Marine Weather Net

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


THIS AFTERNOON

NE
WINDS
20
KNOTS

TONIGHT

NE
WINDS
20 - 25
KNOTS

TUESDAY

ENE
WINDS
20 - 25
KNOTS

TUESDAY NIGHT

ENE
WINDS
20
KNOTS

The Marine Weather Forecast In Detail:
GMZ033 Forecast Issued: 1020 AM EST Mon Dec 15 2025

SMALL CRAFT ADVISORY IN EFFECT
This Afternoon...Northeast Winds Near 20 Knots. Seas 5 To 7 Feet, Occasionally To 9 Feet. Wave Detail: North 5 Feet At 6 Seconds. Isolated Showers.
Tonight...Northeast Winds 20 To 25 Knots. Seas 5 To 7 Feet, Occasionally To 9 Feet. Wave Detail: Northeast 5 Feet At 5 Seconds And Northwest To North 3 Feet At 8 Seconds. Isolated Showers.
Tuesday...Northeast To East Winds 20 To 25 Knots, Decreasing To Near 20 Knots. Seas 4 To 6 Feet, Occasionally To 8 Feet. Wave Detail: North 5 Feet At 6 Seconds.
Tuesday Night...Northeast To East Winds Near 20 Knots, Decreasing To 15 To 20 Knots. Seas 4 To 6 Feet, Occasionally To 8 Feet., Subsiding To 3 To 5 Feet, Occasionally To 7 Feet.
Wednesday...East Winds Decreasing To 10 To 15 Knots. Seas Subsiding To 2 To 4 Feet, Occasionally To 5 Feet. Isolated Showers.
Wednesday Night...East Winds 10 To 15 Knots. Seas 2 To 3 Feet. Isolated Showers.
Thursday...East Winds 10 To 15 Knots. Seas 2 To 3 Feet. Isolated Showers.
Thursday Night...East Winds Near 10 Knots, Becoming Northeast. Seas 1 To 2 Feet. Isolated Showers.
Friday...North To Northeast Winds 5 To 10 Knots. Seas 1 To 2 Feet. Isolated Showers.
Friday Night...North To Northeast Winds 5 To 10 Knots, Increasing To Near 10 Knots. Seas 1 To 2 Feet. Isolated Showers.
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GMZ005 Synopsis Issued: 1020 AM EST Mon Dec 15 2025

Synopsis...
A Tightening Pressure Gradient Due To A Recent Cold Front Passage Will Maintain An Extended Period Of Fresh To Strong Breezes. Higher Pressure Building In During The Middle Of The Week Will Cause Breezes To Slacken For The Second Half Of The Week, And Light To Gentle Breezes Will Be In Place By The Weekend. The Approximate Shoreward Edge Of The Gulf Stream As Of December 15... 26 Nm South Of Dry Tortugas Light...On Loggerhead Key. 21 Nm South Of Cosgrove Shoal Light...Off The Marquesas Keys. 15 Nm South Of Sand Key Light...Off Key West. 18 Nm South Of Looe Key...Off Big Pine Key. 16 Nm Southeast Of Sombrero Key Light...Off Marathon. 13 Nm Southeast Of Alligator Reef Light...Off Islamorada. 7 Nm Southeast Of Molasses Reef Light...Off Key Largo. 3 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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