HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC SAT FEB 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC FEB 21.
24 HOUR FORECAST VALID 0000 UTC FEB 22.
48 HOUR FORECAST VALID 0000 UTC FEB 23.
.WARNINGS.
...STORM WARNING...
.LOW 54N39W 964 MB MOVING NE 10 KT. WITHIN 240 NM SE OF A LINE
FROM 55N52W TO 63N41W...AND BETWEEN 180 NM AND 540 NM S QUADRANT.
WINDS 40 TO 55 KT. SEAS 4 TO 9 M. ALSO E OF A LINE FROM 40N50W TO
47N59W TO 65N55W WINDS 25 TO 40 KT. SEAS 3 TO 7 M. ELSEWHERE S OF
50N E OF 55W WINDS LESS THAN 25 KT. SEAS 2.5 TO 5 M...EXCEPT
WHERE DESCRIBED BELOW WITH LOW 40N71W.
.24 HOUR FORECAST LOW E OF AREA NEAR 57N33W 969 MB. WITHIN 480 NM
SW...AND 420 NM NW QUADRANTS WINDS 40 TO 50 KT. SEAS 5 TO 9 M.
ELSEWHERE E OF A LINE FROM 45N35W TO 52N55W TO 60N60W TO 65N52W
WINDS 25 TO 40 KT. SEAS 2.5 TO 6.5 M...HIGHEST NEAR LOW CENTER.
.48 HOUR FORECAST LOW WELL E OF AREA. E OF A LINE FROM 55N56W TO
61N63W TO 65N42W WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M.
...STORM WARNING...
.LOW 40N71W 1000 MB MOVING NE 35 KT AND RAPIDLY INTENSIFYING.
WITHIN AN AREA BOUNDED BY A LINE FROM 31N80W TO 43N71W TO 31N49W
TO 31N80W WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST LOW 43N53W 964 MB. FROM 38N TO 46N BETWEEN 57W
AND 44W WINDS 45 TO 60 KT. SEAS 4 TO 9 M. ALSO FROM 35N TO 47N
BETWEEN 61W AND 42W...AND WITHIN THE GULF OF SAINT LAWRENCE WINDS
30 TO 45 KT. SEAS 2.5 TO 5.5 M. ELSEWHERE FROM 31N TO 50N E OF
68W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST LOW 45N44W 972 MB. WITHIN 480 NM S...AND 360 NM
W SEMICIRCLES WINDS 40 TO 50 KT. SEAS 6 TO 10.5 M. ELSEWHERE FROM
31N TO 55N E OF 60W WINDS 25 TO 40 KT. SEAS 2.5 TO 6 M...HIGHEST
NEAR LOW CENTER.
...GALE WARNING...
.48 HOUR FORECAST NEW LOW 38N74W 990 MB. FROM 31N TO 43N W OF 63W
WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M.
...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING WITHIN THE GULF OF SAINT
LAWERENCE...AND N OF 63N W OF GREENLAND. ELSEWHERE LIGHT TO
MODERATE FREEZING SPRAY N OF A LINE FROM 59N62W TO 62N49W...N OF
63N E OF GREENLAND...AND FROM 44N TO 52N BETWEEN 67W AND 52W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 62N W OF
GREENLAND. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF A LINE
FROM 54N58W TO 60N47W...N OF 63N E OF GREENLAND...AND FROM 43N TO
50N BETWEEN 64W AND 46W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 62N W OF
GREENLAND. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 63N E
OF GREENLAND...AND N OF A LINE FROM 43N66W TO 59N44W.
.SYNOPSIS AND FORECAST.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 50N TO 54N
BETWEEN 62W TO 44W...AND WITHIN 240 NM E OF A LINE FROM 54N52W TO
62N42W.
.24 HOUR FORECAST DENSE FOG FROM 43N TO 51N BETWEEN 61W AND
46W...AND N OF 55N E OF 42W.
.48 HOUR FORECAST DENSE FOG WITHIN 240 NM SE OF A LINE FROM
45N53W TO 53N43W...AND FROM 36N TO 42N BETWEEN 77W AND 71W.
.FORECASTER BYRD. 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 0000 UTC SAT FEB 21.
24 HOUR FORECAST VALID 0000 UTC SUN FEB 22.
48 HOUR FORECAST VALID 0000 UTC MON FEB 23.
.WARNINGS.
...GULF OF AMERICA GALE WARNING...
.27 HOUR FORECAST WITHIN 28N94W TO 29N95W TO 28N97W TO 27N97W TO
26N97W TO 26N96W TO 28N94W N WINDS 20 TO 30 KT. SEAS LESS THAN
2.5 M.
.36 HOUR FORECAST WITHIN 23.5N97W TO 23N97.5W TO 22.5N98W TO
22.5N97.5W TO 22.5N97W TO 23.5N97W N WINDS 30 TO 35 KT. SEAS 2.5
TO 3.0 M. ELSEWHERE WITHIN 30N85W TO 30N88W TO 28N97W TO 22N98W
TO 19N96W TO 24N93W TO 30N85W...INCLUDING WITHIN 60 NM OF COAST
OF VERACRUZ...N WINDS 20 TO 30 KT. SEAS TO 3.5 M IN N SWELL.
.48 HOUR FORECAST WITHIN 20N96W TO 19N96W TO 19N95W TO
20N96W...INCLUDING WITHIN 60 NM OF COAST OF VERACRUZ... NW TO N
WINDS 30 TO 40 KT. SEAS 3.0 TO 4.0 M. ELSEWHERE WITHIN 30N84W TO
30N89W TO 27N95W TO 22N98W TO 18N95W TO 25N81W TO 30N84W...
