High Seas Forecast
Issued by NWS

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000
FZNT01 KWBC 200404
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC TUE FEB 20 2018

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

PAN PAN

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

SYNOPSIS VALID 0000 UTC FEB 20
24 HOUR FORECAST VALID 0000 UTC FEB 21
48 HOUR FORECAST VALID 0000 UTC FEB 22

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW 42N41W 986 MB MOVING E 20 KT. BETWEEN 90 NM AND 180 NM W
QUADRANT WINDS 50 TO 65 KT. SEAS 28 TO 50 FT. ALSO WITHIN 300 NM
W SEMICIRCLE AND 360 NM S QUADRANT WINDS 40 TO 50 KT. SEAS 22 TO
44 FT...HIGHEST SW OF LOW. ELSEWHERE OVER FORECAST WATERS WITHIN
480 NM OF LOW WINDS 25 TO 40 KT. SEAS 15 TO 30 FT...HIGHEST SW
OF LOW.
.24 HOUR FORECAST LOW E OF AREA 41N34W 998 MB. FROM 39N TO 44N
BETWEEN 36W AND 38W WINDS 40 TO 50 KT. SEAS 24 TO 36 FT.
ELSEWHERE WITHIN 540 NM SW AND 360 NM NW QUADRANTS WINDS 25 TO
40 KT. SEAS 18 TO 30 FT.
.48 HOUR FORECAST LOW E OF AREA NEAR 38N30W 999 MB. FROM 31N TO
40N E OF 37W AREA OF N TO NW WINDS 25 TO 40 KT. SEAS 16 TO 24
FT.
...STORM WARNING...
.LOW NE OF AREA 66N29W MOVING W 10 KT. OVER ICE FREE FORECAST
WATERS FROM 59N TO 61N E OF 42W WINDS 40 TO 50 KT. SEAS 20 TO 32
FT. ELSEWHERE N OF 56N E OF 50W EXCEPT N OF 64N E OF GREENLAND
WINDS 25 TO 40 KT. SEAS 14 TO 28 FT.
.24 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DIMINISHED.

...STORM WARNING...
.12 HOUR FORECAST LOW 58N49W 1000 MB. OVER FORECAST WATERS
WITHIN 240 NM S AND SW QUADRANTS WINDS 25 TO 35 KT. SEAS 10 TO
14 FT.
.18 HOUR FORECAST LOW 59N45W 988 MB. WITHIN 90 NM S QUADRANT
WINDS 35 TO 50 KT. SEAS 12 TO 18 FT.
.24 HOUR FORECAST LOW 60N42W 984 MB. WITHIN 90 NM S AND SW
QUADRANTS WINDS 35 TO 50 KT. SEAS 14 TO 20 FT. ELSEWHERE WITHIN
120 NM E...540 NM SW QUADRANT WINDS 25 TO 40 KT. SEAS 10 TO 23
FT...HIGHEST NEAR 55N50W.
.48 HOUR FORECAST LOW 62N40W 970 MB. BETWEEN 120 NM AND 240 NM S
QUADRANT WINDS 40 TO 50 KT. SEAS 20 TO 27 FT. ELSEWHERE FROM 53N
TO 61N E OF 50W AND WITHIN 180 NM E QUADRANT WINDS 25 TO 35 KT.
SEAS 12 TO 24 FT.

...GALE WARNING...
.LOW 64N62W 1000 MB MOVING NE 30 KT. OVER ICE FREE WATERS WITHIN
300 NM SE QUADRANT WINDS 25 TO 35 KT. SEAS TO 10 FT.
.24 HOUR FORECAST NEW LOW 63N61W 1006 MB. BETWEEN 120 NM AND 300
NM S QUADRANT WINDS 25 TO 40 KT. SEAS 8 TO 15 FT.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS ABSORBED BY LOW
62N40W ABOVE.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY OVER ICE FREE FORECAST WATERS
N AND NW OF A LINE FROM 60N46W TO 53N51W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY W OF A LINE
FROM 66N35W TO 60N45W TO 49N53W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF A LINE
FROM 55N38W TO 49N50W TO 49N61W.

.SYNOPSIS AND FORECAST.

