AUS-CITY
Posted By: Webmaster OPC N Atlantic High Seas Forecast (corrected) - Mon 24 Sep 2018 05:53:PM
FZNT01 KWBC 241749 CCA

HSFAT1



HIGH SEAS FORECAST FOR METAREA IV...CORRECTED STORM WARNING

NWS OCEAN PREDICTION CENTER WASHINGTON DC

1630 UTC MON SEP 24 2018



CCODE/1:31:04:01:00/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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.



SEE ANNOUNCEMENT OF PLANNED INMARSAT I-3 TO I-4 MIGRATION

IN 2018 AT OCEAN.WEATHER.GOV/GMDSS_NOTICE.PHP (LOWERCASE).



ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE

NATIONAL WEATHER SERVICE. EMAIL US AT

VOSOPS@NOAA.GOV(LOWERCASE).



FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH

AMERICAN ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.SHTML



SECURITE



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



SYNOPSIS VALID 1200 UTC SEP 24.

24 HOUR FORECAST VALID 1200 UTC SEP 25.

48 HOUR FORECAST VALID 1200 UTC SEP 26.



.WARNINGS.



...TROPICAL STORM WARNING...

.SUBTROPICAL STORM LESLIE NEAR 32.5N 48.0W 1004 MB AT 1500 UTC

SEP 24 MOVING E OR 090 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 35

KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 180 NM NW

QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM NE QUADRANT...240

NM SW QUADRANT...AND 300 NM NW QUADRANT WITH SEAS TO 15 FT.

.24 HOUR FORECAST TROPICAL STORM LESLIE NEAR 32.4N 45.5W.

MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE

WINDS WITHIN 20 NM SW QUADRANT AND 190 NM NW QUADRANT. SEAS 12

FT OR GREATER WITHIN 180 NM NE QUADRANT...240 NM SW

QUADRANT...AND 300 NM NW QUADRANT WITH SEAS TO 14 FT.

.48 HOUR FORECAST POST-TROPICAL CYCLONE LESLIE NEAR 33N40W.

WITHIN 240 NM NW AND 60 NM SW QUADRANTS WINDS 35 TO 50 KT. SEAS

10 TO 21 FT.

.72 HOUR FORECAST...MERGED WITH FRONT AND LARGER LOW.



...STORM WARNING...

.LOW 59N49W 976 MB MOVING E 15 KT. OVER FORECAST WATERS WITHIN

240 NM SW AND 180 NM E QUADRANTS WINDS 40 TO 50 KT. SEAS 22 TO

32 FT. ELSEWHERE WITHIN 420 NM W SEMICIRCLE AND WITHIN 480 NM SE

QUADRANT WINDS 25 TO 40 KT. SEAS 15 TO 22 FT. ALSO...EXCEPT

WHERE OTHERWISE DESCRIBED...N OF 47N BETWEEN 67W AND 35W WINDS

20 TO 30 KT. SEAS 8 TO 17 FT.

.24 HOUR FORECAST LOW 60N35W 995 MB. WITHIN 840 NM SW AND 600 NM

NW QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO 16 FT...EXCEPT FROM

49N TO 59N E OF 54W SEAS 15 TO 20 FT.

.48 HOUR FORECAST LOW MOVED E OF AREA. FROM 51N TO 62N E OF 54W

WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.



...STORM WARNING...

.30 HOUR FORECAST NEW LOW 42N38W 1008 MB. OVER FORECAST WATERS

WITHIN 480 NM NE OF A LINE FROM 32N47W TO LOW CENTER WINDS 25 TO

35 KT. SEAS 8 TO 17 FT.

.48 HOUR FORECAST LOW 41N37W 1002 MB. EXCEPT WHERE DESCRIBED

WITH POST-TROPICAL CYCLONE LESLIE WITHIN 240 NM NW OF A LINE

FROM 42N35W TO 31N41W WINDS 40 TO 50 KT. SEAS 17 TO 23 FT.

ELSEWHERE E OF ANOTHER LINE FROM 52N36W TO 31N62W WINDS 25 TO 40

KT. SEAS 8 TO 17 FT.



...GALE WARNING...

.OVER FORECAST WATERS N OF 60N E OF GREENLAND WINDS 25 TO 35 KT.

SEAS 10 TO 22 FT.

.24 HOUR FORECAST CONDITIONS MOVED E OF AREA.



...GALE WARNING...

.18 HOUR FORECAST NEW LOW 47N35W 1010 MB. EXCEPT WHERE OTHERWISE

DESCRIBED WITHIN 600 NM W AND 480 NM S QUADRANTS WINDS 25 TO 35

KT. SEAS TO 12 FT.

.24 HOUR FORECAST LOW MOVED E OF AREA. EXCEPT WHERE OTHERWISE

DESCRIBED WITHIN 420 NM NW AND 360 NM SE OF A LINE FROM 46N35W

TO 31N56W WINDS 25 TO 40 KT. SEAS 8 TO 16 FT. ELSEWHERE FROM 31N

TO 50N BETWEEN 75W AND 35W WINDS 20 TO 30 KT. SEAS TO 12 FT.

.48 HOUR FORECAST CONDITIONS DESCRIBED ABOVE WITH POST-TROPICAL

CYCLONE LESLIE.



...GALE WARNING...

.48 HOUR FORECAST LOW 60N65W 995 MB. OVER FORECAST WATERS W OF A

LINE FROM 64N58W TO 52N47W TO 31N67W WINDS 25 TO 35 KT. SEAS TO

10 FT.



.SYNOPSIS AND FORECAST.



