High Seas Forecast
Issued by NWS

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000
FZNT01 KWBC 271011
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC MON MAR 27 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

PAN PAN

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

SYNOPSIS VALID 0600 UTC MAR 27
24 HOUR FORECAST VALID 0600 UTC MAR 28
48 HOUR FORECAST VALID 0600 UTC MAR 29

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW 48N42W 964 MB DRIFTING E...THEN MOVING E 25 KT AFTER 24
HOURS. WITHIN 240 NM W AND SW QUADRANTS WINDS 50 TO 65 KT. SEAS
24 TO 42 FT. WITHIN 360 NM SW AND S...AND 300 NM NW QUADRANTS
WINDS WINDS 35 TO 50 KT. SEAS 18 TO 34 FT. ELSEWHERE FROM 39N TO
54N E OF 55W...AND FROM 54N TO 60N E OF 50W WINDS 25 TO 40 KT.
SEAS 9 TO 25 FT.
.24 HOUR FORECAST LOW 47N40W 963 MB. WITHIN 480 NM SW SEMICIRCLE
WINDS 45 TO 60 KT. SEAS 25 TO 40 FT. ELSEWHERE WITHIN 600 NM S
AND 540 NM W QUADRANTS...AND FROM 58N TO 61N BETWEEN 46W AND 41W
WINDS 35 TO 50 KT. SEAS 16 TO 36 FT...EXCEPT N OF 58N SEAS 16 TO
25 FT. ELSEWHERE FROM 34N TO 62N E OF 55W WINDS 25 TO 40 KT.
SEAS 10 TO 28 FT...HIGHEST S QUADRANT OF LOW.
.48 HOUR FORECAST LOW E OF AREA 47N31W 975 MB. OVER FORECAST
WATERS WITHIN 660 NM SW QUADRANT WINDS 30 TO 45 KT. SEAS 14 TO
29 FT.

...GALE WARNING...
.LOW 59N56W 1008 MB MOVING SW 10 KT. WITHIN 240 NM NW QUADRANT
WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW DISSIPATED WITH ASSOCIATED CONDITIONS
DIMINISHED.

...GALE WARNING...
.24 HOUR FORECAST FROM 31N TO 33N BETWEEN 59W AND 68W AREA OF E
TO NE WINDS TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST FROM 31N TO 34N BETWEEN 51W AND 65W AREA OF E
TO NE WINDS 25 TO 35 KT. SEAS 8 TO 16 FT.

...GALE WARNING...
.48 HOUR FORECAST FROM 57N TO 63N BETWEEN 47W AND 38W WINDS 30
TO 45 KT. SEAS 10 TO 19 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY FROM 45N TO 53N BETWEEN 46W
AND 54W.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY FROM 45N TO
49N BETWEEN 51W AND 56W...AND FROM 58N TO 63N W OF 54W.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 60N W OF
52W.

.SYNOPSIS AND FORECAST.

.FROM 36N TO 39N BETWEEN 68W AND 72W WINDS TO 25 KT. SEAS LESS
THAN 8 FT.
.24 HOUR FORECAST NEW LOW 43N67W 1013 MB. WITHIN 240 NM NE AND
300 NM SE QUADRANTS WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW 42N60W 1011 MB. WITHIN 300 NM NE AND 240
NM SE QUADRANTS WINDS TO 25 KT. SEAS TO 10 FT.

.DENSE FOG. 24 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM
OVER FORECAST WATERS FROM 55N TO 60N E OF 44W.
.48 HOUR FORECAST DENSE FOG FROM 54N TO 62N E OF 38W.

.HIGH 42N64W 1032 MB MOVING NE 15 KT.
.24 HOUR FORECAST HIGH 44N59W 1026 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.24 HOUR FORECAST NEW HIGH 35N71W 1019 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.FORECASTER ROWLAND. 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 0600 UTC MON MAR 27.
24 HOUR FORECAST VALID 0600 UTC TUE MAR 28.
48 HOUR FORECAST VALID 0600 UTC WED MAR 29.

