HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC FRI APR 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC APR 24.
24 HOUR FORECAST VALID 1200 UTC APR 25.
48 HOUR FORECAST VALID 1200 UTC APR 26.
.WARNINGS.
...STORM WARNING...
.LOW 42N53W 982 MB MOVING NE 15 KT. WITHIN 120 NM SW SEMICIRCLE
WINDS 45 TO 55 KT. SEAS 5 TO 8 M. ELSEWHERE FROM 32N TO 46N
BETWEEN 58W AND 46W...AND FROM 35N TO 38N BETWEEN 61W AND
58W...WINDS 30 TO 45 KT. SEAS 2.5 TO 7.5 M...HIGHEST WITHIN 180
NM S QUADRANT OF LOW. ELSEWHERE WITHIN AN AREA BOUNDED BY A LINE
FROM 31N46W TO 50N46W TO 50N54W TO 38N70W TO 31N66W WINDS 20 TO
30 KT. SEAS 2.5 TO 5.5 M.
.24 HOUR FORECAST LOW 46N49W 983 MB. BETWEEN 90 NM AND 360 NM S
AND SE QUADRANTS WINDS 25 TO 35 KT. SEAS 4 TO 6.5 M. ELSEWHERE
WITHIN AN AREA BOUNDED BY A LINE FROM 31N44W TO 40N35W TO 50N35W
TO 50N51W TO 40N66W TO 31N66W TO 31N44W WINDS 20 TO 30 KT. SEAS
2.5 TO 5.5 M.
.48 HOUR FORECAST LOW 48N46W 991 MB. WITHIN AN AREA BOUNDED BY A
LINE FROM 31N45W TO 50N35W TO 50N57W TO 31N67W TO 31N45W WINDS 20
TO 30 KT. SEAS 2.5 TO 4.5 M.
...GALE WARNING...
.COMPLEX LOW E OF AREA WITH MAIN CENTER 52N33W 995 MB MOVING W 15
KT. WITHIN AN AREA BOUNDED BY A LINE FROM 50N35W TO 63N35W TO
57N59W TO 50N54W TO 50N35W WINDS TO 25 KT. SEAS 2.5 TO 4 M.
.06 HOUR FORECAST WITHIN 60 NM EITHER SIDE OF A LINE FROM 58N46W
TO 60N42W AREA OF NE WINDS 30 TO 40 KT. SEAS 3 TO 4 M.
.24 HOUR FORECAST LOW ABSORBED BY LOW 46N49W DESCRIBED IN STORM
WARNING ABOVE. WITHIN AN AREA BOUNDED BY A LINE FROM 50N35W TO
62N35W TO 61N62W TO 50N51W TO 50N35W WINDS 20 TO 30 KT. SEAS 2.5
TO 4.5 M.
.48 HOUR FORECAST CONDITIONS ABSORBED BY LOW 54N42W DESCRIBED IN
GALE WARNING BELOW.
...GALE WARNING...
.24 HOUR FORECAST NEW LOW NEAR 40N45W 998 MB. WITHIN 120 NM
EITHER SIDE OF A LINE FROM 36N47W TO 41N43W AREA OF SW WINDS 30
TO 45 KT. SEAS 4 TO 5 M. ELSEWHERE CONDITIONS DESCRIBED WITH LOW
46N49W IN STORM WARNING ABOVE.
.48 HOUR FORECAST LOW 54N42W 984 MB. FROM 52N TO 56N BETWEEN 42W
AND 35W WINDS 25 TO 40 KT. SEAS 2.5 TO 5.5 M. ELSEWHERE WITHIN AN
AREA BOUNDED BY A LINE FROM 50N35W TO 58N35W TO 60N47W TO 50N47W
TO 50N35W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M.
...GALE WARNING...
.FROM 64N TO 67N BETWEEN 57W AND 53W AREA OF N WINDS 20 TO 30 KT.
SEAS TO 3 M.
.24 HOUR FORECAST FROM 61N TO 67N BETWEEN 59W AND 50W AREA OF N
WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.36 HOUR FORECAST FROM 61N TO 67N BETWEEN 56W AND 50W AREA OF N
WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST FROM 50N TO 67N BETWEEN 61W AND 47W AREA OF N
WINDS 30 TO 45 KT. SEAS 2.5 TO 6 M.
...GALE WARNING...