.LOW 41N52W 1018 MB MOVING NE 20 KT. OVER FORECAST WATERS WITHIN

540 NM N OF A FRONT FROM LOW CENTER TO 37N63W TO 36N75W WINDS 20

TO 30 KT. SEAS TO 9 FT.

.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS DESCRIBED IN

WARNINGS SECTION WITH SECOND GALE WARNING.



.48 HOUR FORECAST N OF 64N W OF GREENLAND WINDS 20 TO 30 KT.

SEAS TO 8 FT.



.24 HOUR FORECAST HIGH 46N61W 1040 MB.

.48 HOUR FORECAST HIGH 44N53W 1034 MB.



.FORECASTER SOMMERVILLE. 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 SEP 24.

24 HOUR FORECAST VALID 1200 UTC TUE SEP 25.

48 HOUR FORECAST VALID 1200 UTC WED SEP 26.



.WARNINGS.



...GALE WARNING...

.REMNANTS OF KIRK NEAR 10.0N 39.5W 1007 MB AT 1500 UTC SEP 24

MOVING W OR 280 DEG AT 20 KT. MAXIMUM SUSTAINED WINDS 35 KT

GUSTS 45 KT. WITHIN 120 NM N SEMICIRCLE WINDS 30 TO 35 KT.

SEAS 12 TO 14 FT. ELSEWHERE WITHIN 270 NM N SEMICIRCLE WINDS 20

TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA FROM 08N TO 17N

BETWEEN 35W AND 43W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN

MIXED SWELL.

.24 HOUR FORECAST TROPICAL WAVE FROM 17N45W TO 08N47W MOVING W

AT 20 KT. FROM 11N TO 13N BETWEEN 45W AND 47W WINDS 30 TO 35 KT.

SEAS 11 TO 14 FT. ELSEWHERE FROM 10N TO 15N BETWEEN 44W AND 49W

WINDS 20 TO 30 KT. SEAS 10 TO 13 FT. REMAINDER OF AREA FROM 09N

TO 17N BETWEEN 39W AND 54W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT

IN MIXED SWELL.

.48 HOUR FORECAST TROPICAL WAVE FROM 17N53W TO 08N55W MOVING W

AT 20 KT. FROM 12N TO 14N BETWEEN 52W AND 54W WINDS 30 TO 35 KT.

SEAS 11 TO 14 FT. ELSEWHERE FROM 11N TO 15N BETWEEN 51W AND 56W

WINDS 20 TO 30 KT. SEAS 9 TO 12 FT. REMAINDER OF AREA FROM 09N

TO 18N BETWEEN 47W AND 59W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT

IN MIXED SWELL.



.SYNOPSIS AND FORECAST.



.ATLC SUBTROPICAL STORM LESLIE NEAR 32.5N 48.0W 1004 MB AT 1500

UTC SEP 24 MOVING E OR 090 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS

35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS N OF AREA. SEAS 12

FT OR GREATER OVER FORECAST WATERS WITHIN 240 NM SW QUADRANT.

ELSEWHERE OVER FORECAST WATERS N OF 29N BETWEEN 41W AND 53W

WINDS 20 TO 30 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA N OF A

LINE FROM 31N39W TO 23N48W TO 29N58W WINDS 20 KT OR LESS. SEAS 8

TO 10 FT IN MIXED NE AND NW SWELL.

.24 HOUR FORECAST TROPICAL STORM LESLIE NEAR 32.4N 45.5W.

MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE

WINDS WITHIN 0 NM E SEMICIRCLE...20 NM SW QUADRANT AND 190 NM NW

QUADRANT. TROPICAL STORM FORCE WINDS AND 12 FT SEAS N OF AREA.

OVER FORECAST WATERS N OF A LINE FROM 31N40W TO 28N45W TO 30N50W

WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. N OF 29N BETWEEN 50W AND 53W

WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE SWELL.

.48 HOUR FORECAST POST-TROPICAL EXTRATROPICAL LESLIE NEAR 33.6N

39.9W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM

FORCE WINDS N OF AREA. OVER FORECAST WATERS N OF A LINE FROM

31N35W TO 27N40W TO 27N53W TO 30N66W WINDS 20 TO 30 KT. SEAS 8

TO 18 FT IN PRIMARILY NE SWELL...HIGHEST NEAR 31N46W.



.ATLC LOW PRES NEAR 29N72W 1012 MB. OVER FORECAST WATERS WITHIN

90 NM NE QUADRANT WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.24 HOUR FORECAST LOW PRES NEAR 31N78W 1012 MB. OVER FORECAST

WATERS WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.



.ATLC 06 HOUR FORECAST S OF 21N BETWEEN 71W AND 74W...INCLUDING

APPROACH TO WINDWARD PASSAGE...E WINDS 20 TO 25 KT. SEAS LESS

THAN 8 FT.

.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.



.CARIBBEAN 12 HOUR FORECAST FROM 11N TO 18N BETWEEN 69W AND 74W

NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT.

.24 HOUR FORECAST LITTLE CHANGE.

.48 HOUR FORECAST FROM 11N TO 14N BETWEEN 72W AND 78W NE TO E

WINDS 20 TO 25 KT. SEAS TO 9 FT.



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



$$

.FORECASTER LATTO. NATIONAL HURRICANE CENTER.


Source: OPC N Atlantic High Seas Forecast (corrected)
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