METAREA 4 bulletinset


HIGH SEAS FORECAST
FZNT01 KWBC 200420

HSFAT1

HIGH SEAS FORECAST FOR METAREA IV

NWS OCEAN PREDICTION CENTER WASHINGTON DC

0430 UTC TUE JAN 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

SECURITE

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

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 0000 UTC JAN 20.

24 HOUR FORECAST VALID 0000 UTC JAN 21.

48 HOUR FORECAST VALID 0000 UTC JAN 22.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...

.LOW 50N49W 977 MB MOVING E 50 KT. WITHIN 180 NM OF

CENTER...EXCEPT WITHIN 360 NM SE QUADRANT WINDS 40 TO 55 KT. SEAS

5 TO 8 M. ELSEWHERE FROM 34N TO 54N E OF 58W WINDS 25 TO 40 KT.

SEAS 3 TO 7 M...HIGHEST NEAR LOW CENTER.

.12 HOUR FORECAST LOW 52N36W 976 MB. BETWEEN 120 NM AND 360 NM SW

SEMICIRCLE WINDS 55 TO 65 KT. SEAS 7 TO 10 M.

.24 HOUR FORECAST LOW WELL E OF AREA. FROM 37N TO 54N E OF 43W

WINDS TO 25 KT. SEAS 3 TO 7 M.

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

...STORM WARNING...

.LOW 50N75W 1000 MB MOVING NE 30 KT. WITHIN 900 NM S QUADRANT

WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.

.24 HOUR FORECAST LOW 54N56W 990 MB. W OF A LINE FROM 33N54W TO

52N41W TO 62N60W WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M.

.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER 57N45W 975 MB.

WITHIN 480 NM S OF A LINE FROM 56N56W TO 55N35W WINDS 40 TO 50

KT. SEAS 4 TO 8.5 M. ELSEWHERE FROM 38N TO 60N E OF 62W WINDS 25

TO 40 KT. SEAS 2.5 TO 5.5 M.

...GALE WARNING...

.LOW 60N39W 992 MB NEARLY STATIONARY. WITHIN 180 NM S OF A LINE

FROM 60N35W TO LOW CENTER TO 62N50W WINDS 25 TO 40 KT. SEAS 2.5

TO 5.5 M.

.24 HOUR FORECAST LOW 60N41W 992 MB. WITHIN 180 NM OF CENTER

WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.

.48 HOUR FORECAST LOW DISSIPATED. ASSOCIATED CONDITIONS

DIMINISHED.

...GALE WARNING...

.LOW 63N38W 990 MB MOVING SW 15 KT. WITHIN 180 NM NW SEMICIRCLE

WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M.

.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS ABSORBED BY LOW

60N41W DESCRIBED ABOVE.

...GALE WARNING...

.48 HOUR FORECAST NEW LOW 63N38W 988 MB. WITHIN 180 NM N

SEMICIRCLE WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M.

...HEAVY FREEZING SPRAY WARNING...

.MODERATE TO HEAVY FREEZING SPRAY N OF A LINE FROM 55N58W TO

65N51W. ELSEWHERE MODERATE TO HEAVY FREEZING SPRAY N OF A LINE

FROM 45N64W TO 60N43W.

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

FROM 55N58W TO 65N51W...AND WITHIN THE GULF OF SAINT LAWRENCE.

ELSEWHERE MODERATE TO HEAVY FREEZING SPRAY N OF A LINE FROM

45N64W TO 60N43W.

.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY FROM 48N TO

54N W OF 51W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY FROM 47N

TO 57N W OF 45W...AND N OF 57N W OF 56W.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM 48N TO 53N BETWEEN

37W AND 60W.

.24 HOUR FORECAST DENSE FOG FROM 51N TO 59N W OF 45W.

.48 HOUR FORECAST DENSE FOG FROM 54N TO 56N W OF 48W...AND N OF

60N W OF 57W.

.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 0000 UTC TUE JAN 20.

24 HOUR FORECAST VALID 0000 UTC WED JAN 21.

48 HOUR FORECAST VALID 0000 UTC THU JAN 22.

.WARNINGS.

...CARIBBEAN GALE WARNING...

.WITHIN 11.5N74W TO 11.5N74.5W TO 11.5N75W TO 11N75W

TO 11N74.5W TO 11.5N74W NE TO E WINDS 30 TO 35 KT. SEAS 2.5 TO

3.0 M. ELSEWHERE WITHIN 16N71W TO 16N77W TO 15N80W TO 11N81W TO

10N76W TO 11N70W TO 16N71W...INCLUDING THE GULF OF VENEZUELA...NE

TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.

.12 HOUR FORECAST WITHIN 13N74W TO 13N76W TO 12N78W TO 11N78W TO

10N77W TO 12N73W TO 13N74W NE TO E WINDS 20 TO 30 KT. SEAS 2.5

TO 3.5 M. ELSEWHERE WITHIN 15N72W TO 16N75W TO 14N80W TO 11N82W

TO 09N77W TO 13N72W TO 15N72W WINDS 20 KT OR LESS. SEAS 2.5 TO

3.0 M IN NE TO E SWELL.

.24 HOUR FORECAST WITHIN 11N74W TO 12N75W TO 11N75W TO 11N74W NE

WINDS 30 TO 35 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 14N75W TO

15N81W TO 12N82W TO 09N80W TO 09N77W TO 12N73W TO 14N75W NE

WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.

