Marine Weather Net

East Cape Sable to Chokoloskee out 20 to 60 NM Marine Forecast


THIS AFTERNOON

E
WINDS
10
KNOTS

TONIGHT

E
WINDS
10 - 15
KNOTS

SATURDAY

ESE
WINDS
10 - 15
KNOTS

SATURDAY NIGHT

ESE
WINDS
10 - 15
KNOTS

The Marine Weather Forecast In Detail:
GMZ033 Forecast Issued: 1027 AM EDT Fri Aug 14 2026

This Afternoon...East Winds Near 10 Knots, Becoming Northeast To East. Seas 1 To 2 Feet. Wave Detail: East To Southeast 1 Foot At 3 Seconds. A Slight Chance Of Showers And Thunderstorms.
Tonight...East Winds 10 To 15 Knots, Becoming East To Southeast. Seas 1 To 2 Feet, Building To 2 To 3 Feet. Wave Detail: East 2 Feet At 3 Seconds. A Chance Of Showers And Thunderstorms.
Saturday...East To Southeast Winds 10 To 15 Knots, Decreasing To Near 10 Knots. Seas 2 To 3 Feet, Subsiding To 1 To 2 Feet. Wave Detail: East To Southeast 2 Feet At 4 Seconds. A Chance Of Showers And Thunderstorms.
Saturday Night...East To Southeast Winds 10 To 15 Knots, Increasing To Near 15 Knots. Seas Around 2 Feet, Building To 2 To 3 Feet. A Slight Chance Of Showers And Thunderstorms.
Sunday...East Winds 10 To 15 Knots, Decreasing To Near 10 Knots. Seas 2 To 3 Feet, Subsiding To 1 To 3 Feet.
Sunday Night...East Winds Near 10 Knots. Seas 1 To 2 Feet.
Monday...Northeast To East Winds 5 To 10 Knots, Becoming Variable Near 5 Knots. Seas 1 To 2 Feet.
Monday Night...North Winds Near 5 Knots. Seas Around 1 Foot. A Slight Chance Of Showers.
Tuesday...North Winds Near 5 Knots. Seas 1 Foot Or Less.
Tuesday Night...Northwest To North Winds Near 5 Knots. Seas 1 Foot Or Less. A Slight Chance Of Showers.
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GMZ005 Synopsis Issued: 1027 AM EDT Fri Aug 14 2026

Synopsis...
High Pressure In The Central North Atlantic Will Strengthen And Build Westward For The Next Several Days. With The Associated Ridge Axis Located North Of The Florida Keys, This Will Support Gentle To Moderate East To Southeast Breezes For The Marine Zones Through Sunday Night. A Weak Frontal Boundary Will Stall Over The Florida Peninsula For Early Next Week. This Will Disrupt The Ridge'S Influence On The Keys Coastal Waters. Breezes Will Respond, Becoming Light To Gentle. The Approximate Shoreward Edge Of The Gulf Stream As Of August 13, 2026... 38 Nm South Of Dry Tortugas Light...On Loggerhead Key. 20 Nm South Of Cosgrove Shoal Light...Off The Marquesas Keys. 17 Nm South Of Sand Key Light...Off Key West. 21 Nm South Of Looe Key...Off Big Pine Key. 18 Nm Southeast Of Sombrero Key Light...Off Marathon. 7 Nm Southeast Of Alligator Reef Light...Off Islamorada. 7 Nm Southeast Of Molasses Reef Light...Off Key Largo. 2 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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