####018004654####
FZNT01 KWBC 041606

HSFAT1



HIGH SEAS FORECAST FOR METAREA IV

NWS OCEAN PREDICTION CENTER WASHINGTON DC

1630 UTC SAT MAY 04 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 04. 

24 HOUR FORECAST VALID 1200 UTC MAY 05.

48 HOUR FORECAST VALID 1200 UTC MAY 06.



.WARNINGS.



...GALE WARNING... 

.LOW 60N43W 1010 MB NEARLY STATIONARY. WITHIN 240 NM S...AND 300

NM SW AND  W QUADRANTS WINDS 35 TO 45 KT. SEAS 12 TO 20 FT.

ELSEWHERE FROM 55N TO 60N E OF 50W...AND FROM 55N TO 66N BETWEEN

45W AND 56W WINDS 20 TO 30 KT. SEAS 8 TO 16 FT.

.24 HOUR FORECAST LOW 60N43W 1007 MB. WITHIN 360 NM S AND 300 NM

SW QUADRANTS...AND BETWEEN GREENLAND AND A LINE FROM 60N53W TO

65N56W WINDS 25 TO 35 KT. SEAS 9 TO 17 FT.

.48 HOUR FORECAST LOW 61N41W 1002 MB. E OF A LINE FROM 56N40W TO

60N50W...AND BETWEEN GREENLAND AND A LINE FROM 60N50W TO 65N58W

TO 67N58W WINDS TO 25 KT. SEAS 8 TO 13 FT...HIGHEST NEAR 58N37W.



...GALE WARNING... 

.LOW 64N35W 996 MB MOVING SE 10 KT. N OF 61N E OF 40W WINDS 25 TO

40 KT. SEAS 8 TO 13 FT.

.24 HOUR FORECAST LOW E OF AREA NEAR 62N31W 995 MB. N OF 58N E OF

39W WINDS 25 TO 35 KT. SEAS TO 11 FT. 

.48 HOUR FORECAST LOW WELL E OF AREA. N OF 61N E OF 38W WINDS TO

25 KT. SEAS LESS THAN 8 FT.



...GALE WARNING... 

.LOW 44N42W 1000 MB MOVING SW 10 KT. WITHIN 300 NM N SEMICIRCLE

WINDS 25 TO 35 KT. SEAS 9 TO 19 FT...HIGHEST N OF CENTER.

ELSEWHERE FROM 30N TO 50N E OF 50W...AND FROM 36N TO 48N BETWEEN

50W AND 65W WINDS 20 TO 30 KT. SEAS 8 TO 13 FT...EXCEPT SEAS TO 9

FT W OF 50W.

.24 HOUR FORECAST LOW 40N45W 1000 MB. WITHIN 600 NM W...480 NM

NW...600 NM NE...AND 480 NM SE QUADRANTS WINDS 25 TO 40 KT. SEAS

9 TO 17 FT.

.48 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 38N42W 996 MB. WITHIN

360 NM W AND NW...480 NM N...AND 720 NM NE QUADRANTS WINDS 30 TO

45 KT. SEAS 9 TO 21 FT...HIGHEST NEAR 41N45W. ELSEWHERE S OF A

LINE FROM 49N35W TO 48N40W TO 41N47W WINDS 20 TO 30 KT. SEAS 8 TO

16 FT.



.SYNOPSIS AND FORECAST.



.LOW 36N50W 1006 MB MOVING NE 20 KT. FROM 31N TO 37N BETWEEN 40W

AND 53W WINDS TO 25 KT. SEAS LESS THAN 8 FT.

.24 HOUR FORECAST LOW 41N43W 1002 MB. CONDITIONS DESCRIBED WITH

LOW 40N45W IN WARNINGS SECTIONS ABOVE.



.48 HOUR FORECAST LOW 47N59W 1000 MB. W OF A LINE FROM 46N60W TO

53N50W TO 62N60W WINDS TO 25 KT. SEAS LESS THAN 8 FT.



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 63N E OF 39W. 

.24 HOUR FORECAST DENSE FOG N OF 63N E OF 38W...AND SW OF A LINE

FROM 57N55W TO 62N55W.

.48 HOUR FORECAST DENSE FOG SW OF A LINE FROM 57N52W TO 61N55W.



.LIGHT TO MODERATE FREEZING SPRAY N OF 60N W OF 50W. 

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

50W. 

.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 61N W OF

50W.



.FORECASTER EHRBAR. OCEAN PREDICTION CENTER.



NWS NATIONAL HURRICANE CENTER MIAMI FL



ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND

GULF OF MEXICO



SYNOPSIS VALID 1200 UTC SAT MAY 4.

