407
FZNT31 KNHC 270930
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
530 AM EDT MON OCT 27 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
MAJOR HURRICANE MELISSA IS NEAR 16.4N 77.8W AT 5 AM
EDT, AND IS MOVING WEST AT 3 KT. MAXIMUM SUSTAINED WINDS ARE
140 KT WITH GUSTS TO 170 KT, AND THE MINIMUM CENTRAL PRESSURE IS
917 MB. MELISSA IS A CATEGORY 5 HURRICANE ON THE SAFFIR-SIMPSON
HURRICANE WIND SCALE. ON THE FORECAST TRACK, THE CORE OF MELISSA
IS EXPECTED TO MOVE NEAR OR OVER JAMAICA TONIGHT AND TUESDAY,
ACROSS SOUTHEASTERN CUBA TUESDAY NIGHT, AND ACROSS THE
SOUTHEASTERN BAHAMAS ON WEDNESDAY. SOME ADDITIONAL STRENGTHENING
IS FORECAST TODAY, WITH FLUCTUATIONS IN INTENSITY LIKELY BEFORE
MELISSA MAKES LANDFALL ON JAMAICA EARLY TUESDAY. MELISSA IS
EXPECTED TO REACH JAMAICA AND SOUTHEASTERN CUBA AS A POWERFUL
MAJOR HURRICANE, AND WILL STILL BE AT HURRICANE STRENGTH WHEN IT
MOVES ACROSS THE SOUTHEASTERN BAHAMAS. MELISSA WILL CHANGE
LITTLE IN INTENSITY AS IT MOVES NEAR 32.3N 65.1W EARLY FRI.
NW CARIBBEAN W OF 85W
TODAY
N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TONIGHT
N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TUE
N WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
TUE NIGHT
N WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
WED
N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED NIGHT
N WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
THU
NW WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
THU NIGHT
N WINDS 15 TO 25 KT. SEAS 4 TO 6 FT.
FRI
N WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
CARIBBEAN N OF 15N BETWEEN 72W AND 85W
..HURRICANE WARNING
TODAY
TROPICAL STORM CONDITIONS. S OF 18N, NE WINDS 100 TO
120 KT, INCREASING TO 110 TO 130 KT IN THE AFTERNOON. ELSEWHERE,
NE WINDS 25 TO 35 KT. SEAS 10 TO 15 FT S OF 18N, AND 7 TO 10 FT
ELSEWHERE.
TONIGHT
HURRICANE CONDITIONS EXPECTED. NW WINDS 105 TO
125 KT S OF 18N, AND NE 35 TO 45 KT ELSEWHERE. SEAS 10 TO 15 FT
S OF 18N, AND 8 TO 11 FT ELSEWHERE.
TUE
TROPICAL STORM CONDITIONS EXPECTED. S OF 18N, W WINDS
110 TO 130 KT, DIMINISHING TO 55 TO 65 KT IN THE AFTERNOON,SEAS
9 TO 14 FT. ELSEWHERE, NE WINDS 50 TO 60 KT, INCREASING TO 90 TO
100 KT IN THE AFTERNOON,SEAS 8 TO 13 FT, BUILDING TO 11 TO 16 FT
IN THE AFTERNOON.
TUE NIGHT
TROPICAL STORM CONDITIONS EXPECTED. S OF 18N, W
WINDS 30 TO 40 KT, DIMINISHING TO 20 TO 30 KT AFTER MIDNIGHT.
ELSEWHERE, N WINDS 85 TO 105 KT. SEAS 7 TO 10 FT S OF 18N, AND
11 TO 16 FT ELSEWHERE.
WED
TROPICAL STORM CONDITIONS POSSIBLE. S OF 18N, NW WINDS
15 TO 25 KT. ELSEWHERE, N WINDS 40 TO 50 KT, BECOMING NW 30 TO
40 KT IN THE AFTERNOON. SEAS 5 TO 7 FT S OF 18N, AND 7 TO 10 FT
ELSEWHERE.
WED NIGHT
NW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
THU
N WINDS 10 TO 20 KT. SEAS 3 TO 4 FT.
