229
FZNT31 KNHC 070751
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
351 AM 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
MODERATE TO FRESH EAST TO SOUTHEAST WINDS WILL PULSE
NORTH OF HONDURAS, FRESH TO STRONG SPEEDS NIGHTLY THROUGH FRI
NIGHT. UNSETTLED WEATHER IS EXPECTED TO CONTINUE OVER THE
EASTERN CARIBBEAN THROUGH MID-WEEK. WINDS WILL PULSE TO FRESH
NIGHTLY NEAR THE WINDWARD PASSAGE. GENTLE TO MODERATE TRADES AND
SLIGHT TO MODERATE SEAS ARE EXPECTED OVER THE REMAINDER OF THE
BASIN THROUGH FRI, INCLUDING IN THE TROPICAL N ATLANTIC, BEFORE
INCREASING SLIGHTLY THIS WEEKEND. WINDS WILL START TO INCREASE
TO FRESH IN THE CENTRAL CARIBBEAN AND OFF COLOMBIA FRI NIGHT,
THEN TO FRESH TO STRONG SAT THROUGH THE REMAINDER OF THE
UPCOMING WEEKEND AS THE PRESSURE GRADIENT TIGHTENS.
NW CARIBBEAN W OF 85W
TODAY
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
TONIGHT
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 3 TO 5 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SUN
SE WINDS 10 TO 15 KT, SHIFTING TO E IN THE AFTERNOON.
SEAS 3 TO 4 FT.
SUN NIGHT
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT.
CARIBBEAN N OF 15N BETWEEN 72W AND 85W
TODAY
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TONIGHT
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 3 TO 5 FT.
SUN
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SUN NIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
CARIBBEAN FROM 11N TO 15N W OF 72W
TODAY
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TONIGHT
WITHIN 90 NM OF COAST OF COLOMBIA, E 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.
THU
WITHIN 90 NM OF COAST OF COLOMBIA, 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.
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 20 KT. SEAS 3 TO 5 FT.
SAT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 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.
SW CARIBBEAN S OF 11N
TODAY
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS,
BUILDING TO 3 FT IN THE AFTERNOON.
TONIGHT
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, BECOMING E LESS THAN
10 KT IN THE AFTERNOON. SEAS 2 FT OR LESS.
THU NIGHT
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
FRI
VARIABLE WINDS LESS THAN 10 KT, BECOMING E LESS THAN
10 KT IN THE AFTERNOON. SEAS 2 FT OR LESS.
FRI NIGHT
NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS,
BUILDING TO 3 FT AFTER MIDNIGHT.
SAT
NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SAT NIGHT
NE WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 3 TO 5 FT.
SUN
NE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 4 TO 6 FT.
SUN NIGHT
N WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 4 TO 6 FT.
CARIBBEAN BETWEEN 64W AND 72W
TODAY
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 3 TO 4 FT.
TONIGHT
GULF OF VENEZUELA, NE WINDS LESS THAN 10 KT.
ELSEWHERE, E WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 3 FT.
THU
E WINDS LESS THAN 10 KT GULF OF VENEZUELA, AND E 10 TO
15 KT ELSEWHERE. SEAS 2 FT OR LESS GULF OF VENEZUELA, AND 3 TO
4 FT ELSEWHERE.
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.
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO
19N W OF 55W
TODAY
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
TONIGHT
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, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 3 TO 5 FT.
FRI
E WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. 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 4 TO 6 FT.
SAT NIGHT
E WINDS 10 TO 20 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.
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO
15N W OF 55W
TODAY
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 3 TO 5 FT.
TONIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU
E WINDS LESS THAN 10 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 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 15 KT. SEAS 5 TO 7 FT.
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS
SYNOPSIS
THE PRESSURE GRADIENT BETWEEN A LOW CENTERED NEAR
28N64W WITH ASSOCIATED TROUGH AND HIGH PRESSURE CENTERED OVER
THE CENTRAL ATLANTIC IS SUPPORTING FRESH TO LOCALLY STRONG
NORTHEAST WINDS AND MODERATE TO ROUGH SEAS NORTH AND NORTHEAST OF
THE LOW. THESE CONDITIONS WILL GRADUALLY SHIFT WESTWARD THROUGH
MID-WEEK AS THE LOW AND TROUGH DRIFT WESTWARD. WINDS AND SEAS
WILL START TO DECREASE TONIGHT AS THE LOW AND TROUGH START TO
WEAKEN. A STATIONARY FRONT ALONG AND JUST OFFSHORE THE
SOUTHEASTERN U.S. COAST WILL GRADUALLY LIFT BACK NORTHWEST AS
WARM FRONT THROUGH MID-WEEK, 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
TODAY
S WINDS LESS THAN 10 KT. SEAS 3 FT.
TONIGHT
VARIABLE WINDS LESS THAN 10 KT, BECOMING SE LESS THAN
10 KT AFTER MIDNIGHT. SEAS 3 FT.
THU
S WINDS LESS THAN 10 KT IN THE MORNING, BECOMING VARIABLE
WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
THU NIGHT
S WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
FRI
S WINDS 10 KT. SEAS 4 FT.
FRI NIGHT
S WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
SAT
S WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 4 TO 5 FT.
SAT NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SUN
SE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
SUN NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
TODAY
W OF 70W, E WINDS LESS THAN 10 KT IN THE MORNING,
BECOMING VARIABLE WINDS LESS THAN 10 KT. ELSEWHERE, NE WINDS
10 TO 20 KT. SEAS 4 TO 6 FT W OF 70W, AND 7 TO 10 FT ELSEWHERE.
TONIGHT
NE WINDS LESS THAN 10 KT W OF 70W, AND NE 10 TO 15 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
SE WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
FRI NIGHT
SE WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
SAT
S WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SAT NIGHT
SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SUN
SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SUN NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
BAHAMAS N OF 22N
TODAY
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 3 FT.
TONIGHT
E WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. 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
E WINDS 10 TO 15 KT, SHIFTING TO SE IN THE AFTERNOON.
SEAS 3 FT.
FRI NIGHT
E WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 3 FT.
SAT
SE WINDS 10 TO 15 KT. SEAS 3 FT IN THE MORNING, SUBSIDING
TO 2 FT OR LESS.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
SUN
E WINDS 10 TO 15 KT. SEAS 3 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 3 FT.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
TODAY
N WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
TONIGHT
N WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
THU
N WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
THU NIGHT
NE WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
FRI
E WINDS LESS THAN 10 KT IN THE MORNING, BECOMING VARIABLE
WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
FRI NIGHT
E WINDS LESS THAN 10 KT. SEAS 4 FT.
SAT
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 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.
ATLC WATERS S OF 22N W OF 65W
TODAY
NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
TONIGHT
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 10 TO 15 KT. 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 10 TO 15 KT. 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.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
TODAY
SE WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
TONIGHT
E WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
THU
SE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
THU NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
FRI
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SAT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SUN
E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.
SUN NIGHT
E WINDS 15 TO 20 KT. SEAS 6 TO 7 FT.
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