450
FZNT31 KNHC 040209
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
1009 PM EDT SAT MAY 3 2025
MARINE WEATHER HF VOICE BROADCAST FOR THE TROPICAL N ATLANTIC
FROM 07N TO 19N W OF 55W, THE N ATLANTIC FROM 19N TO
31N W OF 55W INCLUDING THE BAHAMAS, AND THE CARIBBEAN SEA.
SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE AVERAGE
HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE
MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
SYNOPSIS FOR CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM
07N TO 19N W OF 55W
SYNOPSIS
MODERATE TO FRESH EAST TO SOUTHEAST WINDS WILL PULSE
NORTH OF HONDURAS, INCREASING TO FRESH TO STRONG SPEEDS TUE
NIGHT, WED NIGHT AND THU NIGHT. UNSETTLED WEATHER IS EXPECTED TO
CONTINUE OVER MOST OF THE EASTERN CARIBBEAN THROUGH THE WEEKEND
AND WELL INTO NEXT WEEK. GENTLE TO MODERATE TRADES AND SLIGHT TO
MODERATE SEAS ARE EXPECTED OVER THE REMAINDER OF THE BASIN
THROUGH THE PERIOD, INCLUDING IN THE TROPICAL N ATLANTIC.
NW CARIBBEAN W OF 85W
OVERNIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SUN
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
MON
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TUE
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TUE NIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
WED
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
WED NIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
THU
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
THU NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
CARIBBEAN N OF 15N BETWEEN 72W AND 85W
OVERNIGHT
S OF 18N, E WINDS LESS THAN 10 KT, INCREASING TO
10 TO 15 KT AFTER MIDNIGHT. ELSEWHERE, E WINDS LESS THAN 10 KT.
SEAS 3 TO 4 FT.
SUN
E WINDS 10 TO 15 KT S OF 18N, AND SE LESS THAN 10 KT
ELSEWHERE. SEAS 3 FT.
SUN NIGHT
S OF 18N, E WINDS LESS THAN 10 KT, INCREASING TO
10 TO 15 KT AFTER MIDNIGHT. ELSEWHERE, E WINDS LESS THAN 10 KT.
SEAS 3 FT.
MON
E WINDS 10 TO 15 KT S OF 18N, AND E LESS THAN 10 KT
ELSEWHERE. SEAS 3 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 3 FT.
TUE
E WINDS 10 TO 15 KT. SEAS 3 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
WED
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
THU
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
THU NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
CARIBBEAN FROM 11N TO 15N W OF 72W
OVERNIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SUN
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SUN NIGHT
WITHIN 90 NM OF COAST OF COLOMBIA, NE WINDS 10 TO
15 KT. ELSEWHERE, E WINDS LESS THAN 10 KT, INCREASING TO 10 TO
15 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT.
MON
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TUE
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
WED
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
THU
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
THU NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SW CARIBBEAN S OF 11N
OVERNIGHT
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT.
SUN
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT.
SUN NIGHT
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
MON
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
MON NIGHT
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
TUE
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
TUE NIGHT
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
WED
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
WED NIGHT
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT IN THE
EVENING, SUBSIDING TO 2 FT OR LESS.
THU
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
THU NIGHT
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
CARIBBEAN BETWEEN 64W AND 72W
OVERNIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SUN
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
MON
GULF OF VENEZUELA, E WINDS 10 TO 15 KT, SHIFTING TO NE IN
THE AFTERNOON. ELSEWHERE, E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TUE
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
WED
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
WED NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
THU
E WINDS LESS THAN 10 KT. SEAS 3 FT IN THE MORNING,
SUBSIDING TO 2 FT OR LESS.
THU NIGHT
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS, BUILDING
TO 3 FT AFTER MIDNIGHT.
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO
19N W OF 55W
OVERNIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SUN NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
MON
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
MON NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
TUE
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
TUE NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
WED
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
WED NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
THU
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
THU NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO
15N W OF 55W
OVERNIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN NIGHT
E WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 3 TO 5 FT.
MON
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 3 TO 5 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TUE
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
WED
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 3 TO 5 FT.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 3 TO 5 FT.
THU NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS
SYNOPSIS
THE GRADIENT BETWEEN A TROUGH THAT EXTENDS NORTH OF
27N NEAR 55W AND HIGH PRESSURE OVER THE WESTERN ATLANTIC IS
ALLOWING FOR FRESH TO LOCALLY STRONG NORTHEAST WINDS AND
MODERATE SEAS NORTH OF 27N AND EAST OF 60W. THESE CONDITIONS
WILL GRADUALLY SHIFT WESTWARD GOING INTO EARLY NEXT WEEK AS THE
TROUGH DRIFTS WESTWARD. LOOKING AHEAD, A WEAK COLD FRONT MAY
APPROACH THEN STALL NEAR THE SOUTHEASTERN U.S. COAST SUN THROUGH
MON, AND LIFT BACK NORTH AS WARM FRONT AROUND THE MIDDLE OF NEXT
WEEK. EXPECT SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS OVER
THE WESTERN WATERS THROUGH THE REST OF THE WEEKEND AND INTO
EARLY NEXT WEEK.
ATLC WATERS FROM 27N TO 31N W OF 77W
OVERNIGHT
S WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SUN
S WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SUN NIGHT
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
MON
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON NIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TUE
S WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
TUE NIGHT
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
WED
SE WINDS LESS THAN 10 KT. SEAS 3 FT.
WED NIGHT
SE WINDS LESS THAN 10 KT. SEAS 3 FT.
THU
S WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
THU NIGHT
S WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
OVERNIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON
SE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
TUE
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
WED
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
THU
E WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
THU NIGHT
E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
BAHAMAS N OF 22N
OVERNIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SUN
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 3 FT.
MON
SE WINDS 10 TO 15 KT. SEAS 3 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 3 FT.
TUE
E WINDS 10 TO 15 KT. SEAS 3 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 3 FT.
WED
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 3 FT IN THE MORNING, SUBSIDING TO 2 FT OR
LESS.
WED NIGHT
NE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS, BUILDING
TO 3 FT AFTER MIDNIGHT.
THU
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 3 FT.
THU NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 FT.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
OVERNIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SUN
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
MON
E WINDS 10 TO 15 KT W OF 70W, AND NE LESS THAN 10 KT
ELSEWHERE. SEAS 4 TO 5 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 4 FT.
TUE
NE WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
TUE NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED
NE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
WED NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
THU
E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
THU NIGHT
E WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
ATLC WATERS S OF 22N W OF 65W
OVERNIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
SUN
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TUE
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TUE NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
WED
NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
WED NIGHT
NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
THU
NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
THU NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
OVERNIGHT
NE WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
SUN
E WINDS LESS THAN 10 KT. SEAS 5 FT.
SUN NIGHT
E WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
MON
E WINDS LESS THAN 10 KT. SEAS 4 FT.
MON NIGHT
E WINDS LESS THAN 10 KT. SEAS 4 FT.
TUE
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
TUE NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
WED
SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
WED NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
THU
SE WINDS 10 KT. SEAS 3 TO 5 FT.
THU NIGHT
E WINDS 10 KT. SEAS 4 TO 6 FT.
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