####018005544####
FZNT01 KWBC 101604

HSFAT1



HIGH SEAS FORECAST FOR METAREA IV 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

1630 UTC FRI MAY 10 2024 



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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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



FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH 

ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP 

(ALL LOWERCASE). 



SECURITE 



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



ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS 



SYNOPSIS VALID 1200 UTC MAY 10. 

24 HOUR FORECAST VALID 1200 UTC MAY 11. 

48 HOUR FORECAST VALID 1200 UTC MAY 12. 



.WARNINGS. 



...GALE WARNING... 

.COMPLEX LOW WITH MAIN CENTER 53N37W 980 MB MOVING NE 20 KT AND 

SECOND CENTER 57N40W 986 MB MOVING E 15 KT. BETWEEN 90 NM AND 

300 NM S QUADRANT OF MAIN CENTER AND WITHIN 120 NM W OF A LINE 

FROM 62N36W TO 54N44W WINDS 35 TO 45 KT. SEAS 14 TO 21 FT. 

ELSEWHERE WITHIN 420 NM SE AND 480 NM SW QUADRANTS OF MAIN 

CENTER...AND 420 NM W SEMICIRCLE AND N QUADRANT OF SECOND CENTER 

WINDS 25 TO 35 KT. SEAS 9 TO 15 FT. 

.24 HOUR FORECAST MERGED LOW E OF AREA NEAR 58N28W 990 MB. 

WITHIN 150 NM E OF A LINE FROM 65N38W TO 62N41W TO 54N43W WINDS 

25 TO 35 KT. SEAS 8 TO 14 FT. 

.48 HOUR FORECAST LOW WELL E OF AREA. E OF A LINE FROM 59N39W TO 

 54N39W TO 51N35W WINDS TO 25 KT. SEAS 8 TO 11 FT. 



...GALE WARNING... 

.LOW 39N59W 1001 MB MOVING NE 40 KT. FRONT EXTENDS FROM 42N50W 

TO THE LOW TO 36N70W. WITHIN 300 NM S AND SE OF THE FRONT WINDS 

25 TO 35 KT. SEAS 8 TO 12 FT. 

.24 HOUR FORECAST LOW 45N38W 1004 MB. FRONT TO EXTEND FROM 

45N35W TO THE LOW TO 42N45W TO 40N55W. WITHIN 300 NM S AND SE OF 

THE FRONT WINDS 25 TO 35 KT. SEAS 9 TO 15 FT. 

.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS E OF AREA.



...GALE WARNING...

.12 HOUR FORECAST NEW LOW 35N75W 1001 MB. FROM 31N TO 35N W OF 

75W WINDS 20 TO 30 KT. SEAS TO 8 FT. 

.24 HOUR FORECAST LOW 36N68W 997 MB. WITHIN 360 NM OF CENTER 

WINDS 25 TO 35 KT. SEAS 8 TO 12 FT. ELSEWHERE WITHIN 180 NM N OF 

A LINE FROM 41N65W TO 44N51W AREA OF NE WINDS TO 25 KT. SEAS TO 

8 FT. 

.48 HOUR FORECAST LOW 44N58W 996 MB. WITHIN 240 NM NW SEMICIRCLE 

AND 540 NM E AND SE QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 16 FT.



...GALE WARNING... 

.48 HOUR FORECAST N OF 64N BETWEEN 53W AND 58W AREA OF S WINDS 

25 TO 35 KT. SEAS TO 12 FT. 



.SYNOPSIS AND FORECAST. 



.LOW 44N57W 1000 MB MOVING E 15 KT. FROM 44N TO 46N BETWEEN 49W 

AND 63W WINDS TO 25 KT. SEAS TO 8 FT. 

.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 45N38W 

DESCRIBED IN WARNINGS SECTION ABOVE. 



.LOW 43N49W 1002 MB MOVING E 15 KT. FROM 37N TO 43N E OF 50W 

WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. 

.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 45N38W 

DESCRIBED IN WARNINGS SECTION ABOVE. 



.INLAND LOW 61N46W 998 MB NEARLY STATIONARY. FROM 57N TO 64N 

BETWEEN 48W AND 54W AREA OF NW WINDS 20 TO 30 KT. SEAS 8 TO 12 

FT. 

.24 HOUR FORECAST LOW 61N46W 1004 MB WITH ASSOCIATED CONDITIONS 

DIMINISHED.



.LOW 38N74W 1001 MB MOVING E 15 KT. WITHIN 240 NM N AND NE...AND 

480 NM S AND SE QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.

.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 36N68W 

DESCRIBED IN WARNINGS SECTION ABOVE. 



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 57N E OF 

41W...AND FROM 37N TO 41N BETWEEN 50W AND 64W. 

.24 HOUR FORECAST DENSE FOG FROM 41N TO 45N BETWEEN 50W AND 35W. 

.48 HOUR FORECAST DENSE FOG FROM 43N TO 49N BETWEEN 45W AND 58W. 



.LIGHT FREEZING SPRAY W AND NW OF A LINE FROM 56N59W TO 60N58W 

TO 63N52W TO 67N53W. 

.24 HOUR FORECAST LIGHT FREEZING SPRAY N OF 63N W OF 52W. 

.48 HOUR FORECAST CONDITIONS DIMINISHED. 



.FORECASTER CLARK. 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 MAY 10.

24 HOUR FORECAST VALID 1200 UTC SAT MAY 11.

48 HOUR FORECAST VALID 1200 UTC SUN MAY 12.



.WARNINGS.



.NONE.



.SYNOPSIS AND FORECAST.



.ATLC 06 HOUR FORECAST COLD FRONT W OF AREA. WITHIN 31N77.5W TO

31N80.5W TO 30.5N80W TO 30N79.5W TO 30N78.5W TO 31N77.5W SW TO W

WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.24 HOUR FORECAST COLD FRONT FROM 31N73W TO 27N80W. WITHIN 

31N66W TO 31N72W TO 29N74W TO 29N71W TO 31N66W SW WINDS 20 TO 25 

KT. SEAS 8 TO 10 FT.

.48 HOUR FORECAST COLD FRONT WEAKENING FROM 31N65W TO 25.5N79W.

WITHIN 31N63W TO 31N64.5W TO 30.5N65W TO 30.5N64.5W TO 31N63W 

WINDS 20 KT OR LESS. SEAS 8 FT IN W SWELL.



.CARIBBEAN WITHIN 18N86W TO 18N88W TO 16N87W TO 16N85W TO 17N85W

TO 18N86W...INCLUDING THE GULF OF HONDURAS...E TO SE WINDS 20 TO

25 KT. SEAS LESS THAN 8 FT.

.24 HOUR FORECAST LITTLE CHANGE.

.48 HOUR FORECAST LITTLE CHANGE.



.GULF OF MEXICO 36 HOUR FORECAST WITHIN 22N87W TO 22N90W TO

21N90W TO 22N87W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS

LESS THAN 8 FT.



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



$$

.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.