805  
FZNT25 KNHC 160920  
OFFN04  
 
NAVTEX MARINE FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
520 AM EDT SAT AUG 16 2025  
 
...PLEASE REFER TO COASTAL WATERS FORECASTS (CWF) AVAILABLE  
THROUGH NOAA WEATHER RADIO AND OTHER MEANS FOR DETAILED  
COASTAL WATERS FORECASTS...  
 
SOUTHEAST GULF OF AMERICA  
   
SYNOPSIS  
A WEAK SURFACE RIDGE ACROSS THE REGION WILL PROVIDE  
GENTLE TO MODERATE NE TO E WINDS ACROSS THE E HALF OF THE GULF,  
AND E TO SE WINDS OF THE SAME SPEEDS W OF 90W THROUGH MON. SEAS  
DURING THIS PERIOD WILL FLUCTUATE BETWEEN SLIGHT TO MODERATE.  
AFTERWARD, WINDS WILL BECOME LIGHT TO GENTLE BASIN-WIDE AS A  
RESULT OF THE PASSAGE OF MAJOR HURRICANE ERIN ACROSS THE BAHAMAS  
OFFSHORE WATERS, WHICH WILL LOWER THE PRESSURE GRADIENT IN THE  
REGION. SEAS ARE FORCAST TO BE SLIGHT ACROSS THE GULF MON  
THROUGH WED. OTHERWISE, THE PROXIMITY OF THE CYCLONE MAY TRIGGER  
SCATTERED HEAVY SHOWERS AND TSTMS OVER THE NE GULF SAT NIGHT  
INTO SUN NIGHT.  
   
TODAY  
NE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS. SCATTERED  
SHOWERS AND ISOLATED TSTMS.    
TONIGHT  
N TO NE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.  
SCATTERED SHOWERS AND ISOLATED TSTMS.    
SUN  
NE TO E WINDS 5 TO 10 KT. SEAS 2 FT OR LESS. SCATTERED  
SHOWERS AND ISOLATED TSTMS.    
SUN NIGHT  
NE WINDS 5 TO 10 KT. SEAS 2 FT OR LESS. SCATTERED  
SHOWERS AND ISOLATED TSTMS.    
MON  
NE TO E WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.    
MON NIGHT  
NE WINDS 5 TO 10 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  
NW WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.  
 
WITHIN 200 NM EAST OF THE COAST OF FLORIDA  
   
SYNOPSIS  
HURRICANE ERIN IS NEAR 19.8N 61.1W AT 5 AM EDT, AND  
IS MOVING WEST-NORTHWEST AT 17 KT. MAXIMUM SUSTAINED WINDS ARE  
105 KT WITH GUSTS TO 130 KT, AND THE MINIMUM CENTRAL PRESSURE IS  
955 MB. ERIN WILL MOVE TO 20.3N 63.3W THIS AFTERNOON, 21.1N 65.6W  
SUN MORNING, 22.1N 67.5W SUN AFTERNOON, 23.3N 68.8W MON MORNING,  
24.6N 69.8W MON AFTERNOON, AND 26.2N 70.5W TUE MORNING. ERIN WILL  
CHANGE LITTLE IN INTENSITY AS IT MOVES NEAR 29.9N 70.9W EARLY WED.  
SWELLS GENERATED BY ERIN WILL AFFECT PORTIONS OF THE NORTHERN  
LEEWARD ISLANDS, THE VIRGIN ISLANDS, PUERTO RICO, HISPANIOLA, AND  
THE TURKS AND CAICOS ISLANDS THROUGH THE WEEKEND. THESE SWELLS  
WILL SPREAD TO THE BAHAMAS, BERMUDA, AND THE EAST COAST OF THE  
UNITED STATES EARLY NEXT WEEK. THESE ROUGH OCEAN CONDITIONS WILL  
LIKELY CAUSE LIFE-THREATENING SURF AND RIP CURRENTS.  
   
TODAY  
E WINDS 10 TO 15 KT S OF 27N, AND E TO SE 10 TO 15 KT N  
OF 27N. SEAS 2 FT OR LESS.    
TONIGHT  
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.    
SUN  
E TO SE WINDS 5 TO 10 KT, SHIFTING TO NE IN THE AFTERNOON.  
SEAS 2 FT OR LESS.    
SUN NIGHT  
NE WINDS 5 TO 10 KT S OF 27N, AND N TO NE 10 TO  
15 KT N OF 27N. SEAS 2 FT OR LESS, BUILDING TO 3 TO 5 FT AFTER  
MIDNIGHT.    
MON  
N WINDS 5 TO 10 KT S OF 27N, AND N TO NE 10 TO 15 KT N OF  
27N. SEAS 4 TO 6 FT IN E SWELL.    
MON NIGHT  
N WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
TUE  
NW WINDS 10 TO 15 KT S OF 27N, AND N 15 TO 20 KT N OF 27N.  
SEAS 5 TO 7 FT.    
TUE NIGHT  
W TO NW WINDS 5 TO 10 KT S OF 27N, AND NW TO N 10 TO  
15 KT N OF 27N. SEAS 5 TO 7 FT.   
WED  
W TO NW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN NE TO E  
SWELL.  
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