High Seas Forecast
Issued by NWS

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000
FZNT01 KWBC 170934
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC OCT 17
24 HOUR FORECAST VALID 0600 UTC OCT 18
48 HOUR FORECAST VALID 0600 UTC OCT 19

.WARNINGS.

...STORM WARNING...
.LOW 63N41W 982 MB MOVING SE 05 KT. OVER FORECAST WATERS N OF
64N AND E OF GREENLAND WINDS 40 TO 50 KT. SEAS 14 TO 21 FT.
ELSEWHERE N OF 62N AND E OF GREENLAND AND WITHIN 180 NM S
QUADRANT WINDS 25 TO 40 KT. SEAS 8 TO 15 FT.
.24 HOUR FORECAST LOW 61N38W 994 MB. N OF 65N AND E OF 37W WINDS
40 TO 50 KT. SEAS 14 TO 17 FT. ELSEWHERE N OF 65N E OF 38W AND
WITHIN 180 NM S QUADRANT WINDS 25 TO 40 KT. SEAS 9 TO 16 FT.
.48 HOUR FORECAST LOW 61N38W 992 MB. FROM 58N TO 61N E OF 49W
AND N OF 65N E OF GREENLAND WINDS 25 TO 40 KT. SEAS 9 TO 16 FT.

...GALE WARNING...
.LOW 53N38W 985 MB MOVING NE 25 KT. OVER FORECAST WATERS FROM
42N TO 54N E OF 46W WINDS 30 TO 45 KT. SEAS 9 TO 19 FT.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS E OF AREA.

...GALE WARNING...
.OVER FORECAST WATERS W OF A LINE FROM 39N68W TO 34N73W TO
31N78W AREA OF N TO NE WINDS 25 TO 35 KT. SEAS TO 10 FT.
.24 HOUR FORECAST W OF A LINE FROM 35N64W TO 31N71W AREA OF NE
WINDS TO 25 KT. SEAS TO 11 FT.
.48 HOUR FORECAST WITHIN 180 NM NW OF A LINE FROM 35N57W TO
31N73W AREA OF NE WINDS TO 25 KT. SEAS TO 10 FT.

...GALE WARNING...
.LOW 43N60W 1010 MB MOVING NE 40 KT. WITHIN 420 NM SE AND E OF A
FRONT FROM 45N49W TO LOW CENTER TO 37N68W WINDS 20 TO 30 KT.
SEAS TO 11 FT.
.24 HOUR FORECAST LOW 47N38W 1000 MB. WITHIN 90 NM N...420 NM
S...AND 780 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...
.OVER FORECAST WATERS FROM 31N TO 33N BETWEEN 63W AND 69W AREA
OF S WINDS 20 TO 30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW 39N55W 1010 MB. FROM 33N TO 41N BETWEEN
52W AND 60W WINDS 25 TO 40 KT. SEAS 9 TO 15 FT.
.48 HOUR FORECAST LOW 43N36W 1004 MB. OVER FORECAST WATERS
WITHIN 420 NM S...600 NM SW...AND 420 NM NW QUADRANTS WINDS 25
TO 40 KT. SEAS 9 TO 17 FT.

.SYNOPSIS AND FORECAST.

.48 HOUR FORECAST LOW 53N54W 1013 MB. OVER FORECAST WATERS FROM
42N TO 49N BETWEEN 50W AND 58W WINDS 20 TO 30 KT. SEAS TO 10 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 120 NM SE OF
A LINE FROM 47N45W TO 44N54W.
.24 HOUR FORECAST CONDITIONS IMPROVING.

.HIGH 34N38W 1030 MB NEARLY STATIONARY.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST HIGH JUST E OF AREA.

.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 0600 UTC TUE OCT 17.
24 HOUR FORECAST VALID 0600 UTC WED OCT 18.
48 HOUR FORECAST VALID 0600 UTC THU OCT 19.

.WARNINGS.

...GULF OF MEXICO GALE WARNING...

