HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC MON SEP 07 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC SEP 07.
24 HOUR FORECAST VALID 0000 UTC SEP 08.
48 HOUR FORECAST VALID 0000 UTC SEP 09.
.WARNINGS.
...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 45N58W 998 MB MOVING NE 15 KT.
WITHIN 300 NM N OF A FRONT FROM MAIN CENTER TO 47N50W TO
45N43W...WITHIN THE GULF OF SAINT LAWRENCE...AND WITHIN 540 NM SW
QUADRANT WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE FROM 31N
TO 52N BETWEEN 36W AND 67W WINDS TO 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER 50N52W 998 MB.
BETWEEN 120 NM AND 420 NM NE QUADRANT WINDS 25 TO 35 KT. SEAS 2.5
TO 4.5 M. ELSEWHERE FROM 31N TO 54N BETWEEN 36W AND 64W WINDS TO
25 KT. SEAS TO 3 M IN MIXED SWELL.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 54N43W 992
MB. WITHIN 360 NM SW SEMICIRCLE AND WITHIN 600 NM NW QUADRANT
WINDS 25 TO 40 KT. SEAS 2.5 TO 4 M. ELSEWHERE FROM 33N TO 63N E
OF 58W WINDS TO 25 KT. SEAS TO 3 M IN MIXED SWELL.
.SYNOPSIS AND FORECAST.
.LOW 66N61W 999 MB MOVING NE 20 KT. WITHIN 90 NM OF THE W
GREENLAND COAST N OF 64N WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW WELL NE OF AREA AND NEW LOW TO FORM NEAR
67N60W 1001 MB. WITHIN 420 NM S QUADRANT WINDS 20 TO 30 KT. SEAS
TO 2.5 M.
.48 HOUR FORECAST LOW AND CONDITIONS DESCRIBED WITH GALE WARNING
IN WARNINGS SECTION ABOVE.
.WITHIN 360 NM NE OF A LINE FROM 58N46W TO 51N40W WINDS TO 25 KT.
SEAS TO 3.5 M...HIGHEST NEAR 53N35W IN NW SWELL.
.24 HOUR FORECAST FROM 53N TO 60N E OF 44W AREA OF SW TO W WINDS
TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST NEW LOW NEAR 56N36W 990 MB. WITHIN 180 NM SW
QUADRANT WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST NEW LOW NEAR 46N57W 1012 MB. WITHIN 300 NM W
SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 2.5 M...HIGHEST IN THE GULF
OF SAINT LAWRENCE.
.48 HOUR FORECAST S OF 34N W OF 68W AREA OF NE TO E WINDS TO 25
KT. SEAS TO 2.5 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 48N
BETWEEN 40W AND 58W.
.24 HOUR FORECAST DENSE FOG WITHIN 300 NM EITHER SIDE OF A LINE
FROM 53N54W TO 42N36W...AND N OF 59N BETWEEN 44W AND 52W.
.48 HOUR FORECAST DENSE FOG FROM 46N TO 59N E OF 45W.
.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 0000 UTC MON SEP 7.
24 HOUR FORECAST VALID 0000 UTC TUE SEP 8.
48 HOUR FORECAST VALID 0000 UTC WED SEP 9.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC 09 HOUR FORECAST WITHIN 31N56W TO 31N59.5W TO 31N59W TO
30.5N58W TO 30.5N56.5W TO 31N56W WINDS 20 KT OR LESS. SEAS 2.5
TO 3.0 M IN W TO NW SWELL.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.ATLC 18 HOUR FORECAST WITHIN 21N35W TO 20N38W TO 18N39W TO
16N38W TO 16N36W TO 17N35W TO 21N35W WINDS 20 KT OR LESS. SEAS
2.5 TO 3.0 M IN NE SWELL.
.24 HOUR FORECAST WITHIN 23N35W TO 22N42W TO 19N44W TO 15N41W TO
15N35W TO 23N35W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN
NE SWELL.
.48 HOUR FORECAST WITHIN 21N35W TO 22N50W TO 18N55W TO 13N52W TO
14N35W TO 21N35W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN
NE TO E SWELL.
.CARIBBEAN WITHIN 13N68W TO 15N71W TO 14N74W TO 12N74W TO 11N72W
TO 12N68W TO 13N68W...INCLUDING THE GULF OF VENEZUELA... E WINDS
20 TO 30 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 14N69W TO 15N74W TO 15N75W TO 11N74W TO
10N72W TO 12N66W TO 14N69W...INCLUDING THE GULF OF VENEZUELA...
E WINDS 20 TO 30 KT. SEAS 2.5 M.
.48 HOUR FORECAST WITHIN 14N69W TO 16N74W TO 16N77W TO 14N79W TO
11N78W TO 11N69W TO 14N69W...INCLUDING THE GULF OF VENEZUELA...
NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.CARIBBEAN 48 HOUR FORECAST WITHIN 18N86W TO 17N87W TO 16N88W TO
16N87W TO 16N86W TO 16N85W TO 18N86W...INCLUDING THE GULF OF
HONDURAS... E WINDS 20 TO 25 KT. 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.
$$