High Seas Forecast
Issued by NWS

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000
FZNT01 KWBC 221609
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC FRI SEP 22 2017

CCODE/2:31:04:11:00/AOW+AOE/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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

PAN PAN

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

SYNOPSIS VALID 1200 UTC SEP 22
24 HOUR FORECAST VALID 1200 UTC SEP 23
48 HOUR FORECAST VALID 1200 UTC SEP 24

.WARNINGS.

...TROPICAL STORM WARNING...
.POST-TROPICAL CYCLONE JOSE NEAR 39.5N 69.4W 930 MB AT 1500 UTC
SEP 22 MOVING SW OR 235 DEG AT 2 KT. MAXIMUM SUSTAINED WINDS 40
KT GUSTS 50 KT. WITHIN 120 NM E SEMICIRCLE...120 NM SW AND 140
NM NW QUADRANTS WINDS 30 TO 40 KT. SEAS 12 FT OR GREATER WITHIN
210 NM E SEMICIRCLE...240 NM SW AND 210 NM NW QUADRANTS WITH
SEAS TO 21 FT.
.24 HOUR FORECAST POST-TROPICAL CYCLONE JOSE NEAR 39.3N 69.1W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS 12 FT OR GREATER
WITHIN 180 NM S SEMICIRCLE AND 120 NM NW QUADRANT WITH SEAS TO
15 FT.
.48 HOUR FORECAST POST-TROPICAL CYCLONE JOSE NEAR 38.8N 68.1W.
MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. SEAS 12 FT OR GREATER
180 NM SE QUADRANT WITH SEAS TO 12 FT.
.72 HOUR FORECAST POST-TROPICAL CYCLONE JOSE NEAR 38.5N 69.0W.
MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. EXTENDED
OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST...DISSIPATED.

...STORM WARNING...
.LOW E OF AREA 50N34W 974 MB MOVING NE 20 KT. WITHIN 240 NM NW
AND 360 NM SW QUADRANTS WINDS 40 TO 55 KT. SEAS 16 TO 30 FT.
ELSEWHERE OVER FORECAST WATERS E OF A LINE FROM 37N37W TO 44N46W
TO 55N43W WINDS 25 TO 40 KT. SEAS 9 TO 19 FT.
.24 HOUR FORECAST LOW E OF AREA. E OF A LINE FROM 38N41W TO
49N43W TO 61N36W AREA OF NW WINDS TO 30 KT. SEAS 8 TO 16 FT.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS WELL E OF AREA.

...GALE WARNING...
.LOW E OF AREA 62N26W 992 MB NEARLY STATIONARY. N OF 60N E OF
42W WINDS TO 25 KT. SEAS TO 12 FT.
.24 HOUR FORECAST DISSIPATED. OVER FORECAST WATERS N OF 64N E OF
38W WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST NEW LOW E OF AREA 65N31W 977 MB. N OF 62N
BETWEEN 35W AND 39W WINDS 30 TO 45 KT. SEAS 11 TO 23 FT.

...GALE WARNING...
.24 HOUR FORECAST FROM 59N TO 66N BETWEEN 54W AND 61W AREA OF N
TO NW WINDS 20 TO 30 KT. SEAS TO 8 FT.
.48 HOUR FORECAST WITHIN 240 NM E OF A LINE FROM 7N62W TO 61N57W
AREA OF N TO NW WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.

...GALE WARNING...
.30 HOUR FORECAST LOW 53N54W 991 MB. WITHIN 120 NM W AND 300 NM
S QUADRANTS WINDS 25 TO 35 KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW 54N38W 981 MB. WITHIN 480 NM W...600 NM NW
AND 660 NM S QUADRANTS WINDS 25 TO 40 KT. SEAS 9 TO 18
FT...HIGHEST S QUADRANT.

.SYNOPSIS AND FORECAST.

.DENSE FOG. 36 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM
FROM 41N TO 46N BETWEEN 51W AND 60W.
.48 HOUR FORECAST CONDITIONS IMPROVED.

.HIGH 35N51W 1021 MB MOVING SW 10 KT.
.24 HOUR FORECAST HIGH 34N55W 1021 MB.
.48 HOUR FORECAST LITTLE CHANGE.

.HIGH 44N52W 1024 MB MOVING SE 10 KT.
.24 HOUR FORECAST HIGH 42N48W 1022 MB.
.48 HOUR FORECAST HIGH E OF AREA.