THU NIGHT
N WINDS 10 TO 20 KT S OF 18N, AND N 15 TO 25 KT
ELSEWHERE. SEAS 3 TO 4 FT.
FRI
NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
CARIBBEAN FROM 11N TO 15N W OF 72W
TODAY
TROPICAL STORM CONDITIONS POSSIBLE. S WINDS 15 TO
25 KT WITHIN 90 NM OF COAST OF COLOMBIA, AND W 20 TO 30 KT
ELSEWHERE. SEAS 6 TO 8 FT WITHIN 90 NM OF COAST OF COLOMBIA, AND
6 TO 9 FT ELSEWHERE.
TONIGHT
SW WINDS 10 TO 20 KT WITHIN 90 NM OF COAST OF
COLOMBIA, AND W 15 TO 25 KT ELSEWHERE. SEAS 6 TO 9 FT.
TUE
S WINDS 15 TO 25 KT WITHIN 90 NM OF COAST OF COLOMBIA,
AND SW 15 TO 25 KT ELSEWHERE. SEAS 5 TO 7 FT.
TUE NIGHT
W WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
WED
W WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
WED NIGHT
W WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
THU
NW WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
THU NIGHT
WITHIN 90 NM OF COAST OF COLOMBIA, NW WINDS 10 KT
IN THE EVENING, BECOMING VARIABLE WINDS LESS THAN 10 KT.
ELSEWHERE, N WINDS 10 TO 20 KT. SEAS 3 TO 4 FT.
FRI
WITHIN 90 NM OF COAST OF COLOMBIA, E WINDS LESS THAN
10 KT, INCREASING TO 10 TO 15 KT IN THE AFTERNOON. ELSEWHERE, NE
WINDS 10 TO 20 KT. SEAS 3 TO 4 FT.
SW CARIBBEAN S OF 11N
TODAY
SW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
TONIGHT
SW WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
TUE
SW WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
TUE NIGHT
SW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
WED
SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
WED NIGHT
W WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT
AFTER MIDNIGHT. SEAS 3 TO 4 FT.
THU
W WINDS LESS THAN 10 KT. SEAS 3 FT.
THU NIGHT
NW WINDS 10 TO 15 KT. SEAS 2 FT OR LESS, BUILDING
TO 3 FT AFTER MIDNIGHT.
FRI
NW WINDS 10 TO 15 KT. SEAS 2 FT OR LESS, BUILDING TO 3 FT
IN THE AFTERNOON.
CARIBBEAN BETWEEN 64W AND 72W
TODAY
GULF OF VENEZUELA, SE WINDS 10 TO 15 KT, SHIFTING TO SW
IN THE AFTERNOON. ELSEWHERE, E WINDS 15 TO 25 KT. SEAS 2 FT OR
LESS GULF OF VENEZUELA, AND 5 TO 7 FT ELSEWHERE.
TONIGHT
GULF OF VENEZUELA, N WINDS LESS THAN 10 KT, SHIFTING
TO E AFTER MIDNIGHT. ELSEWHERE, E WINDS 10 TO 20 KT. SEAS 2 FT
OR LESS GULF OF VENEZUELA, AND 5 TO 7 FT ELSEWHERE.
TUE
SW WINDS LESS THAN 10 KT GULF OF VENEZUELA, AND SE 10 TO
20 KT ELSEWHERE. SEAS 2 FT OR LESS GULF OF VENEZUELA, AND 5 TO
7 FT ELSEWHERE.
TUE NIGHT
N WINDS LESS THAN 10 KT GULF OF VENEZUELA, AND SE
10 TO 20 KT ELSEWHERE. SEAS 2 FT OR LESS GULF OF VENEZUELA, AND
5 TO 7 FT ELSEWHERE.
WED
VARIABLE WINDS LESS THAN 10 KT GULF OF VENEZUELA, AND SE
10 TO 20 KT ELSEWHERE. SEAS 2 FT OR LESS GULF OF VENEZUELA, AND
5 TO 7 FT ELSEWHERE.
WED NIGHT
N WINDS LESS THAN 10 KT GULF OF VENEZUELA, AND SE
10 TO 20 KT ELSEWHERE. SEAS 2 FT OR LESS GULF OF VENEZUELA, AND
4 TO 6 FT ELSEWHERE.
THU
NE WINDS LESS THAN 10 KT GULF OF VENEZUELA, AND SE 10 TO
20 KT ELSEWHERE. SEAS 2 FT OR LESS GULF OF VENEZUELA, AND 4 TO
6 FT ELSEWHERE.
THU NIGHT
N 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 5 FT ELSEWHERE.
