HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC MON JUL 27 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).
FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE
THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM).
SECURITE
NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W
ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS
SYNOPSIS VALID 1800 UTC JUL 27.
24 HOUR FORECAST VALID 1800 UTC JUL 28.
48 HOUR FORECAST VALID 1800 UTC JUL 29.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.LOW 45N42W 1006 MB MOVING SE 15 KT. WITHIN 300 NM SE...
AND 420 NM W AND SW QUADRANTS WINDS 20 TO 30 KT. SEAS
TO 3.5 M.
.24 HOUR FORECAST LOW 41N35W 1006 MB. WITHIN 420 NM SW
AND 180 NM NW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS E OF
AREA.
.LOW 42N61W 1002 MB MOVING NE 10 KT. WITHIN 240 NM NE...
600 NM S AND SE...AND 180 NM NW QUADRANTS WINDS 20 TO
30 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST LOW 45N59W 1003 MB. WITHIN 240 NM S AND
SE QUADRANTS...AND WITHIN 420 NM E OF A FRONT FORECAST
TO EXTEND FROM 31N71W TO 41N57W WINDS 20 TO 30 KT. SEAS
TO 3.5 M.
.48 HOUR FORECAST LOW 50N52W 1005 MB. WITHIN 360 NM E AND
NE...AND 120 NM NW QUADRANTS WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 41N73W 999 MB. WITHIN AN AREA
BOUNDED BY 41N50W TO 31N61W TO 31N80W TO 43N71W TO
41N50W WINDS 20 TO 30 KT. SEAS TO 3 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N
TO 50N BETWEEN 42W AND 61W...WITHIN 120 NM W AND SW OF
THE SW GREENLAND COAST S OF 66N...AND N OF 58N W OF 61W.
.24 HOUR FORECAST DENSE FOG FROM 42N TO 53N BETWEEN
44W AND 56W...AND N OF 56N W OF 44W.
.48 HOUR FORECAST DENSE FOG N OF 42N W OF 56W.
.FORECASTER MILLS. 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 1800 UTC MON JUL 27.
24 HOUR FORECAST VALID 1800 UTC TUE JUL 28.
48 HOUR FORECAST VALID 1800 UTC WED JUL 29.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC 18 HOUR FORECAST WITHIN 31N64W TO 31N70W TO 30N70W TO
29N69W TO 29N66W TO 31N64W S TO SW WINDS 20 TO 25 KT. SEAS 2.5
TO 3.0 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WITHIN 31N64W TO 31N70W TO 30N70W TO 29N69W TO
29N66W TO 31N64W SW WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.CARIBBEAN WITHIN 13N68W TO 15N70W TO 14N75W TO 12N75W TO 11N72W
TO 11N69W TO 13N68W...INCLUDING THE GULF OF VENEZUELA... E WINDS
20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WITHIN 13N68W TO 15N70W TO 14N75W TO 12N75W TO
11N72W TO 11N69W TO 13N68W...INCLUDING THE GULF OF VENEZUELA...
E WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.FORECASTER LANDSEA. NATIONAL HURRICANE CENTER.
$$