Special Marine Warning
Special Marine Warning
GMZ033>035-044-171715-
/O.NEW.KKEY.MA.W.0349.250917T1639Z-250917T1715Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service Key West FL
1239 PM EDT Wed Sep 17 2025
The National Weather Service in Key West has issued a
* Special Marine Warning for...
Gulf Waters from East Cape Sable to Chokoloskee 20 to 60 nm out and
beyond 5 fathoms...
Gulf of America from west end of Seven Mile Bridge to Halfmoon
Shoal out to 5 fathoms...
Gulf of America including Dry Tortugas and Rebecca Shoal Channel...
Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal
out to the reef...
* Until 115 PM EDT.
* At 1239 PM EDT, a strong thunderstorm was located near Halfmoon
Shoal Light, moving west at 5 knots.
HAZARD...Wind gusts 34 knots or greater.
SOURCE...Radar.
IMPACT...Expect wind gusts in excess of 34 knots, suddenly higher
waves, frequent lightning, and heavy downpours.
* Locations in the warning include...
New Ground Rocks Light and Halfmoon Shoal Light.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare for wind gusts in excess of 34 knots, steep and fast-building
seas, frequent lightning, and blinding downpours. Stay low or go
below, and make sure all on board are wearing life jackets.
&&
LAT...LON 2460 8218 2446 8232 2452 8253 2472 8245
TIME...MOT...LOC 1639Z 112DEG 7KT 2454 8236
HAIL...0.00IN
WIND...>34KTS
$$
AJP
Rip Current Statement
Coastal Hazard Message
National Weather Service Melbourne FL
1030 AM EDT Wed Sep 17 2025
FLZ159-164-172230-
/O.NEW.KMLB.RP.S.0021.250917T1430Z-250918T0800Z/
Coastal Saint Lucie-Coastal Martin-
1030 AM EDT Wed Sep 17 2025
...HIGH RIP CURRENT RISK IN EFFECT THROUGH LATE TONIGHT...
* WHAT...Dangerous rip currents.
* WHERE...Coastal Saint Lucie and Coastal Martin Counties.
* WHEN...Through late tonight.
* IMPACTS...Rip currents can sweep even the best swimmers away
from shore into deeper water.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Rip currents are powerful channels of water flowing quickly away
from shore, which occur most often at low spots or breaks in the
sandbar and in the vicinity of structures such as jetties and
piers. Heed the advice of lifeguards, beach patrol flags and
signs.
Entering the surf is strongly discouraged. If caught in a rip
current, relax and float. Don`t swim against the current. If
able, swim in a direction following the shoreline. If unable to
escape, face the shore and call or wave for help.
&&
$$
Coastal Hazard Message
National Weather Service Miami FL
137 AM EDT Wed Sep 17 2025
FLZ168-180000-
/O.EXT.KMFL.RP.S.0031.000000T0000Z-250919T0000Z/
Coastal Palm Beach County-
137 AM EDT Wed Sep 17 2025
...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH THURSDAY EVENING...
* WHAT...Dangerous rip currents.
* WHERE...Coastal Palm Beach County.
* WHEN...Through Thursday evening.
* IMPACTS...Rip currents can sweep even the best swimmers away
from shore into deeper water.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Swim near a lifeguard. If caught in a rip current, relax and
float. Don`t swim against the current. If able, swim in a
direction following the shoreline. If unable to escape, face the
shore and call or wave for help.
&&
$$
Coastal Flood Statement
Coastal Hazard Message
National Weather Service Key West FL
410 AM EDT Wed Sep 17 2025
FLZ076-171815-
/O.EXT.KKEY.CF.S.0003.000000T0000Z-250918T1000Z/
Monroe Upper Keys-
410 AM EDT Wed Sep 17 2025
...COASTAL FLOOD STATEMENT NOW IN EFFECT THROUGH LATE TONIGHT...
* WHAT...Minor saltwater flooding.
* WHERE...Upper Florida Keys.
* WHEN...Through late tonight.
* IMPACTS...Minor saltwater flooding of low elevation streets and
lots is likely. Some storm drains will overflow, and some
seawalls and docks will be overtopped. Boaters can expect less
clearance under fixed bridges. Motorists should remember that
persistent puddles around the times of high tide are almost
certain to contain a mix of saltwater.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Do not drive through flooded roadways.
&&
$$
DP
Marine Weather Statement
Marine Weather Statement
National Weather Service Key West FL
1135 AM EDT Wed Sep 17 2025
GMZ033-034-171800-
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-
1135 AM EDT Wed Sep 17 2025
...STRONG THUNDERSTORMS OVER THE OUTER GULF WATERS...
Nearly stationary thunderstorms capable of generating 30 knot gusts
continue to wax and wane over the Outer Gulf Waters. These storms are
capable of generating wind gusts near 30 knots, blinding downpours in
heavy rain, and frequent lightning strikes. The thunderstorms are
moving westerly at near 5 knots.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare for thunderstorms with wind gusts near 30 knots, locally
rough and confused seas, occasional lightning strikes, and
potentially blinding downpours. Get to a safe port as quickly, and as
safely as possible. When downpours reduce visibility, slow down.
$$
AJP
Short Term Forecast
Short Term Forecast
National Weather Service Key West FL
1154 AM EDT Wed Sep 17 2025
FLZ076>078-GMZ031-032-035-042>044-052>055-072>075-171700-
Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys-
Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood
Sound-
Bayside and Gulfside from Craig Key to west end of Seven Mile Bridge-
Gulf of America from west end of Seven Mile Bridge to Halfmoon Shoal
out to 5 Fathoms-
Hawk Channel from Ocean Reef to Craig Key out to the reef-
Hawk Channel from Craig Key to west end of Seven Mile Bridge out to
the reef-
Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal
out to the reef-
Straits of Florida from Ocean Reef to Craig Key out 20 NM-
Straits of Florida from Craig Key to west end of Seven Mile Bridge
out 20 NM-
Straits of Florida from west end of Seven Mile Bridge to south of
Halfmoon Shoal out 20 NM-
Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas
out 20 NM-
Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out-
Straits of Florida from Craig Key to west end of Seven Mile Bridge
20 to 60 NM out-
Straits of Florida from west end of Seven Mile Bridge to south of
Halfmoon Shoal 20 to 60 NM out-
Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas
20 to 60 NM out-
Including the Communities of Key Largo, Marathon, and Key West
1154 AM EDT Wed Sep 17 2025
.NOW...
Through 100 pm, scattered showers with embedded thunderstorms will
move west to northwest at near 10 knots through the Florida Straits,
the nearshore waters of the Florida Keys, and the island chain. The
stronger of the activity will be capable of blinding downpours, wind
gusts of 25 to 30 knots, and frequent lightning strikes. Island
communities, particularly in the Lower Keys, may observe an
additional half of an inch to an inch of rainfall.
$$
