812  
FZNT25 KNHC 151508  
OFFN04  
 
NAVTEX MARINE FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
1108 AM EDT SUN SEP 15 2019  
 
...PLEASE REFER TO COASTAL WATERS FORECASTS (CWF) AVAILABLE  
THROUGH NOAA WEATHER RADIO AND OTHER MEANS FOR DETAILED  
COASTAL WATERS FORECASTS...  
 
SOUTHEAST GULF OF MEXICO  
   
SYNOPSIS
 
A LARGE AREA OF DISORGANIZED SHOWERS AND  
THUNDERSTORMS OVER THE CENTRAL AND EASTERN GULF OF MEXICO IS  
ASSOCIATED WITH AN UPPER-LEVEL LOW AND A WEAK SURFACE TROUGH.  
SOME SLIGHT DEVELOPMENT OF THIS SYSTEM IS POSSIBLE DURING THE  
NEXT COUPLE OF DAYS WHILE IT MOVES WESTWARD OVER THE WESTERN  
GULF OF MEXICO. THE SYSTEM IS FORECAST TO MOVE INLAND ALONG THE  
NORTHWESTERN GULF COAST BY LATE MONDAY OR TUESDAY, AND FURTHER  
DEVELOPMENT IS NOT EXPECTED AFTER THAT TIME. WEAK HIGH PRESSURE  
WILL BUILD OVER THE GULF THROUGH MID WEEK.  
   
THIS AFTERNOON
 
S TO SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT.  
SCATTERED SHOWERS.    
TONIGHT
 
W TO NW WINDS 5 TO 10 KT, SHIFTING TO S TO SW AFTER  
MIDNIGHT. SEAS 3 FT.    
MON
 
W TO NW WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.    
MON NIGHT
 
NW TO N WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.    
TUE
 
NW TO N WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.    
TUE NIGHT
 
N WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.    
WED
 
N TO NE WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.    
WED NIGHT
 
NE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS, BUILDING TO  
3 FT AFTER MIDNIGHT.    
THU
 
NE TO E WINDS 15 TO 20 KT. SEAS 3 FT.  
 
WITHIN 200 NM EAST OF THE COAST OF FLORIDA  
   
SYNOPSIS
 
TROPICAL STORM HUMBERTO NEAR 28.9N 77.9W 997 MB AT  
11 AM EDT MOVING N AT 6 KT. MAXIMUM SUSTAINED WINDS 55 KT GUSTS  
65 KT. HUMBERTO WILL STRENGTHEN TO A HURRICANE NEAR 29.5N 77.7W  
THIS EVENING, MOVE TO 30.0N 77.1W MON MORNING, 30.3N 75.9W MON  
EVENING, 30.7N 74.4W TUE MORNING, AND 31.6N 69.6W WED MORNING.  
HUMBERTO WILL CHANGE LITTLE IN INTENSITY AS IT MOVES TO NEAR  
34.5N 62.8W EARLY THU, AND CONTINUE TO NEAR 39.0N 57.0W FRI.  
NORTHERLY SWELL WILL REACH THE ATLANTIC PASSAGES INTO THE  
CARIBBEAN SEA LATE ON MON.  
   
..HURRICANE WARNING
 
 
   
THIS AFTERNOON
 
TROPICAL STORM CONDITIONS. SW TO W WINDS 10 TO  
15 KT S OF 27N, AND W 50 TO 60 KT N OF 27N. SEAS 3 TO 19 FT IN NE  
TO E SWELL. SCATTERED SHOWERS AND ISOLATED TSTMS. VSBY 1 NM OR  
LESS.    
TONIGHT
 
TROPICAL STORM CONDITIONS EXPECTED. S OF 27N,W TO NW  
WINDS 10 TO 15 KT, SHIFTING TO SW AFTER MIDNIGHT. N OF 27N,W  
WINDS 60 TO 65 KT. SEAS 3 TO 19 FT IN NE SWELL. SCATTERED SHOWERS  
AND ISOLATED TSTMS. VSBY 1 NM OR LESS.    
MON
 
TROPICAL STORM CONDITIONS EXPECTED. S OF 27N,W WINDS  
10 TO 15 KT. N OF 27N,W WINDS 60 TO 65 KT, BECOMING W TO NW  
40 TO 45 KT IN THE AFTERNOON. SEAS 3 TO 15 FT IN NE SWELL.  
SCATTERED SHOWERS. VSBY 1 NM OR LESS.    
MON NIGHT
 
TROPICAL STORM CONDITIONS POSSIBLE. NW WINDS 5 TO  
10 KT S OF 27N, AND NW 25 TO 30 KT N OF 27N. SEAS 3 TO 12 FT.    
TUE
 
TROPICAL STORM CONDITIONS POSSIBLE. NW WINDS 5 TO 10 KT S  
OF 27N, AND NW TO N 15 TO 20 KT N OF 27N. SEAS 3 TO 10 FT.    
TUE NIGHT
 
N WINDS 10 TO 15 KT. SEAS 3 TO 9 FT.    
WED
 
N WINDS 10 TO 15 KT. SEAS 3 TO 8 FT.    
WED NIGHT
 
N TO NE WINDS 10 TO 15 KT S OF 27N, AND N TO NE  
15 TO 20 KT N OF 27N. SEAS 3 TO 9 FT.    
THU
 
NE WINDS 10 TO 15 KT. SEAS 3 TO 10 FT IN NE SWELL.  
 
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