.GULF OF MEXICO COLD FRONT FROM 29N83W TO 24N93W TO 18N94W.  SW
OF LINE FROM 21N96W TO 19N94W NW WINDS 30 TO 40 KT. SEAS 10 TO
15 FT. ELSEWHERE W OF LINE FROM 27N90W TO 18N94W N WINDS 20 TO
30 KT. SEAS TO 11 FT. N OF 29N BETWEEN 87W AND 92W NE WINDS 20
TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST STATIONARY FRONT FROM 26N82W TO 21N87W.
SW OF LINE FROM 21N95W TO 19N94W NW WINDS 20 TO 30 KT. SEAS
TO 10 FT.
.48 HOUR FORECAST FRONTAL TROUGH FROM 24N80W TO 21N87W. FROM 27N
TO 29N E OF 85W NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 31N78W TO 30N81W. W OF FRONT NE WINDS 20
TO 25 KT. SEAS BUILDING TO 8 FT.
.12 HOUR FORECAST COLD FRONT FROM 31N74W TO 28.5N81W. W OF FRONT
NE WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST STATIONARY FRONT FROM 30N67W TO 27N80W. N OF
29N W OF 78W NE WINDS 20 TO 25 KT. SEAS TO 11 FT. ELSEWHERE W OF
LINE FROM 31N70W TO 28N80W WINDS 20 KT OR LESS. SEAS TO 10 FT.
.48 HOUR FORECAST FRONTAL TROUGH FROM 31N67W TO 28N76W TO 25N80W.
N OF 29N W OF 77W WINDS 20 KT OR LESS. SEAS TO 8 FT.

.ATLC TROUGH FROM 31N71W TO 22N71W. WITHIN 120 NM OF LINE FROM
31N66W TO 26N67W S WINDS 20 TO 30 KT. SEAS 9 TO 12 FT. ELSEWHERE
FROM 21N TO 31N BETWEEN 64W AND 71W WINDS 20 KT OR LESS. SEAS TO
9 FT PRIMARILY IN SE SWELL. SCATTERED TSTMS WITHIN 90 NM OF LINE
FROM 30N67W TO 22N68W.
.24 HOUR FORECAST TROUGH FROM 31N66W TO 24N74W. WINDS 20 KT OR
LESS. SEAS LESS THAN 8 FT.

.ATLC E OF LINE FROM 27N42W TO 19N35W WINDS 20 KT OR LESS. SEAS
TO 8 FT IN NE SWELL. FROM 12N TO 20N BETWEEN 52W AND 62W WINDS
20 KT OR LESS. SEAS 8 FT IN E SWELL.
.24 HOUR FORECAST WITHIN AREA BOUNDED BY 27N35W TO 15N35W TO
10N58W TO 20N62W TO 27N35W WINDS 20 KT OR LESS. SEAS TO 9 FT
PRIMARILY IN MIXED SWELL.
.48 HOUR FORECAST FROM 12N TO 15N BETWEEN 58W AND 62W E WINDS 20
TO 25 KT. SEAS 9 FT IN E SWELL. ELSEWHERE BOUNDED BY 21N35W TO
16N35W TO 06N54W TO 18N62W TO 21N35W WINDS 20 KT OR LESS.
SEAS TO 8 FT IN MIXED SWELL.

.CARIBBEAN S OF 14N BETWEEN 68W AND 72W E WINDS 20 TO 25 KT.
SEAS TO 8 FT.
.24 HOUR FORECAST S OF 14N BETWEEN 70W AND 73W E WINDS 20 TO 25
KT. SEAS TO 8 FT.  ELSEWHERE FROM 11N TO 16N BETWEEN 72W AND 76W
WINDS 20 KT OR LESS. SEAS TO 8 FT IN E SWELL.
.48 HOUR FORECAST S OF 16N E OF 73W E WINDS 20 TO 25 KT. SEAS TO
9 FT.

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

$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.


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