METAREA 4 bulletinset


HIGH SEAS FORECAST
FZNT01 KWBC 012220

HSFAT1

HIGH SEAS FORECAST FOR METAREA IV

NWS OCEAN PREDICTION CENTER WASHINGTON DC

2230 UTC THU JAN 01 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

SECURITE

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

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 1800 UTC JAN 01.

24 HOUR FORECAST VALID 1800 UTC JAN 02.

48 HOUR FORECAST VALID 1800 UTC JAN 03.

.WARNINGS.

...STORM WARNING...

.COMPLEX LOW WITH MAIN CENTER 42N67W 994 MB MOVING NE 20 KT.

WITHIN 720 NM S QUADRANT WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M.

.24 HOUR FORECAST LOW 50N65W 975 MB. WITHIN 840 NM NE...840 NM

SE...AND 960 NM S QUADRANTS WINDS 25 TO 40 KT. SEAS 3 TO 5.5 M.

.36 HOUR FORECAST LOW INLAND NEAR 55N67W 976 MB. WITHIN 300 NM NE

OF A LINE FROM 60N61W TO 59N55W TO 54N47W WINDS 35 TO 50 KT. SEAS

4 TO 7 M.

.48 HOUR FORECAST LOW INLAND NEAR 56N70W 977 MB. WITHIN 120 NM NE

OF A LINE FROM 63N61W TO 59N50W TO 57N45W WINDS 40 TO 55 KT. SEAS

4 TO 7.5 M. ELSEWHERE WITHIN 600 NM SE QUADRANT INCLUDING WITHIN

THE GULF OF SAINT LAWRENCE FROM 52N TO 67N BETWEEN 39W AND 65W

WINDS 25 TO 40 KT. SEAS 2.5 TO 5.5 M...HIGHEST NEAR 60N57W.

...GALE WARNING...

.LOW 42N46W 1005 MB MOVING NE 15 KT. WITHIN 420 NM NE QUADRANT

AND WITHIN 180 NM SE OF A LINE FROM LOW CENTER TO 39N46W TO

33N53W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M.

.06 HOUR FORECAST LOW 44N44W 1005 MB. WITHIN 240 NM NE OF A LINE

FROM 52N47W TO 49N47W TO 41N39W WINDS 25 TO 40 KT. SEAS 2.5 TO

4.5 M.

.24 HOUR FORECAST LOW 47N42W 1008 MB. WITHIN 300 NM NE SEMICIRCLE

WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M.

.48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 49N50W IN

GALE WARNING BELOW.

...GALE WARNING...

.30 HOUR FORECAST NEW LOW TO FORM NEAR 41N60W 1003 MB. FROM 33N

TO 44N BETWEEN 54W AND 73W WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M.

.48 HOUR FORECAST LOW 49N50W 992 MB. WITHIN 540 NM E...660 NM

S...AND 900 NM SW QUADRANTS WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M.

...HEAVY FREEZING SPRAY WARNING...

.MODERATE TO HEAVY FREEZING SPRAY W OF A LINE FROM 56N58W TO

62N62W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY W OF A LINE

FROM 52N55W TO 63N60W.

.24 HOUR FORECAST MODERATE TO HEAVY FEEZING SPRAY W OF A LINE

FROM 47N61W TO 48N61W TO 49N63W. ELSEWHERE LIGHT FREEZING SPRAY

NW AND N OF A LINE FROM 41N70W TO 45N60W TO 48N59W...INCLUDING

THE BAY OF FUNDY AND W AND NW OF A LINE FROM 58N61W TO 64N60W.

.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY W OF 60W

WITHIN THE GULF OF SAINT LAWRENCE. ELSEWHERE LIGHT FREEZING SPRAY

NW AND N OF A LINE FROM 42N70W TO 43N63W TO 47N54W...INCLUDING

THE BAY OF FUNDY AND THE REST OF THE GULF OF SAINT LAWRENCE...AND

SW OF A LINE FROM 54N56W TO 59N60W TO 60N63W.

.SYNOPSIS AND FORECAST.

.COMPLEX LOW WITH MAIN INLAND LOW 60N82W 969 MB MOVING NW 10 KT.

N OF 56N W OF 46W WINDS 20 TO 30 KT. SEAS 3 TO 6 M.

.24 HOUR FORECAST LOW WELL INLAND AND ASSOCIATED CONDITIONS

DIMINISHED.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 43N TO 51N

BETWEEN 43W AND 70W AND N OF 62N BETWEEN 52W AND 63W.

.24 HOUR FORECAST DENSE FOG IN THE GULF OF SAINT LAWRENCE...AND

FROM 45N TO 63N W OF 46W TO THE COASTS OF NEWFOUNDLAND AND

LABRADOR.

.48 HOUR FORECAST DENSE FOG WITHIN 120 NM NE OF A LINE FROM

62N65W TO 61N60W TO 63N58W TO 58N49W...AND FROM 47N TO 55N

BETWEEN 43W AND 55W.

.FORECASTER HYDE. 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 THU JAN 1.

24 HOUR FORECAST VALID 1800 UTC FRI JAN 2.

48 HOUR FORECAST VALID 1800 UTC SAT JAN 3.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 31N70W TO 31N76W TO 30.5N74W TO 30.5N72.5W TO

30.5N70.5W TO 31N70W W WINDS 20 TO 25 KT. SEAS 2.5 M IN W TO NW

SWELL.

.24 HOUR FORECAST WITHIN 31N60W TO 31N70W TO 30N70W TO 29N67W TO

31N60W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW SWELL.

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

LESS THAN 2.5 M.

.ATLC WITHIN 20N35W TO 19N46W TO 11N54W TO 06N51W TO 07N39W TO

10N35W TO 20N35W WINDS 20 KT OR LESS. SEAS 2.5 M IN NW TO N

SWELL.

.24 HOUR FORECAST WITHIN 09N35W TO 10N37W TO 10N40W TO 10N42W TO

08N42W TO 08N35W TO 09N35W WINDS 20 KT OR LESS. SEAS 2.5 M IN NW

TO N SWELL.

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

LESS THAN 2.5 M.

.ATLC WITHIN 31N35W TO 31N39W TO 25N38W TO 20N35W TO 31N35W

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

.24 HOUR FORECAST WITHIN 31N35W TO 31N37W TO 29N36W TO 29N35W TO

31N35W WINDS 20 KT OR LESS. SEAS 2.5 M IN NW SWELL.

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

LESS THAN 2.5 M.

.ATLC COLD FRONT FROM 31N54.5W TO 25.5N63.5W. WITHIN 31N50W TO

31N59W TO 28N60W TO 27N57W TO 28N55W TO 31N50W WINDS 20 KT OR

LESS. SEAS 2.5 TO 3.0 M IN NW SWELL.

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

LESS THAN 2.5 M.

.ATLC 48 HOUR FORECAST WITHIN 31N78W TO 31N81W TO 30N81W TO

30N80W TO 29N80W TO 31N78W SW WINDS 20 TO 25 KT. SEAS LESS THAN

2.5 M.

.CARIBBEAN WITHIN 14N81W TO 15N81W TO 15N83W TO 13N84W TO 12N83W

TO 12N81W TO 14N81W...INCLUDING WITHIN 60 NM OF COAST OF

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

.12 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 ADAMS. NATIONAL HURRICANE CENTER.

$$