High Seas Forecast
Issued by NWS

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000
FZNT01 KWBC 210959
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC THU SEP 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SEP 21
24 HOUR FORECAST VALID 0600 UTC SEP 22
48 HOUR FORECAST VALID 0600 UTC SEP 23

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM JOSE NEAR 39.8N 67.8W 982 MB AT 0900 UTC SEP 21
MOVING E OR 090 DEG AT 2 KT. MAXIMUM SUSTAINED WINDS 50 KT GUSTS
60 KT. TROPICAL STORM FORCE WINDS WITHIN 200 NM S
SEMICIRCLE...170 NM NE QUADRANT AND 160 NM NW QUADRANT.  SEAS 12
FT OR GREATER WITHIN 300 NM E SEMICIRCLE...240 NM SW QUADRANT
AND 180 NM NW QUADRANT WITH SEAS TO 24 FT.
.24 HOUR FORECAST TROPICAL STORM JOSE NEAR 39.8N 68.3W. MAXIMUM
SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS
WITHIN 140 NM OF CENTER EXCEPT 170 NM NW QUADRANT. SEAS 12 FT OR
GREATER WITHIN 240 NM W SEMICIRCLE AND 240 NM SE AND 300 NM NE
QUADRANTS WITH SEAS TO 22 FT.
.48 HOUR FORECAST POST-TROPICAL CYCLONE JOSE NEAR 39.6N 69.2W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE
WINDS WITHIN 100 NM S SEMICIRCLE...80 NM NE QUADRANT AND 110 NM
NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM OF CENTER
WITH SEAS TO 15 FT.
.72 HOUR FORECAST POST-TROPICAL CYCLONE JOSE NEAR 39.4N 69.0W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL CYCLONE JOSE NEAR 39.5N 68.5W.
MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
.120 HOUR FORECAST...DISSIPATED. .

...STORM WARNING...
.LOW 52N45W 1004 MB MOVING E 15 KT AND RAPIDLY INTENSIFYING.
WITHIN 360 NM S QUADRANT WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW E OF AREA 52N33W 972 MB. FROM 45N TO 54N
BETWEEN 37W AND 44W WINDS 40 TO 55 KT. SEAS 17 TO 32 FT.
ELSEWHERE FROM 41N TO 55N E OF 47W WINDS 25 TO 40 KT. SEAS 10 TO
25 FT.
.48 HOUR FORECAST LOW E OF AREA. FROM 52N TO 58N E OF 39W AND
FROM 45N TO 52N E OF 47W WINDS 20 TO 30 KT. SEAS 8 TO 17 FT.

...GALE WARNING...
.LOW 52N35W 1004 MB MOVING E 40 KT. WITHIN 300 NM SW QUADRANT
WINDS 25 TO 35 KT. SEAS 8 TO 16 FT.
.12 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS E OF AREA.

...GALE WARNING...
.LOW E OF AREA 63N27W 985 MB DRIFTING S. N OF 61N E OF 36W WINDS
25 TO 40 KT. SEAS 10 TO 17 FT.
.24 HOUR FORECAST LOW E OF AREA 62N28W 988 MB. N OF 58N E OF 42W
WINDS 20 TO 30 KT. SEAS 10 TO 13 FT.
.48 HOUR FORECAST LOW DISSIPATED E OF AREA WITH CONDITIONS
DIMINISHED.

.SYNOPSIS AND FORECAST.

.LOW 57N53W 1005 MB MOVING SE 20 KT. WITHIN 300 NM W AND NW
QUADRANTS WINDS 20 TO 30 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS ABSORBED BY LOW
52N33W.

.FROM 64N TO 67N BETWEEN 54W AND 60W WINDS TO 25 KT. SEAS LESS
THAN 8 FT.
.24 HOUR FORECAST FROM 62N TO 67N BETWEEN 51W AND 55W WINDS TO
25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW 65N54W 1006 MB. WITHIN 180 NM SW QUADRANT
WINDS TO 25 KT. SEAS TO 8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 50N
BETWEEN 47W AND 59W.
.24 HOUR FORECAST CONDITIONS IMPROVED.