.36 HOUR FORECAST WITHIN 12N74W TO 13N77W TO 12N78W TO 11N78W TO

10N77W TO 11N74W TO 12N74W NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5

M. ELSEWHERE WITHIN 13N75W TO 15N77W TO 12N81W TO 10N80W TO

09N77W TO 11N78W TO 13N75W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M

IN NE TO E SWELL.

.48 HOUR FORECAST WITHIN 13N71W TO 13N74W TO 13N76W TO 10N77W TO

11N74W TO 11N70W TO 13N71W...INCLUDING THE GULF OF VENEZUELA...

NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 17N65W

TO 18N65W TO 16N70W TO 16N75W TO 14N77W TO 13N75W TO 17N65W WINDS

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

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 26N74W TO 26N76W TO 26N77W TO 24N77W TO 24N75W TO

25N74W TO 26N74W...INCLUDING ATLANTIC EXPOSURES...N TO NE WINDS

20 TO 25 KT. SEAS LESS THAN 2.5 M.

.24 HOUR FORECAST WITHIN 27N71W TO 28N70W TO 26N77W TO 27N80W TO

23N80W TO 23N75W TO 27N71W...INCLUDING ATLANTIC EXPOSURES...NE

WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.

.48 HOUR FORECAST WITHIN 31N57W TO 31N70W TO 27N78W TO 24N73W TO

31N57W...INCLUDING ATLANTIC EXPOSURES...E WINDS 20 TO 25 KT.

SEAS 2.5 TO 3.0 M.

.ATLC 24 HOUR FORECAST WITHIN 21N71W TO 21N72W TO 21N73W TO

20N73W TO 20N72W TO 20N71W TO 21N71W E WINDS 20 TO 25 KT. SEAS

LESS THAN 2.5 M.

.48 HOUR FORECAST LITTLE CHANGE.

.ATLC WITHIN 28N35W TO 29N55W TO 23N65W TO 15N61W

TO 07N45W TO 07N35W TO 28N35W...INCLUDING IN ATLANTIC EXPOSURES

AND PASSAGES...E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.5 M.

.24 HOUR FORECAST WITHIN 27N35W TO 27N57W TO 22N66W TO 07N47W TO

07N35W TO 27N35W...INCLUDING IN ATLANTIC EXPOSURES AND

PASSAGES...NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.5 M IN NE

TO E SWELL.

.48 HOUR FORECAST WITHIN 25N35W TO 27N55W TO 22N72W TO 06N50W TO

08N35W TO 25N35W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES

AND ATLANTIC EXPOSURES...NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO

3.5 M.

.ATLC 24 HOUR FORECAST WITHIN 20N73W TO 21N74W TO

20N75W TO 19N75W TO 20N73W NE WINDS 20 TO 25 KT. SEAS LESS THAN

2.5 M.

.48 HOUR FORECAST LITTLE CHANGE.

.CARIBBEAN WITHIN 20N82W TO 22N86W TO 18N88W TO 16N88W TO 17N83W

TO 20N82W...INCLUDING IN YUCATAN CHANNEL AND THE GULF OF

HONDURAS...N TO NE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.

.24 HOUR FORECAST WITHIN 18N84W TO 18N87W TO 17N88W TO 16N88W TO

16N87W TO 17N84W TO 18N84W...INCLUDING THE GULF OF HONDURAS...N

TO NE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. WITHIN 21N79W TO

22N83W

TO 21N85W TO 20N85W TO 20N82W TO 20N80W TO 21N79W NE WINDS 20 TO

25 KT. SEAS LESS THAN 2.5 M.

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

LESS THAN 2.5 M.

.GULF OF AMERICA 12 HOUR FORECAST WITHIN 25N81W TO 24N83W TO

23N82W TO 23N81W TO 25N81W...INCLUDING STRAITS OF FLORIDA...N

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

.24 HOUR FORECAST WITHIN 27N82W TO 27N85W TO 25N88W TO 22N85W TO

23N81W TO 27N82W...INCLUDING STRAITS OF FLORIDA...NE TO E WINDS

20 TO 25 KT. SEAS TO 2.5 M. WITHIN 21N90W TO 22N91W TO

21N92W TO 20N92W TO 19N91W TO 20N91W TO 21N90W...INCLUDING

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

LESS THAN 2.5 M.

.48 HOUR FORECAST WITHIN 24N83W TO 24N84W TO 23N84W TO 23N83W TO

24N82W TO 24N83W...INCLUDING STRAITS OF FLORIDA...NE TO E WINDS

20 TO 25 KT. SEAS 2.5 M.

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

.FORECASTER ERA. NATIONAL HURRICANE CENTER.

$$