####018004864####
FZNT01 KWBC 030357

HSFAT1



HIGH SEAS FORECAST FOR METAREA IV 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

0430 UTC FRI MAY 03 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 0000 UTC MAY 03. 

24 HOUR FORECAST VALID 0000 UTC MAY 04. 

48 HOUR FORECAST VALID 0000 UTC MAY 05. 



.WARNINGS. 



...STORM WARNING... 

.FROM 57N TO 67N BETWEEN 45W AND 55W AREA OF N TO NW WINDS 25 TO 

35 KT. SEAS 9 TO 16 FT.

.24 HOUR FORECAST WITHIN 240 NM NE OF A LINE FROM 63N54W TO 

60N52W TO 58N49W TO 57N42W WINDS 35 TO 50 KT. SEAS 12 TO 21 FT. 

ELSEWHERE WITHIN 300 NM NE OF A LINE FROM 66N56W TO 62N56W TO 

58N53W TO 55N47W TO 57N35W WINDS 25 TO 35 KT. SEAS 9 TO 15 FT.

.48 HOUR FORECAST WITHIN 300 NM NE OF A LINE FROM 66N57W TO 

60N55W TO 56N51W TO 54N45W TO 54N35W WINDS 25 TO 40 KT. SEAS 12 

TO 21 FT.



...GALE WARNING... 

.LOW 43N39W 993 MB NEARLY STATIONARY. WITHIN 480 NM N AND 300 NM 

S SEMICIRCLES WINDS 25 TO 35 KT. SEAS 10 TO 18 FT.

.24 HOUR FORECAST LOW 43N39W 998 MB. WITHIN 420 NM N AND 300 NM 

S SEMICIRCLES WINDS 25 TO 35 KT. SEAS 10 TO 18 FT.

.48 HOUR FORECAST LOW 43N41W 1004 MB. WITHIN 420 NM NW OF A LINE 

FROM 37N59W TO 42N45W TO 45N35W WINDS 25 TO 35 KT. SEAS 9 TO 17 

FT.



...GALE WARNING... 

.LOW 46N54W 1008 MB MOVING SE 10 KT. WITHIN 540 NM N AND NW 

QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 12 FT.

.24 HOUR FORECAST LOW DISSIPATED. FROM 44N TO 53N BETWEEN 50W 

AND 64W AREA OF NE WINDS 20 TO 30 KT. SEAS TO 10 FT.

.48 HOUR FORECAST CONDITIONS DIMINISHED. 



...GALE WARNING... 

.24 HOUR FORECAST LOW E OF AREA NEAR 65N31W 997 MB. N OF 63N E 

OF 37W WINDS 25 TO 40 KT. SEAS 8 TO 12 FT.

.48 HOUR FORECAST LOW 61N35W 995 MB. N OF 58N E OF 42W WINDS 25 

TO 35 KT. SEAS 9 TO 15 FT.



...HEAVY FREEZING SPRAY WARNING... 

.MODERATE TO HEAVY FREEZING SPRAY N OF 64N W OF 54W. ELSEWHERE 

LIGHT TO MODERATE FREEZING SPRAY N OF 60N W OF 51W.

.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 63N W OF 

54W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 59N W OF 

49W.

.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 64N W OF 

54W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 60N W OF 

49W.



.SYNOPSIS AND FORECAST. 



.LOW 37N46W 1004 MB MOVING NE 30 KT. FROM 33N TO 37N E OF 54W 

WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.

.24 HOUR FORECAST LOW E OF AREA NEAR 42N29W 1006 MB. FROM 33N TO 

37N E OF 40W WINDS TO 25 KT. SEAS TO 10 FT.

.48 HOUR FORECAST LOW AND CONDITIONS E OF AREA.



.48 HOUR FORECAST NEW LOW 37N45W 1003 MB. WITHIN 300 NM E 

SEMICIRCLE WINDS TO 25 KT. SEAS TO 9 FT.



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 45N TO 53N 

BETWEEN 45W AND 59W...FROM 38N TO 43N W OF 67W...AND N OF 63N E 

OF GREENLAND.

.24 HOUR FORECAST DENSE FOG N OF 62N E OF 40W.

.48 HOUR FORECAST DENSE FOG N OF 62N E OF GREENLAND.



.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 0000 UTC FRI MAY 3.

24 HOUR FORECAST VALID 0000 UTC SAT MAY  4.

48 HOUR FORECAST VALID 0000 UTC SUN MAY  5.



.WARNINGS.



.NONE.



.SYNOPSIS AND FORECAST.



.ATLC WITHIN 23N67W TO 23N68W TO 22N68W TO 22N67W TO 23N67W E

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

.06 HOUR FORECAST CONDITIONS IMPROVE. 