FRI
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.
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO
19N W OF 55W
TODAY
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TONIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TUE
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TUE NIGHT
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
THU NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
FRI
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO
15N W OF 55W
TODAY
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
TONIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
TUE
E WINDS 10 TO 20 KT. SEAS 4 TO 6 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 3 TO 5 FT.
THU
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU NIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
FRI
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS
SYNOPSIS
A STATIONARY FRONT EXTENDS FROM SOUTH OF BERMUDA TO
EAST-CENTRAL FLORIDA. FRESH E TO SE WINDS AND MODERATE TO ROUGH
SEAS WILL PREVAIL WEST OF 72W THROUGH TODAY AS A STRONG PRESSURE
GRADIENT PREVAILS BETWEEN THE FRONT, HIGH PRESSURE TO THE NORTH
AND MAJOR HURRICANE MELISSA IN THE NORTH-CENTRAL CARIBBEAN. A
LOW PRESSURE SYSTEM ASSOCIATED WITH THE STATIONARY FRONT WILL
PUSH OFFSHORE OF THE SOUTHEASTERN U.S. TODAY, LEADING TO MODERATE
TO FRESH E TO SE WINDS EAST OF 78W THIS AFTERNOON THROUGH TUE,
AND FRESH TO STRONG N TO NW WINDS BEHIND THE SYSTEM OFFSHORE OF
NORTHERN FLORIDA TUE THROUGH MIDWEEK. ROUGH SEAS WILL BUILD OVER
THIS REGION BY EARLY TUE, WITH SEAS EXPANDING FARTHER SOUTH AND
EAST TUE AND WED. ELSEWHERE, MAJOR HURRICANE MELISSA IS
STRENGTHENING IN THE NORTH-CENTRAL CARIBBEAN. ON THE FORECAST
TRACK, THE CORE OF MELISSA IS EXPECTED TO MOVE NEAR OR OVER
JAMAICA TONIGHT AND TUESDAY, ACROSS SOUTHEASTERN CUBA TUESDAY
NIGHT, AND ACROSS THE SOUTHEASTERN BAHAMAS ON WEDNESDAY.
ELSEWHERE, A STRONG COLD FRONT WILL PUSH OFFSHORE OF THE
SOUTHEASTERN U.S. BY LATE WEEK, SUPPORTING INCREASING WINDS AND
BUILDING SEAS OVER THE WESTERN ATLANTIC.
ATLC WATERS FROM 27N TO 31N W OF 77W
TODAY
SE WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
TONIGHT
SW WINDS 15 TO 25 KT, SHIFTING TO W 10 TO 15 KT AFTER
MIDNIGHT. SEAS 6 TO 8 FT.
TUE
W WINDS 10 TO 15 KT, SHIFTING TO NW 15 TO 25 KT IN THE
AFTERNOON. SEAS 5 TO 7 FT.
TUE NIGHT
N WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
WED
N WINDS 10 TO 15 KT, SHIFTING TO NE IN THE AFTERNOON.
SEAS 6 TO 8 FT.
WED NIGHT
SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
THU
W WINDS 15 TO 25 KT. SEAS 6 TO 8 FT.
THU NIGHT
W WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
FRI
NW WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
TODAY
E WINDS 15 TO 25 KT W OF 70W, AND E 10 TO 20 KT
ELSEWHERE. SEAS 6 TO 8 FT.
TONIGHT
SE WINDS 15 TO 25 KT W OF 70W, AND SE 10 TO 20 KT
ELSEWHERE. SEAS 5 TO 7 FT.
