635
FZNT25 KNHC 210911
OFFN04
NAVTEX MARINE FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
511 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 RELATIVELY QUIET MARINE
CONDITIONS. MODERATE TO LOCALLY 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.
TODAY
SW WINDS 10 KT. SEAS 3 FT OR LESS. ISOLATED SHOWERS AND
THUNDERSTORMS.
TONIGHT
VARIABLE WINDS LESS THAN 5 KT, BECOMING S 10 KT LATE.
SEAS 3 FT OR LESS. ISOLATED SHOWERS AND THUNDERSTORMS.
FRI
S OF 24N, S WINDS 10 KT IN THE MORNING, BECOMING VARIABLE
LESS THAN 5 KT. N OF 24N, S TO SW WINDS 10 KT. SEAS 3 FT OR LESS.
FRI NIGHT
E TO SE WINDS 10 KT S OF 24N, AND VARIABLE LESS THAN
5 KT N OF 24N. SEAS 3 FT OR LESS. ISOLATED SHOWERS AND
THUNDERSTORMS.
SAT
S OF 24N, SE WINDS 10 KT. N OF 24N, S TO SW WINDS 10 KT IN
THE MORNING, BECOMING VARIABLE LESS THAN 5 KT. SEAS 3 FT OR LESS.
ISOLATED SHOWERS AND THUNDERSTORMS.
SAT NIGHT
E WINDS 10 KT S OF 24N, AND VARIABLE LESS THAN 5 KT
N OF 24N. SEAS 3 FT OR LESS.
SUN
S OF 24N, E TO SE WINDS 10 KT IN THE MORNING, BECOMING
VARIABLE LESS THAN 5 KT. N OF 24N, VARIABLE WINDS LESS THAN 5 KT,
BECOMING S TO SW 10 KT IN THE AFTERNOON. SEAS 3 FT OR LESS.
SUN NIGHT
NE TO E WINDS 10 KT S OF 24N, AND VARIABLE LESS THAN
5 KT N OF 24N. SEAS 3 FT OR LESS.
MON
E WINDS 10 KT S OF 24N, AND VARIABLE LESS THAN 5 KT N OF
24N. SEAS 3 FT OR LESS.
MON NIGHT
S OF 24N, VARIABLE WINDS LESS THAN 5 KT, BECOMING NE
TO E 10 KT LATE. N OF 24N, VARIABLE WINDS LESS THAN
5 KT. SEAS 3 FT OR LESS.
WITHIN 200 NM EAST OF THE COAST OF FLORIDA
SYNOPSIS
HURRICANE ERIN IS LOCATED CENTERED NORTH OF THE AREA
NEAR 34.2N 72.1W AT 5 AM EDT, AND IS MOVING NORTH-NORTHEAST AT 15
KT. MAXIMUM SUSTAINED WINDS ARE 90 KT WITH GUSTS TO 110 KT, AND
THE MINIMUM CENTRAL PRESSURE IS 945 MB. ERIN WILL WILL CONTINUE TO
PULL 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. LOOKING AHEAD, A TROPICAL WAVE LOCATED
SEVERAL HUNDRED MILES EAST OF THE LEEWARD ISLANDS IS PRODUCING A
BROAD AREA OF DISORGANIZED SHOWERS AND THUNDERSTORMS.
ENVIRONMENTAL CONDITIONS APPEAR CONDUCIVE FOR GRADUAL DEVELOPMENT
OF THIS SYSTEM, AND A TROPICAL DEPRESSION IS LIKELY TO FORM BY
THIS WEEKEND WHILE IT MOVES NEAR OR TO THE NORTH OF THE NORTHERN
LEEWARD ISLANDS.
TODAY
SW TO W WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN N TO NE
SWELL. ISOLATED SHOWERS AND THUNDERSTORMS.
TONIGHT
SW WINDS 5 TO 10 KT. SEAS 4 TO 6 FT IN N TO NE SWELL.
SCATTERED SHOWERS AND THUNDERSTORMS.
FRI
SW TO W WINDS 5 TO 10 KT. SEAS 4 TO 6 FT IN N TO NE SWELL.
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
FRI NIGHT
S OF 27N, W TO NW WINDS LESS THAN 5 KT, SHIFTING TO
S LATE. N OF 27N, SW TO W WINDS 5 TO 10 KT. SEAS 3 TO 5 FT.
ISOLATED SHOWERS AND THUNDERSTORMS.
SAT
SW TO W WINDS 5 TO 10 KT. SEAS 3 TO 5 FT IN N TO NE SWELL.
SAT NIGHT
S TO SW WINDS 5 TO 10 KT. SEAS 3 TO 5 FT IN N TO NE
SWELL.
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 IN N TO NE
SWELL.
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