288
FZNT25 KNHC 110817
OFFN04
NAVTEX MARINE FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
417 AM EDT TUE AUG 11 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
A SURFACE RIDGE EXTENDS FROM THE BERMUDA HIGH
WESTWARD ACROSS THE NORTHERN GULF, AND WILL DOMINATE THE GENERAL
WIND FLOW PATTERN ACROSS BASIN THROUGH SAT NIGHT. GENTLE TO
MODERATE E TO SE WINDS WILL PREVAIL ACROSS THE BASIN, WITH THE
EXCEPTION OF PULSES OF FRESH WINDS OCCURRING NORTH AND WEST OF
THE YUCATAN PENINSULA AND INTO THE BAY OF CAMPECHE EACH EVENING
AND NIGHT AS A DIURNAL SURFACE TROUGH MIGRATES FROM THE YUCATAN
PENINSULA WESTWARD ACROSS THE SW GULF. SLIGHT TO MODERATE SEAS
ARE EXPECTED THROUGH THE FORECAST PERIOD.
TODAY
E WINDS 10 TO 15 KT. SEAS 3 FT.
TONIGHT
E WINDS 10 TO 15 KT. SEAS 3 FT IN THE EVENING,
SUBSIDING TO 2 FT OR LESS.
WED
NE WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.
WED NIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
THU
NE WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.
THU NIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
FRI
NE WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.
FRI NIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
SAT
NE TO E WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
WITHIN 200 NM EAST OF THE COAST OF FLORIDA
SYNOPSIS
HIGH PRESSURE OF 1021 MB IS CENTERED AT 29N68W, WITH
A RIDGE STRETCHING WESTWARD TO ACROSS NORTHERN FLORIDA AND INTO
THE GULF OF AMERICA. THE RIDGE WILL SHIFT SOUTHWARD TO ALONG 28N
TODAY AND TO NEAR 26N BY THU AND CHANGE LITTLE INTO SAT. THE
GRADIENT WILL TIGHTEN OVER THE SOUTHERN PORTION LEADING TO AN
INCREASE OF THE TRADES FROM THE BAHAMAS EASTWARD. FRESH TRADES
WILL PREVAIL N OF HISPANIOLA AND IN THE APPROACH TO THE WINDWARD
PASSAGE THROUGH THE PERIOD, PULSING TO STRONG SPEEDS EACH NIGHT.
OF NOTE, AN AREA OF LOW PRESSURE IS LOCATED ABOUT 500 MILES
SOUTHWEST OF THE CABO VERDE ISLANDS. ENVIRONMENTAL CONDITIONS ARE
FORECAST TO GRADUALLY BECOME MORE CONDUCIVE FOR DEVELOPMENT DURING
THE NEXT DAY OR TWO, AND A TROPICAL DEPRESSION WILL LIKELY FORM
DURING THE LATTER HALF OF THIS WEEK WHILE THE SYSTEM MOVES
WESTWARD TO WEST-NORTHWESTWARD ACROSS THE CENTRAL TROPICAL
ATLANTIC. THERE IS A HIGH CHANCE FOR TROPICAL FORMATION OF THIS
SYSTEM WITHIN THE NEXT 7 DAYS.
TODAY
E TO SE WINDS 10 TO 15 KT S OF 27N, AND S TO SW 5 TO
10 KT N OF 27N. SEAS 2 FT OR LESS.
TONIGHT
E TO SE WINDS 10 TO 15 KT S OF 27N, AND S 10 TO 15 KT
N OF 27N. SEAS 2 FT OR LESS. SCATTERED SHOWERS AND ISOLATED
TSTMS.
WED
S TO SW WINDS 5 TO 10 KT. SEAS 2 FT OR LESS. SCATTERED
SHOWERS AND ISOLATED TSTMS.
WED NIGHT
S WINDS 5 TO 10 KT. SEAS 2 FT OR LESS. SCATTERED
SHOWERS AND ISOLATED TSTMS.
THU
S WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.
THU NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
FRI
SE TO S WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
FRI NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
SAT
SE TO S WINDS 10 TO 15 KT. SEAS 3 FT IN THE MORNING,
SUBSIDING TO 2 FT OR LESS.
SAT NIGHT
SE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS, BUILDING TO
3 FT AFTER MIDNIGHT.
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