METAREA 4 bulletinset


HIGH SEAS FORECAST
FZNT01 KWBC 282132

HSFAT1

HIGH SEAS FORECAST FOR METAREA IV

NWS OCEAN PREDICTION CENTER WASHINGTON DC

2230 UTC SUN DEC 28 2025

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC DEC 28.

24 HOUR FORECAST VALID 1800 UTC DEC 29.

48 HOUR FORECAST VALID 1800 UTC DEC 30.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...

.COMPLEX LOW WITH FIRST CENTER 39N50W 972 MB MOVING N 10 KT AND

SECOND CENTER 41N50W 980 MB MOVING N 05 KT. WITHIN 120 NM SW

SEMICIRCLE OF FIRST CENTER WINDS 50 TO 75 KT. SEAS 5 TO 8 M.

ELSEWHERE FROM 35N TO 53N BETWEEN 45W AND 53W WINDS 40 TO 50 KT.

SEAS 3 TO 6 M. ALSO S OF 45N BETWEEN 41W AND 68W WINDS 25 TO 40

KT. SEAS 3 TO 5.5. M.

.24 HOUR FORECAST COMBINED LOW 43N50W 974 MB. WITHIN 300 NM SW

QUADRANT AND WITHIN 180 NM NE AND E OF FRONT TO EXTEND FROM

47N46W TO 41N40W WINDS 40 TO 50 KT. SEAS 4 TO 7 M. ELSEWHERE S OF

53N E OF 61W WINDS 25 TO 40 KT. SEAS 3 TO 6 M.

.48 HOUR FORECAST LOW 41N43W 997 MB. WITHIN 240 NM N OF A LINE

FROM 50N49W TO 44N35W WINDS 30 TO 45 KT. SEAS 4 TO 7.5 M.

ELSEWHERE S OF A LINE FROM 61N49W TO 54N35W...EXCEPT WITHIN 360

NM NE SEMICIRLCE...WINDS 25 TO 40 KT. SEAS 3 TO 6.5 M. ALSO

WITHIN 360 NM NE SEMICIRCLE WINDS LESS THAN 25 KT. SEAS 3 TO 5

M.

...STORM WARNING...

.LOW 50N56W 983 MB MOVING N 20 KT. WITHIN 180 NM S AND SW OF

GREENLAND COAST S OF 62N AND W OF 43W WINDS 40 TO 50 KT. SEAS 5

TO 7.5 M. ELSEWHERE N OF 45N W OF 35W...NOT INCLUDING THE WATERS

E OF GREENLAND...WINDS 25 TO 40 KT. SEAS 3 TO 6.5 M...HIGHEST

NEAR 53N52W.

.24 HOUR FORECAST LOW ABSORBED BY NEW LOW 61N63W 998 MB. WITHIN

120 NM S AND W OF GREENLAND COAST S OF 64N AND W OF 43W WINDS 40

TO 55 KT. SEAS 4.5 TO 8.5 M. ELSEWHERE N OF 53N BETWEEN 58W AND

35W...NOT INCLUDING THE WATERS E OF GREENLAND...WINDS 25 TO 40

KT. SEAS 3 TO 6 M. ALSO WITHIN 300 NM E SEMICIRCLE WINDS TO 25

KT. SEAS TO 4 M.

.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS MOVED N OF AREA.

...GALE WARNING...

.24 HOUR FORECAST LOW WELL INLAND. S OF 45N W OF 64W WINDS 25 TO

40 KT. SEAS TO 4 M.

.48 HOUR FORECAST LOW ABSORBED BY NEW LOW 50N66W 979 MB. WITHIN

780 NM NE QUADRANT WINDS 30 TO 45 KT. SEAS 3.5 TO 7 M. ELSEWHERE

S OF 65N BETWEEN 49W AND 76W WINDS 25 TO 40 KT. SEAS 3 TO 6 M.

...HEAVY FREEZING SPRAY WARNING...

.MODERATE TO HEAVY FREEZING SPRAY FROM 57N TO 61N W OF 62W.

ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY WITHIN THE GULF OF

SAINT LAWRENCE W OF 61W AND W OF A LINE FROM 56N61W TO 67N57W.

.24 HOUR FORECAST LIGHT FREEZING SPRAY WITHIN THE GULF OF SAINT

LAWRENCE W OF 59W AND W OF A LINE FROM 54N55W TO 61N62W.

.48 HOUR FORECAST LIGHT FREEZING SPRAY W AND NW OF A LINE FROM

42N70W TO 45N66W AND N OF 66N W OF GREENLAND.

.SYNOPSIS AND FORECAST.

.EXCEPT WHERE DESCRIBED IN WARNINGS SECTION ABOVE...S OF 46N E OF

41W WINDS LESS THAN 25 KT. SEAS 3 TO 4.5 M.

