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TROPICAL DEPRESSION EIGHTEEN FORECAST/ADVISORY NUMBER   4
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL182017
1500 UTC SAT OCT 28 2017

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

A TROPICAL STORM WATCH HAS BEEN ISSUED FOR PORTIONS OF SOUTHEASTERN
FLORIDA AND THE UPPER FLORIDA KEYS FROM CRAIG KEY TO GOLDEN BEACH.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* CUBAN PROVINCES OF ISLA DE LA JUVENTUD...LA HABANA...CIUDAD DE
LA HABANA...MATANZAS...CIENFUEGOS...AND VILLA CLARA
* NORTHWESTERN BAHAMAS

A TROPICAL STORM WATCH IS IN EFFECT FOR...
* CRAIG KEY TO GOLDEN BEACH
* CENTRAL BAHAMAS

A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN
THE NEXT 12-24 HOURS.

A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA...IN THIS CASE WITHIN 24 HOURS.

INTERESTS IN THE CAYMAN ISLANDS SHOULD MONITOR THE PROGRESS OF THIS
SYSTEM.

TROPICAL DEPRESSION CENTER LOCATED NEAR 20.8N  82.9W AT 28/1500Z
POSITION ACCURATE WITHIN  30 NM

PRESENT MOVEMENT TOWARD THE NORTH-NORTHEAST OR  20 DEGREES AT  19 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 1005 MB
MAX SUSTAINED WINDS  30 KT WITH GUSTS TO  40 KT.
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT.  RADII IN NAUTICAL
MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.

REPEAT...CENTER LOCATED NEAR 20.8N  82.9W AT 28/1500Z
AT 28/1200Z CENTER WAS LOCATED NEAR 19.9N  83.5W

FORECAST VALID 29/0000Z 23.0N  81.8W
MAX WIND  35 KT...GUSTS  45 KT.
34 KT... 50NE 120SE   0SW   0NW.

FORECAST VALID 29/1200Z 26.6N  78.5W
MAX WIND  40 KT...GUSTS  50 KT.
34 KT...120NE 120SE  50SW   0NW.

FORECAST VALID 30/0000Z 31.5N  74.0W
MAX WIND  45 KT...GUSTS  55 KT.
34 KT...120NE 150SE 100SW   0NW.

FORECAST VALID 30/1200Z 37.5N  69.5W...POST-TROP/EXTRATROP
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 60NE  60SE  30SW   0NW.
34 KT...150NE 150SE 120SW  30NW.

FORECAST VALID 31/1200Z...DISSIPATED

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 20.8N  82.9W

NEXT ADVISORY AT 28/2100Z

$$
FORECASTER STEWART


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