HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC FRI OCT 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).
FROM OCTOBER 15 TO APRIL 1, DUE TO THE CLIMATOLOGY OF THE NORTH
ATLANTIC AND THE FREQUENCY AND VOLUME OF WEATHER HAZARDS, ALONG
WITH CUSTOMER FEEDBACK, HIGH SEAS FORECASTS WILL BE LIMITED TO
WINDS OF 25 TO 35 KNOTS AND HIGHER, AND SEAS OF 4 METERS OR
GREATER, ALONG WITH FREEZING SPRAY, DENSE FOG, VOLCANIC ASH, AND
ANYTHING TROPICAL (INCLUDING A DEPRESSION). LESSER CONDITIONS
WILL BE INCLUDED FOR WARNING CONDITIONS AND TO PRESERVE
CONTINUITY WHERE APPROPRIATE.
SECURITE
NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W
ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS
SYNOPSIS VALID 0600 UTC OCT 16.
24 HOUR FORECAST VALID 0600 UTC OCT 17.
48 HOUR FORECAST VALID 0600 UTC OCT 18.
.WARNINGS.
...STORM WARNING...
.COMPLEX LOW WITH MAIN CENTER 49N50W 977 MB MOVING N 25 KT. FROM
44N TO 54N BETWEEN 40W AND 55W WINDS 35 TO 45 KT. SEAS 3 TO 6.5
M. ELSEWHERE...EXCEPT WHERE DESCRIBED WITH LOW 63N56W BELOW...S
OF 50N E OF 64W WINDS 25 TO 40 KT. SEAS 2.5 TO 6.5 M...HIGHEST
NEAR 44N53W.
.06 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 52N48W 972 MB.
WITHIN 240 NM W SEMICIRCLE WINDS 40 TO 55 KT. SEAS 4.5 TO 7.5 M.
.24 HOUR FORECAST COMBINED LOW 59N45W 972 MB. WITHIN 300 NM E OF
A LINE FROM 59N54W TO 48N41W WINDS 35 TO 50 KT. SEAS 4.5 TO 9 M.
ELSEWHERE E OF A LINE FROM 67N67W TO 40N42W WINDS 25 TO 40 KT.
SEAS 2.5 TO 7.5 M...HIGHEST FROM 44N TO 60N E OF 53W.
ALSO...EXCEPT WHERE DESCRIBED BELOW...S OF 58N E OF 56W WINDS
LESS THAN 25 KT. SEAS 2.5 TO 5 M.
.48 HOUR FORECAST LOW 65N37W 972 MB. WITHIN 240 NM S QUADRANT
WINDS 35 TO 50 KT. SEAS 6 TO 11 M. ELSEWHERE N OF 60N E OF
GREENLAND WINDS 25 TO 35 KT. SEAS 3.5 TO 7 M.
...STORM WARNING...
.24 HOUR FORECAST LOW 49N63W 991 MB. BETWEEN 50N AND A LINE FROM
32N76W TO 41N53W WINDS 25 TO 35 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST LOW 59N39W 979 MB. WITHIN 480 NM S QUADRANT
WINDS 35 TO 50 KT. SEAS 4 TO 8 M. ELSEWHERE FROM 50N TO 60N E OF
58W WINDS 25 TO 35 KT. SEAS 3.5 TO 7 M. ALSO WITHIN 360 NM SE OF
FRONT FROM 50N44W TO 39N61W WINDS 20 TO 30 KT. SEAS 2.5 TO 5.5 M.
ADDITIONALLY S OF 50N E OF 55W WINDS LESS THAN 25 KT. SEAS TO 4
M.
...GALE WARNING...
.LOW 63N56W 991 MB MOVING NE 10 KT. WITHIN 480 NM S QUADRANT
WINDS 25 TO 35 KT. SEAS TO 3.5 M. ELSEWHERE N OF 60N W OF
GREENLAND WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW DISSIPATED N OF AREA. CONDITIONS DESCRIBED
ABOVE IN FIRST STORM WARNING.
...GALE WARNING...
.48 HOUR FORECAST NEW LOW 34N73W 1007 MB. W OF A LINE FROM 31N74W
TO 43N55W TO 50N56W WINDS 25 TO 40 KT. SEAS 2.5 TO 6 M...HIGHEST
NEAR 33N75W.
.SYNOPSIS AND FORECAST.
.LOW 64N37W 1001 MB MOVING NE 10 KT. FROM 60N TO 64N E OF 42W
WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M.
.24 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DIMINISHED.
.48 HOUR FORECAST N OF 60N BETWEEN 61W AND GREENLAND COAST N TO
NW WINDS 20 TO 30 KT. SEAS 3 TO 5 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 47N TO 60N
BETWEEN 47W AND 53W AND BETWEEN GREENLAND COAST AND A LINE FROM
67N67W TO 60N55W.