.24 HOUR FORECAST CONDITIONS DESCRIBED WITH LOW 43N50W IN

WARNINGS SECTION ABOVE.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM W OF A LINE FROM

48N52W TO 54N53W TO 59N60W TO 67N54W.

.24 HOUR FORECAST DENSE FOG N OF 60N W OF 52W...FROM 46N TO 59N

BETWEEN 47W AND 53W...AND NW OF A LINE FROM 41N70W TO 44N64W.

.48 HOUR FORECAST DENSE FOG WITHIN 240 NM SW OF A LINE FROM

48N48W TO 60N60W AND WITHIN 60 NM OF 63N56W.

.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 1800 UTC SUN DEC 28.

24 HOUR FORECAST VALID 1800 UTC MON DEC 29.

48 HOUR FORECAST VALID 1800 UTC TUE DEC 30.

.WARNINGS.

...ATLANTIC GALE WARNING...

.ATLC COLD FRONT FROM 31N495.W TO 25N62.5W TO 27.5N75.5W. SECOND

COLD FRONT FROM 31N51W TO 27.5N64W TO 31N74.5W. S AND E OF SECOND

COLD FRONT WITHIN 31N42W TO 31N50W TO 25N61W TO 24N55W TO 27N46W

TO 31N42W SW TO W WINDS 20 TO 30 KT. SEAS 3.5 TO 4.5 M. NEAR AND

N OF SECOND COLD FRONT WITHIN 31N50W TO 30N64W TO 26N62W TO

29N54W TO 31N50W NW WINDS 20 TO 30 KT. SEAS 4.0 TO 5.0 M.

ELSEWHERE WITHIN 31N35W TO 31N74W TO 21N64W TO 19N59W TO 21N44W

TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.0 M IN NW TO N

SWELL.

.18 HOUR FORECAST COLD FRONTS MERGED. COLD FRONT FROM 31N41W TO

21.5N55.5W TO 23N70W. E OF COLD FRONT WITHIN 31N39W TO 31N41W TO

28N42W TO 29N40W TO 31N39W SW TO W WINDS 30 TO 35 KT. SEAS 4.0 TO

5.0 M. ELSEWHERE WITHIN 31N35W TO 31N39W TO 29N42W TO 24N48W TO

24N43W TO 26N39W TO 31N35W SW WINDS 20 TO 30 KT. SEAS 3.5 TO 4.5

M. W OF COLD FRONT WITHIN 31N42W TO 31N59W TO 26N54W TO 26N45W TO

31N42W NW WINDS 20 TO 30 KT. SEAS 5.0 TO 5.5 M. REMAINDER OF

AREA WITHIN 31N35W TO 26N54W TO 31N68W TO 23N65W TO 20N50W TO

22N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 5.0 M IN N

SWELL.

.24 HOUR FORECAST COLD FRONT FROM 31N38W TO 21N55W TO 21N60W. E

OF COLD FRONT WITHIN 30N35W TO 31N35W TO 31N38W TO 27N40W TO

23N45W TO 24N40W TO 30N35W SW TO W WINDS 20 TO 30 KT. SEAS 2.5 TO

4.5 M. W OF COLD FRONT WITHIN 31N38W TO 31N56W TO 28N52W TO

28N42W TO 31N38W W TO NW WINDS 20 TO 30 KT. SEAS 5.0 TO 6.0 M.

ELSEWHERE WITHIN 29N35W TO 28N49W TO 31N65W TO 23N65W TO 20N54W

TO 24N35W TO 29N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 5.0 M IN N

SWELL.

.48 HOUR FORECAST COLD FRONT FROM 31N29W TO 19N50W TO 20.5N60W.

W OF COLD FRONT WITHIN 31N35W TO 31N41W TO 30N40W TO 30N39W TO

30N36W TO 31N35W W WINDS 20 TO 25 KT. SEAS 4.0 TO 5.5 M.

ELSEWHERE WITHIN 31N35W TO 31N61W TO 23N63W TO 14N55W TO 22N35W

TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 5.5 M IN NW TO N

SWELL.

...GULF OF AMERICA GALE WARNING...

.GULF OF AMERICA 15 HOUR FORECAST COLD FRONT FROM 29N91W TO

26.5N97.5W. WITHIN 29N93W TO 30N95W TO 29N95W TO 28N97W TO

27N97W TO 29N93W N TO NE WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.

.18 HOUR FORECAST COLD FRONT FROM 30N86W TO 25.5N97.5W. WITHIN

29N92W TO 29N94W TO 28N97W TO 27N97W TO 28N93W TO 29N92W N TO NE

WINDS 30 TO 35 KT. SEAS LESS THAN 2.5 M. ELSEWHERE WITHIN 29N91W

TO 30N92W TO 30N95W TO 28N97W TO 26N97W TO 28N91W TO 29N91W N TO

NE WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.

