HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC SUN APR 26 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC APR 26.
24 HOUR FORECAST VALID 1200 UTC APR 27.
48 HOUR FORECAST VALID 1200 UTC APR 28.
.WARNINGS.
...HURRICANE FORCE WIND WARNING...
.LOW 61N47W 1001 MB MOVING E 05 KT AND INTENSIFYING. FROM 58N TO
66N BETWEEN 49W AND 57W AREA OF N WINDS 30 TO 45 KT. SEAS 3 TO
5.5 M. ELSEWHERE N OF 58N W OF 47W WINDS 20 TO 30 KT. SEAS 2.5
TO 4 M.
.12 HOUR FORECAST LOW 61N45W 989 MB. WITHIN 240 NM SW AND W
QUADRANTS WINDS 40 TO 50 KT. SEAS 5 TO 7.5 M.
.24 HOUR FORECAST LOW 62N41W 978 MB. BETWEEN 120 NM AND 300 NM
SW QUADRANT WINDS 45 TO 60 KT. SEAS 5 TO 8.5 M. ALSO WITHIN 360
NM S AND 420 NM W QUADRANTS WINDS 30 TO 45 KT. SEAS 3 TO 7 M.
ELSEWHERE N OF 54N W OF 37W WINDS 20 TO 30 KT. SEAS 2.5 TO 6
M...HIGHEST NEAR 55N48W.
.36 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 63N40W 976
MB. BETWEEN 180 NM AND 300 NM S AND SW QUADRANTS WINDS 50 TO 65
KT. SEAS 7.5 TO 9.5 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 64N38W 985
MB. BETWEEN 240 NM AND 360 NM S AND SW QUADRANTS WINDS 40 TO 55
KT. SEAS 5 TO 9 M...HIGHEST NEAR 60N36W. ALSO FROM 56N TO 62N E
OF 50W WINDS 25 TO 40 KT. SEAS 3 TO 7 M. ELSEWHERE N OF 53N E OF
53W WINDS TO 25 KT. SEAS 2.5 TO 5 M.
...STORM WARNING...
.LOW 62N35W 1002 MB MOVING NW 05 KT. N OF 63N E OF GREENLAND
WINDS 25 TO 40 KT. SEAS 2.5 TO 3.5 M.
.12 HOUR FORECAST LOW 63N37W 990 MB. N OF 64N E OF GREENLAND
WINDS 35 TO 50 KT. SEAS 3 TO 5 M.
.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 62N41W
ABOVE.
...GALE WARNING...
.LOW 49N47W 988 MB MOVING E 10 KT THEN TURNING SE AFTER 12
HOURS. BETWEEN 240 NM AND 480 NM NW AND W QUADRANTS WINDS 25 TO
35 KT. SEAS 3 TO 5 M. ELSEWHERE...EXCEPT WHERE OTHERWISE
DESCRIBED...S OF 58N E OF 61W WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M
IN MIXED SWELL...HIGHEST NEAR 47N41W.
.24 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER 47N43W 1001 MB.
BETWEEN 120 NM AND 360 NM W SEMICIRCLE WINDS 25 TO 40 KT. SEAS 3
TO 6.5 M...HIGHEST NEAR 49N50W. ELSEWHERE WITHIN 780 NM S...600
NM W AND 420 NM NW QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5
M...HIGHEST N AND W OF CENTER.
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER 43N37W 1008 MB.
FROM 32N TO 53N E OF 49W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M.
...GALE WARNING...
.LOW 55N44W 990 MB MOVING W 10 KT THEN DISSIPATING. WITHIN 180
NM NW AND 240 NM W QUADRANTS WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M.
ELSEWHERE CONDITIONS DESCRIBED WITH FIRST GALE WARNING ABOVE.
.24 HOUR FORECAST CONDITIONS DESCRIBED WITH LOW 62N41W ABOVE.
...GALE WARNING...
.LOW 42N41W 998 MB MOVING NE 40 KT. WITHIN 360 NM E AND 540 NM S
QUADRANTS WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE
CONDITIONS DESCRIBED WITH FIRST GALE WARNING ABOVE.
.24 HOUR FORECAST LOW E OF AREA 57N33W 998 MB. FROM 41N TO 60N
BETWEEN 38W AND 35W WINDS TO 25 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST LOW AND CONDITIONS E OF AREA.
...GALE WARNING...
.LOW 38N72W 1009 MB MOVING E 10 KT. WITHIN 180 NM NW AND NE
SEMICIRCLES WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.12 HOUR FORECAST LOW 38N70W 1010 MB. WITHIN 180 NM N SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST LOW 38N67W 1010 MB. WITHIN 180 NM N AND
BETWEEN 90 NM AND 240 NM W QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5
TO 4.5 M. ELSEWHERE FROM 35N TO 42N W OF 63W AND W OF A LINE
FROM 31N76W TO 35N69W WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 38N66W 1007 MB. BETWEEN 120 NM AND 240 NM
NW SEMICIRCLE WINDS 25 TO 35 KT. SEAS 3 TO 5 M. ELSEWHERE WITHIN
360 NM OF LOW CENTER WINDS 20 TO 30 KT. SEAS TO 3.5 M.
...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY NW AND N OF A LINE FROM 61N61W
TO 63N51W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF A
LINE FROM 60N61W TO 61N49W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 62N W OF
GREENLAND...AND WITHIN 90 NM W OF GREENLAND S OF 62N. ELSEWHERE
LIGHT TO MODERATE FREEZING SPRAY N OF 58N W OF 43W.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 60N W OF
44W.
.SYNOPSIS AND FORECAST.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 36N TO 39N W
OF 74W...FROM 46N TO 51N BETWEEN 48W AND 54W...WITHIN 240 NM S
OF A LINE FROM 62N35W TO 56N45W...AND N OF 63N E OF GREENLAND.
.24 HOUR FORECAST DENSE FOG N OF 63N E OF GREENLAND.
.48 HOUR FORECAST DENSE FOG N OF 64N E OF GREENLAND.
.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 1200 UTC SUN APR 26.
24 HOUR FORECAST VALID 1200 UTC MON APR 27.
48 HOUR FORECAST VALID 1200 UTC TUE APR 28.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC COLD FRONT FROM 31N45W TO 28N57W THEN STATIONARY TO
30N65W. N
OF 28N E OF FRONT TO 40W S TO SW WINDS 20 TO 25 KT. SEAS 2.5 TO
3 M.
.24 HOUR FORECAST N OF 29N BETWEEN 40W AND 46W WINDS 20 KT OR
LESS.
SEAS 2.5 TO 3.0 M IN NW SWELL.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.ATLC 24 HOUR FORECAST COLD FRONT FROM 31N74W TO 27N80W. W OF A
LINE
FROM 31N78W TO 30N81W NE WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M.
.36 HOUR FORECAST COLD FRONT FROM 31N67W TO 26N80W. N OF 30N
BETWEEN
75W AND 80W NE WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M.
.48 HOUR FORECAST 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 GR. NATIONAL HURRICANE CENTER.