.24 HOUR FORECAST DENSE FOG FROM 57N TO 63N BETWEEN 45W AND
51W...FROM 63N TO 65N W OF 63W...WITHIN 120 NM NW OF A LINE FROM
41N66W TO 45N61W...WITHIN 90 NM OF 59N42W...AND WITHIN 90 NM OF E
GREENLAND COAST.
.48 HOUR FORECAST DENSE FOG WITHIN 90 NM OF E GREENLAND COAST N
OF 63N...WITHIN 180 NM N AND NE OF A LINE FROM 58N63W TO
54N49W...AND WITHIN 90 NM NW AND N OF A LINE FROM 55N44W TO
59N38W TO 60N35W.
.LIGHT FREEZING SPRAY N OF 65N BETWEEN GREENLAND COAST AND 37W.
.24 HOUR FORECAST CONDITIONS IMPROVED.
.48 HOUR FORECAST LIGHT FREEZING SPRAY W OF A LINE FROM 58N61W TO
62N64W TO 67N59W.
.FORECASTER JOSEPH. 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 FRI OCT 16.
24 HOUR FORECAST VALID 0600 UTC SAT OCT 17.
48 HOUR FORECAST VALID 0600 UTC SUN OCT 18.
.WARNINGS.
...GULF OF AMERICA GALE WARNING...
.GULF OF AMERICA 15 HOUR FORECAST COLD FRONT MOVING OFF CENTRAL
TEXAS COAST. WITHIN 29N95W TO 29N96W TO 28N97W TO 27N97W TO
28N95W TO 29N95W N WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST COLD FRONT FROM 30N85W TO 24N95W TO 19N96W.
WITHIN 25N96W TO 25N97W TO 23N98W TO 21N97W TO 22N96W TO
25N96W...INCLUDING WITHIN 60 NM OF COAST OF VERACRUZ... NW TO N
WINDS 30 TO 40 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE WITHIN 29N85W TO
30N84W TO 30N94W TO 28N97W TO 25N97W TO 24N95W TO 29N85W N TO NE
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.36 HOUR FORECAST COLD FRONT FROM 27N82W TO 22N94W TO 18.5N93W.
WITHIN 23N96W TO 24N98W TO 21N97W TO 19N96W TO 18N94W TO 20N95W
TO
23N96W...INCLUDING WITHIN 60 NM OF COAST OF VERACRUZ... NW TO N
WINDS 35 TO 45 KT. SEAS 4.0 TO 5.5 M. WITHIN 30N84W TO 30N88W TO
27N97W TO 20N94W TO 23N92W TO 26N85W TO 30N84W N TO NE WINDS 20
TO 30 KT. SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST COLD FRONT FROM 25N81W TO 19N91W. WITHIN 20N95W
TO 21N96W TO 21N97W TO 19N96W TO 18N95W TO 19N94W TO
20N95W...INCLUDING WITHIN 60 NM OF COAST OF VERACRUZ... NW WINDS
30 TO 45 KT. SEAS 5.5 TO 7.0 M IN NW TO N SWELL. ELSEWHERE
WITHIN 29N83W TO 30N87W TO 25N97W TO 19N93W TO 22N91W TO 25N82W
TO 29N83W...INCLUDING
WITHIN 60 NM OF COAST OF CAMPECHE... NE WINDS 20 TO 30 KT. SEAS
2.5 TO 4.5 M IN N TO NE SWELL.
...ATLC GALE WARNING...
.ATLC 36 HOUR FORECAST COLD FRONT FROM 31N78W TO 28N80W. WITHIN
31N78W TO 31N81W TO 31N82W TO 29N81W TO 29N80W TO 31N78W NW TO N
WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST 31N74W TO 26N80W. WITHIN 31N78W TO 31N81W TO
30N82W TO 29N81W TO 30N80W TO 31N78W N TO NE WINDS 25 TO 35 KT.
SEAS 2.5 TO 4.5 M. ELSEWHERE WITHIN 31N75W TO 31N78W TO 29N81W TO
26N80W TO 29N76W TO 31N75W N WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5
M.
.SYNOPSIS AND FORECAST.
.ATLC WITHIN 31N35W TO 31N49W TO 26N44W TO 24N37W TO 31N35W SE
WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN N SWELL.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
2.5 M.
.ATLC 24 HOUR FORECAST WITHIN 31N49.5W TO 31N54W TO 30.5N53.5W
TO 30.5N51W TO 31N49.5W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M
IN NW TO N SWELL.
.48 HOUR FORECAST WITHIN 31N38W TO 31N52W TO 29N51W TO 25N40W TO
26N37W TO 31N38W E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN NW TO
N SWELL.
.CARIBBEAN WITHIN 13N71W TO 13N76W TO 11N77W TO 11N76W TO 11N73W
TO 11N70W TO 13N71W...INCLUDING THE GULF OF VENEZUELA... E 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.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.
$$