.24 HOUR FORECAST COLD FRONT FROM 29.5N83.5W TO 23N97.5W. WITHIN

30N88W TO 28N97W TO 25N97W TO 27N93W TO 30N88W N TO NE WINDS 20

TO 30 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 28N86W TO 29N94W TO

28N97W TO 27N92W TO 25N97W TO 23N98W TO 28N86W N TO NE WINDS 20

TO 30 KT. SEAS LESS THAN 2.5 M.

.27 HOUR FORECAST COLD FRONT FROM 29N83W TO 23N75W TO 21N97W.

WITHIN 23.5N97W TO 24N97W TO 24.5N97.5W TO 22.5N98W TO 22N97W TO

22.5N97W TO 23.5N97W NW TO N WINDS 30 TO 40 KT. SEAS 2.5 TO 3.5

M. ELSEWHERE WITHIN 29N88W TO 28N92W TO 28N96W TO 24N98W TO

24N97W TO 25N93W TO 29N88W N TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO

3.5 M. REMAINDER OF AREA WITHIN 30N87W TO 30N93W TO 28N96W TO

22N98W TO 24N94W TO 26N89W TO 30N87W N TO NE WINDS 20 TO 30 KT.

SEAS LESS THAN 2.5 M.

.48 HOUR FORECAST COLD FRONT FROM 24.5N80W TO 21N90W TO

18.5N93.5W. WITHIN 21N96W TO 20N97W TO 19N96W TO 18N95W TO 19N94W

TO 21N96W...INCLUDING WITHIN 60 NM OF COAST OF VERACRUZ...NW

WINDS 30 TO 40 KT. SEAS 4.5 TO 6.0 M. ELSEWHERE WITHIN 24N85W TO

24N92W TO 23N97W TO 21N97W TO 18N95W TO 21N93W TO 24N85W N WINDS

20 TO 30 KT. SEAS 3.5 TO 5.5 M. REMAINDER OF AREA WITHIN 27N86W

TO 27N96W TO 22N98W TO 24N92W TO 24N85W TO 27N86W WINDS 20 KT OR

LESS. SEAS 2.5 TO 5.5 M IN N SWELL.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 13N48W TO 13N53W TO 11N57W TO 06N52W TO 07N42W TO

09N46W TO 13N48W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO

N SWELL.

.24 HOUR FORECAST WITHIN 18N35W TO 23N35W TO 18N47W TO 14N60W TO

06N52W TO 18N35W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT OR

LESS. SEAS 2.5 TO 3.0 M IN NW TO N SWELL.

.48 HOUR FORECAST WITHIN 10N46W TO 09N48W TO 09N55W TO 08N56W TO

06N53W TO 07N38W TO 10N46W WINDS 20 KT OR LESS. SEAS 2.5 M IN NW

TO N SWELL.

.ATLC 24 HOUR FORECAST COLD FRONT N OF AREA. WITHIN 31N74W TO

31N80W TO 30N79W TO 30N78W TO 30N77W TO 30N75W TO 31N74W SW TO W

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

.48 HOUR FORECAST COLD FRONT FROM 31N69.5W TO 24.5N80W. WITHIN

31N57W TO 31N62W TO 31N66W TO 30N68W TO 29N67W TO 30N64W TO

31N57W SW TO W WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE

WITHIN 31N66W TO 31N76W TO 29N76W TO 27N77W TO 29N71W TO 29N68W

TO 31N66W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW SWELL.

.CARIBBEAN WITHIN 14N71W TO 15N72W TO 14N76W TO 12N76W TO 11N74W

TO 12N72W TO 14N71W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5

M. ELSEWHERE WITHIN 14N75W TO 15N78W TO 15N80W TO 13N79W TO

10N78W TO 11N75W TO 14N75W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M

IN NE TO E SWELL.

.24 HOUR FORECAST WITHIN 12N76W TO 13N77W TO 12N78W TO 11N78W TO

11N76W TO 12N76W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.

ELSEWHERE WITHIN 14N76W TO 13N78W TO 14N79W TO 14N81W TO 10N79W

TO 11N75W TO 14N76W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE

TO E SWELL.

.48 HOUR FORECAST WITHIN 12N77W TO 12N78W TO 12N79W TO 10N79W TO

10N78W TO 11N77W TO 12N77W WINDS 20 KT OR LESS. SEAS 2.5 M IN NE

TO E SWELL.

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

.FORECASTER ADAMS. NATIONAL HURRICANE CENTER.

$$