High Seas Forecast
Issued by NWS

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000
FZNT01 KWBC 170336
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC TUE OCT 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

THE U.S. COAST GUARD IS CURRENTLY EXPERIENCING DEGRADATION IN
IMAGE QUALITY OF ALL HFFAX PRODUCTS. TROUBLESHOOTING OF THE
PROBLEM IS TAKING PLACE.

SECURITE

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

SYNOPSIS VALID 0000 UTC OCT 17
24 HOUR FORECAST VALID 0000 UTC OCT 18
48 HOUR FORECAST VALID 0000 UTC OCT 19

.WARNINGS.

...STORM WARNING...
.LOW 62N38W 984 MB DRIFTING W. OVER FORECAST WATERS N OF A LINE
FROM 63N41W TO 62N35W WINDS 30 TO 45 KT. SEAS 9 TO 18 FT.
.06 HOUR FORECAST LOW 62N42W 984 MB. N OF 64N AND E OF GREENLAND
WINDS 40 TO 50 KT. SEAS 15 TO 21 FT.
.24 HOUR FORECAST LOW 62N40W 994 MB. N OF 65N AND E OF 38W WINDS
40 TO 50 KT. SEAS 15 TO 18 FT. ELSEWHERE N OF A LINE FROM 65N39W
TO 65N35W AND WITHIN 180 NM SW QUADRANT WINDS 25 TO 40 KT. SEAS
9 TO 15 FT.
.48 HOUR FORECAST LOW 61N40W 992 MB. FROM 58N TO 61N BETWEEN 36W
AND 49W AND N OF A LINE FROM 65N38W TO 66N35W WINDS 25 TO 40 KT.
SEAS 9 TO 16 FT.

...GALE WARNING...
.LOW 52N44W 986 MB MOVING NE 35 KT. OVER FORECAST WATERS WITHIN
120 NM NE...900 NM SE...1080 NM SW...AND 360 NM W QUADRANTS
WINDS 25 TO 40 KT. SEAS 8 TO 16 FT.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS E OF AREA.

...GALE WARNING...
.OVER FORECAST WATERS NW OF A LINE FROM 38N70W TO 35N74W TO
32N81W AREA OF N WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT.
.06 HOUR FORECAST W OF A LINE FROM 38N68W TO 34N74W TO 31N79W
AREA OF N TO NE WINDS 25 TO 35 KT. SEAS TO 11 FT.
.24 HOUR FORECAST W OF A LINE FROM 35N65W TO 31N72W AREA OF NE
WINDS 20 TO 30 KT. SEAS TO 12 FT.
.48 HOUR FORECAST W OF A LINE FROM 35N60W TO 31N68W AREA OF NE
WINDS TO 25 KT. SEAS TO 9 FT.

...GALE WARNING...
.24 HOUR FORECAST LOW 47N44W 1003 MB. WITHIN 300 NM SE AND 660
NM SW QUADRANTS WINDS 30 TO 45 KT. SEAS 10 TO 17 FT.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS E OF AREA.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 37N59W 1011 MB. WITHIN 240 NM SE...120
NM SW...AND 180 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS 9 TO 15
FT.
.48 HOUR FORECAST LOW 41N42W 1012 MB. OVER FORECAST WATERS
WITHIN 360 NM SE AND 420 NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS
10 TO 14 FT.

.SYNOPSIS AND FORECAST.

.48 HOUR FORECAST INLAND LOW 52N56W 1011 MB. OVER FORECAST
WATERS FROM 42N TO 48N BETWEEN 52W AND 61W WINDS 20 TO 30 KT.
SEAS TO 10 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 180 NM SE OF
A LINE FROM 48N46W TO 44N55W.
.24 HOUR FORECAST DENSE FOG FROM 44N TO 47N BETWEEN 42W AND 50W.
.48 HOUR FORECAST CONDITIONS IMPROVED.

.HIGH 34N37W 1031 MB NEARLY STATIONARY.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST HIGH 32N35W 1029 MB.

