384
FZNT31 KNHC 080212
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
1012 PM EDT WED MAY 7 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
PULSING EAST TO SOUTHEAST WINDS TO FRESH TO STRONG
SPEEDS ARE EXPECTED N OF HONDURAS AT NIGHT THROUGH FRI NIGHT.
GENTLE TO MODERATE TRADES AND SLIGHT TO MODERATE SEAS ARE
FORECAST OVER THE REMAINDER OF THE BASIN THROUGH FRI, INCLUDING
IN THE TROPICAL N ATLANTIC, BEFORE INCREASING THIS WEEKEND AS
THE ATLANTIC HIGH PRESSURE BUILDS WESTWARD. AS A RESULT, WINDS
WILL START TO INCREASE TO FRESH SPEEDS IN THE CENTRAL CARIBBEAN
AND OFF COLOMBIA FRI NIGHT, THEN TO FRESH TO STRONG SPEEDS SAT
THROUGH THE REMAINDER OF THE UPCOMING WEEKEND AND INTO NEXT
WEEK. UNSETTLED WEATHER IS EXPECTED TO CONTINUE OVER THE EASTERN
CARIBBEAN THROUGH AT LEAST THU.
NW CARIBBEAN W OF 85W
OVERNIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
THU
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
THU NIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
FRI
SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
FRI NIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
SAT
SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN
SE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 3 TO 5 FT.
SUN NIGHT
E WINDS LESS THAN 10 KT IN THE EVENING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
MON
VARIABLE WINDS LESS THAN 10 KT, BECOMING E LESS THAN
10 KT IN THE AFTERNOON. SEAS 3 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 3 FT.
CARIBBEAN N OF 15N BETWEEN 72W AND 85W
OVERNIGHT
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.
FRI
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
SAT NIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SUN
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SUN NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
MON
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
MON NIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
CARIBBEAN FROM 11N TO 15N W OF 72W
OVERNIGHT
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.
FRI
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SAT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SAT NIGHT
E WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
SUN
E WINDS 15 TO 25 KT. SEAS 6 TO 8 FT.
SUN NIGHT
E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
MON
E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
MON NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SW CARIBBEAN S OF 11N
OVERNIGHT
E WINDS LESS THAN 10 KT, BECOMING VARIABLE WINDS
LESS THAN 10 KT. SEAS 3 FT.
THU
E WINDS LESS THAN 10 KT. SEAS 3 FT.
THU NIGHT
NE WINDS LESS THAN 10 KT. SEAS 3 FT.
FRI
E WINDS LESS THAN 10 KT. SEAS 3 FT.
FRI NIGHT
NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SAT
NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SAT NIGHT
NE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
SUN
N WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
SUN NIGHT
N WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 5 TO 7 FT.
MON
NE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 5 TO 7 FT.
MON NIGHT
NE WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 5 TO 7 FT.
CARIBBEAN BETWEEN 64W AND 72W
OVERNIGHT
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
GULF OF VENEZUELA, NE WINDS LESS THAN 10 KT,
SHIFTING TO E AFTER MIDNIGHT. ELSEWHERE, E WINDS 10 TO 15 KT.
SEAS 3 TO 4 FT.
FRI
GULF OF VENEZUELA, E WINDS 10 TO 15 KT, DIMINISHING TO
LESS THAN 10 KT IN THE AFTERNOON. ELSEWHERE, E WINDS 10 TO
15 KT. SEAS 3 TO 4 FT.
FRI NIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
SAT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SAT NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SUN
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SUN NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
MON
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
MON NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO
19N W OF 55W
OVERNIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
THU
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU NIGHT
SE WINDS LESS THAN 10 KT, SHIFTING TO E AFTER
MIDNIGHT. SEAS 3 TO 5 FT.
FRI
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SAT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SUN
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SUN NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
MON
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
MON NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO
15N W OF 55W
OVERNIGHT
E WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 3 TO 4 FT.
