HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC FRI APR 24 2026
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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC APR 24.
24 HOUR FORECAST VALID 0600 UTC APR 25.
48 HOUR FORECAST VALID 0600 UTC APR 26.
.WARNINGS.
...HURRICANE FORCE WIND WARNING...
.LOW 41N55W 985 MB MOVING NE 15 KT. WITHIN 90 NM S AND W
SEMICIRCLES WINDS 55 TO 70 KT. SEAS 5 TO 8 M. ALSO WITHIN 180 NM
OF LOW CENTER WINDS 40 TO 55 KT. SEAS 4 TO 6.5 M. ELSEWHERE
WITHIN 240 NM NE...480 NM SE...780 NM SW...AND 180 NM NW
QUADRANTS WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M. OTHERWISE S OF 45N
BETWEEN 50W AND 70W WINDS TO 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 45N50W 982 MB. WITHIN 300 NM SE SEMICIRCLE
WINDS 30 TO 40 KT. SEAS 4 TO 6.5 M. ELSEWHERE WITHIN 480 NM OF
LOW CENTER...AND WITHIN 600 NM SE QUADRANT WINDS 20 TO 30 KT.
SEAS 2.5 TO 5 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 48N46W 988
MB. WITHIN 360 NM SE SEMICIRCLE WINDS 20 TO 30 KT. SEAS 3 TO 5.5
M. ELSEWHERE FROM 40N TO 50N E OF 61W WINDS TO 25 KT. SEAS 2.5
TO 3.5 M.
...GALE WARNING...
.LOW JUST E OF AREA 40N34W 1001 MB MOVING NE 20 KT. WITHIN 300 NM
SW AND 420 NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M.
ELSEWHERE S OF 50N E OF 49W WINDS TO 25 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST LOW AND CONDITIONS E OF AREA.
...GALE WARNING...
.COMPLEX LOW E OF AREA WITH MAIN CENTER 51N30W 999 MB MOVING W 15
KT. WITHIN 600 NM NW AND W QUADRANTS WINDS 20 TO 30 KT. SEAS 3 TO
5 M. ELSEWHERE FROM 50N TO 60N E OF 52W WINDS TO 25 KT. SEAS 2.5
TO 3.5 M.
.12 HOUR FORECAST COMBINED LOW 52N36W 997 MB. BETWEEN 300 NM AND
600 NM NW QUADRANT WINDS 25 TO 40 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST LOW 53N38W 999 MB. BETWEEN 300 NM AND 480 NM NW
QUADRANT WINDS 25 TO 40 KT. SEAS 3 TO 4.5 M. ELSEWHERE FROM 50N
TO 60N E OF 57W WINDS TO 25 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DESCRIBED WITH HURRICANE FORCE WIND WARNING ABOVE.
...GALE WARNING...
.18 HOUR FORECAST NEW LOW NEAR 36N56W 1003 MB. WITHIN 120 NM S
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST NEW LOW NEAR 37N50W 1003 MB. WITHIN 540 NM S
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 3 TO 5 M. ALSO WITHIN 300 NM
SE SEMICIRCLE WINDS 20 TO 30 KT. SEAS 3 TO 4.5 M. ELSEWHERE S OF
40N BETWEEN 37W AND 65W WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 53N38W 988 MB. FROM 50N TO 56N E OF 46W
WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M. ELSEWHERE CONDITIONS
DESCRIBED WITH HURRICANE FORCE WIND WARNING ABOVE.
...GALE WARNING...
.30 HOUR FORECAST N OF 60N W OF 50W AREA OF N WINDS 25 TO 35 KT.
SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST NEW LOW NEAR 60N48W 1002 MB. N OF 52N BETWEEN
49W AND 58W WINDS 25 TO 40 KT. SEAS 3 TO 4.5 M. ELSEWHERE N OF
50N W OF 40W WINDS TO 25 KT. SEAS 2.5 TO 3.5 M.
...GALE WARNING...
.48 HOUR FORECAST NEW LOW NEAR 39N43W 1000 MB. WITHIN 300 NM SE
SEMICIRCLE AND 420 NM NE QUADRANT WINDS 25 TO 35 KT. SEAS 3 TO
4.5 M. ELSEWHERE S OF 40N E OF 62W WINDS TO 25 KT. SEAS 2.5 TO 4
M.
...HEAVY FREEZING SPRAY WARNING...
.LIGHT FREEZING SPRAY N OF 63N W OF 53W.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY NW OF A LINE
FROM 60N56W TO 65N52W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY NW OF A LINE
FROM 60N60W TO 67N52W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY
NW OF A LINE FROM 58N58W TO 63N50W.
.SYNOPSIS AND FORECAST.
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER INLAND NEAR 37N77W
1006 MB. WITHIN 360 NM NE QUADRANT WINDS 20 TO 30 KT. SEAS TO 3
M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 60N BETWEEN W
GREENLAND COAST AND 53W...FROM 40N TO 47N E OF 41W...AND FROM 40N
TO 47N BETWEEN 52W AND 67W.
.24 HOUR FORECAST DENSE FOG FROM 60N TO 63N BETWEEN W GREENLAND
COAST AND 53W...AND WITHIN 270 NM EITHER SIDE OF A LINE FROM
43N50W TO 51N54W TO 57N35W.
.48 HOUR FORECAST DENSE FOG WITHIN 330 NM EITHER SIDE OF A LINE
FROM 47N55W TO 58N35W.
.FORECASTER ANDERSON. 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 0600 UTC FRI APR 24.
24 HOUR FORECAST VALID 0600 UTC SAT APR 25.
48 HOUR FORECAST VALID 0600 UTC SUN APR 26.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC WITHIN 31N35W TO 31N49W TO 27N46W TO 30N43W TO 29N35W TO
31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO N SWELL.
.24 HOUR FORECAST WITHIN 31N35W TO 31N39W TO 30N44W TO 26N45W TO
26N43W TO 27N38W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0
M IN N TO NE SWELL.
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.ATLC 15 HOUR FORECAST WITHIN 31N52W TO 31N62W TO 30N61W TO
30N58W TO 30N56W TO 31N53W TO 31N52W WINDS 20 KT OR LESS. SEAS
2.5 TO 3.0 M IN NW SWELL.
.24 HOUR FORECAST WITHIN 31N45W TO 31N61W TO 30N60W TO 29N53W TO
30N46W TO 31N45W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN NW
SWELL.
.48 HOUR FORECAST WITHIN 31N42W TO 31N60W TO 28N56W TO 28N52W TO
30N43W TO 31N42W 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 RAMOS. NATIONAL HURRICANE CENTER.
$$