INCLUDING WITHIN 60 NM OF COAST OF CAMPECHE...N WINDS 20 TO 30
KT. SEAS 2.5 TO 4.0 M IN N SWELL. REMAINDER OF AREA WITHIN
28N93W TO 27N96W TO 27N97W TO 24N98W TO 26N96W TO 26N95W TO
28N93W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN NE SWELL.
.SYNOPSIS AND FORECAST.
.ATLC WITHIN 30N35W TO 31N58W TO 29N51W TO 28N48W TO 29N43W TO
30N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW SWELL.
.24 HOUR FORECAST WITHIN 31N35W TO 31N42W TO 31N59W TO 30N56W TO
30N43W TO 27N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0
M IN W TO NW SWELL.
.48 HOUR FORECAST WITHIN 31N41W TO 31N59W TO 29N56W TO 29N49W TO
31N41W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.0 M IN NW SWELL.
.ATLC WITHIN 13N48W TO 13N52W TO 16N52W TO 17N57W TO 10N58W TO
09N51W TO 13N48W WINDS 20 KT OR LESS. SEAS 2.5 M IN MIXED N AND
NE SWELL.
.24 HOUR FORECAST WITHIN 11N41W TO 12N55W TO 11N60W TO 07N57W TO
06N53W TO 07N43W TO 11N41W...INCLUDING ATLANTIC EXPOSURES...
WINDS 20 KT OR LESS. SEAS 2.5 M IN MIXED N AND NE SWELL.
.48 HOUR FORECAST WITHIN 09N40W TO 10N53W TO 07N55W TO 06N52W TO
08N40W TO 09N40W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED
N AND NE SWELL.
.ATLC 42 HOUR FORECAST WITHIN 31N70W TO 31N77W TO 29N80W TO
29N79W TO 30N77W TO 31N70W SW TO W WINDS 20 TO 25 KT. SEAS LESS
THAN 2.5 M. WITHIN 30N78W TO 31N77W TO 31N81W TO 29N81W TO 29N80W
TO 30N78W NW WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST WITHIN 31N68W TO 31N73W TO 28N77W TO 28N76W TO
29N72W TO 29N71W TO 31N68W SW TO W WINDS 20 TO 25 KT. SEAS TO
2.5 M IN W SWELL. WITHIN 31N74W TO 31N81W TO 29N81W TO 28N78W TO
31N74W NW WINDS 20 TO 30 KT. SEAS TO 3.0 M IN NW SWELL.
.CARIBBEAN WITHIN 13N70W TO 14N72W TO 14N76W TO 11N75W TO 12N73W
TO 11N70W TO 13N70W...INCLUDING THE GULF OF VENEZUELA... NE TO E
WINDS 20 TO 30 KT. SEAS TO 3.0 M IN NE TO E SWELL. ELSEWHERE
WITHIN
14N69W TO 16N77W TO 14N80W TO 10N78W TO 12N73W TO 11N71W TO
14N69W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E SWELL.
.24 HOUR FORECAST WITHIN 11N64W TO 12N68W TO 11N68W TO 11N66W TO
10N65W TO 11N64W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5
M. WITHIN 13N71W TO 14N74W TO 13N77W TO 11N75W TO 12N73W TO
11N70W TO 13N71W...INCLUDING THE GULF OF VENEZUELA... NE TO E
WINDS 20 TO 30 KT. SEAS TO 3.0 M. ELSEWHERE WITHIN 16N73W TO
16N76W TO 14N81W TO 10N81W TO 10N78W TO 13N71W TO 16N73W WINDS 20
KT OR LESS. SEAS 2.5 TO 3.0 M IN E SWELL.
.48 HOUR FORECAST WITHIN 11N65W TO 12N66W TO 12N68W TO 11N67W TO
11N66W TO 10N65W TO 11N65W NE TO E WINDS 20 TO 25 KT. SEAS LESS
THAN 2.5 M. WITHIN 12N70W TO 12N73W TO 13N74W TO 11N75W TO 11N71W
TO 11N70W TO 12N70W...INCLUDING THE GULF OF VENEZUELA... NE TO E
WINDS 20 TO 25 KT. SEAS TO 2.5 M. WITHIN 12N77W TO 12N78W TO
12N79W TO 11N79W TO 10N79W TO 10N78W TO 12N77W WINDS 20 KT OR
LESS. SEAS 2.5 M IN NE TO E SWELL.
.CARIBBEAN WITHIN 17N86W TO 17N87W TO 16N86W TO 16N85W TO 17N86W
E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 17N85.5W TO 16.5N86W TO 17N86W TO
16N86.5W TO 16N85.5W TO 16.5N85W TO 17N85.5W E WINDS 20 TO 25 KT.
SEAS LESS THAN 2.5 M.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.GULF OF AMERICA WITHIN 23N87W TO 23N88W TO 23N89W TO 22N89W TO
22N88W TO 22N87W TO 23N87W SE WINDS 20 TO 25 KT. SEAS LESS THAN
2.5 M. WITHIN 26.5N91W TO 26.5N91.5W TO 26N92W TO 25.5N92W TO
25.5N91.5W TO 26N91W TO 26.5N91W WINDS 20 KT OR LESS. SEAS 2.5 M
IN SE SWELL.
.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 STRIPLING. NATIONAL HURRICANE CENTER.
$$