High Seas Forecast
Issued by NWS

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000
FZNT01 KWBC 291557
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC SAT APR 29 2017

CCODE/1:31:04:01:00/AOW/NWS/CCODE
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS

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.
ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE
NATIONAL WEATHER SERVICE. EMAIL US AT
VOSOPS@NOAA.GOV(LOWERCASE).

SECURITE

NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W

SYNOPSIS VALID 1200 UTC APR 29
24 HOUR FORECAST VALID 1200 UTC APR 30
48 HOUR FORECAST VALID 1200 UTC MAY 01

.WARNINGS.

...STORM WARNING...
.LOW 52N50W 1000 MB MOVING NE 15 KT. FRONT EXTENDS FROM LOW TO
46N54W TO 40N62W. WITHIN 420 NM E OF FRONT AREA OF SW WINDS 20
TO 30 KT. SEAS TO 10 FT.
.06 HOUR FORECAST LOW 52N47W 994 MB. WITHIN 300 NM E OF A LINE
FROM 49N46W TO 44N49W TO 39N56W WINDS 25 TO 35 KT. SEAS 8 TO 13
FT.
.24 HOUR FORECAST LOW 53N42W 980 MB. FRONT TO EXTEND FROM 46N35W
TO 42N44W. WITHIN 180 NM NW...240 NM NE AND SW AND 540 NM SE
QUADRANTS AND 420 NM S OF FRONT WINDS 25 TO 40 KT. SEAS 8 TO 17
FT...HIGHEST S OF FRONT.
.48 HOUR FORECAST LOW 53N41W 973 MB. BETWEEN 240 NM AND 480 NM W
AND SW QUADRANTS WINDS 40 TO 50 KT. SEAS 14 TO 27 FT. ELSEWHERE
OVER FORECAST WATERS WITHIN 420 NM N AND NW...660 NM W AND 1260
NM S QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO 19 FT.

...STORM WARNING...
.24 HOUR FORECAST NEW LOW 43N49W 995 MB. WITHIN 300 NM S AND SE
QUADRANTS WINDS 35 TO 50 KT. SEAS 10 TO 18 FT. ELSEWHERE WITHIN
480 NM S AND 660 NM W QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 13
FT.
.48 HOUR FORECAST LOW E OF AREA. CONDITIONS DESCRIBED WITH LOW
53N41W ABOVE.

...STORM WARNING...
.48 HOUR FORECAST LOW E OF AREA 64N33W 994 MB. OVER FORECAST
WATERS N OF 64N E OF GREENLAND WINDS 40 TO 55 KT. SEAS 12 TO 22
FT. ELSEWHERE WITHIN 90 NM OF THE E COAST OF GREENLAND WINDS 25
TO 40 KT. SEAS 8 TO 14 FT.

...GALE WARNING...
.LOW E OF AREA 62N30W 978 MB MOVING S 10 KT. OVER FORECAST
WATERS WITHIN 300 NM W SEMICIRCLE AND E OF A LINE FROM 48N37W TO
60N45W WINDS 25 TO 35 KT. SEAS IN ICE FREE WATERS 10 TO 20 FT.
.24 HOUR FORECAST LOW E OF AREA 59N31W 993 MB. FROM 58N TO 60N
BETWEEN 41W AND 50W WINDS 30 TO 45 KT. SEAS 10 TO 19 FT.
ELSEWHERE N OF 56N E OF 40W WINDS 20 TO 30 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW DISSIPATED. CONDITIONS DESCRIBED WITH LOW
53N41W ABOVE.

...GALE WARNING...
.LOW 61N65W 991 MB MOVING E 10 KT. FRONT EXTENDS FROM LOW TO
57N56W TO 53N51W. WITHIN 180 NM NE OF FRONT WINDS 20 TO 30 KT.
SEAS TO 8 FT.
.24 HOUR FORECAST LOW 61N58W 987 MB. WITHIN 240 NM E AND W AND
360 NM S QUADRANTS WINDS 30 TO 45 KT. SEAS IN ICE FREE WATERS 8
TO 17 FT. ELSEWHERE FROM 53N TO 66N W OF 50W WINDS 20 TO 30 KT.
SEAS TO 11 FT.
.48 HOUR FORECAST LOW 63N60W 999 MB. WITHIN 240 NM N AND 420 NM
S QUADRANTS WINDS 20 TO 30 KT. SEAS IN ICE FREE WATERS 8 TO 15
FT.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM OVER FORECAST
WATERS FROM 41N TO 53N BETWEEN 45W AND 63W...AND FROM 39N TO 44N
BETWEEN 65W AND 70W.
.24 HOUR FORECAST DENSE FOG FROM 41N TO 49N BETWEEN 47W AND 53W.
.48 HOUR FORECAST CONDITIONS IMPROVING.

.LIGHT TO MODERATE FREEZING SPRAY OVER ICE FREE FORECAST WATERS
N OF 63N W OF GREENLAND.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY W OF A LINE
FROM 56N55W TO 60N55W.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY FROM 47N TO
51N BETWEEN 50W AND 53W AND W OF A LINE FROM 56N54W TO 61N54W.