.36 HOUR FORECAST WITHIN 120 NM EITHER SIDE OF A LINE FROM 33N55W
TO 37N50W AREA OF NW WINDS 25 TO 35 KT. SEAS 3 TO 4 M.
.48 HOUR FORECAST WITHIN 180 NM E OF A FRONT FROM 31N45W TO
50N35W AREA OF S WINDS 25 TO 40 KT. SEAS 2.5 TO 6 M. ELSEWHERE
FROM 31N TO 42N BETWEEN 41W AND 35W WINDS 20 TO 30 KT. SEAS 2.5
TO 4 M.
...GALE WARNING...
.48 HOUR FORECAST NEW 63N37W 1002 MB. FROM 64N TO 66N BETWEEN 39W
AND 35W WINDS 30 TO 40 KT. SEAS TO 3 M. ELSEWHERE BETWEEN A FRONT
FROM 59N42W TO 64N35W AND THE E COAST OF GREENLAND WINDS 20 TO 30
KT. SEAS TO 2.5 M.
...HEAVY FREEZING SPRAY WARNING...
.LIGHT FREEZING SPRAY NW OF A LINE FROM 61N57W TO 67N54W.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY NW OF A LINE
FROM 60N58W TO 67N52W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY NW OF A LINE
FROM 61N58W TO 67N52W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY
NW OF A LINE FROM 59N60W TO 61N49W.
.SYNOPSIS AND FORECAST.
.LOW E OF AREA 40N33W 1004 MB MOVING NE 20 KT. FROM 36N TO 40N
BETWEEN 39W AND 35W WINDS 20 TO 30 KT. SEAS 3 TO 4.5 M. ELSEWHERE
FROM 31N TO 50N BETWEEN 46W AND 35W WINDS LESS THAN 25 KT. SEAS
2.5 TO 4.5 M.
.24 HOUR FORECAST LOW AND CONDITIONS MOVED E OF AREA.
.24 HOUR FORECAST WITHIN 120 NM EITHER SIDE OF A LINE FROM 47N64W
TO 52N56W AREA OF N WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST CONDITIONS MERGED WITH LOW 48N46W DESCRIBED IN
STORM WARNING ABOVE.
.48 HOUR FORECAST NEW LOW 38N73W 1009 MB. FROM 38N TO 41N BETWEEN
76W AND 69W WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 43N TO 45N
BETWEEN 66W AND 62W...FROM 42N TO 47N BETWEEN 57W AND 50W...FRM
51N TO 58N BETWEEN 45W AND 36W...AND FROM 59N TO 61N BETWEEN 50W
AND 45W.
.24 HOUR FORECAST DENSE FOG WITHIN 90 NM EITHER SIDE OF A LINE
FROM 44N58W TO 48N47W...WITHIN 240 NM EITHER SIDE OF A LINE FROM
51N53W TO 58N35W...AND WITHIN 90 NM EITHER SIDE OF A LINE FROM
58N54W TO 61N46W.
.48 HOUR FORECAST DENSE FOG FROM 45N TO 50N BETWEEN 53W AND
47W...AND WITHIN 120 NM EITHER SIDE OF A LINE FROM 51N51W TO
62N35W.
.FORECASTER CONNELLY. 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 FRI APR 24.
24 HOUR FORECAST VALID 1200 UTC SAT APR 25.
48 HOUR FORECAST VALID 1200 UTC SUN APR 26.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
ATLC COLD FRONT FROM 31N38W TO 25N50W. N OF 28N W OF FRONT TO 46W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N SWELL. N OF 29N E OF
FRONT WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N SWELL.
.12 HOUR FORECAST COLD FRONT FROM 31N35W TO 25N45W. N OF FRONT
AND
E OF 47W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N SWELL.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.ATLC 06 HOUR FORECAST N OF 30N BETWEEN 52W AND 64W WINDS 20 KT
OR
LESS. SEAS 2.5 TO 3.0 M IN NW SWELL.
.24 HOUR FORECAST N OF 30N BETWEEN 50W AND 62W SW TO W WINDS 20
TO
25 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE N OF A LINE FROM 31N45W TO
29N50W TO 29N55W TO 31N62W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M
IN
NW SWELL.
.48 HOUR FORECAST N OF A LINE FROM 31N38W TO 29N45W TO 29N55W TO
31N58W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.FORECASTER GR. NATIONAL HURRICANE CENTER.
$$