HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC WED SEP 16 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 16.
24 HOUR FORECAST VALID 0600 UTC SEP 17.
48 HOUR FORECAST VALID 0600 UTC SEP 18.
.WARNINGS.
...STORM WARNING...
.LOW E OF THE AREA 63N32W 976 MB MOVING SE 25 KT. BETWEEN 120 NM
AND 420 NM SW SEMICIRCLE AND WITHIN 120 NM NW AND N OF A LINE
FROM 60N35W TO 64N35W WINDS 35 TO 50 KT. SEAS 3.5 TO 7
M...HIGHEST NEAR 60N35W. ELSEWHERE BETWEEN 180 NM AND 900 NM SW
QUADRANT AND 120 NM AND 600 NM W QUADRANT WINDS 25 TO 35 KT. SEAS
2.5 TO 4.5 M...HIGHEST SW QUADRANT.
.24 HOUR FORECAST LOW WELL E OF AREA. FROM 53N TO 60N E OF 45W
AND FROM 60N TO 62N E OF GREENLAND WINDS 20 TO 30 KT. SEAS 2.5 TO
4.5 M IN N SWELL...HIGHEST NEAR 58N35W.
.48 HOUR FORECAST LOW WELL E OF THE AREA AND CONDITIONS DESCRIBED
BELOW WITH NEW LOW E OF THE AREA 62N32W 980 MB.
...GALE WARNING...
.12 HOUR FORECAST NEW COMPLEX LOW WITH MAIN INLAND LOW 57N71W 996
MB. W OF A LINE FROM 52N45W TO 60N54W TO THE COAST OF LABRADOR
WINDS TO 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST COMBINED LOW 60N54W 990 MB. BETWEEN 120 NM AND
360 NM S...180 NM AND 300 NM SW AND 60 NM AND 360 NM NW QUADRANTS
WINDS 25 TO 35 KT. SEAS TO 3.5 M. ELSEWHERE FROM 51N TO 60N W OF
45W WINDS 20 TO 30 KT. SEAS TO 3 M.
.36 HOUR FORECAST COMPLEX LOW WITH MEAN LOW 60N45W 986 MB. WITHIN
420 NM SW AND W OF A LINE FROM 56N42W TO 63N52W WINDS 25 TO 40
KT. SEAS 3.5 TO 5.5 M...HIGHEST NEAR 57N55W.
.48 HOUR FORECAST LOW DISSIPATED INLAND WITH NEW LOW E OF THE
AREA 62N32W 980 MB. WITHIN 180 NM N AND NE OF A LINE FROM 55N35W
TO 55N46W TO 61N54W WINDS 25 TO 40 KT. SEAS 4 TO 6 M...HIGHEST
NEAR 60N48W. ELSEWHERE FROM 52N TO 58N E OF 45W...FROM 58N TO 60N
BETWEEN 45W AND 56W AND FROM 60N TO 64N E OF 55W TO W GREENLAND
WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M IN MIXED SWELL
.SYNOPSIS AND FORECAST.
.COMPLEX LOW WITH MAIN CENTER 39N61W 1019 MB MOVING NE 30 KT.
FROM 31N TO 43N W OF 50W WINDS LESS THAN 25 KT. SEAS TO 3
M...HIGHEST NEAR 31N79W.
.24 HOUR FORECAST COMPLEX LOW DISSIPATED. WITHIN 180 NM NW AND N
OF A LINE FROM 45N48W TO 50N37W AND W OF A LINE FROM 31N68W TO
37N63W 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 120 NM NW AND
N OF A LINE FROM 44N55W TO 47N41W AND FROM 61N TO 65N E OF 40W.
.24 HOUR FORECAST DENSE FOG WITHIN 300 NM NW AND N OF A LINE FROM
42N53W TO 48N44W TO 49N35W AND WITHIN 300 NM W OF GREENLAND FROM
60N TO 64N.
.48 HOUR FORECAST DENSE FOG N OF 44N W OF 63W INCLUDING THE BAY
OF FUNDY...WITHIN 90 NM NW OF A LINE FROM 42N50W TO 44N43W...N OF
65N W OF GREENLAND AND N OF 63N W OF 38W TO E 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 WED SEP 16.
24 HOUR FORECAST VALID 0600 UTC THU SEP 17.
48 HOUR FORECAST VALID 0600 UTC FRI SEP 18.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC STATIONARY FRONT FROM 31N68W TO 28N81W. WITHIN 31N68W TO
31N81W TO 30N76W TO 29N75W TO 30N70W TO 31N68W NE TO E WINDS 20
TO 25 KT. SEAS 2.5 M.
.24 HOUR FORECAST DISSIPATING STATIONARY FRONT FROM 31N68W TO
27N81W. WITHIN 31N71W TO 31N80W TO 29N80W TO 29N75W TO 30N71W TO
31N71W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE SWELL.
.42 HOUR FORECAST FRONT DISSIPATED. CONDITIONS IMPROVE. WINDS 20
KT OR LESS. SEAS LESS THAN 2.5 M.
.CARIBBEAN WITHIN 13N70W TO 14N76W TO 13N79W TO 11N79W TO 10N72W
TO 11N69W TO 13N70W...INCLUDING THE GULF OF VENEZUELA...NE TO E
WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST WITHIN 13N71W TO 14N76W TO 11N78W TO 11N74W TO
10N71W TO 11N70W TO 13N71W...INCLUDING THE GULF OF
VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST WITHIN 14N70W TO 14N75W TO 11N76W TO 12N73W TO
10N72W TO 11N69W TO 14N70W...INCLUDING THE GULF OF VENEZUELA...E
WINDS 20 TO 25 KT. SEAS 2.5 M.
.GULF OF AMERICA 09 HOUR FORECAST WITHIN 30N84W TO 31N88W TO
29N89W TO 27N87W TO 27N85W TO 28N84W TO 30N84W E WINDS 20 TO 25
KT. SEAS 2.5 M.
.24 HOUR FORECAST WITHIN 30N84W TO 29N89W TO 27N90W TO 25N84W TO
26N82W TO 30N84W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST WITHIN 28N87W TO 29N90W TO 28N93W TO 26N94W TO
24N92W TO 25N87W TO 28N87W WINDS 20 KT OR LESS. SEAS 2.5 M.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.FORECASTER DELGADO. NATIONAL HURRICANE CENTER.
$$