High Seas Forecast
Issued by NWS

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000
FZNT01 KWBC 222210
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC THU FEB 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC FEB 22
24 HOUR FORECAST VALID 1800 UTC FEB 23
48 HOUR FORECAST VALID 1800 UTC FEB 24

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.RAPIDLY INTENSIFYING LOW 52N36W 963 MB MOVING NE 20 KT WILL
TURN NW AFTER 24 HOURS. WITHIN 120 NM W OF A LINE FROM 53N38W TO
48N40W WINDS 50 TO 65 KT. SEAS 16 TO 30 FT. ALSO WITHIN 420 NM S
AND SW AND 240 NM W QUADRANTS WINDS 35 TO 50 KT. SEAS 13 TO 25
FT. ELSEWHERE BETWEEN 60W AND A LINE FROM 63N50W TO 55N35W TO
39N35W WINDS 25 TO 40 KT. SEAS 10 TO 20 FT.
.24 HOUR FORECAST LOW E OF AREA 59N32W 939 MB. OVER FORECAST
WATERS BETWEEN 120 NM AND 240 NM W SEMICIRCLE WINDS 50 TO 65 KT.
SEAS 24 TO 36 FT. ELSEWHERE N OF 60N E OF GREENLAND...AND WITHIN
360 NM W AND SW QUADRANTS WINDS 40 TO 50 KT. SEAS 14 TO 28 FT.
ALSO OVER ICE FREE WATERS N OF 38N BETWEEN 35W AND 56W WINDS 25
TO 40 KT. SEAS 10 TO 26 FT. OTHERWISE FROM 31N TO 38N BETWEEN
35W AND 55W WINDS TO 25 KT. SEAS 8 TO 15 FT.
.48 HOUR FORECAST LOW ABSORBED BY NEW LOW 62N42W 960 MB. WITHIN
120 NM SE SEMICIRCLE WINDS 40 TO 50 KT. SEAS 20 TO 32 FT. ALSO N
OF 56N W OF 35W WINDS 25 TO 40 KT. SEAS 12 TO 26 FT. ELSEWHERE
OVER FORECAST WATERS N OF 50N WINDS 20 TO 30 KT. SEAS 10 TO 20
FT.

...GALE WARNING...
.48 HOUR FORECAST LOW 47N55W 1000 MB. WITHIN 600 NM S QUADRANT
WINDS 25 TO 40 KT. SEAS 8 TO 14 FT. ELSEWHERE FROM 35N TO 47N
BETWEEN 50W AND 66W WINDS 20 TO 30 KT. SEAS TO 10 FT.

...GALE WARNING...
.48 HOUR FORECAST FROM 31N TO 43N BETWEEN 35W AND 40W AREA OF N
TO NW WINDS 25 TO 35 KT. SEAS 16 TO 22 FT. ELSEWHERE FROM 31N TO
50N BETWEEN 35W AND 50W WINDS TO 25 KT. SEAS 9 TO 18 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY OVER ICE FREE WATERS N OF 57N
W OF 43W...AND W OF A LINE FROM 57N54W TO 47N47W INCLUDING THE
GULF OF SAINT LAWRENCE.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 56N W OF
43W...AND W OF A LINE FROM 56N52W TO 47N45W INCLUDING THE GULF
OF SAINT LAWRENCE.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N AND NW OF A
LINE FROM 56N56W TO 60N41W.

.SYNOPSIS AND FORECAST.

.LOW E OF AREA 65N33W 972 MB MOVING N 15 KT. OVER FORECAST
WATERS WITHIN 420 NM SW QUADRANT WINDS 20 TO 30 KT. SEAS 9 TO 18
FT.
.12 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

.LOW E OF AREA 33N28W 997 MB MOVING SE 20 KT. OVER FORECAST
WATERS WITHIN 480 NM W QUADRANT WINDS 20 TO 30 KT. SEAS 9 TO 17
FT.
.12 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS SE OF AREA.

.OVER FORECAST WATERS FROM 39N TO 41N W OF 69W AREA OF E TO NE
WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.DENSE FOG. 48 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM
WITHIN 90 NM OF 44N56W.

.HIGH 33N68W 1035 MB MOVING SW 10 KT.
.24 HOUR FORECAST HIGH 32N70W 1033 MB.
.48 HOUR FORECAST HIGH 31N69W 1027 MB.

.24 HOUR FORECAST HIGH 44N63W 1037 MB.
.48 HOUR FORECAST HIGH 33N55W 1025 MB.

.FORECASTER REINHART. 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 1800 UTC THU FEB 22.
24 HOUR FORECAST VALID 1800 UTC FRI FEB 23.
48 HOUR FORECAST VALID 1800 UTC SAT FEB 24.

.WARNINGS.

