FZNT01 KWBC 181010

HSFAT1



HIGH SEAS FORECAST FOR METAREA IV

NWS OCEAN PREDICTION CENTER WASHINGTON DC

1030 UTC WED MAR 18 2026



CCODE/2:31:04:01:00/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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).



FROM APRIL 1 TO OCTOBER 15, DUE TO CLIMATOLOGY, OF THE NORTH

ATLANTIC, HIGH SEAS FORECASTS WILL ONCE AGAIN INCLUDE ALL

FORECASTS OF WINDS 20 TO 30 KNOTS AND SEAS 2.5 METERS OR

GREATER.



SECURITE



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



ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS



SYNOPSIS VALID 0600 UTC MAR 18.

24 HOUR FORECAST VALID 0600 UTC MAR 19.

48 HOUR FORECAST VALID 0600 UTC MAR 20.



.WARNINGS.



...HURRICANE FORCE WIND WARNING...

.LOW 60N62W 944 MB MOVING NE 25 KT. WITHIN 150 NM S OF A LINE

FROM 63N51W TO 60N45W WINDS 55 TO 65 KT. SEAS 5 TO 7.5 M. ALSO

WITHIN 360 NM E SEMICIRCLE...AND WITHIN 540 NM E QUADRANT WINDS

40 TO 55 KT. SEAS 4 TO 6 M. ELSEWHERE N OF A LINE FROM 45N35W TO

31N61W TO 31N70W TO 44N75W WINDS 25 TO 40 KT. SEAS 2.5 TO 7

M...HIGHEST NEAR 41N58W.

.24 HOUR FORECAST LOW WELL N OF AREA. ASSOCIATED CONDITIONS

ABSORBED BY LOW 66N38W DESCRIBED BELOW.



...STORM WARNING...

.24 HOUR FORECAST NEW LOW 66N38W 974 MB. WITHIN 600 NM S QUADRANT

WINDS 35 TO 45 KT. SEAS 4 TO 6.5 M. ELSEWHERE N OF 48N E OF 61W

WINDS 25 TO 35 KT. SEAS 2.5 TO 5.5 M.

.48 HOUR FORECAST LOW E OF AREA NEAR 66N33W 970 MB. N OF 58N E OF

46W WINDS 40 TO 55 KT. SEAS 5 TO 9.5 M. ELSEWHERE N OF A LINE

FROM 52N35W TO 59N55W WINDS 25 TO 40 KT. SEAS 3 TO 6.5 M.



...GALE WARNING...

.LOW E OF AREA NEAR 39N16W 997 MB. S OF 45N E OF 40W WINDS 20 TO

30 KT. SEAS 3 TO 5 M.

.24 HOUR FORECAST LOW E OF AREA NEAR 35N22W 986 MB. S OF 43N E OF

43W WINDS 25 TO 35 KT. SEAS 3 TO 5.5 M.

.48 HOUR FORECAST LOW E OF AREA NEAR 34N19W 984 MB. S OF 42N E OF

42W WINDS 20 TO 30 KT. SEAS 3 TO 5 M.



...GALE WARNING...

.24 HOUR FORECAST NEW LOW 34N66W 1014 MB. WITHIN 180 NM EITHER

SIDE OF A LINE FROM 31N69W TO LOW CENTER TO 40N58W WINDS 20 TO 30

KT. SEAS TO 3.5 M.

.48 HOUR FORECAST LOW 41N56W 1008 MB. WITHIN 300 NM EITHER SIDE

OF A LINE FROM 31N66W TO LOW CENTER TO 48N49W WINDS 25 TO 35 KT.

SEAS 2.5 TO 4.5 M.



...HEAVY FREEZING SPRAY...

.MODERATE TO HEAVY FREEZING SPRAY N OF 64N W OF GREENLAND.

ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 59N W OF 45W.

.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 53N W OF

55W...AND WITHIN THE GULF OF SAINT LAWRENCE. ELSEWHERE LIGHT TO

MODERATE FREEZING SPRAY N OF A LINE FROM 42N70W TO 45N53W TO

57N47W.

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

GREENLAND. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF A LINE

FROM 43N65W TO 50N47W TO 62N35W.



.SYNOPSIS AND FORECAST.



.24 HOUR FORECAST NEW LOW 35N66W 1021 MB. WITHIN 180 NM EITHER

SIDE OF A LINE FROM 31N69W TO LOW CENTER TO 43N46W WINDS 20 TO 30

KT. SEAS 2.5 TO 4 M.

.48 HOUR FORECAST LOW 41N57W 1012 MB. WITHIN 240 NM EITHER SIDE

OF A LINE FROM 31N66W TO LOW CENTER TO 47N49W WINDS 20 TO 30 KT.

SEAS 2.5 TO 4 M.



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 45N TO 57N

BETWEEN 56W AND 40W...AND N OF 59N W OF 40W.