.ATLC WITHIN 31N39W TO 31N43W TO 30N42W TO 30N41W TO 30N40W TO 

31N39W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL.

.06 HOUR FORECAST CONDITIONS IMPROVE. 



.ATLC 09 HOUR FORECAST WITHIN 08N45W TO 09N45W TO 08N46W TO 

07N46W TO 07N45W TO 08N45W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT 

IN NE SWELL.

.24 HOUR FORECAST WITHIN 08N45W TO 09N46W TO 08N47W TO 07N46W TO

07N45W TO 08N45W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE 

SWELL.

.48 HOUR FORECAST CONDITIONS IMPROVE. 



.GULF OF MEXICO WITHIN 22N88W TO 22N90W TO 23N90W TO 21N89W TO 

21N88W TO 22N88W E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.24 HOUR FORECAST LITTLE CHANGE.

.48 HOUR FORECAST LITTLE CHANGE.



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



$$

.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.

####018005966####
FZPN01 KWBC 030358

HSFEP1



HIGH SEAS FORECAST 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

0430 UTC FRI MAY 03 2024 



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). 



SECURITE 



PACIFIC N OF 30N AND S OF 67N E OF A LINE FROM BERING STRAIT 

TO 50N 160E 



ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS 



SYNOPSIS VALID 0000 UTC MAY 03. 

24 HOUR FORECAST VALID 0000 UTC MAY 04. 

48 HOUR FORECAST VALID 0000 UTC MAY 05. 



.WARNINGS. 



...GALE WARNING... 

.LOW 52N172E 972 MB MOVING NE 20 KT. BETWEEN 120 NM AND 360 NM S 

QUADRANT...AND BETWEEN 180 NM AND 480 NM N AND NW QUADRANTS 

WINDS 35 TO 45 KT. SEAS 12 TO 21 FT...EXCEPT S QUADRANT 15 TO 27 

FT. ELSEWHERE W OF A LINE FROM 61N176W TO 46N163W TO 40N176W 

WINDS 25 TO 40 KT. SEAS 8 TO 16 FT.

.24 HOUR FORECAST LOW 55N176W 983 MB. BETWEEN 120 NM AND 540 NM 

S QUADRANT AND W OF A LINE FROM 61N175W TO 57N178E WINDS 30 TO 

40 KT. SEAS 9 TO 16 FT...EXCEPT S QUADRANT 14 TO 23 FT. 

ELSEWHERE WITHIN AN AREA BOUNDED BY A LINE FROM 56N156W TO 

44N146W TO 45N176E TO 53N166E TO 56N156W AND N OF A LINE FROM 

58N165W TO 57N177W TO 51N168E WINDS 20 TO 30 KT. SEAS 8 TO 16 FT.

.48 HOUR FORECAST LOW 57N160W 990 MB. WITHIN 660 NM SW 

SEMICIRCLE WINDS 25 TO 35 KT. SEAS 8 TO 20 FT...HIGHEST S OF THE 

ALEUTIANS. 



...GALE WARNING... 

.COMPLEX LOW WITH MAIN CENTER 54N145W 997 MB NEARLY STATIONARY. 

WITHIN 420 NM N AND NE...540 NM SE...AND 600 NM SW QUADRANTS 

WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.

.24 HOUR FORECAST LOW 54N145W 1006 MB. FROM 58N TO 60N BETWEEN 

145W AND 154W WINDS 20 TO 30 KT. SEAS TO 10 FT. 

.48 HOUR FORECAST LOW DISSIPATED. N OF 59N BETWEEN 142W AND 147W 

WINDS TO 25 KT. SEAS LESS THAN 8 FT. 



...GALE WARNING... 

.LOW 34N162E 1007 MB MOVING E 15 KT WITH A FRONT FROM 40N176E TO 

36N168E TO 33N160E. WITHIN 300 NM E OF THE FRONT AND 180 NM N OF 

THE FRONT W OF 170E WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. 

.24 HOUR FORECAST LOW 34N170E 1012 MB. WITHIN 180 NM N OF A 

FRONT FROM 36N175E TO 32N162E WINDS 20 TO 30 KT. SEAS TO 11 FT. 

.48 HOUR FORECAST LOW 39N178E 1016 MB. WITHIN 180 NM OF CENTER 

WINDS TO 25 KT. SEAS TO 8 FT. 



...GALE WARNING...

.12 HOUR FORECAST NEW LOW 49N132W 1003 MB. WITHIN 180 NM NE 

QUADRANT WINDS 25 TO 35 KT. SEAS TO 11 FT. 

