430
FZNT25 KNHC 301935
OFFN04
NAVTEX MARINE FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
335 PM EDT WED SEP 30 2026
...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
SHOWERS AND THUNDERSTORMS WILL LINGER IN THE SE GULF
THROUGH AT LEAST THIS EVENING. THE PRESSURE GRADIENT BETWEEN
HIGH PRESSURE OVER THE EASTERN UNITED STATES AND LOWER PRESSURES
IN TEXAS AND MEXICO SUPPORT MODERATE TO FRESH EASTERLY WINDS
OVER THE WESTERN GULF WATERS. THESE WINDS WILL EXPAND EASTWARD
ACROSS THE BASIN BY TONIGHT AS THE PRESSURE GRADIENT TIGHTENS.
THE GRADIENT WILL WEAKEN FROM WEST TO EAST BY THE END OF THE
WEEK INTO THE WEEKEND AS A FRONTAL BOUNDARY APPROACHES THE
WESTERN GULF WATERS, POSSIBLY MOVING INTO THE BASIN BY THE END
OF THE WEEKEND WITH WEAKENING WINDS AND SUBSIDING SEAS AHEAD OF
IT. INCREASING WINDS AND BUILDING SEAS ARE POSSIBLE BEHIND THE
VERY SLOW MOVING FRONT.
TONIGHT
E TO SE WINDS 15 TO 20 KT. SEAS 3 TO 4 FT.
SCATTERED SHOWERS AND ISOLATED TSTMS.
THU
E TO SE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
SCATTERED TSTMS.
THU NIGHT
E TO SE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
SCATTERED SHOWERS AND ISOLATED TSTMS.
FRI
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. SCATTERED TSTMS.
FRI NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SUN
SE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
SUN NIGHT
E TO SE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
MON
SE TO S WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.
MON NIGHT
E WINDS LESS THAN 5 KT. SEAS 2 FT OR LESS.
WITHIN 200 NM EAST OF THE COAST OF FLORIDA
SYNOPSIS
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS WILL
REMAIN POSSIBLE ACROSS THE WATERS WEST OF 70W THROUGH AT LEAST
TONIGHT. HIGH PRESSURE WILL PERSIST ACROSS THE REGION OVER THE
REMAINDER OF THE WEEK AND INTO THE WEEKEND SUPPORTING MODERATE TO
LOCALLY FRESH EASTERLY WINDS SOUTH OF 25N. MODERATE OR WEAKER
WINDS WILL PREVAIL ELSEWHERE. MEANWHILE, THE REMNANTS OF POST-
TROPICAL CYCLONE FAY CURRENTLY JUST EAST OF THE OFFSHORE WATERS
MAY MOVE WEST OF 55W LATER TONIGHT. THIS AREA WILL CONTINUE TO
WEAKEN AND GRADUALLY DISSIPATE BY LATE THIS WEEK. LOOKING AHEAD,
A FRONTAL BOUNDARY MAY REACH THE WATERS OFF NE FLORIDA EARLY NEXT
WEEK, RESULTING IN INCREASING WINDS AND BUILDING SEAS BEHIND THE
SLOW MOVING OR STALLING BOUNDARY.
TONIGHT
E WINDS 15 TO 20 KT S OF 27N, AND E 10 TO 15 KT
N OF 27N. SEAS 2 FT OR LESS, BUILDING TO 3 TO 4 FT LATE.
CHANCE OF TSTMS.
THU
E TO SE WINDS 15 TO 20 KT S OF 27N, AND E TO SE 10 TO
15 KT N OF 27N. SEAS 3 TO 4 FT.
SCATTERED SHOWERS AND ISOLATED TSTMS.
THU NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
CHANCE OF TSTMS.
FRI
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SHOWERS LIKELY AND CHANCE OF TSTMS.
FRI NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 3 FT.
SAT
E WINDS 10 TO 15 KT. SEAS 3 FT.
SAT NIGHT
E TO SE WINDS 10 TO 15 KT. S OF 27N, SEAS 3 FT,
SUBSIDING TO 2 FT OR LESS. N OF 27N, SEAS 3 TO 4 FT.
SUN
E TO SE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS S OF 27N,
AND 3 TO 4 FT N OF 27N.
SUN NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 FT OR LESS S OF 27N,
AND 3 TO 4 FT N OF 27N.
MON
S WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.
MON NIGHT
S WINDS 5 TO 10 KT. S OF 27N, SEAS 2 FT OR LESS.
N OF 27N, SEAS 2 FT OR LESS, BUILDING TO 3 FT LATE.
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