Offshore Forecast
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
FZNT31 KNHC 260152
OFFN20

MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
952 PM EDT SAT APR 25 2015

MARINE WEATHER HF VOICE BROADCAST FOR THE TROPICAL N ATLANTIC
FROM 07N TO 22N BETWEEN 55W AND 64W...THE SW N ATLANTIC S OF
31N W OF 65W INCLUDING 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 ATLC FROM 07N TO 19N
BETWEEN 55W AND 64W

.SYNOPSIS...LARGE NE SWELLS WILL SUBSIDE ACROSS THE TROPICAL
WATERS E OF THE LESSER ANTILLES THROUGH SUN. FRESH TO LOCALLY
STRONG TRADES WILL DEVELOP EACH NIGHT OFFSHORE OF THE GULF OF
HONDURAS. FRESH TRADES WILL PREVAIL ALONG THE COAST OF COLOMBIA
THEN STRENGTHEN ACROSS THE SOUTHEASTERN AND S CENTRAL CARIBBEAN
BY WED.

NW CARIBBEAN W OF 85W

.OVERNIGHT...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.SUN...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.SUN NIGHT...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.MON...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.MON NIGHT...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.TUE...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.TUE NIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.WED...S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.WED NIGHT...NW WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
.THU...NW WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
.THU NIGHT...N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.

CARIBBEAN N OF 15N BETWEEN 72W AND 85W

.OVERNIGHT...E WINDS 10 TO 15 KT S OF 18N...AND SE LESS THAN 10 KT
ELSEWHERE. SEAS 3 TO 5 FT S OF 18N...AND 2 FT OR LESS ELSEWHERE.
.SUN...E WINDS 10 TO 15 KT S OF 18N...AND S LESS THAN 10 KT
ELSEWHERE. SEAS 3 TO 5 FT S OF 18N...AND 2 FT OR LESS ELSEWHERE.
.SUN NIGHT...S OF 18N...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
ELSEWHERE...SE WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT
LATE. SEAS 2 TO 3 FT.
.MON...SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
.MON NIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.TUE...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.TUE NIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.WED...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.WED NIGHT...SE WINDS 10 TO 15 KT. SEAS 4 TO 6 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.

CARIBBEAN FROM 11N TO 15N W OF 72W

.OVERNIGHT...NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.SUN...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.SUN NIGHT...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.MON...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.MON NIGHT...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...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.WED...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.WED NIGHT...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 LESS THAN 10 KT. SEAS 5 TO 7 FT.

SW CARIBBEAN S OF 11N

.OVERNIGHT...NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.SUN...N WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
.SUN NIGHT...NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
.MON...NE WINDS LESS THAN 10 KT EARLY...BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
.MON NIGHT...N WINDS LESS THAN 10 KT. SEAS 3 FT.
.TUE...VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT.
.TUE NIGHT...VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT.
.WED...VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT.
.WED NIGHT...VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT.
.THU...VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT.
.THU NIGHT...VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT.

CARIBBEAN BETWEEN 64W AND 72W

.OVERNIGHT...E WINDS 10 TO 20 KT. SEAS 4 TO 6 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.
.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.
.TUE...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
.TUE NIGHT...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
.WED...E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.WED NIGHT...E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
.THU...SE WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
.THU NIGHT...E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.

OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO
19N W OF 55W

.OVERNIGHT...SE WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
.SUN...SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.SUN NIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.MON...SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.MON NIGHT...SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.TUE...SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.TUE NIGHT...SE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
.WED...SE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
.WED NIGHT...E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
.THU...SE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
.THU NIGHT...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.

OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO
15N W OF 55W

.OVERNIGHT...E WINDS 10 TO 15 KT. SEAS 5 TO 7 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 15 KT. SEAS 5 TO 7 FT.
.MON NIGHT...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.TUE...E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
.TUE NIGHT...E WINDS 10 TO 20 KT. SEAS 5 TO 6 FT.
.WED...E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
.WED NIGHT...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.THU...E WINDS 10 TO 20 KT. SEAS 5 TO 6 FT.
.THU NIGHT...E WINDS 10 TO 20 KT. SEAS 5 TO 6 FT.

SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS

.SYNOPSIS...HIGH PRES CENTERED NEAR 31N68W WILL SHIFT E ACROSS
THE NE WATERS TONIGHT. LOW PRES WILL ORGANIZE N OF THE AREA SUN
WITH THE ASSOCIATED COLD FRONT MOVING ACROSS THE NW WATERS EARLY
MON. THE FRONT WILL WILL REACH FROM NEAR 31N65W TO 25N69W AND
WEAKEN TO THE SE BAHAMAS BY EARLY MON NIGHT...THEN EXTEND ALONG
27N TUE. HE EASTERN PORTION OF THE FRONT WILL STALL NEAR 25N65W
WED MORNING WHILE THE WESTERN PORTION LIFTS N ALONG THE FLORIDA
COAST AS A WARM FRONT IN ADVANCE OF THE NEXT FRONTAL SYSTEM
EXPECTED TO EMERGE INTO THE FAR WESTERN PORTION WED NIGHT. THE
COLD FRONT WITH THIS SYSTEM WILL REACH FROM NEAR 31N74W TO
26N74W TO CENTRAL CUBA BY EARLY THU LATE...AND FROM NEAR 31N70W
TO EASTERN CUBA BY THU NIGHT. FRESH TO STRONG WINDS ARE EXPECTED
E AND W OF THIS FRONT N AND NE OF THE BAHAMAS.

ATLC WATERS FROM 27N TO 31N W OF 77W

.OVERNIGHT...SW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
.SUN...W WINDS 15 TO 20 KT...BECOMING 10 TO 20 KT IN THE AFTERNOON.
SEAS 5 TO 7 FT.
.SUN NIGHT...W WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.MON...NW WINDS 10 TO 20 KT...DIMINISHNG TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 4 TO 6 FT.
.MON NIGHT...N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.TUE...NE WINDS 10 KT. SEAS 3 TO 5 FT.
.TUE NIGHT...E WINDS 10 TO 15 KT. SEAS 4 FT.
.WED...S WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.WED NIGHT...SW WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
.THU...W WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.THU NIGHT...NW WINDS 15 TO 25 KT. SEAS 8 TO 11 FT.

ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W

.OVERNIGHT...W OF 70W...S WINDS 10 TO 15 KT...BECOMING SW 10 TO 20
KT LATE. ELSEWHERE...N WINDS LESS THAN 10 KT...BECOMING S LATE.
SEAS 5 TO 7 FT.
.SUN...SW WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
.SUN NIGHT...W WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.
.MON...W OF 70W...W WINDS 10 TO 20 KT. ELSEWHERE...W WINDS 20 TO
25 KT. SEAS 7 TO 10 FT.
.MON NIGHT...NW WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
.TUE...NW WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
.TUE NIGHT...N WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.WED...SE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
.WED NIGHT...S WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.
.THU...SW WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.THU NIGHT...W WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.

BAHAMAS N OF 22N

.OVERNIGHT...SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
.SUN...SW WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
.SUN NIGHT...SW WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
.MON...W WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
.MON NIGHT...N WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
.TUE...VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
.TUE NIGHT...E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
.WED...S WINDS 10 TO 15 KT. SEAS 3 FT.
.WED NIGHT...S WINDS 10 TO 20 KT. SEAS 3 TO 4 FT.
.THU...W WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
.THU NIGHT...NW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.

ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS

.OVERNIGHT...W OF 70W...SE WINDS LESS THAN 10 KT. ELSEWHERE...NE
WINDS LESS THAN 10 KT EARLY...BECOMING VARIABLE WINDS LESS THAN
10 KT. SEAS 4 TO 6 FT.
.SUN...S WINDS 10 TO 15 KT...BECOMING SW 10 TO 20 KT IN THE
AFTERNOON. SEAS 5 TO 7 FT.
.SUN NIGHT...SW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
.MON...SW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
.MON NIGHT...W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.TUE...W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.TUE NIGHT...N WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
.WED...S WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
.WED NIGHT...S WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
.THU...SW WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.
.THU NIGHT...SW WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.

ATLC WATERS S OF 22N W OF 65W

.OVERNIGHT...SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
.SUN...S WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
.SUN NIGHT...SE WINDS LESS THAN 10 KT...SHIFTING TO S LATE. SEAS
3 TO 5 FT.
.MON...S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.MON NIGHT...SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
.TUE...S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
.TUE NIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
.WED...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.WED NIGHT...S WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
.THU...S WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.THU NIGHT...S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.

ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W

.OVERNIGHT...S WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
.SUN...S WINDS 10 KT. SEAS 4 TO 5 FT.
.SUN NIGHT...S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.MON...S WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
.MON NIGHT...S WINDS 10 TO 15 KT. SEAS 5 FT.
.TUE...S WINDS 10 TO 15 KT. SEAS 5 FT.
.TUE NIGHT...S WINDS 10 KT. SEAS 4 TO 5 FT.
.WED...S WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
.WED NIGHT...S WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
.THU...S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.THU NIGHT...SE WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.