.FORECASTER BELL. 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 OCT 17.
24 HOUR FORECAST VALID 0000 UTC WED OCT 18.
48 HOUR FORECAST VALID 0000 UTC THU OCT 19.

.WARNINGS.

...GULF OF MEXICO GALE WARNING...

.GULF OF MEXICO COLD FRONT FROM 30N83W TO 26N90W TO 18N95W.
WITHIN 90 NM OF COAST OF MEXICO S OF 25N N TO NW WINDS 30 TO 35
KT. SEAS 9 TO 14 FT. ELSEWHERE W OF FRONT W OF 93W N WINDS 20 TO
25 KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST STATIONARY FRONT FROM 29N82W TO 26N90W TO
19N95W. S OF 23N W OF 94W N TO NW WINDS 20 TO 30 KT. SEAS 8 TO
13 FT. ELSEWHERE N OF THE FRONT E OF 87W NE WINDS 20 TO 25 KT.
SEAS LESS THAN 8 FT.
.48 HOUR FORECAST DISSIPATING STATIONARY FRONT FROM 29N84W TO
27N93W TO 23N95W. S OF 20N W OF 95W NW WINDS 20 TO 25 KT. SEAS
TO 8 FT.

.SYNOPSIS AND FORECAST.

.ATLC TROUGH FROM 31N70W TO 22N70W. FROM 22N TO 30N E OF TROUGH
BETWEEN 65W AND 69W SE TO S WINDS 20 TO 25 KT. SEAS 8 TO 11 FT.
ELSEWHERE FROM 21N TO 30N BETWEEN 64W AND 71W AND FROM 15N TO
22N BETWEEN 55W AND 63W WINDS 20 KT OR LESS. SEAS TO 9 FT
PRIMARILY IN SE SWELL.
.24 HOUR FORECAST TROUGH MERGE WITH COLD FRONT EXTEDING FROM
31N66W TO 29N67W. E OF FRONT TO 62W N OF 28N S WINDS 20 TO 25
KT. SEAS TO 9 FT.
.30 HOUR FORECAST FRONT N OF AREA. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.ATLC 06 HOUR FORECAST COLD FRONT FROM 31N80W TO 30N81W. W OF
THE FRONT NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST STATIONARY FRONT FROM 30N79W TO 29N81W. W OF
FRONT NE WINDS 20 TO 25 KT. SEAS TO 12 FT. ELSEWHERE W OF A LINE
FROM 31N71W TO 28N80W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT.
.48 HOUR FORECAST FRONT DISSIPATED. W OF LINE FROM 31N73W TO
28N79W WINDS 20 KT OR LESS. SEAS TO 9 FT.

.ATLC 06 HOUR FORECAST FROM 15N TO 20N BETWEEN 52W AND 63W WINDS
20 KT OR LESS. SEAS 8 FT IN E SWELL.
.24 HOUR FORECAST FROM 12N TO 19N BETWEEN 48W AND 60W WINDS 20
KT OR LESS. SEAS 8 FT IN E SWELL.
.48 HOUR FORECAST FROM 07N TO 18N BETWEEN 45W AND 61W WINDS 20
KT OR LESS. SEAS 8 FT IN E SWELL.

.ATLC FROM 22N TO 28N E OF 41W WINDS 20 KT OR LESS. SEAS 8 FT IN
NE SWELL.
.24 HOUR FORECAST FROM 17N TO 27N E 43W WINDS 20 KT OR LESS.
SEAS 8 FT IN NE SWELL.
.48 HOUR FORECAST FROM 17N TO 23N E OF 37W WINDS 20 KT OR LESS.
SEAS 8 FT IN E SWELL.

.CARIBBEAN S OF 14N BETWEEN 68W AND 71W E WINDS 20 TO 25 KT.
SEAS TO 8 FT.
.24 HOUR FORECAST S OF 15N BETWEEN 69W AND 75W E WINDS 20 TO 25
KT. SEAS TO 8 FT.
.48 HOUR FORECAST S OF 13N BETWEEN 68W AND 73W E WINDS 20 TO 25
KT. SEAS TO 8 FT.

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

$$
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.



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