FZNT01 KWBC 161623
HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC TUE DEC 16 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC DEC 16.
24 HOUR FORECAST VALID 1200 UTC DEC 17.
48 HOUR FORECAST VALID 1200 UTC DEC 18.
.WARNINGS.
...HURRICANE FORCE WIND WARNING...
.COMPLEX LOW WITH MAIN CENTER 52N43W 938 MB MOVING NE 30 KT.
BETWEEN 60 NM AND 300 NM SE AND 360 NM S QUADRANTS AND BETWEEN
90 NM AND 240 NM W QUADRANT WINDS 60 TO 80 KT. SEAS 9 TO 15 M.
ALSO FROM 43N TO 53N E OF 50W AND WITHIN 420 NM W QUADRANT WINDS
45 TO 60 KT. SEAS 7 TO 12 M. ELSEWHERE FROM 41N TO 61N E OF 61W
AND WITHIN 240 NM E OF A FRONT FROM 43N35W TO 35N44W...INCLUDING
WITHIN THE GULF OF SAINT LAWRENCE...WINDS 30 TO 45 KT. SEAS 4 TO
9 M...EXCEPT TO 4 M WITHIN THE GULF OF SAINT LAWRENCE. OTHERWISE
S OF 41N E OF 66W WINDS TO 25 KT. SEAS 2.5 TO 7.5 M...HIGHEST
NEAR 41N51W.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER E OF AREA 60N29W
942 MB AND NEW SECOND CENTER 58N39W 950 MB. FROM 53N TO 57N E OF
44W AND WITHIN 300 NM W SEMICIRCLE OF SECOND LOW WINDS 45 TO 60
KT. SEAS 8 TO 13 M...HIGHEST NEAR 55N35W. ALSO WITHIN 480 NM N
AND 360 NM W AND SW QUADRANTS OF SECOND LOW AND FROM 51N TO 57N
E OF 47W WINDS 35 TO 50 KT. SEAS 5 TO 10 M. ELSEWHERE N OF 42N E
OF 51W WINDS 25 TO 40 KT. SEAS 3 TO 8.5 M. OTHERWISE S OF 42N E
OF 53W WINDS TO 25 KT. SEAS 3 TO 5.5 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER E OF AREA NEAR
60N23W 959 MB. FROM 54N TO 64N BETWEEN 35W AND 37W AREA OF N TO
NW WINDS 25 TO 35 KT. SEAS 6 TO 7.5 M. ELSEWHERE N OF A LINE
FROM 50N35W TO 55N42W WINDS TO 25 KT. SEAS 3 TO 6.5 M.
...GALE WARNING...
.24 HOUR FORECAST LOW WELL INLAND NEAR 56N71W 977 MB. BETWEEN
51N AND A LINE FROM 46N57W TO 44N65W TO 42N70W INCLUDING WITHIN
THE GULF OF SAINT LAWRENCE WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 64N62W 978 MB AND
A NEW SECOND CENTER 61N54W 982 MB. FRONT CONNECTING THE TWO LOWS
THEN EXTENDING FROM SECOND CENTER TO 55N46W TO 50N52W TO 39N60W.
FROM 39N TO 51N BETWEEN 52W AND 64W AND WITHIN 480 NM E OF FRONT
S OF 52N WINDS 30 TO 45 KT. SEAS 2.5 TO 6 M...HIGHEST NEAR
42N55W. ALSO WITHIN 180 NM NE OF FRONT N OF 60N AND SW OF FRONT
N OF 51N WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE EXCEPT
WHERE DESCRIBED IN HURRICANE FORCE WIND WARNING ABOVE...N OF 60N
W OF 46W AND BETWEEN 66W AND A LINE FROM 60N46W TO 53N35W TO
43N35W TO 36N52W WINDS TO 25 KT. SEAS 2.5 TO 5.5 M.
...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY WITHIN THE GULF OF SAINT
LAWRENCE W OF A LINE FROM 46N64W TO 51N57W...AND W OF A LINE
FROM 54N57W TO 62N61W. ELSEWHERE LIGHT TO MODERATE FREEZING
SPRAY N OF 44N W OF 57W AND W AND NW OF A LINE FROM 49N54W TO
61N48W...INCLUDING WITHIN THE BAY OF FUNDY AND GULF OF SAINT
LAWRENCE.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY WITHIN 180 NM
OF THE CANADIAN COAST FROM 53N TO 60N. ELSEWHERE LIGHT TO
MODERATE FREEZING SPRAY FROM 47N TO 55N BETWEEN 49W AND 57W...N
OF 55N W OF 55W...AND N OF 63N W OF GREENLAND.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY W OF A LINE
FROM 53N54W TO 64N61W. ELSEWHERE LIGHT TO MODERATE FREEZING
SPRAY WITHIN THE GULF OF SAINT LAWRENCE...N OF 52N W OF 55W AND
WITHIN 90 NM W OF GREENLAND N OF 63N.
