FZNT01 KWBC 122226
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC SUN APR 12 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 APR 12.
24 HOUR FORECAST VALID 1800 UTC APR 13.
48 HOUR FORECAST VALID 1800 UTC APR 14.

.WARNINGS.

...STORM WARNING...
.LOW 48N52W 996 MB MOVING NE 20 KT AND INTENSIFYING. FROM 41N TO
48N BETWEEN 51W AND 61W WINDS 30 TO 45 KT. SEAS 2.5 TO 5.5
M...HIGHEST NEAR 45N57W. ELSEWHERE IN THE GULF OF SAINT LAWRENCE
E OF 65W...AND WITHIN 300 NM NW QUADRANT AND BETWEEN 48N AND A
LINE FROM 31N67W TO 31N59W TO 39N50W WINDS 20 TO 30 KT. SEAS TO
3.5 M...HIGHEST S AND SW OF LOW.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 50N41W 977 MB.
FRONT TO EXTEND FROM 53N43W TO 53N35W. WITHIN 480 NM S AND 360
NM SW QUADRANTS WINDS 35 TO 50 KT. SEAS 5.5 TO 7.5 M. ALSO FROM
38N TO 50N E OF 51W...BETWEEN 90 NM AND 420 NM W QUADRANT AND
WITHIN 180 NM NW AND N OF FRONT WINDS 25 TO 40 KT. SEAS 4 TO 7
M. ELSEWHERE WITHIN AN AREA BOUNDED BY A LINE FROM 34N35W TO
60N35W TO 60N43W TO 57N53W TO 43N54W TO 31N65W TO 31N50W TO
34N35W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER JUST E OF AREA
52N30W 981 MB. FROM 41N TO 51N BETWEEN 49W AND 35W WINDS 30 TO
45 KT. SEAS 3.5 TO 8.5 M...HIGHEST NEAR 45N35W. ELSEWHERE WITHIN
AN AREA BOUNDED BY A LINE FROM 37N35W TO 58N35W TO 58N44W TO
49N45W TO 38N41W TO 37N35W WINDS 20 TO 30 KT. SEAS 3 TO 7 M.
OTHERWISE S OF 38N E OF 43W WINDS TO 25 KT. SEAS TO 4.5 M.

...GALE WARNING...
.LOW 49N39W 988 MB MOVING NE 20 KT THEN TURNING NW AFTER 12
HOURS. WITHIN 360 NM SE...240 NM SW AND W...AND WITHIN 180 NM N
AND NE QUADRANTS WINDS 25 TO 40 KT. SEAS 3 TO 6 M...HIGHEST NEAR
46N44W. ELSEWHERE WITHIN AN AREA BOUNDED BY A LINE FROM 33N51W
TO 38N35W TO 54N35W TO 53N47W TO 33N51W TO 31N53W WINDS 20 TO 30
KT. SEAS 2.5 TO 5 M...HIGHEST S OF LOW.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS ABSORBED BY LOW
50N41W DESCRIBED IN STORM WARNING ABOVE.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW INLAND 49N72W 998 MB. FROM 41N TO 44N
BETWEEN 66W AND 70W AREA OF S TO SW WINDS 25 TO 35 KT. SEAS TO 3
M. ELSEWHERE BETWEEN 50N AND A LINE FROM 35N75W TO 39N60W WINDS
20 TO 30 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW 48N51W 999 MB. WITHIN 120 NM EITHER SIDE
OF A LINE FROM 40N54W TO 43N44W WINDS 25 TO 35 KT, SEAS 3 TO 4.5
M. ELSEWHERE WITHIN AN AREA BOUNDED BY A LINE FROM 39N42W TO
46N46W TO 46N58W TO 37N70W TO 39N42W WINDS 20 TO 30 KT. SEAS TO
4 M...HIGHEST E OF 60W.

