432
FZNT25 KNHC 180840
OFFN04
NAVTEX MARINE FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
440 AM EDT THU JUN 18 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
POST-TROPICAL STORM ARTHUR HAS DISSIPATED INLAND
ACROSS SE TEXAS WITH THE LOW LEVEL REMNANTS EXPECTED TO
ACCELERATE TOWARD THE NE THROUGH FRI. STRONG THUNDERSTORMS
OCCURRING WELL TO THE SE OF THESE REMNANTS OF ARTHUR ARE ACROSS
SE LOUISIANA AND THE ADJACENT COASTAL WATERS, AND WILL SHIFT NE
AND INLAND TODAY. ATLANTIC HIGH PRESSURE HAS BEGUN TO BUILD
WESTWARD ACROSS FLORIDA AND INTO THE GULF BASIN TONIGHT, AND
WILL TIGHTEN THE PRESSURE GRADIENT THROUGH THU NIGHT TO SUSTAIN
FRESH TO STRONG SOUTHERLY WINDS OVER THE WESTERN AND CENTRAL
GULF, AND MODERATE TO FRESH WINDS OVER THE EASTERN GULF. EXPECT
ROUGH SEAS N OF 27N AND OFFSHORE OF THE LOUISIANA COAST THIS
MORNING TO SHIFT EASTWARD WITH THESE WINDS THROUGH THU NIGHT
BEFORE DIMINISHING. WINDS AND SEAS WILL DIMINISH BASIN-WIDE LATE
FRI THROUGH THE WEEKEND AS WEAK HIGH PRESSURE SETTLES OVER THE
EASTERN GULF.
TODAY
SE TO S WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
TONIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
FRI
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
SE TO S WINDS 5 TO 10 KT. SEAS 3 TO 5 FT.
SAT
SE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
SAT NIGHT
NE WINDS 5 TO 10 KT, SHIFTING TO SE AFTER MIDNIGHT.
SEAS 2 FT OR LESS.
SUN
SE WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.
SUN NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.
MON
SE WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.
MON NIGHT
E WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.
WITHIN 200 NM EAST OF THE COAST OF FLORIDA
SYNOPSIS
THE WESTERN ATLANTIC RIDGE WILL REMAIN IN PLACE
ALONG 27N-28N THROUGH THE UPCOMING WEEKEND, WHILE WEAKENING
SLIGHTLY FRI NIGHT THROUGH SUN, AS A FRONTAL SYSTEM CLIPS THE
WATERS OFFSHORE OF NE FLORIDA. THE RELATED PRESSURE GRADIENT
WILL MAINTAIN MODERATE TO LOCALLY FRESH TRADE WINDS SOUTH OF
22N THROUGH SUN. MODERATE TO LOCALLY FRESH SW WINDS OFFSHORE OF
NORTHEAST FLORIDA TO NEAR 75W WILL EXPAND EASTWARD TO NEAR 70W
THROUGH TONIGHT, AS A WEAK FRONTAL SYSTEM MOVES ACROSS THE
SOUTHEASTERN U.S. THE FRONT IS EXPECTED TO MOVE SLOWLY OFFSHORE
EARLY SAT AND STALL OFFSHORE NE FLORIDA BY SUN, ALLOWING THE
MODERATE TO FRESH SW WINDS TO SHIFT EASTWARD AHEAD OF IT ACROSS
THE NORTHERN WATERS.
TODAY
SE TO S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TONIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. SCATTERED
SHOWERS AND ISOLATED TSTMS.
FRI
SE WINDS 10 TO 15 KT S OF 27N, AND S TO SW 15 TO 20 KT N
OF 27N. SEAS 3 TO 5 FT. SCATTERED SHOWERS AND ISOLATED TSTMS.
FRI NIGHT
E TO SE WINDS 10 TO 15 KT S OF 27N, AND S TO SW
10 TO 15 KT N OF 27N. SEAS 3 TO 4 FT. SCATTERED SHOWERS AND
ISOLATED TSTMS.
SAT
S TO SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SAT NIGHT
S WINDS 5 TO 10 KT. SEAS 3 FT.
SUN
S TO SW WINDS 5 TO 10 KT. SEAS 3 FT.
SUN NIGHT
SE TO S WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.
MON
SE TO S WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.
MON NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
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