.N OF 42N W OF 64W AREA OF SW WINDS TO 25 KT. SEAS LESS THAN 8
FT.
.24 HOUR FORECAST FROM 38N TO 43N BETWEEN 53W AND 72W AREA OF SW
WINDS TO 25 KT. SEAS TO 10 FT.
.48 HOUR FORECAST NEW LOW INLAND 50N60W 1001 MB. WITHIN 420 NM
SW...780 NM S...AND 900 NM SW QUADRANTS WINDS TO 25 KT. SEAS TO
10 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 60N W OF 56W.
.24 HOUR FORECAST DENSE FOG W OF A LINE FROM 44N54W TO 40N70W
AND N OF 56N W OF 55W.
.48 HOUR FORECAST DENSE FOG W OF A LINE FROM 46N55W TO 42N55W TO
40N70W TO 38N74W.

.HIGH 40N60W 1038 MB MOVING S 15 KT.
.24 HOUR FORECAST HIGH 35N58W 1039 MB.
.48 HOUR FORECAST HIGH 33N62W 1037 MB.

.48 HOUR FORECAST HIGH 46N44W 1025 MB.

.FORECASTER KREKELER. 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 0000 UTC TUE FEB 20.
24 HOUR FORECAST VALID 0000 UTC WED FEB 21.
48 HOUR FORECAST VALID 0000 UTC THU FEB 22.

.WARNINGS.

...CARIBBEAN GALE WARNING...
.FROM 10.5N TO 13N BETWEEN 74W AND 77W NE WINDS 30 TO 35 KT.
SEAS 10 TO 13 FT. ELSEWHERE FROM 10N TO 15N BETWEEN 70W AND 78W
NE TO E WINDS 25 TO 30 KT. SEAS 8 TO 12 FT. REMAINDER CARIBBEAN
S OF 18N E OF 80W...INCLUDING ATLC PASSAGES...NE TO E WINDS 20
TO 25 KT. SEAS 8 TO 11 FT. ELSEWHERE S OF 16N BETWEEN 76W AND
82W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE TO E SWELL.
WINDWARD PASSAGE NE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.06 HOUR FORECAST FROM 10.5N TO 13N BETWEEN 74W AND 77W NE WINDS
30 TO 40 KT. SEAS 10 TO 16 FT. ELSEWHERE FROM 10N TO 18N BETWEEN
70W AND 82W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. E OF
70W...INCLUDING THE ATLC PASSAGES...NE TO E WINDS 20 TO 25 KT.
SEAS 8 TO 10 FT. REMAINDER OF AREA S OF 17N BETWEEN 76W AND 83W
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NE TO E SWELL. N OF 19N
E OF 76W...INCLUDING WINDWARD PASSAGE NE WINDS 20 TO 25 KT. SEAS
TO 9 FT.
.18 HOUR FORECAST FROM 10.5N TO 13N BETWEEN 73.5W AND 77W NE
WINDS 25 TO 30 KT. SEAS 10 TO 14 FT. ELSEWHERE FROM 10N TO 18N
BETWEEN 70W AND 83W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
E OF 70W...INCLUDING THE ATLC PASSAGES...NE TO E WINDS 20 TO 25
KT. SEAS 8 TO 11 FT. WINDWARD PASSAGE E OF 78W NE WINDS 20 TO 25
KT. SEAS TO 9 FT. REMAINDER CARIBBEAN E OF 84W WINDS 20 KT OR
LESS. SEAS TO 9 FT IN NE SWELL.
.24 HOUR FORECAST FROM 10.5N TO 13N BETWEEN 74W AND 77W NE WINDS
30 TO 40 KT. SEAS 11 TO 16 FT. ELSEWHERE FROM 10N TO 18N BETWEEN
70W AND 83W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. E OF
70W...INCLUDING THE ATLC PASSAGES...NE TO E WINDS 20 TO 25 KT.
SEAS 8 TO 11 FT. REMAINDER CARIBBEAN S OF 17N BETWEEN 76W AND
83W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE TO E SWELL.
WINDWARD PASSAGE E OF 78W NE WINDS 20 TO 30 KT. SEAS TO 10 FT.
.42 HOUR FORECAST FROM 10N TO 18N BETWEEN 70W AND 82W NE TO E
WINDS 20 TO 30 KT. SEAS 8 TO 14 FT. N OF 11N E OF 70W...
INCLUDING THE ATLC PASSAGES...NE TO E WINDS 20 TO 25 KT. SEAS TO
10 FT. N OF 18.5N E OF 83W...INCLUDING WINDWARD PASSAGE...NE TO
E WINDS 20 TO 25 KT. SEAS TO 9 FT. REMAINDER CARIBBEAN E OF 84W
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE TO E SWELL.
.48 HOUR FORECAST FROM 10.5N TO 13N BETWEEN 73.5W AND 76W NE
WINDS 30 TO 35 KT. SEAS 10 TO 13 FT. ELSEWHERE FROM 10N TO 18N
BETWEEN 70W AND 80W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
N OF 11N E OF 70W... INCLUDING THE ATLC PASSAGES...NE TO E WINDS
20 TO 25 KT. SEAS 8 TO 10 FT. N OF 18.5N E OF 80W...INCLUDING
WINDWARD PASSAGE...NE TO E WINDS 20 TO 25 KT. SEAS TO 9 FT.
REMAINING OPEN CARIBBEAN WATERS E OF 84W WINDS 20 KT OR LESS.
SEAS 8 TO 10 FT IN NE TO E SWELL.