THU
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SUN
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
MON
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
MON NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS
SYNOPSIS
THE PRESSURE GRADIENT BETWEEN A 1013 MB LOW PRESSURE
CENTERED NEAR 27N67.5W WITH ASSOCIATED TROUGH AND HIGH PRESSURE
LOCATED OVER THE CENTRAL ATLANTIC IS SUPPORTING FRESH TO STRONG
E TO SE WINDS AND MODERATE TO ROUGH SEAS NORTH AND EAST OF THE
LOW CENTER. THESE MARINE CONDITIONS WILL CONTINUE TO AFFECT THE
NE WATERS ON THU BEFORE DIMINISHING BY FRI. THE LOW PRESSURE WILL
MEANDER NEAR 27N BETWEEN 65W AND 70W OVER THE NEXT COUPLE OF
DAYS, AND OPEN UP INTO A TROUGH BY SAT MORNING. A STATIONARY
FRONT ALONG AND JUST OFFSHORE THE SOUTHEASTERN U.S. COAST WILL
GRADUALLY LIFT BACK NORTHWEST AS WARM FRONT ON THU, THEN MAY
SLOWLY PUSH OFFSHORE AGAIN AT THE END OF THE WEEK AND INTO THE
UPCOMING WEEKEND.
ATLC WATERS FROM 27N TO 31N W OF 77W
OVERNIGHT
SE WINDS LESS THAN 10 KT. SEAS 3 FT.
THU
SW WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
THU NIGHT
SE WINDS LESS THAN 10 KT, SHIFTING TO S AFTER
MIDNIGHT. SEAS 3 TO 4 FT.
FRI
SW WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
FRI NIGHT
SW WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
SAT
S WINDS 10 TO 15 KT. SEAS 4 FT.
SAT NIGHT
SE WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 4 FT.
SUN
SE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
SUN NIGHT
SE WINDS 10 TO 20 KT. SEAS 4 TO 5 FT.
MON
SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
MON NIGHT
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
OVERNIGHT
NE WINDS LESS THAN 10 KT W OF 70W, AND E 10 TO
20 KT ELSEWHERE. SEAS 4 TO 6 FT W OF 70W, AND 6 TO 9 FT
ELSEWHERE.
THU
N WINDS LESS THAN 10 KT W OF 70W, AND E 10 TO 15 KT
ELSEWHERE. SEAS 5 TO 7 FT.
THU NIGHT
E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
FRI
W OF 70W, E WINDS LESS THAN 10 KT IN THE MORNING,
BECOMING VARIABLE WINDS LESS THAN 10 KT. ELSEWHERE, SE WINDS
10 TO 15 KT. SEAS 4 TO 6 FT.
FRI NIGHT
SE WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 4 TO 5 FT.
SAT
S WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
SAT NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SUN
E WINDS LESS THAN 10 KT. SEAS 4 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. SEAS 4 TO 5 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
BAHAMAS N OF 22N
OVERNIGHT
E WINDS 10 TO 15 KT. SEAS 3 FT.
THU
E WINDS LESS THAN 10 KT. SEAS 3 FT.
THU NIGHT
E WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 3 FT.
FRI
SE WINDS LESS THAN 10 KT. SEAS 3 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 3 FT.
SAT
SE WINDS 10 TO 15 KT. SEAS 3 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS, BUILDING TO
3 FT AFTER MIDNIGHT.
SUN
E WINDS 10 TO 15 KT. SEAS 3 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 3 FT.
MON
E WINDS 10 TO 15 KT. SEAS 3 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
OVERNIGHT
N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
THU
N WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
THU NIGHT
W OF 70W, N WINDS 10 TO 15 KT, SHIFTING TO NE AFTER
MIDNIGHT. ELSEWHERE, W WINDS LESS THAN 10 KT, SHIFTING TO S
AFTER MIDNIGHT. SEAS 4 TO 6 FT.
FRI
W OF 70W, NE WINDS LESS THAN 10 KT IN THE MORNING,
BECOMING VARIABLE WINDS LESS THAN 10 KT. ELSEWHERE, S WINDS
10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN THE AFTERNOON.
SEAS 4 TO 5 FT.
FRI NIGHT
SE WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
SAT
SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SAT NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SUN
E WINDS 10 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 4 TO 6 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
ATLC WATERS S OF 22N W OF 65W
OVERNIGHT
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
NE WINDS LESS THAN 10 KT, SHIFTING TO E AFTER
MIDNIGHT. SEAS 3 TO 4 FT.
FRI
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SAT
E WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 3 TO 4 FT.
SAT NIGHT
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 10 TO 15 KT. SEAS 4 TO 6 FT.
MON
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
MON NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
OVERNIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
THU
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
THU NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
FRI
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
FRI NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SAT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SAT NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SUN
E WINDS 15 KT. SEAS 5 TO 7 FT.
SUN NIGHT
E WINDS 15 TO 20 KT. SEAS 6 TO 7 FT.
MON
E WINDS 15 TO 20 KT. SEAS 6 TO 7 FT.
MON NIGHT
E WINDS 15 TO 20 KT. SEAS 6 TO 7 FT.
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