High Seas Forecast
Issued by NWS

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000
FZNT01 KWBC 261616
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC TUE SEP 26 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 26
24 HOUR FORECAST VALID 1200 UTC SEP 27
48 HOUR FORECAST VALID 1200 UTC SEP 28

.WARNINGS.

.FOR INFORMATION ON HURRICANE LEE SEE MIAMI PART 2 BELOW.

...HURRICANE WARNING...
.HURRICANE MARIA NEAR 33.6N 73.1W 971 MB AT 1500 UTC SEP 26
MOVING N OR 360 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 65 KT GUSTS
80 KT. TROPICAL STORM FORCE WINDS WITHIN 160 NM W
SEMICIRCLE...200 NM NE QUADRANT AND 210 NM SE QUADRANT.  SEAS 12
FT OR GREATER WITHIN 420 NM NE QUADRANT...360 NM SE
QUADRANT...240 NM SW QUADRANT...AND 300 NM NW QUADRANT WITH SEAS
TO 38 FT.
.24 HOUR FORECAST TROPICAL STORM MARIA NEAR 35.1N 73.0W. MAXIMUM
SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS
WITHIN 200 NM E SEMICIRCLE AND 160 NM W SEMICIRCLE. SEAS 12 FT
OR GREATER WITHIN 360 NM NE AND 240 NM NW QUADRANTS...AND 300 NM
S SEMICIRCLE WITH SEAS TO 32 FT.
..48 HOUR FORECAST TROPICAL STORM MARIA NEAR 36.1N 70.9W. MAXIMUM
SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS
WITHIN 180 NM NE QUADRANT...190 NM SE QUADRANT...170 NM SW
QUADRANT...AND 150 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
360 NM NE AND 300 NM SE QUADRANTS...AND 240 NM W SEMICIRCLE WITH
SEAS TO 30 FT.
.72 HOUR FORECAST TROPICAL STORM MARIA NEAR 37.6N 63.6W. MAXIMUM
SUSTAINED WINDS 55 KT GUSTS 65 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM MARIA NEAR 42.5N 49.5W. MAXIMUM
SUSTAINED WINDS 55 KT GUSTS 65 KT.
.120 HOUR FORECAST POST-TROPICAL CYCLONE MARIA NEAR 50.5N 30.0W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT.

...STORM WARNING...
.LOW 61N41W 981 MB MOVING SW 10 KT. OVER FORECAST WATERS N OF
64N BETWEEN 35W AND 40W WINDS 40 TO 55 KT. SEAS 16 TO 26 FT.
ELSEWHERE WITHIN 360 NM S SEMICIRCLE AND 300 NM NE QUADRANT
WINDS 25 TO 40 KT. SEAS 9 TO 18 FT.
.24 HOUR FORECAST LOW 59N47W 993 MB. WITHIN 180 NM N AND
NE...540 NM SW...AND 600 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS
9 TO 18 FT.
.48 HOUR FORECAST LOW 56N38W 1001 MB. WITHIN 360 NM S AND SW
QUADRANTS WINDS 20 TO 30 KT. SEAS 10 TO 15 FT.

...GALE WARNING...
.LOW 63N48W 984 MB MOVING S 15 KT. OVER FORECAST WATERS N OF 54N
W OF 49W WINDS 25 TO 40 KT. SEAS 8 TO 15 FT.
.24 HOUR FORECAST LOW ABSORBED INTO LOW 59N47W WITH CONDITIONS
DESCRIBED ABOVE.

...GALE WARNING...
.LOW 50N57W 1002 MB MOVING E 30 KT. WITHIN 180 NM NE...360 NM
SE...AND 480 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW 48N35W 990 MB. FROM 38N TO 51N BETWEEN 35W
AND 45W WINDS 25 TO 40 KT. SEAS 8 TO 16 FT.
.48 HOUR FORECAST LOW AND CONDITIONS E OF FORECAST AREA.

...GALE WARNING...
.48 HOUR FORECAST NEW LOW 62N39W 999 MB. WITHIN 180 NM N AND 120
NM W SEMICIRCLES WINDS 25 TO 35 KT. SEAS TO 12 FT.

.SYNOPSIS AND FORECAST.

.EXCEPT WHERE NOTED WITH HURRICANE MARIA ABOVE FROM 31N TO 38N
BETWEEN 64W AND 79W WINDS 20 TO 33 KT. SEAS TO 11 FT.
.24 HOUR FORECAST EXCEPT WHERE NOTED WITH TROPICAL STORM MARIA
FROM 31N TO 39N BETWEEN 65W AND 79W WINDS 20 TO 33 KT. SEAS TO
11 FT.
.48 HOUR FORECAST EXCEPT WHERE NOTED WITH TROPICAL STORM MARIA
ABOVE FROM 31N TO 40N BETWEEN 65W AND 77W WINDS 20 TO 33 KT.
SEAS TO 11 FT.

