High Seas Forecast
Issued by NWS

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000
FZNT01 KWBC 211606
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC FRI JUL 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC JUL 21
24 HOUR FORECAST VALID 1200 UTC JUL 22
48 HOUR FORECAST VALID 1200 UTC JUL 23

.WARNINGS.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 51N43W 1004 MB. OVER FORECAST WATERS
WITHIN 420 NM SE OF A LINE FROM 48N40W TO 35N51W WINDS 25 TO 40
KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST LOW 55N36W 1000 MB. WITHIN 300 NM NE
SEMICIRCLE AND WITHIN 300 NM S AND SE OF A FRONT TO EXTEND FROM
45N35W TO 35N47W WINDS 20 TO 30 KT. SEAS TO 9 FT.

...GALE WARNING...
.24 HOUR FORECAST LOW 51N55W 998 MB. OVER FORECAST WATERS WITHIN
360 NM NE QUADRANT WINDS TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST LOW 56N52W 991 MB. WITHIN 420 NM NE QUADRANT
WINDS 25 TO 40 KT. SEAS 8 TO 13 FT. ELSEWHERE WITHIN 360 NM W
SEMICIRCLE AND WITHIN 660 NM SE QUADRANTS WINDS 20 TO 30 KT.
SEAS TO 8 FT.

.SYNOPSIS AND FORECAST.

.LOW 58N38W 997 MB MOVING NE 15 KT. OVER FORECAST WATERS WITHIN
240 NM N AND 300 NM S SEMICIRCLES WINDS TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW E OF AREA. N OF 60N E OF 38W WINDS 20 TO
30 KT. SEAS LESS THAN 8 FT.

.LOW 52N37W 1007 MB MOVING NE 20 KT. OVER FORECAST WATERS WITHIN
300 NM SW QUADRANT AND WITHIN 300 NM SE AND E OF A FRONT FROM
54N35W TO LOW CENTER TO 47N39W TO 37N57W WINDS 20 TO 30 KT. SEAS
TO 10 FT.
.24 HOUR FORECAST LOW AND CONDITIONS E OF AREA.

.LOW INLAND NEAR 56N62W 997 MB MOVING N 10 KT. OVER FORECAST
WATERS W OF A LINE FROM 62N63W TO 54N55W WINDS TO 25 KT. SEAS
LESS THAN 8 FT.
.24 HOUR FORECAST LOW 59N62W 997 MB. WITHIN 240 NM N QUADRANT
AND WITHIN 240 NM NE OF A LINE FROM 59N59W TO 52N51W WINDS 20 TO
30 KT. SEAS TO 9 FT.
.48 HOUR FORECAST LOW ABSORBED AND CONDITIONS DESCRIBED ABOVE
WITH LOW 56N52W.

.48 HOUR FORECAST NEW LOW 40N69W 1007 MB. OVER FORECAST WATERS
WITHIN 480 NM S QUADRANT WINDS 20 TO 30 KT. SEAS TO 8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 50N
BETWEEN 57W AND 44W...AND FROM 44N TO 60N E OF 42W.
.24 HOUR FORECAST DENSE FOG FROM 42N TO 56N E OF 55W.
.48 HOUR FORECAST DENSE FOG FROM 42N TO 57N E OF 56W...AND
WITHIN 90 NM OF 61N62W.

.HIGH 34N39W 1026 MB NEARLY STATIONARY.
.24 HOUR FORECAST HIGH DISSIPATED.

.HIGH 55N52W 1010 MB MOVING NE 15 KT.
.24 HOUR FORECAST HIGH 58N40W 1012 MB.
.48 HOUR FORECAST HIGH MOVED E OF AREA.

.FORECASTER SOMMERVILLE. 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 1200 UTC FRI JUL 21.
24 HOUR FORECAST VALID 1200 UTC SAT JUL 22.
48 HOUR FORECAST VALID 1200 UTC SUN JUL 23.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC AND CARIBBEAN FROM 18.5N TO 21N BETWEEN 63W AND 67W WINDS
20 KT OR LESS. SEAS TO 8 FT IN E SWELL.
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST 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.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.CARIBBEAN FROM 11N TO 14N BETWEEN 74W AND 80W E WINDS 20 KT 25
KT. SEAS TO 9 FT. ELSEWHERE FROM 11.5N TO 15.5N BETWEEN 74W AND
82W WINDS 20 KT OR LESS. SEAS TO 10 FT IN E SWELL. FROM 16N TO
18.5N BETWEEN 66.5W AND 73.5W...INCLUDING S MONA PASSAGE...NE TO
E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST FROM 10.5N TO 15N BETWEEN 69W AND 77W E WINDS
20 TO 25 KT. SEAS TO 8 FT. FROM 16N TO 18N BETWEEN 70.5W AND 75W
E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST FROM 11N TO 15.5N BETWEEN 70W AND 77W E WINDS
20 TO 25 KT. SEAS TO 9 FT.

.CARIBBEAN 12 HOUR FORECAST WITHIN AREA BOUNDED BY 16N86W TO
16N87W TO 16N88W TO 17N88W TO 17N86W TO 16N86W...INCLUDING GULF
OF HONDURAS...E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

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

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.



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