####018005781####
FZPN01 KWBC 022142

HSFEP1



HIGH SEAS FORECAST

NWS OCEAN PREDICTION CENTER WASHINGTON DC

2230 UTC THU MAY 02 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 1800 UTC MAY 02. 

24 HOUR FORECAST VALID 1800 UTC MAY 03.

48 HOUR FORECAST VALID 1800 UTC MAY 04.



.WARNINGS.



...GALE WARNING... 

.LOW 56N153W 1003 MB MOVING SE 05 KT. WITHIN 360 NM NE QUADRANT

WINDS 25 TO 35 KT. SEAS TO 10 FT.

.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 54N145W

DESCRIBED BELOW.



...GALE WARNING... 

.LOW 51N169E 974 MB MOVING NE 20 KT. WITHIN 300 NM SE...480 NM

SW... 360 NM W...540 NM N AND NE QUADRANTS WINDS 30 TO 45 KT.

SEAS 9 TO 25 FT...HIGHEST S OF CENTER. ELSEWHERE W OF A LINE FROM

40N167W TO 50N167W TO 61N177E WINDS 25 TO 40 KT. SEAS 9 TO 17

FT.

.24 HOUR FORECAST LOW 54N180W 981 MB. WITHIN 600 NM S...540 NM

W...660 NM N...600 NM NE...900 NM E...AND 960 NM SE QUADRANTS

WINDS 25 TO 35 KT. SEAS 9 TO 23 FT...HIGHEST S OF CENTER.

ELSEWHERE FROM 40N TO 56N BETWEEN 150W AND 166E WINDS 20 TO 30

KT. SEAS 8 TO 16 FT.

.48 HOUR FORECAST LOW 57N165W 987 MB. WITHIN 660 NM SE...720 NM

S...660 NM SW...600 NM W AND NW QUADRANTS WINDS 25 TO 35 KT. SEAS

8 TO 21 FT...HIGHEST S OF THE ALEUTIANS. 



...GALE WARNING... 

.LOW 54N146W 999 MB MOVING NE 05 KT. WITHIN 300 NM NE...420 NM

E...600 NM SE...AND 540 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS

TO 10 FT.

.06 HOUR FORECAST LOW 54N146W 997 MB. WITHIN 300 NM NE AND SW

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

.24 HOUR FORECAST LOW 54N145W 1004 MB. WITHIN 480 NM N...300 NM

NE...AND 300 NM S QUADRANTS WINDS 20 TO 30 KT. SEAS TO 11 FT.

.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DESCRIBED BELOW 

WITH LOW 48N125W. 



...GALE WARNING...

.LOW 37N168E 1006 MB MOVING SE 10 KT. W OF A LINE FROM 40N173W TO

32N170E WINDS 25 TO 40 KT. SEAS 8 TO 14 FT.

.24 HOUR FORECAST LOW DISSIPATED WITH NEW LOW TO FORM NEAR LOW

31N160E 1011 MB. WITHIN 300 NM S AND E OF A LINE FROM 40N177W TO

37N176E TO 35N160E WINDS 20 TO 30 KT. SEAS TO 11 FT.

.48 HOUR FORECAST LOW 38N174E 1012 MB. WITHIN 300 NM NW AND 180

NM SE SEMICIRCLES WINDS 20 TO 30 KT. SEAS TO 8 FT.



...GALE WARNING...

.24 HOUR FORECAST NEW LOW 50N131W 1000 MB. WITHIN 150 NM NE

SEMICIRCLE WINDS 25 TO 35 KT. SEAS TO 10 FT. ELSEWHERE FROM 35N

TO 54N BETWEEN 124W AND 150W WINDS 20 TO 30 KT. SEAS TO 10 FT.

.48 HOUR FORECAST LOW 48N124W 1001 MB. FROM 32N TO 50N E OF 150W

WINDS TO 25 KT. SEAS TO 10 FT.



.SYNOPSIS AND FORECAST.



.FROM 30N TO 39N BETWEEN 120W AND 128W AREA OF N TO NW WINDS 20

TO 30 KT. SEAS 8 TO 13 FT. 

.24 HOUR FORECAST FROM 30N TO 39N BETWEEN 119W AND 125W AREA OF

NW WINDS TO 25 KT. SEAS TO 11 FT.

.48 HOUR FORECAST CONDITIONS DIMINISHED.