...HEAVY FREEZING SPRAY WARNING...
.LIGHT TO MODERATE FREEZING SPRAY N OF 61N W OF GREENLAND.
.24 HOUR FORECAST LIGHT FREEZING SPRAY N OF 61N W OF GREENLAND.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 58N W OF
59W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 56N W OF
57W AND N OF A LINE FROM 62N50W TO 64N56W.

.SYNOPSIS AND FORECAST.

.FROM 54N TO 60N W OF 43W AREA OF N TO NE WINDS 20 TO 30 KT.
SEAS TO 3 M.
.24 HOUR FORECAST CONDITIONS ABSORBED BY LOW 50N41W DESCRIBED IN
STORM WARNING ABOVE.

.FROM 54N TO 65N BETWEEN 43W AND 35W WINDS LESS THAN 25 KT. SEAS
TO 3.5 M...HIGHEST NEAR 61N35W.
.24 HOUR FORECAST N OF 60N E OF GREENLAND WINDS TO 25 KT. SEAS
2.5 TO 4 M...HIGHEST NEAR 35W.
.48 HOUR FORECAST N OF 58N E OF 43W AREA OF N TO NE WINDS 20 TO
30 KT. SEAS 2.5 TO 4.5 M...HIGHEST NEAR 58N35W.

.36 HOUR FORECAST FROM 56N TO 63N W OF 56W AREA OF SE WINDS 20
TO 30 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST FROM 57N TO 65N W OF 54W WINDS 20 TO 30 KT.
SEAS TO 3 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 44N TO 56N
BETWEEN 43W AND 59W...FROM 48N TO 53N E OF 41W...AND WITHIN 60
NM SE OF A LINE FROM 62N41W TO 58N48W.
.24 HOUR FORECAST DENSE FOG FROM 45N TO 50N W OF 61W...FROM 42N
BETWEEN 39W AND 51W...FROM 54N TO 55N E OF 44W.
.48 HOUR FORECAST DENSE FOG W OF A LINE FROM 67N60W TO 62N52W TO
50N52W...FROM 43N TO 50N BETWEEN 44W AND 55W...AND W OF A LINE
FROM 44N57W TO 40N67W.

.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 1800 UTC SUN APR 12.
24 HOUR FORECAST VALID 1800 UTC MON APR 13.
48 HOUR FORECAST VALID 1800 UTC TUE APR 14.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC STATIONARY FRONT FROM 31N57W TO 20N71W. WITHIN 31N58W TO
31N67W TO 27N77W TO 25N78W TO 22N72W TO 25N65W TO 31N58W NE WINDS
20 TO 25 KT. SEAS 2.5 TO 3.0 M IN NE SWELL.
.24 HOUR FORECAST FRONT DISSIPATED. WITHIN 31N50W TO 31N70W TO
25N78W TO 21N71W TO 22N66W TO 31N50W NE TO E WINDS 20 TO 25 KT.
SEAS 2.5 TO 3.0 M IN NE SWELL.
.48 HOUR FORECAST WITHIN 31N40W TO 31N62W TO 26N78W TO 20N70W TO
27N58W TO 31N40W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN
NE SWELL.

.ATLC WITHIN 27N35W TO 25N40W TO 08N49W TO 13N39W TO 07N35W TO
27N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE SWELL.
.24 HOUR FORECAST WITHIN 25N35W TO 23N39W TO 07N49W TO 12N39W TO
07N35W TO 25N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE
SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.ATLC AND CARIBBEAN AND GULF OF AMERICA WITHIN 24N80W TO 25N80W
TO 23N90W TO 21N92W TO 22N85W TO 23N84W TO 24N80W NE TO E WINDS
20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.CARIBBEAN WITHIN 13N74W TO 12N78W TO 11N79W TO 10N79W TO 10N76W
TO 11N74W TO 13N74W NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M IN
NE TO E SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.CARIBBEAN WITHIN 21N78W TO 23N82W TO 21N84W TO 19N81W TO 18N76W
TO 19N74W TO 21N78W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN
2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 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 CHRISTENSEN. NATIONAL HURRICANE CENTER.