TUE
SW WINDS 15 TO 25 KT W OF 70W, AND S 15 TO 25 KT
ELSEWHERE. SEAS 5 TO 7 FT.
TUE NIGHT
NW WINDS 10 TO 15 KT W OF 70W, AND SW 15 TO 25 KT
ELSEWHERE. SEAS 5 TO 7 FT.
WED
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
WED NIGHT
HURRICANE CONDITIONS POSSIBLE.
THU
HURRICANE CONDITIONS POSSIBLE.
THU NIGHT
HURRICANE CONDITIONS POSSIBLE.
FRI
TROPICAL STORM CONDITIONS POSSIBLE.
BAHAMAS N OF 22N
..TROPICAL STORM WARNING
TODAY
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
TONIGHT
SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
TUE
E WINDS 10 TO 20 KT. SEAS 3 FT.
TUE NIGHT
HURRICANE CONDITIONS POSSIBLE. NE WINDS 15 TO
25 KT, INCREASING TO 25 TO 35 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT.
WED
HURRICANE CONDITIONS POSSIBLE. NE WINDS 35 TO 45 KT,
INCREASING TO 75 TO 85 KT IN THE AFTERNOON. SEAS 5 TO 7 FT,
BUILDING TO 9 TO 14 FT IN THE AFTERNOON.
WED NIGHT
HURRICANE CONDITIONS POSSIBLE.
THU
TROPICAL STORM CONDITIONS POSSIBLE.
THU NIGHT
NW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
FRI
NW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
TODAY
SE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
TONIGHT
SE WINDS 10 TO 20 KT. SEAS 5 TO 6 FT.
TUE
S WINDS 10 TO 20 KT. SEAS 5 TO 6 FT.
TUE NIGHT
TROPICAL STORM CONDITIONS POSSIBLE. S WINDS 15 TO
25 KT. SEAS 5 TO 7 FT.
WED
HURRICANE CONDITIONS POSSIBLE. W OF 70W, SE WINDS 20 TO
30 KT, BECOMING E 30 TO 40 KT IN THE AFTERNOON. ELSEWHERE, S
WINDS 20 TO 30 KT. SEAS 6 TO 9 FT.
WED NIGHT
HURRICANE CONDITIONS POSSIBLE.
THU
HURRICANE CONDITIONS POSSIBLE.
THU NIGHT
TROPICAL STORM CONDITIONS POSSIBLE.
FRI
W WINDS 10 TO 20 KT. W OF 70W, SEAS 7 TO 10 FT.
ELSEWHERE, SEAS 8 TO 13 FT, SUBSIDING TO 7 TO 10 FT IN THE
AFTERNOON.
ATLC WATERS S OF 22N W OF 65W
..TROPICAL STORM WARNING
TODAY
SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
TONIGHT
SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
TUE
TROPICAL STORM CONDITIONS POSSIBLE. SE WINDS 15 TO
25 KT. SEAS 4 TO 6 FT.
TUE NIGHT
TROPICAL STORM CONDITIONS EXPECTED. SE WINDS 25 TO
35 KT, INCREASING TO 35 TO 45 KT AFTER MIDNIGHT. SEAS 5 TO 7 FT,
BUILDING TO 7 TO 10 FT AFTER MIDNIGHT.
WED
HURRICANE CONDITIONS POSSIBLE. S WINDS 80 TO 90 KT. SEAS
13 TO 18 FT.
WED NIGHT
TROPICAL STORM CONDITIONS POSSIBLE.
THU
SW WINDS 20 TO 30 KT, DIMINISHING TO 10 TO 20 KT IN THE
AFTERNOON. SEAS 6 TO 9 FT, SUBSIDING TO 4 TO 6 FT IN THE
AFTERNOON.
THU NIGHT
W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
FRI
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
TODAY
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
TONIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
TUE
SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
TUE NIGHT
SE WINDS 10 TO 20 KT. SEAS 6 TO 7 FT.
WED
SE WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
WED NIGHT
SE WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
THU
SE WINDS 10 TO 15 KT. SEAS 5 FT.
THU NIGHT
SE WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
FRI
SE WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
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