.FORECASTER KOSIER. 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 SEP 22.
24 HOUR FORECAST VALID 1200 UTC SAT SEP 23.
48 HOUR FORECAST VALID 1200 UTC SUN SEP 24.

.WARNINGS.

...ATLC HURRICANE WARNING...

.HURRICANE MARIA NEAR 22.3N 71.0W 958 MB AT 1500 UTC SEP 22
MOVING NW OR 325 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 110 KT
GUSTS 135 KT. TROPICAL STORM FORCE WINDS WITHIN 140 NM NE...
120 NM SE...100 NM SW AND 130 NM NW QUADRANTS. SEAS 12 FT OR
GREATER WITHIN 360 NM N SEMICIRCLE...210 NM SE AND 120 NM SW
QUADRANTS WITH SEAS TO 54 FT. ELSEWHERE WITHIN 330 NM NE AND 150
NM SW SEMICIRCLES OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 11 FT.
REMAINDER ATLC WATERS FROM 19N TO 31N BETWEEN 61W AND 80W WINDS
20 KT OR LESS. SEAS TO 11 FT PRIMARILY IN MIXED SWELL. NUMEROUS
STRONG TSTMS WITHIN 90 NM OF CENTER. SCATTERED STRONG TSTMS IN
BANDS ELSEWHERE WITHIN 330 NM N AND 180 NM S SEMICIRCLES OF
CENTER.
.24 HOUR FORECAST HURRICANE MARIA NEAR 25.0N 72.0W. MAXIMUM
SUSTAINED WINDS 100 KT GUSTS 120 KT. TROPICAL STORM FORCE WINDS
WITHIN 160 NM NE...150 NM SE...120 NM SW AND 140 NM NW
QUADRANTS. SEAS 12 FT OR GREATER N OF 23N W OF 67W AND NE OF
BAHAMAS WITH SEAS TO 53 FT. ELSEWHERE OVER FORECAST WATERS
WITHIN 240 NM OF CENTER WINDS 20 TO 33 KT. SEAS TO 11 FT.
REMAINDER WATERS N OF 19N W OF 62W INCLUDING BAHAMAS PASSAGES
WINDS 20 KT OR LESS. SEAS TO 11 FT PRIMARILY IN MIXED SWELL.
NUMEROUS STRONG TSTMS WITHIN 90 NM OF CENTER. SCATTERED STRONG
TSTMS IN BANDS ELSEWHERE WITHIN 240 NM SE AND 150 NM NW
SEMICIRCLES OF CENTER.
.48 HOUR FORECAST HURRICANE MARIA NEAR 27.9N 72.3W. MAXIMUM
SUSTAINED WINDS 95 KT GUSTS 115 KT. TROPICAL STORM FORCE WINDS
WITHIN 170 NM E SEMICIRCLE...140 NM SW AND 150 NM NW QUADRANTS.
SEAS 12 FT OR GREATER N OF LINE FROM 31N65W TO 22N73W TO 31N81W
WITH SEAS TO 51 FT. ELSEWHERE WITHIN 270 NM OF CENTER WINDS 20
TO 33 KT. SEAS 10 TO 20 FT IN OPEN WATERS. REMAINDER OF WATERS N
OF 19N W OF 62W WINDS 20 KT OR LESS. SEAS TO 11 FT PRIMARILY IN
MIXED SWELL. NUMEROUS STRONG TSTMS WITHIN 90 NM OF CENTER.
SCATTERED STRONG TSTMS IN BANDS ELSEWHERE WITHIN 210 NM SE AND
150 NM NW SEMICIRCLES OF CENTER.
.72 HOUR FORECAST HURRICANE MARIA NEAR 30.0N 71.6W. MAXIMUM
SUSTAINED WINDS 85 KT GUSTS 105 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE MARIA NEAR 32.0N 71.0W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT.
.120 HOUR FORECAST HURRICANE MARIA NEAR 34.0N 71.0W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

.SYNOPSIS AND FORECAST.

.ATLC 42 HOUR FORECAST WITHIN 180 NM OF 13N46W WINDS 20 KT OR
LESS. SEAS TO 8 FT IN MIXED SE AND NW SWELL.
.48 HOUR FORECAST LITTLE CHANGE.

.ATLC 48 HOUR FORECAST N OF 30N E OF 40W WINDS 20 KT OR LESS.
SEAS TO 8 FT IN N SWELL.

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

$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.



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