24 HOUR FORECAST VALID 1200 UTC SUN MAY  5.

48 HOUR FORECAST VALID 1200 UTC MON MAY  6.



.WARNINGS.



.NONE.



.SYNOPSIS AND FORECAST.



.ATLC WITHIN 10N44W TO 10N48W TO 09N50W TO 07N49W TO 07N44W TO

10N44W WINDS 20 KT OR LESS. SEAS 8 FT IN NE TO E SWELL.

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

LESS THAN 8 FT.



.GULF OF MEXICO 12 HOUR FORECAST WITHIN 22N88.5W TO 22N89.5W TO

21.5N89.5W TO 21.5N88.5W TO 22N88.5W E WINDS 20 TO 25 KT. SEAS

LESS THAN 8 FT.

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

LESS THAN 8 FT.

.24 HOUR FORECAST LITTLE CHANGE. 

.36 HOUR FORECAST WITHIN 22N88W TO 22N89W TO 22N90W TO 21N89W TO

22N88W 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 AREINHART. NATIONAL HURRICANE CENTER.



$$

####018006411####
FZPN01 KWBC 041606

HSFEP1



HIGH SEAS FORECAST 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

1630 UTC SAT MAY 04 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 1200 UTC MAY 04. 

24 HOUR FORECAST VALID 1200 UTC MAY 05. 

48 HOUR FORECAST VALID 1200 UTC MAY 06. 



.WARNINGS. 



...GALE WARNING... 

.LOW 58N167W 984 MB MOVING E 20 KT. FROM 46N TO 53N BETWEEN 163W 

AND 177W AND W OF A LINE FROM 64N168W TO 57N174W WINDS 25 TO 40 

KT. SEAS 11 TO 20 FT...EXCEPT N OF 57N SEAS 9 TO 14 FT. 

ELSEWHERE WITHIN 300 NM SE...840 NM S AND SE AND 720 NM NW 

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

.24 HOUR FORECAST LOW 58N151W 989 MB. FROM 47N TO 55N BETWEEN 

144W AND 166W...AND N OF 59N BETWEEN 168W AND 175W WINDS 25 TO 

35 KT. SEAS 10 TO 20 FT...EXCEPT N OF 59N SEAS TO 10 FT. 

ELSEWHERE WITHIN 960 NM SW SEMICIRCLE AND 600 NM SE QUADRANT 

WINDS 20 TO 30 KT. SEAS 8 TO 13 FT...HIGHEST S OF 55N.

.48 HOUR FORECAST LOW 57N143W 996 MB. WITHIN 840 NM SW 

SEMICIRCLE AND N OF 58N W OF 165W WINDS 20 TO 30 KT. SEAS 8 TO 

17 FT...EXCEPT SEAS TO 9 FT IN BERING SEA.



...GALE WARNING...

.LOW 35N167E 1013 MB MOVING NE 20 KT. FROM 34N TO 40N BETWEEN 

180W AND 166E WINDS TO 25 KT. SEAS TO 10 FT. 

.24 HOUR FORECAST LOW 40N176E 1013 MB. FROM 38N TO 44N BETWEEN 

174W AND 176E AND WITHIN 300 NM S QUADRANT WINDS 20 TO 30 KT. 

SEAS TO 10 FT.

.48 HOUR FORECAST LOW 46N171W 1003 MB. WITHIN 180 NM SW 

SEMICIRCLE WINDS 25 TO 35 KT. SEAS 9 TO 15 FT. ELSEWHERE FROM 

39N TO 49N BETWEEN 160W AND 178W WINDS 20 TO 30 KT. SEAS TO 11 

FT.  



...HEAVY FREEZING SPRAY WARNING...

.LIGHT TO MODERATE FREEZING SPRAY N OF 59N W OF 174W. 

.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF A LINE 

FROM 59N173W TO 60N178W. ELSEWHERE LIGHT TO MODERATE FREEZING 

SPRAY N OF A LINE FROM 58N168W TO 59N180W.

.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 59N W OF 

167W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 57N W OF 

163W. 



.SYNOPSIS AND FORECAST. 



.COMPLEX LOW WITH MAIN CENTER 49N124W 1001 MB MOVING SE 15 KT. 

WITHIN 540 NM W AND SW QUADRANTS AND FROM 34N TO 44N BETWEEN 

124W AND 141W WINDS 20 TO 30 KT. SEAS TO 11 FT...HIGHEST NEAR 

41N139W.

.24 HOUR FORECAST COMBINED LOW INLAND NEAR 46N117W 994 MB. FROM 

32N TO 47N E OF 130W AREA OF W TO NW WINDS TO 25 KT. SEAS TO 9 

FT.

.48 HOUR FORECAST LOW WELL INLAND. ASSOCIATED CONDITIONS 

DIMINISHED.



