000
WTNT23 KNHC 280838
TCMAT3

POTENTIAL TROPICAL CYCLONE EIGHTEEN FORECAST/ADVISORY NUMBER   3
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL182017
0900 UTC SAT OCT 28 2017

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

NONE.

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...
* CENTRAL BAHAMAS

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

A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA... IN THIS CASE WITHIN 36 HOURS.

INTERESTS IN THE CAYMAN ISLANDS... SOUTH FLORIDA... AND THE FLORIDA
KEYS SHOULD MONITOR THE PROGRESS OF THIS SYSTEM.

POTENTIAL TROP CYCLONE CENTER LOCATED NEAR 19.6N  84.2W AT 28/0900Z
POSITION ACCURATE WITHIN  50 NM

PRESENT MOVEMENT TOWARD THE NORTH OR  10 DEGREES AT   9 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 19.6N  84.2W AT 28/0900Z
AT 28/0600Z CENTER WAS LOCATED NEAR 18.9N  84.5W

FORECAST VALID 28/1800Z 21.7N  82.9W
MAX WIND  35 KT...GUSTS  45 KT.
34 KT... 50NE 120SE   0SW   0NW.

FORECAST VALID 29/0600Z 24.9N  80.1W
MAX WIND  40 KT...GUSTS  50 KT.
34 KT...120NE 120SE  50SW   0NW.

FORECAST VALID 29/1800Z 28.7N  76.5W
MAX WIND  45 KT...GUSTS  55 KT.
34 KT...120NE 150SE 100SW   0NW.

FORECAST VALID 30/0600Z 34.2N  71.0W...POST-TROP/EXTRATROP
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 50NE  60SE   0SW   0NW.
34 KT...150NE 150SE 100SW   0NW.

FORECAST VALID 31/0600Z...DISSIPATED

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 19.6N  84.2W

NEXT ADVISORY AT 28/1500Z

$$
FORECASTER BERG