Marine Weather Net

East Cape Sable to Chokoloskee FL out 20 NM Marine Forecast


TONIGHT

W
WINDS
5 - 10
KNOTS

MON

NW
WINDS
25 - 30
KNOTS

MON NIGHT

N
WINDS
25 - 30
KNOTS

TUE

N
WINDS
25 - 30
KNOTS

The Marine Weather Forecast In Detail:
GMZ657 Forecast Issued: 1201 PM EST Sun Nov 09 2025

SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH LATE TUESDAY NIGHT
Tonight...W Winds 5 To 10 Kt, Increasing To 10 To 15 Kt With Gusts Up To 20 Kt Late. Seas Less Than 2 Ft Or Less, Then 1 To 2 Ft After Midnight. Wave Detail: W 2 Ft At 3 Seconds. Bay And Inland Waters A Moderate Chop.
Mon...Nw Winds 25 To 30 Kt. Seas 3 To 5 Ft, Occasionally To 6 Ft, Building To 5 To 7 Ft, Occasionally To 9 Ft In The Afternoon. Wave Detail: Nw 5 Ft At 5 Seconds, Becoming Nw 7 Ft At 7 Seconds. Bay And Inland Waters Rough In Exposed Areas.
Mon Night...N Winds 25 To 30 Kt. Seas 5 To 8 Ft, Occasionally To 10 Ft. Wave Detail: Nw 8 Ft At 8 Seconds. Bay And Inland Waters Rough In Exposed Areas.
Tue...N Winds 25 To 30 Kt, Becoming Ne 20 To 25 Kt In The Afternoon. Seas 5 To 7 Ft, Occasionally To 9 Ft. Wave Detail: Nw 7 Ft At 8 Seconds And Ne 5 Ft At 4 Seconds. Bay And Inland Waters Rough In Exposed Areas.
Tue Night...Ne Winds 15 To 20 Kt With Gusts Up To 25 Kt. Seas 3 To 5 Ft, Occasionally To 6 Ft. Wave Detail: Nw 4 Ft At 8 Seconds And Ne 3 Ft At 4 Seconds. Bay And Inland Waters A Moderate Chop.
Wed...Ne Winds 15 To 20 Kt, Diminishing To 10 To 15 Kt In The Afternoon. Seas 2 To 4 Ft, Occasionally To 5 Ft. Wave Detail: Ne 3 Ft At 4 Seconds And Nw 2 Ft At 7 Seconds. Bay And Inland Waters A Moderate Chop.
Wed Night...Ne Winds 10 To 15 Kt. Seas Around 2 Ft. Bay And Inland Waters Light Chop.
Thu Through Fri...E Winds 10 To 15 Kt. Seas 2 To 3 Ft. Bay And Inland Waters Light Chop.
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GMZ600 Synopsis Issued: 936 AM CDT Tue Oct 15 2024

Synopsis...
A Strong Offshore Flow Will Develop Tonight In The Wake Of A Cold Front Continuing Through Wednesday Night. A Moderate To Occasionally Strong Easterly Flow Develops On Thursday And Continues Through The End Of The Week As High Pressure Moves North Of The Area.
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