.LOW 58N152W 992 MB MOVING N 10 KT. N OF 50N BETWEEN 143W AND 

158W WINDS TO 25 KT. SEAS TO 10 FT...HIGHEST NEAR 52N153W.

.24 HOUR FORECAST LOW INLAND AND CONDITIONS AS DESCRIBED WITH 

LOW 58N151W IN WARNINGS SECTION.



.LOW 48N160E 1008 MB MOVING NE 10 KT. FROM 44N TO 51N W OF 168E 

WINDS TO 25 KT. SEAS TO 10 FT. 

.24 HOUR FORECAST LOW 49N165E 1012 MB. WITHIN 300 NM OF CENTER 

WINDS TO 25 KT. SEAS TO 8 FT. 

.48 HOUR FORECAST LOW 50N168E 1010 MB. WITHIN 360 NM W AND SW 

SEMICIRCLES WINDS 20 TO 30 KT. SEAS TO 10 FT.



.48 HOUR FORECAST FROM 30N TO 36N E OF 123W AREA OF NW WINDS 20 

TO 30 KT. SEAS TO 10 FT.  



.48 HOUR FORECAST FROM 30N TO 34N W OF 167E AREA OF NE WINDS 20 

TO 30 KT. SEAS TO 9 FT. 



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 35N TO 41N E 

OF 124W...N OF 56N BETWEEN 154W AND 177W...AND N OF 48N W OF 

167E.

.24 HOUR FORECAST DENSE FOG N OF 57N BETWEEN 165W AND 170W...AND 

FROM 48N TO 52N W OF 175E. 

.48 HOUR FORECAST DENSE FOG FROM 45N TO 49N BETWEEN 160W AND 

178W...AND FROM 47N TO 53N W OF 178E. 



.FORECASTER BANCROFT. 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 1200 UTC SAT MAY 04.

24 HOUR FORECAST VALID 1200 UTC SUN MAY 05.

48 HOUR FORECAST VALID 1200 UTC MON MAY 06.



.WARNINGS.



.NONE.



.SYNOPSIS AND FORECAST.



.WITHIN 13N136W TO 14N138W TO 13N140W TO 10N140W TO 10N139W TO

11N137W TO 13N136W NE WINDS 20 TO 25 KT. SEAS 9 TO 10 FT.

ELSEWHERE WITHIN 21N140W TO 06N140W TO 08N133W TO 11N130W TO 

21N140W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE WIND WAVES

MIXED WITH N TO NE SWELL.

.24 HOUR FORECAST WITHIN 12N128W TO 14N136W TO 21N140W TO 

05N140W TO 05N131W TO 08N126W TO 12N128W WINDS 20 KT OR LESS. 

SEAS 8 TO 9 FT IN NE WIND WAVES MIXED WITH N TO NE SWELL.

.48 HOUR FORECAST WITHIN 16N133W TO 19N140W TO 09N140W TO 

11N135W TO 16N133W WINDS 20 KT OR LESS. SEAS 8 FT IN N TO NE 

SWELL.



.WITHIN 01N105W TO 03N115W TO 00N122W TO 03.4S120W TO 03.4S99W

TO 01N105W WINDS 20 KT OR LESS. SEAS 8 FT IN SE TO S SWELL.

.24 HOUR FORECAST WITHIN 02N111W TO 04N122W TO 00N124W TO

03.4S120W TO 03.4S102W TO 02N111W WINDS 20 KT OR LESS. SEAS

8 TO 9 FT IN S TO SW SWELL.

.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS TNAN 8 FT.



.15 HOUR FORECAST WITHIN 31N113W TO 31N115W TO 30N115W TO

30N114W TO 30N113W TO 31N113W...INCLUDING THE GULF OF

CALIFORNIA...S TO SW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

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

.36 HOUR FORECAST WITHIN 31N113W TO 31N115W TO 30N115W TO

30N114W TO 30N113W TO 31N113W...INCLUDING THE GULF OF

CALIFORNIA...S TO SW 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.



CONVECTION VALID AT 1530 UTC SAT MAY 04...



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

THE MONSOON TROUGH EXTENDS FROM 07N78W TO 14N94W TO 10N102W TO

08N110W. THE ITCZ EXTENDS FROM 08N110W TO 08N122W TO 06N132W

TO 06N140W. SCATTERED MODERATE TO STRONG WITHIN 30 NM S OF THE 

ITCZ BETWEEN 126W AND 130W. SCATTERED MODERATE WITHIN 30 NM OF 

THE ITCZ BETWEEN 115W AND 117W AND WITHIN 60 NM S OF THE ITCZ 

BETWEEN 133W AND 135W.



$$

.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.