.24 HOUR FORECAST NEW HIGH 35N51W 1019 MB.
.48 HOUR FORECAST HIGH 34N50W 1020 MB.

.48 HOUR FORECAST HIGH 43N49W 1023 MB.

.FORECASTER ROWLAND. 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 THU SEP 21.
24 HOUR FORECAST VALID 0600 UTC FRI SEP 22.
48 HOUR FORECAST VALID 0600 UTC SAT SEP 23.

.WARNINGS.

...ATLC AND CARIBBEAN HURRICANE WARNING...
.HURRICANE MARIA NEAR 19.6N 68.4W 959 MB AT 0900 UTC SEP 21
MOVING NW OR 315 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 100 KT
GUSTS 120 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM OF CENTER
EXCEPT 130 NM NE QUADRANT.  SEAS 12 FT OR GREATER WITHIN 240 NM
N SEMICIRCLE...180 NM SE QUADRANT AND 45 NM SW QUADRANT WITH
SEAS TO 46 FT. ELSEWHERE WITHIN 300 NM N AND 270 NM S
SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF
ATLC AREA N OF 26N BETWEEN 62W AND 72W WINDS 20 KT OR LESS. SEAS
TO 9 FT IN MIXED NW AND SE SWELL.
.24 HOUR FORECAST HURRICANE MARIA NEAR 21.6N 70.4W. MAXIMUM
SUSTAINED WINDS 110 KT GUSTS 135 KT. TROPICAL STORM FORCE WINDS
WITHIN 120 NM NW AND SE QUADRANTS...130 NM NE QUADRANT AND 100
NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 330 NM N AND 120 NM
S SEMICIRCLES WITH SEAS TO 53 FT. ELSEWHERE OVER FOERCAST WATERS
WITHIN 150 NM NW AND 210 NM SE SEMICIRCLES WINDS 20 TO 33 KT.
REMAINDER OF ATLC OPEN WATERS N OF 19N BETWEEN 61W AND 78W WINDS
20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE MARIA NEAR 24.3N 71.7W. MAXIMUM
SUSTAINED WINDS 100 KT GUSTS 120 KT. TROPICAL STORM FORCE WINDS
WITHIN 140 NM E SEMICIRCLE...110 NM SW QUADRANT AND 120 NM NW
QUADRANT. SEAS 12 FT OR GREATER FORECAST OPEN WATERS WITHIN 510
NM NW AND 240 NM SE SEMICIRCLE WITH SEAS TO 54 FT. ELSEWHERE
WITHIN 210 NM NE AND 180 NM SW SEMICIRCLES WINDS 20 TO 33 KT.
REMAINDER OF OPEN WATERS N OF 19N W OF 62W WINDS 20 KT OR LESS.
SEAS 8 TO 12 FT IN MIXED SWELL.
.72 HOUR FORECAST HURRICANE MARIA NEAR 27.4N 72.3W. MAXIMUM
SUSTAINED WINDS 100 KT GUSTS 120 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE MARIA NEAR 30.0N 72.0W. MAXIMUM
SUSTAINED WINDS 90 KT GUSTS 110 KT.
.120 HOUR FORECAST HURRICANE MARIA NEAR 32.5N 70.5W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 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 LOW PRES...REMNANT OF LEE...NEAR 19N48W 1011 MB. WITHIN
150 NM NE QUADRANT SE WINDS 20 TO 25 KT. SEAS 8 TO 11 FT.
ELSEWHERE WITHIN 270 NM NE QUADRANT WINDS 20 KT OR LESS. SEAS 8
FT IN SE SWELL.
.24 HOUR FORECAST LOW PRES DISSIPATED. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

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

CONVECTION VALID AT 0915 UTC THU SEP 21...

.HURRICANE MARIA...NUMEROUS MODERATE SCATTERED STRONG WITHIN 90
NM OF CENTER.

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.



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