FZNT01 KWBC 271554
HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC SAT DEC 27 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 27.
24 HOUR FORECAST VALID 1200 UTC DEC 28.
48 HOUR FORECAST VALID 1200 UTC DEC 29.
.WARNINGS.
...HURRICANE FORCE WIND WARNING...
.LOW 37N70W 1004 MB MOVING E 35 KT AND RAPIDLY INTENSIFYING. S OF
41N BETWEEN 66W AND 78W WINDS 25 TO 35 KT. SEAS LESS THAN 4 M.
.12 HOUR FORECAST LOW 35N62W 994 MB. WITHIN 120 NM SW AND W
SEMICIRCLES WINDS 40 TO 50 KT. SEAS 3 TO 5 M.
.24 HOUR FORECAST LOW 36N53W 978 MB. WITHIN 180 NM OF LOW CENTER
WINDS 45 TO 60 KT. SEAS 4 TO 8 M. ELSEWHERE S OF 42N BETWEEN 45W
AND 66W WINDS 30 TO 45 KT. SEAS 3 TO 6 M.
.30 HOUR FORECAST LOW 38N50W 972 MB. WITHIN 120 NM W AND SW
SEMICIRCLES
WINDS 50 TO 65 KT. SEAS 4.5 TO 9 M.
.48 HOUR FORECAST LOW 42N48W 967 MB. WITHIN 180 NM S AND 300 NM W
QUADRANTS AND 180 NM NE AND E OF FRONT FROM 46N47W TO 42N41W TO
39N40W WINDS 40 TO 50 KT. SEAS 4 TO 7.5 M. ELSEWHERE S OF 52N E
OF 63W WINDS 25 TO 40 KT. SEAS 3 TO 7 M...HIGHEST NEAR 39N48W.
...STORM WARNING...
.LOW 45N53W 977 MB MOVING NW 10 KT. WITHIN 480 NM N...180 NM
S...AND 360 NM W QUADRANTS WINDS 35 TO 50 KT. SEAS 5 TO 8
M...EXCEPT WITHIN THE GULF OF SAINT LAWRENCE SEAS TO 4 M.
ELSEWHERE...EXCEPT WHERE DESCRIBED BELOW WITH LOW 40N35W...S OF
57N E OF 65W WINDS 25 TO 40 KT. SEAS 4 TO 10 M...HIGHEST NEAR
38N51W.
.24 HOUR FORECAST LOW 49N57W 981 MB. WITHIN 360 NM W QUADRANT AND
180 NM SW OF GREENLAND COAST S OF 62N WINDS 40 TO 50 KT. SEAS 3.5
TO 7 M. ELSEWHERE N OF 52N E OF 70 W...NOT INCLUDING THE WATERS E
OF GREENLAND N OF 60N...WINDS 25 TO 40 KT. SEAS 4 TO 7.5 M. ALSO
S OF 42N E OF 45W WINDS LESS THAN 25 KT. SEAS TO 4 M.
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER NEAR 57N61W 1002
MB. WITHIN 180 NM S AND SW OF GREENLAND COAST S OF 64N WINDS 40
TO 55 KT. SEAS 4.5 TO 7 M. ELSEWHERE N OF 52N E OF 63W...NOT
INCLUDING THE WATERS E OF GREENLAND N OF 60N...WINDS 25 TO 40 KT.
SEAS 3 TO 6 M.
...GALE WARNING...
.LOW 58N55W 1016 MB NEARLY STATIONARY. WITHIN 360 NM NE AND 240
NM W QUADRANTS WINDS 25 TO 40 KT. SEAS 6 TO 8.5 M. ELSEWHERE N OF
57N E OF 62W WINDS 20 TO 30 KT. SEAS 4.5 TO 7 M.
.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS DESCRIBED ABOVE WITH
LOW 49N57W.
...GALE WARNING...
.LOW 40N35W 1009 MB MOVING SE 10 KT. WITHIN 240 NM NE QUADRANT
WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M. ELSEWHERE WITHIN 720 NM S
QUADRANT WINDS LESS THAN 25 KT. SEAS LESS THAN 4 M.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS ABSORBED BY NEW
LOW E OF AREA.
