeast Of Molasses Reef Light...Off Key Largo. 4 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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