Bulletinset for METAREA 4
Edition date (UTC): 2026-03-20 14:26:15
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HIGH SEAS FORECAST
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FZNT01 KWBC 200958

HSFAT1



HIGH SEAS FORECAST FOR METAREA IV

NWS OCEAN PREDICTION CENTER WASHINGTON DC

1030 UTC FRI MAR 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).



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 20.

24 HOUR FORECAST VALID 0600 UTC MAR 21.

48 HOUR FORECAST VALID 0600 UTC MAR 22.



.WARNINGS.



...STORM WARNING...

.LOW E OF AREA NEAR 67N32W 967 MB MOVING NE 20 KT. N OF 59N E OF

40W WINDS 40 TO 55 KT. SEAS 6 TO 9 M. ELSEWHERE N OF 56N E OF 45W

WINDS 25 TO 40 KT. SEAS 3 TO 6 M.

.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS WELL NE OF AREA.



...STORM WARNING...

.24 HOUR FORECAST NEW LOW E OF AREA NEAR 67N32W 982 MB. N OF 62N

E OF 40W WINDS 40 TO 50 KT. SEAS 3 TO 5 M. ELSEWHERE N OF 59N E

OF 45W WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M.

.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS WELL NE OF AREA.



...STORM WARNING...

.48 HOUR FORECAST NEW LOW E OF AREA NEAR 65N32W 985 MB. FROM 58N

TO 62N E OF 40W WINDS 40 TO 50 KT. SEAS 3 TO 6.5 M. ELSEWHERE N

OF 57N E OF 41W WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M.



...GALE WARNING...

.LOW 43N54W 1009 MB MOVING NE 40 KT. WITHIN 300 NM EITHER SIDE OF

A LINE FROM 31N67W TO LOW CENTER TO 47N46W WINDS 25 TO 35 KT.

SEAS 2.5 TO 4.5 M.

.24 HOUR FORECAST LOW 55N35W 991 MB. WITHIN 240 NM EITHER SIDE OF

A LINE FROM LOW CENTER TO 38N54W...WITHIN 240 NM N

SEMICIRCLE...AND WITHIN 420 NM SE...AND 360 NM SW QUADRANTS WINDS

25 TO 40 KT. SEAS 2.5 TO 5 M.

.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS WELL E OF AREA.



...GALE WARNING...

.24 HOUR FORECAST NEW LOW 33N62W 1006 MB. WITHIN 300 NM EITHER

SIDE OF A LINE FROM 31N64W TO LOW CENTER TO 38N54W WINDS 25 TO 35

KT. SEAS 2.5 TO 4 M.

.48 HOUR FORECAST LOW 42N54W 998 MB. WITHIN 300 NM EITHER SIDE OF

A LINE FROM 31N60W TO LOW CENTER...AND WITHIN 300 NM N SEMICIRCLE

WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M.



...HEAVY FREEZING SPRAY WARNING...

.MODERATE TO HEAVY FREEZING SPRAY N OF 61N W OF GREENLAND.

ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF A LINE FROM

44N67W TO 46N50W TO 60N40W.

.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 62N W OF

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

FROM 44N65W TO 47N51W TO 60N35W.

.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 62N W OF

55W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF A LINE FROM

46N64W TO 48N51W TO 61N35W.



.SYNOPSIS AND FORECAST.



.S OF 42N E OF 43W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M IN N

SWELL.

.24 HOUR FORECAST S OF 38N E OF 40W WINDS TO 25 KT. SEAS 2.5 TO 4

M.

.48 HOUR FORECAST CONDITIONS DIMINISHED.



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 50N

BETWEEN 56W AND 42W.

.24 HOUR FORECAST DENSE FOG FROM 52N TO 59N E OF 42W.

.48 HOUR FORECAST DENSE FOG FROM 41N TO 48N BETWEEN 54W AND

43W...AND FROM 47N TO 56N BETWEEN 61W AND 48W.



.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 FRI MAR 20.

24 HOUR FORECAST VALID 0600 UTC SAT MAR 21.

48 HOUR FORECAST VALID 0600 UTC SUN MAR 22.



.WARNINGS.



.NONE.



.SYNOPSIS AND FORECAST.



.ATLC WITHIN 31N67W TO 31N75W TO 29N80W TO 27N80W TO 24N77W TO

26N71W TO 31N67W...INCLUDING ATLANTIC EXPOSURES...N TO NE WINDS

20 TO 25 KT. SEAS 2.5 TO 3.0 M. WITHIN 31N59W TO 31N67W TO

25N70W TO 24N67W TO 26N65W TO 26N60W TO 31N59W S WINDS 20 TO 25

KT. SEAS 2.5 TO 3.0 M.

.24 HOUR FORECAST WITHIN 31N65W TO 31N77W TO 27N78W TO 24N73W

TO 26N68W TO 31N65W...INCLUDING ATLANTIC EXPOSURES...N WINDS 20

TO 25 KT. SEAS 2.5 TO 3.0 M. WITHIN 31N56W TO 31N65W TO 25N67W

TO 27N58W TO 31N56W S TO SW WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.

.48 HOUR FORECAST WITHIN 31N59W TO 31N66W TO 25N74W TO 22N74W TO

21N68W TO 24N64W TO 31N59W...INCLUDING ATLANTIC EXPOSURES...N

WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. WITHIN 31N52W TO 31N59W TO

26N63W TO 23N64W TO 26N57W TO 31N52W S TO SW WINDS 20 TO 30 KT.

SEAS 2.5 TO 3.0 M.



.ATLC WITHIN 26N35W TO 31N43W TO 25N61W TO 17N59W TO 10N46W TO

13N35W TO 26N35W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 4.5 M IN

N TO NE SWELL. WITHIN 31N35W TO 31N43W TO 27N42W TO 25N37W TO

26N35W TO 31N35W N TO NE WINDS 20 TO 25 KT. SEAS 4.0 TO 5.5 M IN

N TO NE SWELL.

.24 HOUR FORECAST WITHIN 31N35W TO 31N45W TO 19N51W TO 13N58W TO

07N50W TO 07N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5

M IN N TO NE SWELL.

.48 HOUR FORECAST WITHIN 31N35W TO 31N41W TO 20N50W TO 07N51W TO

07N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN N TO

NE SWELL.



.CARIBBEAN WITHIN 22N79W TO 22N81W TO 21N82W TO 19N82W TO 19N81W

TO 20N80W TO 22N79W N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN

2.5 M. WITHIN 15N81W TO 15N82W TO 14N84W TO 11N84W TO 11N82W TO

11N81W TO 15N81W...INCLUDING WITHIN 60 NM OF COAST OF

NICARAGUA...NW TO N WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.

.24 HOUR FORECAST WITHIN 20N77W TO 20N79W TO 20N80W TO 19N80W TO

19N78W TO 19N77W TO 20N77W...INCLUDING BETWEEN CUBA AND

JAMAICA...N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.

WITHIN 14N82W TO 14N83W TO 12N84W TO 11N83W TO 13N82W TO

14N82W...INCLUDING WITHIN 60 NM OF COAST OF NICARAGUA...N WINDS

20 TO 25 KT. SEAS LESS THAN 2.5 M.

.48 HOUR FORECAST WITHIN 20N76W TO 20N77W TO 20N78W TO 20N79W

TO 19N79W TO 19N78W TO 20N76W...INCLUDING BETWEEN CUBA AND

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

19N74W TO 19N75W TO 18N76W TO 17N77W TO 17N75W TO

19N74W N TO NE WINDS 20 TO 25 KT. 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.



$$