High Seas Forecast
Issued by NWS

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000
FZNT01 KWBC 211534
HSFAT1

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

.WARNINGS.

...STORM WARNING...
.COMPLEX LOW WITH MAIN CENTER 59N57W 993 MB MOVING NE 15 KT WILL
TURN SE AFTER 12 HOURS. WITHIN 300 NM NE QUADRANT WINDS 25 TO 35
KT. SEAS 8 TO 14 FT. ELSEWHERE WITHIN 300 NM W AND NW QUADRANTS
AND WITHIN 240 NM E OF A LINE FROM 59N53W TO 49N51W WINDS 20 TO
30 KT. SEAS TO 8 TO 12 FT.
.12 HOUR FORECAST LOW 60N52W 990 MB. BETWEEN 60 NM AND 240 NM NE
QUADRANT WINDS 35 TO 50 KT. SEAS 12 TO 20 FT. ELSEHWERE WITHIN
300 NM NW...420 NM SW AND 720 NM SE QUADRANTS WINDS 25 TO 35 KT.
SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW 59N49W 994 MB. WITHIN 180 NM NE SEMICIRCLE
WINDS 30 TO 45 KT. SEAS 11 TO 18 FT. ALSO WITHIN 180 NM OF LOW
CENTER...EXCEPT SE QUADRANT...WINDS 25 TO 40 KT. SEAS 9 TO 16
FT. ELSEWHERE WITHIN 300 NM E AND NE...720 NM S AND SE...360 NM
SW...AND 420 NM N AND NW QUADRANTS WINDS TO 25 KT. SEAS 8 TO 11
FT.
.48 HOUR FORECAST LOW 57N45W 1006 MB. OVER FORECAST WATERS
WITHIN 360 NM N AND 300 NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS
9 TO 15 FT.

.SYNOPSIS AND FORECAST.

.LOW 42N52W 1014 MB MOVING NE 10 KT. WITHIN 360 NM E QUADRANT
WINDS TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW 44N44W 1012 MB. WITHIN 300 NM SE AND 240
NM NE QUADRANTS WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW 46N39W 1012 MB. WITHIN 300 NM E SEMCIRICLE
WINDS TO 25 KT. SEAS TO 8 FT.

.48 HOUR FORECAST OVER ICE FREE FORECAST WATERS N OF 65N W OF
GREENLAND S WINDS 20 TO 30 KT. SEAS TO 9 FT IN ICE FREE WATERS.

.48 HOUR FORECAST INLAND LOW 51N70W 990 MB. OVER FORECAST WATERS
W OF A LINE FROM 37N69W TO 47N58W TO 50N58W S TO SW WINDS 20 TO
30 KT. SEAS 8 TO 10 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM OVER FORECAST
WATERS FROM 43N TO 59N BETWEEN 48W AND 60W.
.24 HOUR FORECAST DENSE FOG FROM 43N TO 59N BETWEEN 38W AND 45W.
.48 HOUR FORECAST DENSE FOG W OF OF ALINE FROM 48N59W TO 40N68W.


.HIGH 57N38W 1021 MB MOVING NE 10 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.HIGH 43N40W 1024 MB MOVING E 15 KT.
.24 HOUR FORECAST HIGH 43N31W 1022 MB.
.48 HOUR FORECAST HIGH E OF AREA.

.HIGH 31N49W 1024 MB NEARLY STATIONARY THROUGH 48 HOURS.

.HIGH 32N71W 1024 MB NEARLY STATIONARY AFTER 24 HOURS.
.24 HOUR FORECAST HIGH 32N72W 1021 MB.
.48 HOUR FORECAST LITTLE CHANGE.

.HIGH 37N72W 1024 MB MOVING E 10 KT WILL ACCELERATE AFTER 24
HOURS.
.24 HOUR FORECAST HIGH 37N67W 1023 MB.
.48 HOUR FORECAST HIGH 41N50W 1021 MB.

.48 HOUR FORECAST NEW HIGH 53N53W 1016 MB.

.FORECASTER SIENKIEWICZ. 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 MON AUG 21.
24 HOUR FORECAST VALID 1200 UTC TUE AUG 22.
48 HOUR FORECAST VALID 1200 UTC WED AUG 23.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN AREA BOUNDED BY 24N68W TO 24N70W TO 26N72W TO
27N72W TO 27N70W TO 26N68W TO 24N68W WINDS 20 KT OR LESS. SEAS
TO 8 FT IN SE SWELL.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.ATLC WITHIN AREA BOUNDED BY 21N48W TO 20N49W TO 20N57W TO
23N56W TO 26N52W TO 25N49W TO 21N48W E TO SE WINDS 20 TO 25 KT.
SEAS 8 TO 11 FT.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.CARIBBEAN LOW PRES...REMNANTS OF HARVEY...NEAR 16N83W 1008 MB.
WITHIN AREA BOUNDED BY 16N80W TO 17N82W TO 18N83W TO 20N83W TO
20N82W TO 18N78W TO 16N80W E TO SE WINDS 20 TO 30 KT. SEAS TO 8
FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...INLAND
NEAR 18N88W 1008 MB. OVER FORECAST WATERS WINDS 20 KT OR LESS.
SEAS LESS THAN 8 FT.

.CARIBBEAN 15 HOUR FORECAST WITHIN AREA BOUNDED BY 11N74W TO
11N75W TO 12N76W TO 12N75W TO 12N74W TO 11N74W...INCLUDING WITHIN
90 NM OF COAST OF COLOMBIA...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.

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

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.



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