.SYNOPSIS AND FORECAST.

.ATLC S OF 17N E OF 42W WINDS 20 KT OR LESS. SEAS TO 9 FT IN N
SWELL. S OF LINE FROM 22N70W TO 21N55W TO 10N42W NE TO E WINDS
20 TO 25 KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST FROM 15N TO 20N BETWEEN 55W AND 68W NE TO E
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE S OF LINE FROM
23N70W TO 18N50W TO 07N40W WINDS 20 KT OR LESS. SEAS TO 9 FT IN
MIXED N AND NE SWELL.
.48 HOUR FORECAST CONDITIONS TO MERGE WITH PARAGRAPH BELOW.

.ATLC S OF 24N BETWEEN 70W AND 80W...INCLUDING ATLC APPROACH
TO WINDWARD PASSAGE...E WINDS 20 TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST S OF 22N BETWEEN 70W AND 77W...INCLUDING ATLC
APPROACH TO WINDWARD PASSAGE...NE TO E WINDS 25 TO 30 KT. SEAS
TO 10 FT.
.48 HOUR FORECAST FROM 16N TO 27N BETWEEN 45W AND 79W...
INCLUDING ATLC APPROACH TO WINDWARD PASSAGE...NE TO E WINDS 20
TO 25 KT. SEAS 8 TO 16 FT...HIGHEST E OF BAMAHAS. ELSEWHERE ATLC
WATERS BETWEEN 40W AND 75W WINDS 20 KT OR LESS. SEAS 8 TO 20 FT
IN PRIMARILY NE SWELL...HIGHEST NE.

.ATLC COLD FRONT FROM 31N41W TO 27N50W TO 28N65W. W OF FRONT TO
56W N TO NE WINDS 20 TO 25 KT EXCEPT NW TO N WINDS E OF 45W.
SEAS 8 TO 13 FT IN N SWELL. ELSEWHERE N OF LINE FROM 31N60W TO
27N58W TO 28N48W TO 31N38W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT
IN N SWELL.
.24 HOUR FORECAST COLD FRONT FROM 27N35W TO 22N50W TO 21N68W. N
OF 28N E OF 50W N TO NE WINDS 20 TO 25 KT. SEAS 17 TO 24 FT. N
OF FRONT TO 28N BETWEEN 42W AND 68W NE WINDS 20 TO 25 KT. SEAS 8
TO 17 FT. ELSEWHERE N OF 21N E OF 68W WINDS 20 KT OR LESS. SEAS
8 TO 18 FT IN MIXED NE AND NW SWELL...HIGHEST E.
.48 HOUR FORECAST WEAKENING COLD FRONT FROM 22N35W TO 21N40W. N
OF 29N E OF 40W NW WINDS 20 TO 25 KT. SEAS 21 TO 23 FT.
ELSEWHERE N OF 13N E OF 40W WINDS 20 KT OR LESS. SEAS 8 TO 20
FT...HIGHEST N.

.06 HOUR CARIBBEAN FORECAST GULF OF HONDURAS S OF 18N W OF 84W E
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST GULF OF HONDURAS S OF 18.5N W OF 84W E WINDS
20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST GULF OF HONDURAS S OF 17.5N W OF 84W E WINDS
20 TO 25 KT. SEAS LESS THAN 8 FT.

.GULF OF MEXICO FROM 23N TO 25N E OF 84W...INCLUDING STRAITS OF
FLORIDA...E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST FROM 23N TO 26N E OF 84W...INCLUDING STRAITS
OF FLORIDA...E TO SE WINDS 20 TO 25 KT. SEAS TO 10 FT. FROM 20N
TO 26N BETWEEN 89W AND 94W SE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST FROM 23N TO 25N E OF 84W...INCLUDING STRAITS
OF FLORIDA...SE WINDS 20 TO 25 KT. SEAS TO 8 FT.

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

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.



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