Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Tampa Bay Ruskin FL
335 AM EDT Thu Sep 17 2026
GMZ830-836-850-853-856-870-873-876-180600-
/O.CON.KTBW.SC.Y.0019.000000T0000Z-260918T0600Z/
Tampa Bay waters-Charlotte Harbor and Pine Island Sound-
Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM-
Coastal waters from Englewood to Tarpon Springs FL out 20 NM-
Coastal waters from Bonita Beach to Englewood FL out 20 NM-
Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM-
Waters from Englewood to Tarpon Springs FL out 20 to 60 NM-
Waters from Bonita Beach to Englewood FL out 20 to 60 NM-
335 AM EDT Thu Sep 17 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT FRIDAY...
* WHAT...Northeast winds 20 to 25 knots with gusts up to 30
knots.
* WHERE...Portions of Gulf of America.
* WHEN...Until 2 AM EDT Friday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Miami FL
124 AM EDT Thu Sep 17 2026
GMZ656-657-676-180300-
/O.CON.KMFL.SC.Y.0026.000000T0000Z-260918T0300Z/
Coastal waters from Chokoloskee to Bonita Beach FL out 20 NM-
Coastal waters from East Cape Sable to Chokoloskee FL out 20 NM-
Waters from Chokoloskee to Bonita Beach FL from 20 to 60 NM-
124 AM EDT Thu Sep 17 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS
EVENING...
* WHAT...Northeast winds around 20 kt with gusts up to 25 kt.
* WHERE...Coastal waters from Chokoloskee to Bonita Beach FL out
20 NM, Coastal waters from East Cape Sable to Chokoloskee FL
out 20 NM and Waters from Chokoloskee to Bonita Beach FL from
20 to 60 NM.
* WHEN...Until 11 PM EDT Thursday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
Short Term Forecast
Short Term Forecast
National Weather Service Key West FL
655 AM EDT Thu Sep 17 2026
FLZ076>078-GMZ031>035-042>044-052>055-072>075-171200-
Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys-
Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood
Sound-
Bayside and Gulfside from Craig Key to west end of Seven Mile Bridge-
Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out
and beyond 5 fathoms-
Gulf of America including Dry Tortugas and Rebecca Shoal Channel-
Gulf of America from west end of Seven Mile Bridge to Halfmoon Shoal
out to 5 Fathoms-
Hawk Channel from Ocean Reef to Craig Key out to the reef-
Hawk Channel from Craig Key to west end of Seven Mile Bridge out to
the reef-
Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal
out to the reef-
Straits of Florida from Ocean Reef to Craig Key out 20 NM-
Straits of Florida from Craig Key to west end of Seven Mile Bridge
out 20 NM-
Straits of Florida from west end of Seven Mile Bridge to south of
Halfmoon Shoal out 20 NM-
Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas
out 20 NM-
Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out-
Straits of Florida from Craig Key to west end of Seven Mile Bridge
20 to 60 NM out-
Straits of Florida from west end of Seven Mile Bridge to south of
Halfmoon Shoal 20 to 60 NM out-
Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas
20 to 60 NM out-
Including the Communities of Key Largo, Marathon, and Key West
655 AM EDT Thu Sep 17 2026
.NOW...
Through 8 am, widely scattered showers with occasional thunderstorms
will continue moving westward at near 15 knots across the Florida
Keys coastal waters. Mariners encountering the stronger activity can
expect wind gusts of to near 25 knots, blinding downpours, and the
potential for a lightning strike.
$$
