Marine Weather Net

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


OVERNIGHT

ESE
WINDS
10
KNOTS

MONDAY

ESE
WINDS
10 - 15
KNOTS

MONDAY NIGHT

TUESDAY

ESE
WINDS
5 - 10
KNOTS

The Marine Weather Forecast In Detail:
GMZ033 Forecast Issued: 1028 PM EDT Sun Jun 28 2026

Overnight...East To Southeast Winds Near 10 Knots, Increasing To 10 To 15 Knots. Seas 1 To 2 Feet, Building To 2 To 3 Feet. Wave Detail: East To Southeast 2 Feet At 4 Seconds. A Slight Chance Of Showers And Thunderstorms.
Monday...East To Southeast Winds 10 To 15 Knots, Becoming Northeast To East And Decreasing To 5 To 10 Knots. Seas 2 To 3 Feet, Subsiding To 1 To 2 Feet. Wave Detail: East 2 Feet At 4 Seconds. A Slight Chance Of Showers And Thunderstorms.
Monday Night...Northeast To East Increasing To Near 10 Knots. Seas 1 To 2 Feet. Wave Detail: East 1 Foot At 3 Seconds. A Slight Chance Of Showers And Thunderstorms.
Tuesday...East To Southeast Winds 5 To 10 Knots, Becoming North In The Afternoon. Seas 1 To 2 Feet, Subsiding To Around 1 Foot. A Slight Chance Of Showers And Thunderstorms.
Tuesday Night...North Winds 5 To 10 Knots, Becoming Northeast To East. Seas Around 1 Foot. A Chance Of Showers With A Slight Chance Of Thunderstorms.
Wednesday...Variable Winds Near 5 Knots. Seas Around 1 Foot. A Slight Chance Of Showers And Thunderstorms.
Wednesday Night...Variable Winds Near 5 Knots, Becoming East To Southeast. Seas Around 1 Foot. A Chance Of Showers And Thunderstorms.
Thursday...East To Southeast Winds Near 5 Knots. Seas 1 Foot Or Less. A Slight Chance Of Showers And Thunderstorms.
Thursday Night...East To Southeast Winds 5 To 10 Knots. Seas Around 1 Foot. A Chance Of Showers And Thunderstorms.
Friday...East To Southeast Winds Near 5 Knots. Seas Around 1 Foot. A Slight Chance Of Showers And Thunderstorms.
Friday Night...East To Southeast Winds 5 To 10 Knots. Seas Around 1 Foot. A Chance Of Showers And Thunderstorms.
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GMZ005 Synopsis Issued: 1028 PM EDT Sun Jun 28 2026

Synopsis...
A Broad High Pressure System Centered Over The North Atlantic Will Continue To Extend Westward To The Florida Peninsula Through Early Week. This Will Support Bouts Of Light To Gentle Breezes That May Freshen To Gentle To Moderate At Times, Mainly In The Overnight Hours. Starting Late Monday, A Frontal Boundary Will Press South Across The Florida Peninsula And Stall Across Central Florida. This Will Act To Weaken The High And Allow For Slackening Breezes Through Thursday. Thereafter, Breezes Will Resume A Cycle Of Overnight Peaks And Daytime Lulls. The Approximate Shoreward Edge Of The Gulf Stream As Of June 28, 2026... 33 Nm South Of Dry Tortugas Light...On Loggerhead Key. 8 Nm South Of Cosgrove Shoal Light...Off The Marquesas Keys. 7 Nm South Of Sand Key Light...Off Key West. 11 Nm South Of Looe Key...Off Big Pine Key. 12 Nm Southeast Of Sombrero Key Light...Off Marathon. 7 Nm Southeast Of Alligator Reef Light...Off Islamorada. 2 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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