High Seas Forecast
Issued by NWS

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000
FZNT01 KWBC 220421
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC SAT JUL 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

ATLANTIC ICEBERG ANALYSIS AND OUTLOOK PRODUCTS...COURTESY OF
THE U.S. COAST GUARD INTERNATIONAL ICE PATROL...CAN BE FOUND
ON THE OCEAN PREDICTION CENTER WEB PAGE AT
HTTP://WWW.OPC.NCEP.NOAA.GOV/ATL_TAB.SHTML(LOWERCASE).

SECURITE

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

SYNOPSIS VALID 0000 UTC JUL 22
24 HOUR FORECAST VALID 0000 UTC JUL 23
48 HOUR FORECAST VALID 0000 UTC JUL 24

.WARNINGS.

...GALE WARNING...
.COMPLEX LOW WITH FIRST CENTER 45N45W 1010 MB MOVING NE 20 KT
AND SECOND CENTER 40N51W 1010 MB MOVING NE 10 KT. WITHIN 540 NM
E SEMICIRCLE AND 840 NM SW QUADRANT OF FIRST CENTER WINDS TO 25
KT. SEAS TO 10 FT.
.12 HOUR FORECAST LOW 46N42W 1005 MB. WITHIN 300 NM E OF A FRONT
FROM LOW CENTER TO 35N49W WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW 51N38W 1002 MB. WITHIN 1020 NM S AND 1140
NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST LOW E OF AREA. FROM 31N TO 41N E OF 43W WINDS
TO 25 KT. SEAS TO 8 FT.

...GALE WARNING...
.LOW 49N60W 1000 MB MOVING NE 15 KT. WINDS LESS THAN 25 KT. SEAS
LESS THAN 8 FT.
.24 HOUR FORECAST LOW 54N55W 992 MB. WITHIN 540 NM OF LOW CENTER
EXCEPT 180 NM NW QUADRANT WINDS 20 TO 30 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW 54N55W 992 MB. WITHIN 240 NM N OF A LINE
FROM 60N59W TO 58N46W TO 58N38W WINDS 30 TO 45 KT. SEAS 11 TO 22
FT. ELSEWHERE WITHIN 540 NM NW...660 NM NE AND 480 NM SE
QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.

.SYNOPSIS AND FORECAST.

.LOW 54N59W 997 MB MOVING N 15 KT. WITHIN 360 NM E SEMICIRCLE
WINDS TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

.LOW E OF AREA NEAR 62N34W 993 MB MOVING NE 10 KT. OVER FORECAST
WATERS WITHIN 240 NM NW AND 360 NM SW QUADRANTS WINDS 20 TO 30
KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW AND CONDITIONS E OF AREA.

.24 HOUR FORECAST FROM 31N TO 39N BETWEEN 64W AND 78W WINDS 20
TO 30 KT. SEAS TO 8 FT.
.48 HOUR FORECAST NEW LOW 40N62W 1008 MB. WITHIN 420 NM SE AND
900 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 12 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 50N
BETWEEN 42W AND 58W AND FROM 51N TO 57N BETWEEN 51W AND 57W AND
FROM 43N TO 53N E OF 42W.
.24 HOUR FORECAST DENSE FOG FROM 42N TO 57N E OF 57W AND FROM
58N TO 62N BETWEEN 58W AND 63W.
.48 HOUR FORECAST DENSE FOG FROM 57N TO 61N BETWEEN 54W AND 62W
AND FROM 41N TO 58N E OF 40W.

.HIGH 63N57W 1008 MB DRIFTING NE.
.24 HOUR FORECAST HIGH DISSIPATED.

.HIGH 56N45W 1012 MB MOVING NE 20 KT.
.24 HOUR FORECAST HIGH 61N36W 1016 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.HIGH 33N40W 1025 MB MOVING SW 15 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.FORECASTER HOLLEY. 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 SAT JUL 22.
24 HOUR FORECAST VALID 0000 UTC SUN JUL 23.
48 HOUR FORECAST VALID 0000 UTC MON JUL 24.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC AND CARIBBEAN FROM 19N TO 21N BETWEEN 71W AND
75W...INCLUDING APPROACHES TO WINDWARD PASSAGE...NE TO E WINDS
20 TO 25 KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.CARIBBEAN FROM 11N TO 13N BETWEEN 74W AND 76W NE WINDS 20 TO 25
KT. SEAS TO 8 FT. N OF 17N BETWEEN 71W AND 73W NE TO E WINDS 20
TO 25 KT. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAT 8 FT.
.24 HOUR FORECAST FROM 11N TO 13N BETWEEN 72W AND 75W NE WINDS
20 TO 25 KT. SEAS TO 9 FT. S OF 14N BETWEEN 69W AND
72W...INCLUDING THE GULF OF VENEZUELA...NE WINDS 20 TO 25 KT.
SEAS LESS THAN 8 FT.
.36 HOUR FORECAST FROM 11N TO 15N BETWEEN 70W AND 77W NE WINDS
20 TO 25 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST S OF 14N BETWEEN 70W AND 74W...INCLUDING THE
GULF OF VENEZUELA...NE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.

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

$$

.FORECASTER ERA. NATIONAL HURRICANE CENTER.



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