.SYNOPSIS AND FORECAST.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 45N TO 56N E
OF 60W AND N OF 60N BETWEEN W GREENLAND COAST AND 63W.
.24 HOUR FORECAST DENSE FOG N OF 48N E OF 50W AND N OF 60N W OF
GREENLAND.
.48 HOUR FORECAST DENSE FOG N OF 54N E OF 42W...FROM 45N TO 55N
W OF 40W...AND N OF 55N SW OF A LINE FROM 55N43W TO 65N63W.
.FORECASTER BANCROFT. OCEAN PREDICTION CENTER.
NATIONAL HURRICANE CENTER MIAMI FL
ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF AMERICA
SYNOPSIS VALID 1200 UTC TUE DEC 16.
24 HOUR FORECAST VALID 1200 UTC WED DEC 17.
48 HOUR FORECAST VALID 1200 UTC THU DEC 18.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC COLD FRONT FROM 31N53W TO 25N65W THEN STATIONARY TO
21N76W. N
OF FRONT TO 27N AND W 63W NE WINDS 20 TO 30 KT. SEAS 3.5 TO 4.0
M IN
N SWELL E OF THE BAHAMAS. ELSEWHERE NW OF FRONT AND E OF 77W
WINDS
20 KT OR LESS. SEAS 2.5 TO 4.5 M IN NW TO N SWELL.
.24 HOUR FORECAST COLD FRONT FROM 31N48W TO 25N60W THEN
STATIONARY TO 21N75W. NW OF FRONT TO A LINE FROM 31N55W TO 29N65W
TO 26N74W
NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.5 M IN NW TO N SWELL.
ELSEWHERE W OF A LINE FROM 31N40W TO 24N50W TO 18N60W...INCLUDING
ATLANTICEXPOSURES...TO ANOTHER LINE FROM 31N62W TO 28N70W TO
25N76W AND E OF THE BAHAMAS WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M
IN NW
TO N SWELL.
.48 HOUR LOW PRES NEAR 30N57W WITH COLD FRONT FROM LOW CENTER TO
26N60W TO 24N70W. N OF 26N W OF FRONT TO 63W N TO NE WINDS 20 TO
30 KT. SEAS 2.5 TO 4 M. N OF 27N E OF FRONT TO 55W S TO SW WINDS
20
TO 25 KT. SEAS 2.5 TO 3 M. ELSEWHERE E OF FRONT TO A LINE FROM
31N50W TO 25N55W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN NW TO N
SWELL.
.ATLC S OF A LINE FROM 24N35W TO 23N45W TO 20N58W NE TO E WINDS
20 TO 25 KT. SEAS 3 TO 4 M IN MIXED NE AND NW SWELL. ELSEWHERE S
OF
A LINE FROM 27N35W TO 25N50W TO 22N58W TO 15N60W WINDS 20 KT OR
LESS. SEAS 2.5 TO 3 M IN MIXED NE AND NW SWELL.
.24 HOUR FORECAST FROM 10N TO 24N E OF 50W NE TO E WINDS 20 TO
25 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE S OF A LINE FROM 25N35W TO
25N402 TO 21N50W TO 16N61W...INCLUDING IN ATLANTIC EXPOSURES AND
PASSAGES...WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN NE TO E SWELL.
.48 HOUR FORECAST S OF 25N E OF 52W NE TO E WINDS 20 TO 25 KT.
SEAS 2.5 TO 3.5 M IN MIXED NE AND NW SWELL. ELSEWHERE E OF A
LINE
FROM 31N50W TO 27N50W TO 19N61W...INCLUDING IN ATLANTIC
EXPOSURES AND
PASSAGES...WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN MIXED NE AND
NW SWELL.
.CARIBBEAN FORECAST FROM 11N TO 13N BETWEEN 70W AND
76W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 25
KT.
SEAS TO 2.5 M NEAR THE COAST OF COLOMBIA.
.24 HOUR FORECAST FROM 11N TO 13N BETWEEN 74W AND 77W NE TO E
WINDS 20 TO 25 KT. SEAS 2.5 M.
.48 HOUR FORECAST FROM 11N TO 13N BETWEEN 74.5W AND 76.5W NE TO
E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.GULF OF AMERICA S OF 24.5N BETWEEN 80W AND 85W...INCLUDING THE
STRAITS OF FLORIDA...NE TO E WINDS 20 TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST FROM 23N TO 25N BETWEEN 83W AND 86W WINDS 20
KT OR
LESS. SEAS TO 2.5 M IN E SWELL.
.48 HOUR FORECAST 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 GR. NATIONAL HURRICANE CENTER.