...CARIBBEAN GALE WARNING...
.CARIBBEAN FROM 11N TO 13N BETWEEN 74W AND 76W NE WINDS 25 TO 30
KT. SEAS 10 TO 15 FT. ELSEWHERE FROM 10N TO 18N E OF 81W NE TO E
WINDS 20 TO 30 KT. SEAS 8 TO 13 FT IN NE TO E SWELL. S OF 17N
BETWEEN 81W AND 83W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NE
TO E SWELL.
.06 HOUR FORECAST FROM 11N TO 13N BETWEEN 74W AND 76.5W NE TO E
WINDS 30 TO 35 KT. SEAS 10 TO 15 FT. ELSEWHERE FROM 10N TO 18N E
OF 81W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. S OF 17W
BETWEEN 81W AND 83W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NE
TO E SWELL.
.18 HOUR FORECAST FROM 10N TO 15N BETWEEN 73W AND 80W NE TO E
WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. FROM 15N TO 18N BETWEEN 70W
AND 76W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE
FROM 10N TO 18N E OF 81W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 12
FT. S OF 16.5W BETWEEN 81W AND 83W WINDS 20 KT OR LESS. SEAS 8
TO 10 FT IN NE TO E SWELL.
.24 HOUR FORECAST FROM 10N TO 15N BETWEEN 73W AND 80W NE TO E
WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. FROM 15N TO 18N BETWEEN 71W
AND 76W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE
FROM 10N TO 18N E OF 80W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT. S
OF 16.5W BETWEEN 80W AND 83W WINDS 20 KT OR LESS. SEAS 8 TO 11
FT IN NE TO E SWELL.
.30 HOUR FORECAST FROM 11N TO 12N BETWEEN 74W AND 76W NE TO E
WINDS 30 TO 35 KT. SEAS 10 TO 13 FT. ELSEWHERE FROM 10N TO 15N
FROM 70W TO 80W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. FROM
15N TO 18N BETWEEN 70W AND 76W NE TO E WINDS 20 TO 25 KT. SEAS 8
TO 10 FT. REMAINDER OF AREA S OF 18N E OF 80W WINDS 20 KT OR
LESS. SEAS 8 TO 9 FT IN NE TO E SWELL. S OF 16.5N BETWEEN 80W
AND 83W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NE TO E SWELL.
.42 HOUR FORECAST FROM 10.5N TO 13.5N BETWEEN 73W AND 78W NE
WINDS 20 TO 30 KT. SEAS 9 TO 13 FT. FROM 15N TO 18N BETWEEN 70W
AND 75W NE TO E WINDS 20 TO 25 KT. SEAS TO 9 FT. ELSEWHERE S OF
18N BETWEEN 64W AND 83W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN
NE TO E SWELL.
.48 HOUR FORECAST FROM 11N TO 13N BETWEEN 74W AND 76W NE TO E
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE FROM 10N TO 17N
BETWEEN 73W AND 81W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE
TO E SWELL.

.SYNOPSIS AND FORECAST.

.ATLC WATERS N OF 26N E OF 38W NW TO N WINDS 20 TO 25 KT. SEAS
14 TO 17 FT IN NW TO N SWELL. N OF 15N TO LINE FROM 23N78W TO
23N43W...INCLUDING APPROACH TO WINDWARD PASSAGE...NE TO E WINDS
20 TO 25 KT. SEAS 8 TO 16 FT IN N TO NE SWELL...HIGHEST NEAR
17N48W. ELSEWHERE S OF LINE FROM 29N77W TO 31N53W TO 31N35W
WINDS 20 KT OR LESS. SEAS 8 TO 15 FT IN MIXED NE AND N SWELL
OUTSIDE BAHAMAS...HIGHEST E PART.
.24 HOUR FORECAST FROM 17N TO 25N BETWEEN 61W AND
76W...INCLUDING APPROACH TO WINDWARD PASSAGE...NE TO E WINDS 20
TO 25 KT. SEAS 8 TO 13 FT IN NE SWELL. ELSEWHERE S OF LINE FROM
28N77W TO 28N65W TO 24N47W TO 24N35W WINDS 20 KT OR LESS. SEAS 8
TO 13 FT IN MIXED NE AND N SWELL OUTSIDE BAHAMAS...HIGHEST NEAR
14N55W.
.48 HOUR FORECAST S OF LINE FROM 26N74W TO 14N48W TO 14N43W TO
21N35W...INCLUDING APPROACH TO WINDWARD PASSAGE...WINDS 20 KT OR
LESS. W OF 55W...SEAS 8 TO 9 FT IN NE TO E SWELL OUTSIDE
BAHAMAS. E OF 55W...SEAS 8 TO 9 FT IN N TO NE SWELL.

.24 HOUR FORECAST ATLC COLD FRONT FROM 27N35W TO 25N41W TO
24N48W. N OF 30N BETWEEN 38W AND 46W NW TO N WINDS 20 TO 25 KT.
SEAS 9 TO 11 FT. ELSEWHERE N OF LINE FROM 24N35W TO 24N48W WINDS
20 KT OR LESS. SEAS 8 TO 13 FT IN NW TO N SWELL...HIGHEST NEAR
23N35W.
.48 HOUR FORECAST ATLC COLD FRONT FROM 22N35W TO 19N45W. N OF
FRONT AND E OF 42W NW TO N WINDS 20 TO 30 KT. SEAS 10 TO 19 FT
IN NW TO N SWELL. ELSEWHERE N OF LINE FROM 21N35W TO 22N48W TO
31N53W WINDS 20 KT OR LESS. SEAS 8 TO 16 FT IN NW TO N
SWELL...HIGHEST NE PART.

.CARIBBEAN N OF 18.5N E OF 80W...INCLUDING WINDWARD PASSAGE...NE
TO E WINDS 20 TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST N OF 18.5N E OF 76W...INCLUDING WINDWARD
PASSAGE...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST WINDWARD PASSAGE E OF 75W NE WINDS 20 TO 25
KT. SEAS LESS THAN 8 FT.

.CARIBBEAN 06 HOUR FORECAST S OF 17.5N W OF 86W...INCLUDING THE
GULF OF HONDURAS...E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.GULF OF MEXICO AREAS OF DENSE FOG WITHIN 30 NM OF THE COAST
FROM HIGH ISLAND TEXAS TO PORT ARANASAS TEXAS.
.18 HOUR FORECAST FOG DISSIPATED.

.GULF OF MEXICO S OF 24N E OF 84W...INCLUDING THE
STRAITS OF FLORIDA...E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

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

$$
.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.



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