.48 HOUR FORECAST LOW 49N160E 1007 MB. FROM 43N TO 51N W OF 169E

WINDS TO 25 KT. SEAS TO 10 FT. 



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 40N TO 50N

BETWEEN 134W AND 147W...W OF A LINE FROM 47N165W TO 50N165W TO

55N177W TO 57N175E...FROM 57N TO 60N BETWEEN 162W AND 174W...N OF

61N W OF 171W...AND FROM 54N TO 58N BETWEEN 145W AND 150W.

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

48N165W TO 45N170W...FROM 62N TO THE ALEUTIANS AND W OF

162W...AND FROM 54N TO 56N BETWEEN 156W AND 162W.

.48 HOUR FORECAST DENSE FOG FROM 63N TO THE ALEUTIANS AND E OF

175W...AND FROM 46N TO 51N W OF 171E.



.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 60N W OF

170W.



.FORECASTER EHRBAR. OCEAN PREDICTION CENTER.



NWS 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 1800 UTC THU MAY 2.

24 HOUR FORECAST VALID 1800 UTC FRI MAY  3.

48 HOUR FORECAST VALID 1800 UTC SAT MAY  4.



.WARNINGS.



.NONE.



.SYNOPSIS AND FORECAST.



.WITHIN 30N116W TO 30N132W TO 26N135W TO 21N129W TO 23N118W TO

30N116W N WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN N SWELL.

.24 HOUR FORECAST WITHIN 30N118W TO 30N130W TO 25N128W TO 

24N124W TO 27N119W TO 30N118W WINDS 20 KT OR LESS. SEAS 8 TO 10 

FT IN N SWELL.

.48 HOUR FORECAST WITHIN 30N118W TO 30N122W TO 27N123W TO 

26N119W TO 27N117W TO 30N118W WINDS 20 KT OR LESS. SEAS LESS THAN

8 FT.



.WITHIN 25N134W TO 24N140W TO 06N140W TO 08N128W TO 13N127W TO

25N134W WINDS 20 KT OR LESS. SEAS 8 FT IN NE SWELL.

.24 HOUR FORECAST WITHIN 14N129W TO 23N140W TO 08N140W TO

09N131W TO 14N129W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N TO

NE SWELL.

.48 HOUR FORECAST WITHIN 14N129W TO 23N140W TO 08N140W TO

09N131W TO 14N129W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N TO

NE SWELL.



.48 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 S SWELL.



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



CONVECTION VALID AT 2100 UTC THU MAY 2...



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH FROM NEAR 07N78W TO 12N95W TO 09N105W. ITCZ 

FROM 09N105W TO 05N120W TO BEYOND 04N140W. SCATTERED MODERATE 

FROM 04N TO 07N EAST OF 80W...AND WITHIN 90 NM N OF THE MONSOON 

TROUGH AND ITCZ BETWEEN 100W AND 115W.





.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.



$$

####018005170####
FZNT01 KWBC 022143

HSFAT1



HIGH SEAS FORECAST FOR METAREA IV 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

2230 UTC THU MAY 02 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 1800 UTC MAY 02. 

24 HOUR FORECAST VALID 1800 UTC MAY 03. 

48 HOUR FORECAST VALID 1800 UTC MAY 04. 



.WARNINGS.



...GALE WARNING...

.FROM 59N TO 64N BETWEEN 47W AND 54W AREA OF NW WINDS 25 TO 35 

KT. SEAS 9 TO 14 FT. ELSEWHERE N OF 52N W OF 47W AREA OF NW 

WINDS TO 25 KT. SEAS TO 12 FT.

.24 HOUR FORECAST FROM 58N TO 66N BETWEEN 45W AND 53W AREA OF NW 

WINDS 25 TO 35 KT. SEAS 9 TO 16 FT. ELSEWHERE N OF 56N BETWEEN 

42W AND 56W AREA OF NW WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.

.48 HOUR FORECAST WITHIN 180 NM SW OF A LINE FROM 63N51W TO 

58N41W AREA OF NW WINDS 30 TO 45 KT. SEAS 12 TO 21 FT. ELSEWHERE 

N OF 55N BETWEEN 54W AND A LINE FROM 66N54W TO 57N35W AREA OF NW 

WINDS 20 TO 30 KT. SEAS 9 TO 16 FT.



...GALE WARNING...