.24 HOUR FORECAST LOW 51N132W 1000 MB. WITHIN 240 NM NE 

SEMICIRCLE WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. ELSEWHERE FROM 

36N TO 53N BETWEEN 130W AND 144W WINDS 20 TO 30 KT. SEAS TO 10 

FT. 

.48 HOUR FORECAST LOW 47N130W 1004 MB. FROM 45N TO 48N BETWEEN 

125W AND 134W AND WITHIN 240 NM SW OF A LINE FROM 47N146W TO 

37N133W WINDS TO 25 KT. SEAS TO 10 FT. 



.SYNOPSIS AND FORECAST. 



.FROM 30N TO 37N BETWEEN 120W AND 127W AREA OF N TO NW WINDS 20 

TO 30 KT. SEAS 8 TO 12 FT. 

.24 HOUR FORECAST FROM 30N TO 37N BETWEEN 120W AND 124W AREA OF 

NW WINDS TO 25 KT. SEAS TO 10 FT. 

.48 HOUR FORECAST CONDITIONS DIMINISHED. 



.24 HOUR FORECAST LOW W OF AREA 47N157E 1006 MB. FROM 43N TO 49N 

W OF 163E WINDS TO 25 KT. SEAS TO 8 FT.

.48 HOUR FORECAST LOW 49N162E 1010 MB. WITHIN 240 NM NE 

SEMICIRCLE WINDS TO 25 KT. SEAS TO 9 FT. 



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 48N 

BETWEEN 132W AND 139W...N OF 48N BETWEEN 177E AND 165E...AND 

WITHIN 120 NM N OF A LINE FROM 55N178E TO 54N173W TO 49N161W.

.24 HOUR FORECAST DENSE FOG WITHIN 120 NM SE OF A LINE FROM 

49N161W TO 44N169W...AND N OF 54N W OF 152W.

.48 HOUR FORECAST DENSE FOG N OF 56N BETWEEN 154W AND 170W...AND 

FROM 50N TO 53N W OF 170E. 



.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 58N W OF 

171W. 



.FORECASTER CLARK. OCEAN PREDICTION CENTER.



NATIONAL HURRICANE CENTER MIAMI FL



E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE

EQUATOR E OF 120W



SYNOPSIS VALID 0000 UTC FRI MAY 3.

24 HOUR FORECAST VALID 0000 UTC SAT MAY  4.

48 HOUR FORECAST VALID 0000 UTC SUN MAY  5.



.WARNINGS.



.NONE.



.SYNOPSIS AND FORECAST.



.WITHIN 30N121.5W TO 30N125W TO 29.5N125W TO 29.5N124.5W TO

29.5N122.5W TO 30N121.5W N WINDS 20 TO 25 KT. SEAS 10 TO 12 FT.

ELSEWHERE WITHIN 30N118W TO 29N124W TO 30N129W TO 25N128W TO 

22N124W TO 24N118W TO 30N118W WINDS 20 KT OR LESS. SEAS 8 TO 

10 FT IN N SWELL.

.24 HOUR FORECAST WITHIN 30N117W TO 30N125W TO 25N125W TO

24N121W TO 27N117W TO 30N117W WINDS 20 KT OR LESS. SEAS 8 TO 9

FT IN N SWELL.

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

LESS THAN 8 FT.



.WITHIN 15N129W TO 15N136W TO 20N140W TO 10N140W TO 12N128W TO

15N129W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE SWELL.

.24 HOUR FORECAST WITHIN 13N135W TO 14N140W TO 08N140W TO

09N136W TO 10N134W TO 13N135W WINDS 20 KT OR LESS. SEAS 8 TO 9

FT IN NE SWELL.

.48 HOUR FORECAST WITHIN 11N128W TO 13N136W TO 14N140W TO

09N140W TO 09N135W TO 08N128W TO 11N128W WINDS 20 KT OR LESS.

SEAS 8 TO 9 FT IN NE SWELL.



.42 HOUR FORECAST WITHIN 02S115W TO 02S118W TO 02S119W TO

03.4S120W TO 03.4S112W TO 02S115W WINDS 20 KT OR LESS. SEAS 8 TO

9 FT IN SW SWELL.

.48 HOUR FORECAST WITHIN 02S113W TO 02S120W TO 03.4S120W TO

03.4S110W TO 02S113W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN SW 

SWELL.



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



CONVECTION VALID AT 0230 UTC FRI MAY 3...



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH FROM 08N83W TO 05N99W...THEN RESUMES NEAR 12N98W 

TO 05N121W. ITCZ FROM 05N121W TO BEYOND 06N140W. SCATTERED 

MODERATE FROM 03N TO 12N BETWEEN 106W-120W. 



$$

.FORECASTER ERA. NATIONAL HURRICANE CENTER.