...GALE WARNING...
.48 HOUR FORECAST W OF A LINE FROM 31N76W TO 40N63W WINDS 25 TO
35 KT. SEAS LESS THAN 4 M.
...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY FROM 55N TO 61N W OF 60W AND
WITHIN THE GULF OF SAINT LAWRENCE W OF 59W. ELSEWHERE LIGHT TO
MODERATE FREEZING SPRAY W AND NW OF A LINE FROM 42N70W TO 41N63W
TO 54N54W TO 67N53W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY WITHIN THE
GULF OF SAINT LAWRENCE W OF 63W AND FROM 58N TO 61N W OF 62W.
ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY FROM 43N TO 50N W OF
59W AND W AND NW OF A LINE FROM 56N60W TO 62N60W TO 66N53W.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY WITHIN THE
GULF OF SAINT LAWRENCE.
.SYNOPSIS AND FORECAST.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 46N TO 56N
BETWEEN 43W AND 50W...FROM 44N TO 54N BETWEEN 53W AND 61W...AND
FROM 38N TO 43N W OF 68W.
.24 HOUR FORECAST DENSE FOG FROM 45N TO 66N BETWEEN 52W AND 64W.
.48 HOUR FORECAST DENSE FOG FROM 44N TO 63N BETWEEN 45W AND 59W.
.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 1200 UTC SAT DEC 27.
24 HOUR FORECAST VALID 1200 UTC SUN DEC 28.
48 HOUR FORECAST VALID 1200 UTC MON DEC 29.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC WITHIN 31N35W TO 31N74W TO 24N62W TO 19N62W TO 18N53W TO
26N38W TO 31N35W W TO NW WINDS 20 TO 25 KT. SEAS 2.5 TO 4.5 M IN
NW TO N SWELL.
.24 HOUR FORECAST COLD FRONT FROM 31N56W TO 27N70W TO 28N78W.
WITHIN 31N35W TO 31N73W TO 22N60W TO 20N53W TO 25N42W TO 31N35W
SW TO W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M IN NW TO N SWELL.
.48 HOUR FORECAST COLD FRONT FROM 31N41W TO 22N60W THEN
STATIONARY TO 23N70W. E OF FRONT WITHIN 31N35W TO 31N40W TO
21N55W TO 19N41W TO 22N35W TO 31N35W SW WINDS 20 TO 30 KT. SEAS
2.5 TO 4.5 M IN NW TO N SWELL. W OF FRONT ELSEWHERE WITHIN 31N41W
TO 31N58W TO 24N51W TO 29N43W TO 31N41W W TO NW WINDS 20 TO 30
KT. SEAS 4.0 TO 5.5 M IN NW TO N SWELL. REMAINDER OF AREA WITHIN
31N58W TO 31N67W TO 28N67W TO 23N64W TO 22N57W TO 25N51W TO
31N58W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN N SWELL.
.ATLC WITHIN 10N35W TO 11N37W TO 10N42W TO 07N46W TO 07N35W TO
10N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO N SWELL.
.24 HOUR FORECAST WITHIN 16N47W TO 13N56W TO 06N52W TO 07N39W TO
16N47W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO N SWELL.
.48 HOUR FORECAST WITHIN 09N44W TO 12N51W TO 11N55W TO 08N55W TO
06N53W TO 07N42W TO 09N44W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0
M IN NW TO N SWELL.
.CARIBBEAN WITHIN 12N74W TO 13N75W TO 13N79W TO 12N80W TO 10N79W
TO 09N77W TO 12N74W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M
IN NE TO E SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.
.GULF OF AMERICA 48 HOUR FORECAST WITHIN 29N90W TO 30N94W TO
28N97W TO 26N97W TO 27N92W TO 29N90W N TO NE WINDS 20 TO 30 KT.
SEAS LESS THAN 2.5 M.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.
$$