.WARNINGS.

...ATLC GALE WARNING...
.ATLC TROUGH FROM 29N66W TO BROAD LOW PRES CENTERED NEAR 24N69W
1008 MB TO 20N70W. WITHIN 30 NM EITHER SIDE OF LINE FROM 28N63W
TO 27N68W TO 26N69.5W NE TO E WINDS 30 TO 35 KT. SEAS 13 TO 18
FT. ELSEWHERE WITHIN 480 NM NE AND 240 NW QUADRANTS OF LOW WINDS
20 TO 30 KT. SEAS 9 TO 14 FT. REMAINDER OF AREA BOUNDED BY
31N73W TO 31N67W TO 28N60W TO 23N65W TO 22N71W TO 26N77W TO
29N75W TO 31N73W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NE TO E
SWELL.
.24 HOUR FORECAST LOW PRES NEAR 27N66W 1005 MB. WITHIN 60 NM
EITHER SIDE OF LINE FROM 30.5N61W TO 30N66W TO 29N67.5W NE TO E
WINDS 30 TO 40 KT. SEAS 13 TO 18 FT. ELSEWHERE OVER FORECAST
WATERS WITHIN 540 NM NE...450 NM SE...180 NM SW AND 240 NM NW
QUADRANTS OF LOW WINDS 20 TO 30 KT. SEAS 9 TO 14 FT. REMAINDER
OF AREA BOUNDED BY 31N72W TO 31N64W TO 31N56W TO 26N57W TO
23N66W TO 22N71W TO 26N76W TO 31N72W WINDS 20 KT OR LESS. SEAS
8 TO 12 FT IN NE TO E SWELL W OF 70W...AND IN MIXED SWELL E OF
70W.
.48 HOUR FORECAST LOW PRES NEAR 30N60W 1002 MB WITH COLD FRONT
TO 26N61W TO 19N67W AND WARM FRONT FROM LOW TO 31N55W TO 30N48W.
GALE FORCE WINDS TO LIFT N OF AREA. N OF 26N W OF COLD FRONT TO
67W N TO NE WINDS 20 TO 25 KT. SEAS 11 TO 17 FT IN NE SWELL. N
OF 24N E OF COLD FRONT TO 48W S TO SW WINDS 20 TO 25 KT. SEAS 8
TO 12 FT. ELSEWHERE N OF 23N W OF FRONT TO 70W WINDS 20 KT OR
LESS. SEAS 8 TO 13 FT IN NE TO E SWELL.

.SYNOPSIS AND FORECAST.

.ATLC 12 HOUR FORECAST COLD FRONT FROM 31N41W TO 30N46W AND
STATIONARY TO 31N54W. N OF 30N BETWEEN 40W AND 48W WINDS 20 KT
OR LESS. SEAS TO 9 FT IN NW SWELL.
.24 HOUR FORECAST COLD FRONT FROM 31N36W TO 29N43W AND
STATIONARY TO 31N53W. N OF 29N E OF LINE FROM 31N48W TO 29N43W
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW SWELL...HIGHEST NE.
.48 HOUR FORECAST WEAKENING COLD FRONT MOVE E OF AREA. N OF A
OF LINE FROM 22N35W TO 24N48W WINDS 20 KT OR LESS. SEAS 8 TO 12
FT IN NW SWELL EXCEPT 12 TO 17 FT N OF 26N E OF 47W...HIGHEST
SEAS N OF 28N E OF 43W.

.GULF OF MEXICO 12 HOUR FORECAST FROM 21N TO 22N BETWEEN 88W AND
91W E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST N OF 24N W OF 94W SE TO S WINDS 20 TO 25 KT
SEAS TO 8 FT. FROM 21N TO 22N BETWEEN 88W AND 91W E WINDS 20 TO
25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST N OF 22N OF 94W SE TO S WINDS 20 TO 25 KT.
SEAS TO 8 FT. FROM 21N TO 22.5N BETWEEN 89W AND 92W E TO SE
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

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

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.



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