398
FZNT25 KNHC 211504
OFFN04
NAVTEX MARINE FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
1104 AM EDT THU AUG 21 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 PRESSURE PATTERN WILL CONTINUE OVER THE AREA
THROUGH THE PERIOD MAINTAINING QUIET MARINE CONDITIONS. MODERATE
TO FRESH NORTHEAST TO SOUTHEAST WINDS WILL BE POSSIBLE OVER THE
SOUTH-CENTRAL GULF EACH AFTERNOON AND EVENING THROUGH THIS
WEEKEND AS A TROUGH DEVELOPS OVER THE YUCATAN PENINSULA AND
MOVES WESTWARD.
THIS AFTERNOON
SW TO W WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.
TONIGHT
SW WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.
FRI
SW WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.
FRI NIGHT
SW TO W WINDS 5 TO 10 KT, SHIFTING TO S TO SW AFTER
MIDNIGHT. SEAS 2 FT OR LESS.
SAT
S TO SW WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.
SAT NIGHT
W TO NW WINDS 5 TO 10 KT, SHIFTING TO S AFTER
MIDNIGHT. SEAS 2 FT OR LESS.
SUN
SW WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.
SUN NIGHT
NW WINDS 5 TO 10 KT, SHIFTING TO S TO SW AFTER
MIDNIGHT. SEAS 2 FT OR LESS.
MON
SW TO W WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.
MON NIGHT
NW TO N WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.
WITHIN 200 NM EAST OF THE COAST OF FLORIDA
SYNOPSIS
HURRICANE ERIN IS CENTERED N OF THE AREA NEAR 35.4N
70.9W AT 11 AM EDT, MOVING NORTH-NORTHEAST AT 16 KT. MAXIMUM
SUSTAINED WINDS ARE 85 KT WITH GUSTS TO 105 KT, AND THE MINIMUM
CENTRAL PRESSURE IS 952 MB. ERIN WILL CONTINUE TO MOVE NNE FAR
AWAY FROM THE REGION THROUGH THE END OF THE WEEK WHILE SLOWLY
WEAKENING. LONG PERIOD NORTHERLY SWELLS GENERATED BY ERIN WILL
AFFECT JUST ABOUT THE ENTIRE FORECAST AREA THROUGH THE NEXT FEW
DAYS. IN THE WAKE OF ERIN, CENTRAL ATLANTIC HIGH PRESSURE WILL
BUILD WSW TOWARD THE CENTRAL BAHAMAS AND THE STRAITS OF FLORIDA
THROUGH THE PERIOD. AN AREA OF SHOWERS AND THUNDERSTORMS
ASSOCIATED WITH A TROPICAL WAVE LOCATED A FEW HUNDRED MILES
EAST OF THE LEEWARD ISLANDS HAS CHANGED LITTLE OVER THE PAST
SEVERAL HOURS. ENVIRONMENTAL CONDITIONS APPEAR CONDUCIVE FOR
FURTHER DEVELOPMENT OF THIS SYSTEM, AND A TROPICAL DEPRESSION
IS LIKELY TO FORM THIS WEEKEND WHILE IT MOVES NEAR OR TO THE
NORTH OF THE NORTHERN LEEWARD ISLANDS.
THIS AFTERNOON
SW TO W WINDS 5 TO 10 KT S OF 27N, AND W 10 TO
15 KT N OF 27N. SEAS 5 TO 7 FT IN N TO NE SWELL.
TONIGHT
SW WINDS 5 TO 10 KT. SEAS 4 TO 6 FT IN N TO NE SWELL.
SCATTERED SHOWERS AND ISOLATED TSTMS.
FRI
SW TO W WINDS 5 TO 10 KT. SEAS 4 TO 6 FT IN N TO NE SWELL.
SCATTERED SHOWERS AND ISOLATED TSTMS.
FRI NIGHT
S OF 27N, W TO NW WINDS LESS THAN 5 KT, SHIFTING TO
S AFTER MIDNIGHT. N OF 27N, SW TO W WINDS 5 TO 10 KT. SEAS 3 TO
5 FT. ISOLATED TSTMS.
SAT
SW TO W WINDS 5 TO 10 KT. SEAS 3 TO 5 FT.
SAT NIGHT
S TO SW WINDS 5 TO 10 KT. SEAS 3 TO 5 FT.
SUN
SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON
SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON NIGHT
S TO SW WINDS 5 TO 10 KT. SEAS 3 TO 5 FT.
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