HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC MON AUG 03 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 AUG 03.
24 HOUR FORECAST VALID 1800 UTC AUG 04.
48 HOUR FORECAST VALID 1800 UTC AUG 05.
.WARNINGS.
...GALE WARNING...
.INLAND LOW 46N73W 998 MB MOVING NE 20 KT. W AND NW OF A LINE
FROM 31N73W TO 40N61W TO 45N66W AND IN THE BAY OF FUNDY AND THE
GULF OF SAINT LAWRENCE WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.18 HOUR FORECAST LOW 50N66W 992 MB. BETWEEN 90 NM AND 360 NM SE
SEMICIRCLE...INCLUDING THE GULF OF SAINT LAWRENCE WINDS 25 TO 35
KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST INLAND LOW 52N64W 992 MB. BETWEEN 240 NM AND
600 NM NE...300 NM AND 540 NM E...90 NM AND 480 NM SE AND 360 NM
AND 480 NM S QUADRANTS...INCLUDING THE GULF OF SAINT LAWRENCE
WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M...HIGHEST IN THE CENTRAL
GULF OF SAINT LAWRENCE.
.48 HOUR FORECAST LOW 50N54W 1002 MB. BETWEEN 240 NM AND 480 NM
NE...120 NM AND 480 NM SE...60 NM AND 480 NM S AND 180 NM AND 540
NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.SYNOPSIS AND FORECAST.
.WITHIN 90 NM SE AND S OF A LINE FROM 62N39W TO 60N43W TO 60N45W
AREA OF SW WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST FROM 55N TO 60N E OF 40W AND FROM 60N TO 62N E
OF 40W AREA OF SW TO W WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST NEW LOW 60N43W 1004 MB. FROM 55N TO 60N E OF
46W AREA OF SW TO W WINDS 20 TO 30 KT. SEAS TO 3.5 M...HIGHEST
NEAR 35W.
.LOW 41N36W 1009 MB MOVING NE 10 KT. WITHIN 120 NM N AND NE OF A
LINE FROM 43N46W TO 43N35W WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW E OF THE AREA 41N33W 1013 MB. FROM 40N TO
46N E OF 40W WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW E OF AREA 42N32W 1014 MB. FROM 38N TO 45N E
OF 40W WINDS LESS THAN 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST N OF 63N W OF GREENLAND WINDS TO 25 KT. SEAS TO
3 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 180 NM NE OF
A LINE FROM 52N52W TO 57N58W...W OF A LINE FROM 57N58W TO 61N61W
TO THE COAST OF LABRADOR AND WITHIN 60 NM W OF A LINE FROM 65N54W
TO 67N55W.
.24 HOUR FORECAST DENSE FOG N OF A LINE FROM 46N59W TO 46N55W TO
THE S COAST OF NEWFOUNDLAND...FROM 52N TO 57N BETWEEN 48W AND
55W...FROM 57N TO 60N W OF 40W AND FROM 60N TO 62N W OF 58W.
.48 HOUR FORECAST DENSE FOG WITHIN 60 NM W OF A LINE FROM 47N46W
TO 50N46W...FROM 50N TO 53N BETWEEN 50W AND 53W...FROM 55N TO 58N
W OF 40W AND FROM 58N TO 61N W OF 55W.
.FORECASTER FUTTERMAN. 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 AUG 3.
24 HOUR FORECAST VALID 1800 UTC TUE AUG 4.
48 HOUR FORECAST VALID 1800 UTC WED AUG 5.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC 03 HOUR FORECAST WITHIN 21N70W TO 21N71W TO 21N72W TO
20N72W TO 20N71W TO 21N70W NE TO E WINDS 20 TO 25 KT. SEAS LESS
THAN 2.5 M.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 21N71W TO 21N72W TO 20N72W TO 20N71W TO
21N71W NE TO E 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.
.ATLC 42 HOUR FORECAST WITHIN 27N63W TO 27N67W TO 26N68W TO
25N66W TO 25N63W TO 26N62W TO 27N63W NE TO E WINDS 20 TO 25 KT.
SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST LITTLE CHANGE.
.CARIBBEAN WITHIN 14N71W TO 16N75W TO 16N77W TO 11N78W TO 12N74W
TO 12N69W TO 14N71W...INCLUDING THE GULF OF VENEZUELA...NE TO E
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.
$$