High Seas Forecast
Issued by NWS

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000
FZNT01 KWBC 210344
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC AUG 21
24 HOUR FORECAST VALID 0000 UTC AUG 22
48 HOUR FORECAST VALID 0000 UTC AUG 23

.WARNINGS.

...STORM WARNING...
.COMPLEX LOW WITH MEAN CENTER 58N62W 995 MB MOVING NE 15 KT WILL
TURN SE AFTER 24 HOURS. OVER FORECAST WATERS FROM 43N TO 63N
BETWEEN 47W AND 62W...AND WITHIN 240 NM NW QUADRANT WINDS 20 TO
30 KT. SEAS TO 12 FT.
.06 HOUR FORECAST LOW 58N58W 994 MB. BETWEEN 120 NM AND 360 NM N
AND NE QUADRANTS...AND BETWEEN 120 NM AND 600 NM S AND SE
QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.18 HOUR FORECAST LOW 58N54W 989 MB. BETWEEN 120 NM AND 240 NM NE
QUADRANT WINDS 35 TO 50 KT. SEAS 10 TO 18 FT.
.24 HOUR FORECAST LOW 60N53W 990 MB. BETWEEN 60 NM AND 180 NM NE
QUADRANT WINDS 40 TO 55 KT. SEAS 12 TO 22 FT. ELSEWHERE WITHIN
240 NM N SEMICIRCLE...AND 720 NM S AND SE...AND 360 NM SW
QUADRANTS WINDS 25 TO 40 KT. SEAS 9 TO 16 FT.
.48 HOUR FORECAST LOW 57N46W 1003 MB. BETWEEN 60 NM AND 240 NM N
AND NE QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 16 FT. ELSEWHERE
WITHIN 300 NM N AND NE SEMICIRCLES...AND 240 NM SW QUADRANT WINDS
TO 25 KT. SEAS 8 TO 13 FT.

.SYNOPSIS AND FORECAST.

.LOW E OF AREA 53N27W 1005 MB MOVING E 10 KT. FROM 40N TO 56N
BETWEEN 35W AND 43W WINDS TO 25 KT. SEAS TO 11 FT.
.12 HOUR FORECAST CONDITIONS E OF AREA.

.LOW 39N55W 1016 MB MOVING NE 10 KT. WITHIN 300 NM NE QUADRANT
WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW 43N49W 1012 MB. WITHIN 240 NM E AND NE...
AND 300 NM SE QUADRANTS WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW 45N42W 1012 MB. WITHIN 180 NM NE AND 300 NM
SE QUADRANTS WINDS TO 25 KT. SEAS TO 8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM OVER FORECAST WATERS
FROM 43N TO 60N BETWEEN 51W AND 62W.
.24 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO
51N BETWEEN 44W AND 50W.
.48 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 120 NM
OF 45N42W.

.HIGH 56N41W 1022 MB MOVING E 10 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.HIGH 44N46W 1027 MB MOVING SE 15 KT.
.24 HOUR FORECAST HIGH 41N37W 1024 MB.
.48 HOUR FORECAST HIGH MOVED E OF AREA.

.HIGH 31N46W 1026 MB NEARLY STATIONARY THROUGH 48 HOURS.

.HIGH 66N55W 1016 MB MOVING NE 10 KT.
.24 HOUR FORECAST HIGH DISSIPATED OVER GREENLAND.

.HIGH 32N68W 1023 MB STATIONARY WILL DRIFT W AFTER 24 HOURS.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST HIGH 32N71W 1020 MB.

.HIGH 37N75W 1021 MB MOVING E 10 KT WILL ACCELERATE NE AFTER 24
HOURS.
.24 HOUR FORECAST HIGH 37N70W 1022 MB.
.48 HOUR FORECAST HIGH 39N57W 1021 MB.

.48 HOUR FORECAST NEW HIGH 58N60W 1016 MB.

.FORECASTER MILLS. 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 MON AUG 21.
24 HOUR FORECAST VALID 0000 UTC TUE AUG 22.
48 HOUR FORECAST VALID 0000 UTC WED AUG 23.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC S OF 26N TO LINE FROM 24N72W TO 21N67W E TO SE WINDS 20 TO
25 KT. SEAS 8 TO 11 FT IN MIXED SWELL. ELSEWHERE FROM 20N TO 27N
BETWEEN 63W AND 71W WINDS 20 KT OR LESS. SEAS TO 9 FT IN SE
SWELL.
.24 HOUR FORECAST FROM 24.5N TO 28N BETWEEN 74W AND 79W WINDS 20
KT OR LESS. SEAS TO 8 FT IN E TO SE SWELL EXCEPT LESS THAN 8
FT IN LEE OF BAHAMAS.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.ATLC FROM 20N TO 24N BETWEEN 49W AND 54W NE TO E WINDS 20 TO 30
KT. SEAS 8 TO 12 FT. FROM 19N TO 24N BETWEEN 46W AND 49W E TO SE
WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. ELSEWHERE FROM 19N TO 24N
BETWEEN 47W AND 54W WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED
SWELL. SCATTERED TSTMS FROM 20N TO 24N BETWEEN 47W AND 51.5W.
.24 HOUR FORECAST LOW PRES NEAR 20.5N56W 1013 MB. WITHIN 270 NM
N SEMICIRCLE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST LOW PRES NEAR 23N57.5W 1014 MB. WINDS 20 KT OR
LESS. SEAS LESS THAN 8 FT.

.CARIBBEAN LOW PRES...REMNANTS OF HARVEY...NEAR 15N78.6W 1007
MB. FROM 15 TO 19.5N BETWEEN 74.5W AND 79W E TO SE WINDS 20 TO
25 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
16.5N83.5W 1007 MB. FROM 16.5N TO 19N BETWEEN 79W AND 84W E TO
SE WINDS 20 TO 25 KT. SEAS TO 9 FT.
.42 HOUR FORECAST LOW PRES INLAND NEAR 18.5N89W 1010 MB. 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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