####018006077####
FZNT01 KWBC 100933

HSFAT1



HIGH SEAS FORECAST FOR METAREA IV 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 0600 UTC MAY 10. 

24 HOUR FORECAST VALID 0600 UTC MAY 11. 

48 HOUR FORECAST VALID 0600 UTC MAY 12. 



.WARNINGS. 



...STORM WARNING... 

.LOW 53N40W 980 MB MOVING NE 15 KT. WITHIN 540 NM N...360 NM 

W...AND 420 NM S AND SE QUADRANTS WINDS 35 TO 50 KT. SEAS 12 TO 

21 FT. ELSEWHERE WITHIN 660 NM N...480 NM W...AND 540 NM S AND 

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

.24 HOUR FORECAST LOW E OF AREA NEAR 57N30W 986 MB. BETWEEN 360 

NM AND 540 NM SW QUADRANT...AND BETWEEN 360 NM AND 600 NM NW 

QUADRANT WINDS 25 TO 35 KT. SEAS 9 TO 16 FT.

.48 HOUR FORECAST LOW WELL E OF AREA. E OF A LINE FROM 65N38W TO 

61N42W TO 56N43W TO 48N35W WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.



...GALE WARNING... 

.LOW 37N66W 1003 MB MOVING NE 40 KT. FRONT EXTENDS FROM 38N60W 

TO THE LOW TO 37N76W. WITHIN 300 NM S AND SE OF THE FRONT...AND 

FROM 31N TO 37N W OF 76W WINDS 25 TO 35 KT. SEAS 8 TO 12 FT. 

ELSEWHERE WITHIN 480 NM NW QUADRANT WINDS TO 25 KT. SEAS TO 8 FT.

.24 HOUR FORECAST LOW 43N46W 1003 MB. FRONT TO EXTEND FROM 

46N35W TO THE LOW TO 39N57W. WITHIN 360 NM S AND SE OF THE FRONT 

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

.48 HOUR FORECAST LOW E OF AREA NEAR 51N21W 1007 MB. FROM 40N TO 

44N E OF 37W WINDS TO 25 KT. SEAS 8 TO 13 FT.



...GALE WARNING... 

.24 HOUR FORECAST NEW LOW 34N72W 1000 MB. FROM 31N TO 35N W OF 

67W WINDS 25 TO 35 KT. SEAS 8 TO 12 FT.

.48 HOUR FORECAST LOW 41N59W 998 MB. FRONT TO EXTEND FROM THE 

LOW TO 31N66W. WITHIN 480 NM NE AND 300 NM NW QUADRANTS...AND 

WITHIN 360 NM E OF THE FRONT WINDS 25 TO 35 KT. SEAS 9 TO 17 FT.



...GALE WARNING...

.48 HOUR FORECAST N OF 65N BETWEEN 52W AND 58W AREA OF S WINDS 

25 TO 35 KT. SEAS TO 10 FT.



.SYNOPSIS AND FORECAST. 



.LOW 43N57W 999 MB MOVING E 05 KT. WITHIN 240 NM NE...600 NM 

SE...300 NM SW...AND 360 NM NW QUADRANTS WINDS 20 TO 30 KT. SEAS 

8 TO 12 FT.

.24 HOUR FORECAST LOW 43N56W 1006 MB. WITHIN 240 NM N SEMICIRCLE 

WINDS TO 25 KT. SEAS TO 9 FT.

.48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 41N59W 

DESCRIBED IN WARNINGS SECTION ABOVE.



.FROM 36N TO 41N E OF 41W AREA OF SW WINDS 20 TO 30 KT. SEAS 8 

TO 12 FT.

.24 HOUR FORECAST CONDITIONS E OF AREA. 



.LOW 61N47W 998 MB NEARLY STATIONARY. WITHIN 300 NM W SEMICIRCLE 

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

.24 HOUR FORECAST LOW 60N46W 1004 MB. WITHIN 240 NM W SEMICIRCLE 

WINDS TO 25 KT. SEAS 8 TO 12 FT. 

.48 HOUR FORECAST LOW 60N47W 1012 MB. WITHIN 180 NM SW 

SEMICIRCLE WINDS TO 25 KT. SEAS TO 8 FT.



.24 HOUR FORECAST LOW 38N68W 999 MB. WITHIN 240 NM NE 

QUADRANT...480 NM SE QUADRANT...AND 360 NM W AND NW QUADRANTS 

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

.48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 41N59W 

DESCRIBED IN WARNINGS SECTION ABOVE.



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 57N TO 65N E 

OF 44W...FROM 50N TO 55N BETWEEN 52W AND 59W...AND FROM 42N TO 

48N BETWEEN 58W AND 66W.

.24 HOUR FORECAST DENSE FOG FROM 41N TO 46N BETWEEN 41W AND 54W.

.48 HOUR FORECAST DENSE FOG FROM 42N TO 48N BETWEEN 45W AND 57W.



.LIGHT FREEZING SPRAY W AND NW OF A LINE FROM 56N59W TO 61N57W 

TO 65N52W TO 67N52W.

.24 HOUR FORECAST LIGHT FREEZING SPRAY N OF 63N W OF 51W.

.48 HOUR FORECAST CONDITIONS DIMINISHED. 



.FORECASTER NOLT. 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 FRI MAY 10.

24 HOUR FORECAST VALID 0600 UTC SAT MAY 11.

48 HOUR FORECAST VALID 0600 UTC SUN MAY 12.



.WARNINGS.



.NONE.



.SYNOPSIS AND FORECAST.



.ATLC WITHIN 18N35W TO 18N39W TO 17N41W TO 14N42W TO 14N35W TO 

16N38W TO 18N35W WINDS 20 KT OR LESS. SEAS TO 8 FT IN N SWELL.

.24 HOUR FORECAST WITHIN 14N35W TO 14N40W TO 12N42W TO 09N43W TO 

08N38W TO 10N35W TO 14N35W WINDS 20 KT OR LESS. SEAS TO 8 FT IN 

DECAYING N SWELL.

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



.ATLC 24 HOUR FORECAST COLD FRONT FROM 31N77W TO 28N78W TO 

26N80W. WITHIN 31N67W TO 31N77W TO 28N77W TO 27N76W TO 29N69W TO 

31N67W SW WINDS 20 TO 25 KT. SEAS 8 FT. WITHIN 31N77W TO 31N80W 

TO 28N80W TO 29N80W TO 28N78W TO 31N77W W TO NW WINDS 20 TO 25 

KT. SEAS LESS THAN 8 FT.

.48 HOUR FORECAST WEAKENING COLD FRONT FROM 31N68W TO 27N72W TO 

23N79W. WITHIN 31N62W TO 31N68W TO 30N67W TO 28N68W TO 30N64W TO 

31N62W SW WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.



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

TO 16N85W TO 17N85W 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 18 HOUR FORECAST WITHIN 23N88W TO 22N89W TO 

22N88W TO 22N87W TO 23N88W E TO SE WINDS 20 TO 25 KT. SEAS LESS 

THAN 8 FT.

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

.42 HOUR FORECAST WITHIN 23N88W TO 22N89W TO 22N88W TO 22N87W TO 

23N88W E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.48 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 AGUIRRE. NATIONAL HURRICANE CENTER.