.HIGH 36N42W 1031 MB MOVING SE 20 KT.
.24 HOUR FORECAST HIGH E OF AREA.

.HIGH 32N64W 1028 MB MOVING SW 10 KT.
.24 HOUR FORECAST HIGH 31N68W 1027 MB.
.48 HOUR FORECAST LITTLE CHANGE.

.48 HOUR FORECAST HIGH 41N63W 1026 MB.

.FORECASTER KOSIER. OCEAN PREDICTION CENTER.

NATIONAL HURRICANE CENTER MIAMI FL

ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF MEXICO

SYNOPSIS VALID 1200 UTC SAT APR 29.
24 HOUR FORECAST VALID 1200 UTC SUN APR 30.
48 HOUR FORECAST VALID 1200 UTC MON MAY 01.

.WARNINGS.

...GALE WARNING...
.GULF OF MEXICO N OF 22N W OF 90W SE TO S WINDS 20 TO 30 KT.
SEAS 8 TO 10 FT...BUILDING TO 12 FT NW PART. ELSEWHERE W OF 85W
SE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.12 HOUR FORECAST N OF 22N W OF 90W SE TO S WINDS 20 TO 30 KT.
SEAS 8 TO 12 FT. E OF 90W...INCLUDING THE STRAITS OF FLORIDA AND
THE YUCATAN CHANNEL...TO A LINE FROM 30N87W TO 25N82W SE WINDS
20 TO 25 KT. SEAS TO 8 FT.
.18 HOUR FORECAST COLD FRONT APPROACHING FROM W. N OF 22N W OF
90W SE TO S WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. ELSEWHERE...
INCLUDING STRAITS OF FLORIDA...SE WINDS 20 TO 25 KT. SEAS TO 8
FT.
.24 HOUR FORECAST COLD FRONT FROM 30N93W TO 26N95W TO 21N97W. W
OF FRONT NW WINDS 20 TO 30 KT. SEAS BUILDING TO 10 FT. N OF 22N
E OF FRONT TO 90W S TO SE WINDS 20 TO 30 KT. SEAS 9 TO 13 FT.
ELSEWHERE W OF 85W SE TO S WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.30 HOUR FORECAST COLD FRONT FROM 30N92W TO 22N95W TO 19N95W. S
OF 26N W OF FRONT NW TO N WINDS 25 TO 35 KT. SEAS 8 TO 11 FT.
ELSEWHERE W OF FRONT NW TO N WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
N OF 22N E OF 90W...INCLUDING THE STRAITS OF FLORIDA...SE TO S
WINDS 20 TO 25 KT. SEAS TO 8 FT. REMAINDER OF AREA N OF 22N W OF
90W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN SE SWELL.
.42 HOUR FORECAST COLD FRONT FROM 30N88W TO 26N91W TO 22N94W TO
18.5N94W. S OF 24N W OF FRONT NW TO N WINDS 20 TO 25 KT. SEAS 8
TO 9 FT. ELSEWHERE W OF FRONT TO A LINE FROM 29N90W TO 25N97W
WINDS 20 KT OR LESS. SEAS 8 FT IN SE SWELL.
.48 HOUR FORECAST COLD FRONT FROM 30N86W TO 26N90W TO 22N92W TO
18.5N93W. N OF 22N WITHIN 60 NM W OF FRONT AND S OF 20N W OF
FRONT NW TO N WINDS 20 TO 25 KT. SEAS TO 8 FT.

.SYNOPSIS AND FORECAST.

.ATLC N OF 20N E OF 45W WINDS 20 KT OR LESS. SEAS 9 TO 11 FT IN
NE SWELL.
.24 HOUR FORECAST FROM 14N TO 25N AND E OF A LINE FROM 25N50W TO
22N48W TO 14N35W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE SWELL.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.ATLC S OF 23N W OF 70W...INCLUDING APPROACHES TO WINDWARD
PASSAGE...E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST S OF 26N W OF 70W...INCLUDING APPROACHES TO
WINDWARD PASSAGE...E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST S OF 23N W OF 70W...INCLUDING APPROACHES TO
WINDWARD PASSAGE...E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.ATLC 48 HOUR FORECAST COLD FRONT FROM 31N48W TO 29N51W TO
31N61W. N OF 30N E OF FRONT TO 38W SW WINDS 20 TO 25 KT. SEAS 8
TO 9 FT. W OF FRONT TO 51W WINDS 20 KT OR LESS. SEAS 8 FT IN NW
SWELL.

.CARIBBEAN S OF 19N W OF 85W...INCLUDING GULF OF HONDURAS...E
TO SE WINDS 20 TO 25 KT. SEAS 8 FT.
.24 HOUR FORECAST W OF 85W...INCLUDING GULF OF HONDURAS...E TO
SE WINDS 20 TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST S OF 19N W OF 85W...INCLUDING GULF OF
HONDURAS...E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.CARIBBEAN FROM 11N TO 18N BETWEEN 70W AND 78W...AND S OF
15S BETWEEN 66W AND 70W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 11
FT...HIGHEST NEAR THE COAST OF COLOMBIA.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST FROM 12N TO 16N BETWEEN 70W AND 79W NE TO E
WINDS 20 TO 25 KT. SEAS 8 FT.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.



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