Marine Weather Net

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


OVERNIGHT

E
WINDS
10
KNOTS

WEDNESDAY

SE
WINDS
5 - 10
KNOTS

WEDNESDAY NIGHT

SE
WINDS
5 - 10
KNOTS

THURSDAY

SSE
WINDS
5 KNOTS

The Marine Weather Forecast In Detail:
GMZ033 Forecast Issued: 1042 PM EDT Tue Apr 28 2026

Overnight...East Winds Near 10 Knots, Decreasing To 5 To 10 Knots. Seas 1 To 2 Feet. Wave Detail: East 2 Feet At 4 Seconds. A Slight Chance Of Showers.
Wednesday...Southeast Winds 5 To 10 Knots. Seas 1 To 2 Feet. Wave Detail: East To Southeast 1 Foot At 3 Seconds.
Wednesday Night...Southeast Winds 5 To 10 Knots. Seas Around 1 Foot. Wave Detail: Southeast 1 Foot At 3 Seconds.
Thursday...Southeast To South Winds Near 5 Knots. Seas 1 Foot Or Less.
Thursday Night...North Winds Near 5 Knots, Becoming East To Southeast After Midnight. Seas 1 Foot Or Less.
Friday...Southeast Winds 5 To 10 Knots. Seas Around 1 Foot.
Friday Night...East To Southeast Winds 5 To 10 Knots, Becoming Southeast To South And Increasing To Near 15 Knots After Midnight. Seas 1 To 2 Feet, Building To 2 To 3 Feet.
Saturday...Southeast To South Winds Near 15 Knots, Becoming South And Decreasing To 5 To 10 Knots. Seas 2 To 3 Feet.
Saturday Night...Southeast Winds 5 To 10 Knots, Becoming South And Increasing To 10 To 15 Knots. Seas 2 To 3 Feet. A Slight Chance Of Showers.
Sunday...West Winds 5 To 10 Knots, Becoming West To Northwest 10 To 15 Knots. Seas 2 To 3 Feet. A Chance Of Showers With A Slight Chance Of Thunderstorms.
Sunday Night...Northwest To North Winds 10 To 15 Knots. Seas 2 To 3 Feet. A Chance Of Showers And Thunderstorms.
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GMZ005 Synopsis Issued: 1042 PM EDT Tue Apr 28 2026

Synopsis...
High Pressure Centered Over The Mid-Atlantic Will Continue To Promote Gentle To Moderate Northeast To East Breezes Through The Overnight Hours. As The High Slides Into The Western North Atlantic Through Mid-Week, Breezes Will Gradually Veer To The East To Southeast. Multiple Low Pressure Systems Are Expected To Traverse Across The Eastern U.S. Mid To Late Week. This Combined With Weak Low Pressure Across The Western North Atlantic Will Result In A Period Of Mainly Southeast To South Breezes. The Approximate Shoreward Edge Of The Gulf Stream As Of April 28... 16 Nm South Of Dry Tortugas Light...On Loggerhead Key. 10 Nm South Of Cosgrove Shoal Light...Off The Marquesas Keys. 9 Nm South Of Sand Key Light...Off Key West. 9 Nm South Of Looe Key...Off Big Pine Key. 12 Nm Southeast Of Sombrero Key Light...Off Marathon. 10 Nm Southeast Of Alligator Reef Light...Off Islamorada. 6 Nm Southeast Of Molasses Reef Light...Off Key Largo. 6 Nm Southeast Of Carysfort Reef Light...Off Ocean Reef. Gulf Stream Information Courtesy Of The National Weather Service In Key West Based On Products From Nasa Sport And Rtofs.

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