.24 HOUR FORECAST DENSE FOG N OF 59N W OF 45W.

.48 HOUR FORECAST DENSE FOG N OF 63N W OF GREENLAND...AND FROM

42N TO 50N BETWEEN 57W AND 45W.



.FORECASTER BYRD. 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 WED MAR 18.

24 HOUR FORECAST VALID 0600 UTC THU MAR 19.

48 HOUR FORECAST VALID 0600 UTC FRI MAR 20.



.WARNINGS.



.NONE.



.SYNOPSIS AND FORECAST.



.ATLC WITHIN 31N69W TO 31N75W TO 28N77W TO 26N77W TO 26N75W TO

31N69W...INCLUDING ATLANTIC EXPOSURES... WINDS 20 KT OR LESS.

SEAS 2.5 TO 3.0 M IN S SWELL. WITHIN 31N65W TO 31N69W TO 29N71W

TO 27N70W TO 27N66W TO 28N65W TO 31N65W WINDS 20 KT OR LESS.

SEAS 2.5 TO 3.0 M IN SE SWELL.

.24 HOUR FORECAST WITHIN 31N69W TO 31N75W TO 27N79W TO 25N81W TO

25N77W TO 26N74W TO 31N69W...INCLUDING ATLANTIC EXPOSURES... N

TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. WITHIN 31N65W TO

31N68W TO 30N68W TO 30N66W TO 31N65W WINDS 20 KT OR LESS. SEAS

2.5 TO 3.0 M IN E TO SE SWELL.

.48 HOUR FORECAST WITHIN 31N66W TO 31N76W TO 29N81W TO 27N80W TO

25N74W TO 26N71W TO 31N66W...INCLUDING ATLANTIC EXPOSURES... N

TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M IN NE TO E SWELL.

WITHIN 31N59W TO 31N66W TO 29N66W TO 28N64W TO 27N62W TO 31N59W

WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E SWELL.



.ATLC AND CARIBBEAN WITHIN 31N39W TO 31N59W TO 27N70W TO 10N61W

TO 06N54W TO 10N39W TO 31N39W...INCLUDING IN ATLANTIC EXPOSURES

AND PASSAGES... E WINDS 20 TO 25 KT. SEAS 2.5 TO 4.5 M IN NE TO

E SWELL. WITHIN 31N35W TO 31N39W TO 30N38W TO 28N36W TO 27N35W TO

31N35W N TO NE WINDS 20 TO 25 KT. SEAS 4.0 TO 5.5 M IN N SWELL.

.24 HOUR FORECAST WITHIN 31N35W TO 31N41W TO 29N39W TO 26N35W

TO 31N35W N WINDS 20 TO 30 KT. SEAS 5.5 TO 7.0 M IN N SWELL.

WITHIN

26N35W TO 31N41W TO 28N63W TO 19N59W TO 13N46W TO 16N35W TO

26N35W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 4.5 M IN NE SWELL.

WITHIN 16N53W TO 15N60W TO 10N61W TO 08N59W TO 08N43W TO

16N53W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES...WINDS 20

KT OR LESS. SEAS 2.5 TO 3.0 M IN NE SWELL.

.48 HOUR FORECAST WITHIN 31N35W TO 31N43W TO 26N40W TO 25N35W TO

31N35W N TO NE WINDS 20 TO 25 KT. SEAS 4.0 TO 5.5 M IN N TO NE

SWELL. WITHIN 25N35W TO 31N43W TO 28N57W TO 21N60W TO 12N56W TO

12N35W TO 25N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN N TO

NE SWELL.



.CARIBBEAN WITHIN 15N69W TO 17N73W TO 17N76W TO 13N78W TO 11N75W

TO 11N70W TO 15N69W...INCLUDING IN MONA PASSAGE AND THE GULF OF

VENEZUELA...E WINDS 20 TO 25 KT. SEAS 2.5 M.

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

LESS THAN 2.5 M.



.CARIBBEAN AND GULF OF AMERICA WITHIN 24N82W TO 26N84W TO 24N89W

TO 22N90W TO 20N86W TO 22N82W TO 24N82W...INCLUDING STRAITS OF

FLORIDA AND IN YUCATAN CHANNEL... N TO NE WINDS 20 TO 25 KT.

SEAS 2.5 M. WITHIN 21N91W TO 22N93W TO 20N95W TO 19N96W TO

18N95W TO 19N92W TO 21N91W...INCLUDING WITHIN 60 NM OF COAST OF

VERACRUZ AND WITHIN 60 NM OF COAST OF CAMPECHE... WINDS 20 KT OR

LESS. SEAS 2.5 M IN N SWELL.

.15 HOUR FORECAST CONDITIONS IMPROVE. 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 RAMOS. NATIONAL HURRICANE CENTER.



$$