HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC TUE APR 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 28.
24 HOUR FORECAST VALID 1200 UTC APR 29.
48 HOUR FORECAST VALID 1200 UTC APR 30.
.WARNINGS.
...STORM WARNING...
.LOW 64N37W 984 MB MOVING NE 10 KT. FROM 57N TO 60N BETWEEN 35W
AND 45W WINDS 40 TO 55 KT. SEAS 5.5 TO 9 M. ELSEWHERE FROM 56N
TO 61N BETWEEN 35W AND 49W WINDS 25 TO 40 KT. SEAS 3 TO 7.5 M.
ALSO N OF 62N E OF GREENLAND WINDS 25 TO 35 KT. SEAS 2.5 TO 5.5
M.
.24 HOUR FORECAST LOW N OF THE AREA. FROM 57N TO 60N E OF 44W
WINDS 25 TO 35 KT. SEAS 2.5 TO 5.5 M.
.48 HOUR FORECAST FROM 56N TO 61N E OF 45W WINDS 25 TO 35 KT.
SEAS 2.5 TO 5 M. ELSEWHERE FROM 55N TO 62N E OF 50W WINDS 20 TO
30 KT. SEAS 2.5 TO 4 M.
...GALE WARNING...
.COMPLEX LOW WITH MAIN LOW 41N36W 1008 MB MOVING SE 15 KT AND
SECOND LOW 47N35W 1008 MB NEARLY STATIONARY. WITHIN 240 NM W AND
300 NM NW QUADRANTS OF SECOND LOW AND 360 NM W AND SW QUADRANTS
OF MAIN LOW WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M.
.24 HOUR FORECAST LOW E OF THE AREA 39N29W 1004 MB. E OF A LINE
FROM 52N35W TO 45N42W TO 38N35W WINDS 20 TO 30 KT. SEAS 2.5 TO
4.5 M.
.48 HOUR FORECAST LOW E OF AREA. FROM 43N TO 50N E OF 41W WINDS
20 TO 30 KT. SEAS 2.5 TO 4 M.
...GALE WARNING...
.LOW 39N65W 1005 MB MOVING SE 15 KT. FROM 35N TO 43N BETWEEN 57W
AND 70W WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE FROM 32N
TO 44N BETWEEN 57W AND 69W WINDS TO 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 35N60W 1002 MB. WITHIN 240 NM N OF A LINE
FROM 37N66W TO 35N60W TO 33N52W WINDS 25 TO 35 KT. SEAS 3 TO 5.5
M.
.48 HOUR FORECAST LOW 35N48W 1002 MB. WITHIN 360 NM N AND 300 NM
NE QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF 63N W OF 54W. ELSEWHERE
LIGHT FREEZING SPRAY N OF 58N W OF 45W.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 61N W OF
GREENLAND.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 63N W OF
GREENLAND.
.SYNOPSIS AND FORECAST.
.48 HOUR FORECAST LOW 37N73W 1004 MB. WITHIN 360 NM S QUADRANT
WINDS TO 25 KT. SEAS TO 2.5 M.
.DENSE FOG. 18 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM
FROM 58N TO 63N W OF 53W.
.24 HOUR FORECAST DENSE FOG WITHIN 180 NM N OF A LINE FROM
61N60W TO 59N49W.
.48 HOUR FORECAST CONDTIONS IMPROVED.
.FORECASTER ROWLAND. 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 TUE APR 28.
24 HOUR FORECAST VALID 1200 UTC WED APR 29.
48 HOUR FORECAST VALID 1200 UTC THU APR 30.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC WITHIN 31N56W TO 31N61W TO 29N60W TO 29N58W TO 30N57W TO
31N56W S WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST WITHIN 31N46W TO 31N54W TO 28N50W TO 29N47W TO
31N46W S TO SW WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M. WITHIN
31N56W TO 31N70W TO 28N66W TO 28N62W TO 29N57W TO 31N56W W TO NW
WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST WITHIN 31N38W TO 31N47W TO 26N46W TO 27N43W TO
31N38W SW TO W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M. WITHIN
31N49W TO 31N63W TO 27N62W TO 25N59W TO 27N51W TO 31N49W WINDS 20
KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO N SWELL.
.ATLC 24 HOUR FORECAST WITHIN 31N35W TO 31N38W TO 28N35W TO
31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO N SWELL.
.48 HOUR FORECAST WITHIN 31N35W TO 31N37W TO 30N36W TO 29N35W TO
31N35W S WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.CARIBBEAN 06 HOUR FORECAST WITHIN 13N69W TO 14N73W TO 13N75W TO
11N74W TO 11N68W TO 13N69W...INCLUDING THE GULF OF VENEZUELA...
NE TO E WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 13N69W TO 14N72W TO 12N77W TO 11N76W TO
12N73W TO 11N69W TO 13N69W...INCLUDING THE GULF OF VENEZUELA...
E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST WITHIN 13N68W TO 14N71W TO 13N74W TO 11N73W TO
11N71W TO 11N68W TO 13N68W...INCLUDING THE GULF OF VENEZUELA...
E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.GULF OF AMERICA 09 HOUR FORECAST WITHIN 22N88W TO 23N90W TO
22N91W TO 20N91W TO 21N89W TO 22N88W...INCLUDING WITHIN 60 NM OF
COAST OF CAMPECHE... NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN
2.5 M.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.33 HOUR FORECAST WITHIN 22N88W TO 23N90W TO 22N91W TO 20N91W TO
21N89W TO 22N88W...INCLUDING WITHIN 60 NM OF COAST OF
CAMPECHE... NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.42 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 AL. NATIONAL HURRICANE CENTER.