.EXCEPT WHERE NOTED IN MIAMI PART 2 BELOW WITH HURRICANE LEE
FROM 31N TO 33N BETWEEN 50W AND 56W WINDS 20 TO 33 KT. SEAS TO
11 FT.
.24 HOUR FORECAST EXCEPT WHERE NOTED IN PART 2 BELOW WITH
HURRICANE LEE FROM 31N TO 34N BETWEEN 52W AND 59W WINDS 20 TO 33
KT. SEAS TO 11 FT.
.48 HOUR FORECAST EXCEPT WHERE NOTED IN PART 2 BELOW WITH
HURRICANE LEE FROM 31N TO 36N BETWEEN 52W AND 59W WINDS 20 TO 33
KT. SEAS TO 11 FT.

.OVER FORECAST WATERS FROM 44N TO 52N BETWEEN 35W AND 38W WINDS
TO 25 KT. SEAS TO 11 FT.
.24 HOUR FORECAST CONDITIONS E OF FORECAST AREA.

.48 HOUR FORECAST LOW 50N56W 1001 MB. WITHIN 180 NM NE...300 NM
SE...AND 480 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 11 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 120 NM OF
41N69W.
.24 HOUR FORECAST DENSE FOG WITHIN 120 NM OF 40N70W.
.48 HOUR FORECAST DENSE FOG WITHIN 120 NM OF 41N69W...AND FROM
43N TO 47N BETWEEN 53W AND 62W.

.HIGH 37N59W 1022 MB NEARLY STATIONARY.
.24 HOUR FORECAST HIGH 37N58W 1019 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.HIGH 37N46W 1021 MB DRIFTING SE.
.24 HOUR FORECAST HIGH DISSIPATED.

.HIGH 33N42W 1021 MB NEARLY STATIONARY.
.24 HOUR FORECAST HIGH 33N41W 1022 MB.
.48 HOUR FORECAST HIGH 32N42W 1025 MB.

.48 HOUR FORECAST HIGH 43N41W 1023 MB.

.FORECASTER COLLINS. 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 TUE SEP 26.
24 HOUR FORECAST VALID 1200 UTC WED SEP 27.
48 HOUR FORECAST VALID 1200 UTC THU SEP 28.

.WARNINGS.

...ATLC HURRICANE WARNING...
.HURRICANE LEE NEAR 29.9N 53.7W 975 MB AT 1500 UTC SEP 26 MOVING
W OR 265 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 90 KT GUSTS 110
KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM OF CENTER. OVER
FORECAST WATERS WINDS 20 TO 33 KT AND SEAS 12 FT OR GREATER
WITHIN 120 NM OF CENTER N SEMICIRCLE AND WITHIN 90 NM OF CENTER
S SEMICIRCLE. ELSEWHERE N OF 26N BETWEEN 48W AND 56W WINDS 20 KT
OR LESS. SEAS 8 TO 12 FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE LEE NEAR 30.6N 56.2W. MAXIMUM
SUSTAINED WINDS 95 KT GUSTS 115 KT. TROPICAL STORM FORCE WINDS
WITHIN 60 NM E SEMICIRCLE AND 50 NM W SEMICIRCLE. OVER FORECAST
WATERS WITHIN 120 NM E AND 90 NM W SEMICIRCLES WINDS 20 TO 33 KT
AND SEAS 12 FT OR GREATER WITH SEAS TO 32 FT. ELSEWHERE OVER
FORECAST WATERS N OF 24N BETWEEN 50W AND 63W WINDS 20 KT OR
LESS. SEAS 8 TO 12 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE LEE NEAR 33.3N 56.7W. MAXIMUM
SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS
WITHIN 70 NM E SEMICIRCLE...60 NM SW QUADRANT AND 50 NM NW
QUADRANT. OVER FORECAST WATERS N OF 29N BETWEEN 50W AND 61W
WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED SWELL.
.72 HOUR FORECAST HURRICANE LEE NEAR 39.0N 51.5W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL EXTRATROPICAL LEE NEAR 46.0N
35.0W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT.
.120 HOUR FORECAST...DISSIPATED.

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 FORECAST N OF 27N BETWEEN 67W AND 79W WINDS 20 TO 33 KT.
SEAS 12 TO 18 FT. ELSEWHERE N OF 25N BETWEEN 63W AND 81W WINDS
20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED SWELL.
.24 HOUR FORECAST N OF 29N BETWEEN 66W AND 79W WINDS 20 KT OR
LESS. SEAS 8 TO 11 FT IN MIXED NW AND N SWELL.
.48 HOUR FORECAST N OF 28N BETWEEN 63W AND 77W WINDS 20 KT OR
LESS. SEAS 8 TO 11 FT IN MIXED NW AND N SWELL.

.CARIBBEAN FROM 12N TO 15N BETWEEN 70W AND 73W WINDS 20 KT OR
LESS. SEAS 8 FT IN NE SWELL.
.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 MT. NATIONAL HURRICANE CENTER.



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