.LOW 43N40W 992 MB NEARLY STATIONARY. FROM 46N TO 50N E OF 43W 

WINDS 25 TO 35 KT. SEAS 10 TO 16 FT. ELSEWHERE FROM 33N TO 52N E 

OF 45W WINDS 20 TO 30 KT. SEAS 9 TO 13 FT.

.24 HOUR FORECAST LOW 43N39W 996 MB. FROM 43N TO 50N E OF 45W 

WINDS 25 TO 35 KT. SEAS 10 TO 16 FT. ELSEWHERE FROM 34N TO 51N E 

OF 47W WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.

.48 HOUR FORECAST LOW 43N41W 1003 MB. WITHIN 360 NM NW 

SEMICIRCLE WINDS 25 TO 35 KT. SEAS 10 TO 16 FT. ELSEWHERE FROM 

39N TO 49N E OF 65W WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.



...GALE WARNING...

.FROM 47N TO 52N BETWEEN 47W AND 62W AREA OF NE WINDS 20 TO 30 

KT. SEAS TO 10 FT.

.12 HOUR FORECAST FROM 48N TO 51N BETWEEN 53W AND 63W AREA OF NE 

WINDS 25 TO 35 KT. SEAS TO 10 FT.

.24 HOUR FORECAST LITTLE CHANGE.

.48 HOUR FORECAST CONDITIONS DIMINISHED.



...GALE WARNING...

.24 HOUR FORECAST LOW E OF AREA 64N28W 1002 MB. N OF 61N E OF 

39W WINDS 20 TO 30 KT. SEAS TO 8 FT.

.48 HOUR FORECAST LOW 62N67W 996 MB. N OF 60N E OF 40W WINDS 25 

TO 35 KT. SEAS 9 TO 13 FT.



...HEAVY FREEZING SPRAY WARNING... 

.MODERATE TO HEAVY FREEZING SPRAY N OF 64N W OF 55W. ELSEWHERE 

LIGHT TO MODERATE FREEZING SPRAY N OF 62N W OF 50W. 

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

55W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 61N W OF 

50W. 

.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 65N W OF 

55W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 60N W OF 

50W. 



.SYNOPSIS AND FORECAST. 



.FROM 33N TO 37N BETWEEN 45W AND 57W WINDS 20 TO 30 KT. SEAS TO 

10 FT.

.24 HOUR FORECAST CONDITIONS DIMINISHED.



.48 HOUR FORECAST LOW 36N46W 1005 MB. WITHIN 300 NM SE QUADRANT 

WINDS TO 25 KT. SEAS TO 8 FT.



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 45N TO 52N 

BETWEEN 44W AND 56W.

.24 HOUR FORECAST DENSE FOG N OF 62N E OF 39W. 

.48 HOUR FORECAST DENSE FOG N OF 60N E OF GREENLAND.



.FORECASTER KREKELER. 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 1800 UTC THU MAY 02.

24 HOUR FORECAST VALID 1800 UTC FRI MAY 03.

48 HOUR FORECAST VALID 1800 UTC SAT MAY 04.



.WARNINGS.



.NONE.



.SYNOPSIS AND FORECAST.



.ATLC WITHIN 31N39W TO 31N49W TO 29N48W TO 28N46W TO 29N43W TO 

30N41W TO 31N49W WINDS 20 KT OR LESS. SEAS 8 FT IN NW SWELL.

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



.ATLC 18 HOUR FORECAST LOW PRES NEAR 22N63W 1013 MB WITH TROUGH 

TO 19N68W. WITHIN 24N62W TO 24N63W TO 24N64W TO 23N64W TO 23N62W 

TO 23N61W TO 24N62W E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 

FT.

.24 HOUR FORECAST LOW PRES NEAR 23N64W 1013 MB WITH TROUGH 

TO 19N68W. LITTLE CHANGE IN CONDITIONS.

.48 HOUR FORECAST LOW PRES ABSORBED BY COLD FRONT FROM 31N49W TO 

24N55W TO 22N57W. WITHIN 30N44W TO 29N45W TO 28N46W TO 28N44W TO

29N43W TO 30N44W SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.



.GULF OF MEXICO 06 HOUR FORECAST WITHIN 21N91W TO 22.5N87W TO 

22N87W TO 23N88W TO 23N91W TO 21N91W E WINDS 20 TO 25 KT. SEAS 

LESS THAN 8 FT.

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

.30 HOUR FORECAST WITHIN 22N91W TO 21N92W TO 19N91W TO 21N90W 

TO 22N87W TO 22N91W N TO NE 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.