HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC TUE SEP 15 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SEP 15.
24 HOUR FORECAST VALID 0600 UTC SEP 16.
48 HOUR FORECAST VALID 0600 UTC SEP 17.
.WARNINGS.
...STORM WARNING...
.LOW 54N51W 1000 MB MOVING NE 30 KT AND RAPIDLY INTENSIFYING.
WITHIN 300 NM E AND 360 NM SE QUADRANTS WINDS 25 TO 35 KT. SEAS
2.5 TO 4 M...HIGHEST NEAR 51N48W. ELSEWHERE WITHIN 420 NM
N...NE...480 NM SE AND 600 NM S QUADRANTS WINDS TO 25 KT. SEAS TO
3.5 M.
.18 HOUR FORECAST LOW 62N37W 983 MB. WITHIN 90 NM W AND NW OF A
LINE FROM 61N39W TO 65N38W WINDS 35 TO 50 KT. SEAS 3.5 TO 5.5 M.
.24 HOUR FORECAST LOW JUST E OF THE AREA 63N33W 976 MB. BETWEEN
90 NM AND 360 NM SW SEMICIRCLE AND WITHIN 120 NM NW AND N OF A
LINE FROM 62N37W TO 65N35W TO E GREENLAND WINDS 35 TO 50 KT. SEAS
3.5 TO 7 M...HIGHEST NEAR 60N35W. ELSEWHERE BETWEEN 90 NM AND 540
NM S...SW AND WITHIN 480 NM W QUADRANTS WINDS 25 TO 35 KT. SEAS
2.5 TO 5 M.
.48 HOUR FORECAST LOW WELL E OF THE AREA 61N15W 978 MB. FROM 55N
TO 60N E OF 45W AND FROM 60N TO 62N E OF GREENLAND WINDS 20 TO 30
KT...SEAS 2.5 TO 5 M...HIGHEST NEAR 35W IN N SWELL.
.SYNOPSIS AND FORECAST.
.LOW 59N53W 998 MB MOVING E 15 KT. WITHIN 60 NM W OF GREENLAND
FROM 60N TO 62N WINDS 20 TO 30 KT. SEAS TO 4 M.
.24 HOUR FORECAST LOW ABSORBED AND CONDITIONS DESCRIBED ABOVE IN
WARNINGS SECTION WITH LOW JUST E OF THE AREA 63N33W.
.LOW 38N63W 1012 MB MOVING NE 30 KT. WITHIN 180 NM NE AND E OF A
FRONT FROM 46N53W TO THE LOW AND WITHIN 360 NM W AND NW OF FRONT
FROM 43N58W TO THE LOW TO 34N68W WINDS TO 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST FIRST LOW DISSIPATED WITH NEW LOW 34N64W 1018
MB. WITHIN 600 NM NE...900 NM SW AND 480 NM W QUADRANTS WINDS TO
25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 420 NM W AND
NW OF A LINE FROM 44N49W TO 52N44W...WITHIN 240 NM W AND NW OF A
LINE FROM 52N48W TO 58N45W...FROM 58N TO 60N BETWEEN 40W AND
52W...FROM 60N TO 66N E OF 55W TO W GREENLAND AND FROM 60N TO 63N
E OF 37W TO E GREENLAND.
.24 HOUR FORECAST DENSE FOG WITHIN 120 NM NW OF A LINE FROM
43N55W TO 47N41W AND N OF 60N E OF GREENLAND.
.48 HOUR FORECAST DENSE FOG WITHIN 240 NM NW OF A LINE FROM
43N51W TO 50N40W AND WITHIN 180 NM NW AND N OF LINE FROM 50N40W
TO 50N35W...FROM 58N TO 60N W OF 50W TO THE COAST OF
LABRADOR...FROM 60N TO 63N E OF 57W TO W GREENLAND AND N OF 65N E
OF GREENLAND.
.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 0600 UTC TUE SEP 15.
24 HOUR FORECAST VALID 0600 UTC WED SEP 16.
48 HOUR FORECAST VALID 0600 UTC THU SEP 17.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC 18 HOUR FORECAST COLD FRONT FROM 31N68W TO 27N81W. WITHIN
31N74W TO 31N81W TO 29N81W TO 30N74W TO 31N74W NE TO E WINDS 20
TO 25 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST STATIONARY FRONT FROM 31N68W TO 26N80W. WITHIN
31N70W TO 31N80W TO 30N81W TO 27N80W TO 28N78W TO 28N76W TO
31N70W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN NE SWELL.
.CARIBBEAN WITHIN 12N70W TO 13N76W TO 12N77W TO 11N74W TO 11N73W
TO 11N71W TO 12N70W...INCLUDING THE GULF OF VENEZUELA...NE TO E
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 13N74W TO
15N78W TO 13N80W TO 11N77W TO 11N71W TO 12N70W TO
13N74W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E SWELL.
.24 HOUR FORECAST WITHIN 13N70W TO 13N74W TO 12N76W TO 12N73W TO
11N72W TO 11N69W TO 13N70W...INCLUDING THE GULF OF VENEZUELA...E
WINDS 20 TO 25 KT. SEAS 2.5 M.
.48 HOUR FORECAST WITHIN 16N75W TO 15N78W TO 10N77W TO 11N74W TO
11N70W TO 13N73W TO 16N75W...INCLUDING THE GULF OF
VENEZUELA...NE TO E WINDS 20 TO 30 KT. SEAS 2.5 M.
.GULF OF AMERICA 18 HOUR FORECAST WITHIN 21N90W TO 21N92W TO
20N93W TO 19N94W TO 19N91W TO 21N90W N TO NE WINDS 20 TO 25 KT.
SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.GULF OF AMERICA 30 HOUR FORECAST COLD FRONT FROM 28N83W TO
29N88W. WITHIN 30N84W TO 31N86W TO 30N88W TO 28N87W TO 28N85W TO
28N84W TO 30N84W E WINDS 20 TO 25 KT. SEAS 2.5 M.
.48 HOUR FORECAST WITHIN DISSIPATING STATIONARY FRONT FROM
26N82W TO 28N88W. 29N83W TO 30N84W TO 30N85W TO 27N87W TO 26N84W
TO 26N82W TO 29N83W NE TO E WINDS 20 TO 25 KT. 2.5 TO 3.0 M.
ELSEWHERE WITHIN 30N84W TO 28N92W TO 25N94W TO 24N86W TO 26N82W
TO 30N84W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E
SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.FORECASTER DELGADO. NATIONAL HURRICANE CENTER.
$$