FZNT01 KWBC 210946

HSFAT1



HIGH SEAS FORECAST FOR METAREA IV

NWS OCEAN PREDICTION CENTER WASHINGTON DC

1030 UTC SUN JUN 21 2026



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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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).



FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE 

THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM).



SECURITE



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



ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS



SYNOPSIS VALID 0600 UTC JUN 21. 

24 HOUR FORECAST VALID 0600 UTC JUN 22.

48 HOUR FORECAST VALID 0600 UTC JUN 23.



.WARNINGS.



...GALE WARNING... 

.COMPLEX LOW WITH MAIN CENTER 50N46W 990 MB MOVING NE 05 KT.

WITHIN 300 NM NE AND 480 NM E QUADRANTS WINDS 25 TO 40 KT. SEAS

2.5 TO 4.5 M. ELSEWHERE FROM 33N TO 55N BETWEEN 35W AND 66W WINDS

20 TO 30 KT. SEAS TO 4 M.

.24 HOUR FORECAST LOW 53N44W 991 MB WITH OTHER CENTERS

DISSIPATED. FROM 46N TO 60N BETWEEN 35W AND 50W WINDS 20 TO 30

KT. SEAS 2.5 TO 4.5 M. ELSEWHERE FROM 38N TO 58N E OF 56W WINDS

LESS THAN 25 KT. SEAS TO 3 M. 

.48 HOUR FORECAST LOW 58N35W 1001 MB. FROM 45N TO 60N E OF 44W

WINDS TO 25 KT. SEAS TO 3.5 M.



.SYNOPSIS AND FORECAST.



.24 HOUR FORECAST LOW 64N56W 1006 MB. FROM 60N TO 66N W OF 50W

WINDS TO 25 KT. SEAS TO 3 M.

.48 HOUR FORECAST LOW 61N54W 1009 MB. WITHIN 300 NM W SEMICIRCLE

WINDS TO 25 KT. SEAS TO 2.5 M.



.48 HOUR FORECAST FROM 31N TO 42N W OF 69W WINDS TO 25 KT. SEAS

LESS THAN 2.5 M.



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 43N TO 53N

BETWEEN 38W AND 57W AND N OF 64N W OF GREENLAND.

.24 HOUR FORECAST DENSE FOG FROM 54N TO 56N E OF 46W AND FROM 62N

TO 67N BETWEEN 51W AND 62W.

.48 HOUR FORECAST DENSE FOG FROM 57N TO 59N E OF 40W AND FROM 42N

TO 45N W OF 65W.



.FORECASTER JOSEPH. OCEAN PREDICTION CENTER.



NWS NATIONAL HURRICANE CENTER MIAMI FL



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

GULF OF AMERICA



SYNOPSIS VALID 0600 UTC SUN JUN 21.

24 HOUR FORECAST VALID 0600 UTC MON JUN 22.

48 HOUR FORECAST VALID 0600 UTC TUE JUN 23.



.WARNINGS.



.NONE.



.SYNOPSIS AND FORECAST.



.ATLC WITHIN 15N55W TO 16N57W TO 16N59W TO 13N59W TO 13N57W TO

14N55W TO 15N55W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN E SWELL.

.24 HOUR FORECAST WITHIN 13N49W TO 16N55W TO 17N61W TO 11N60W TO

10N54W TO 08N51W TO 13N49W...INCLUDING IN ATLC EXPOSURES...WINDS

20 KT OR LESS. SEAS 2.5 TO 3 M IN E SWELL.

.48 HOUR FORECAST WITHIN 15N51W TO 16.5N59W TO 13N61W TO 10N60W 

TO 08N53W TO 09N42W TO 14N43W TO 15N51W...INCLUDING IN ATLC 

EXPOSURES AND PASSAGES...WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN 

E SWELL.



.ATLC WITHIN 20.5N70.5W TO 20.5N71W TO 20.5N72W TO 20N72W TO 

20N71.5W TO 20N70.5W TO 20.5N70.5W WINDS 20 KT OR LESS. SEAS LESS

THAN 2.5 M.

.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

.18 HOUR FORECAST WITHIN 20.5N70.5W TO 20.5N71W TO 20.5N72W TO 

20N72W TO 20N71.5W TO 20N70.5W TO 20.5N70.5W E WINDS 20 TO 25 KT.

SEAS LESS THAN 2.5 M.

.24 HOUR FORECAST LITTLE CHANGE...EXCEPT SEAS TO 2.5 M.

.48 HOUR FORECAST LITTLE CHANGE.



.CARIBBEAN WITHIN 14N71W TO 16N76W TO 13N79W TO 11N76W TO 11N70W

TO 14N71W...INCLUDING IN THE GULF OF VENEZUELA...E WINDS 20 TO 

25 KT. SEAS 2.5 TO 3 M...EXCEPT LESS THAN 2.5 M IN THE GULF OF 

VENEZUELA.

.24 HOUR FORECAST WITHIN 15N68W TO 18N72W TO 14.5N76W TO 11N76W 

TO 12N71W TO 11N70W TO 11N65W TO 15N68W...INCLUDING IN THE GULF 

OF VENEZUELA...NE TOE WINDS 20 TO 25 KT EXCEPT 25 TO 30 KT FROM 

11N TO 13N BETWEEN 74W AND 76W. SEAS 2.5 TO 3 M...EXCEPT LESS 

THAN 2.5 M IN THE GULF OF VENEZUELA.

.48 HOUR FORECAST WITHIN 14.5N68W TO 18N72W TO 17N78W TO 12N80W 

TO 11N76W TO 12N72W TO 11N70W TO 14.5N68W...INCLUDING IN THE GULF

OF VENEZUELA...NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M 

OUTSIDE THE GULF OF VENEZUELA...HIGHEST NEAR 12N75W.



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

TO 17N85W E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.

.24 HOUR FORECAST WITHIN 17N85W TO 17N86W TO 17N88W TO 16N86W TO

16N85W TO 17N85W...INCLUDING IN THE GULF OF HONDURAS...E TO SE 

WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.

.48 HOUR FORECAST LITTLE CHANGE.



.GULF OF AMERICA 18 HOUR FORECAST WITHIN 23N88W TO 24N90W TO 

21N92W TO 20N92W TO 20N91W TO 21N90W TO 23N88W...INCLUDING WITHIN

60 NM OF COAST OF CAMPECHE...NE TO E WINDS 20 TO 25 KT. SEAS 

LESS THAN 2.5 M.

.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

.42 HOUR FORECAST WITHIN 23N88W TO 24N90W TO 21N92W TO 20N92W TO

20N91W TO 21N90W TO 23N88W...INCLUDING WITHIN 60 NM OF COAST OF 

CAMPECHE...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.

.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.



.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.







.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.



$$