HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC FRI OCT 30 2026
CCODE/2:31:04:01:00/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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC OCT 30.
24 HOUR FORECAST VALID 1200 UTC OCT 31.
48 HOUR FORECAST VALID 1200 UTC NOV 01.
.WARNINGS.
...HURRICANE FORCE WIND WARNING...
.COMPLEX LOW WITH MAIN LOW 32N63W 1010 MB MOVING NE 25 KT. WITHIN
120 NM N OF A FRONT FROM 31N67W TO THE LOW TO 33N60W WINDS 25 TO
35 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 39N51W 1002 MB AND
RAPIDLY INTENSIFYING. WITHIN 240 NM NE AND E OF A FRONT FROM
40N50W TO THE LOW TO 34N53W WINDS 30 TO 45 KT. SEAS 3.5 TO 5.5 M.
ELSEWHERE WITHIN 540 NM NE...420 NM SE...540 NM SW AND 120 NM NW
QUADRANTS WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.36 HOUR FORECAST LOW 42N46W 993 MB. WITHIN 180 NM NE AND E OF A
LINE FROM 44N45W TO 38N43W WINDS 40 TO 50 KT. SEAS 5 TO 7.5
M...HIGHEST NEAR 39N45W.
.48 HOUR FORECAST LOW 50N43W 978 MB. WITHIN 120 NM E...240 NM
SE...300 NM S AND 240 NM SW QUADRANTS WINDS 50 TO 65 KT. SEAS 6
TO 9 M. ELSEWHERE FROM 36N TO 48N E OF 40W...FROM 44N TO 48N
BETWEEN 40W AND 53W AND FROM 50N TO 55N E OF 50W WINDS 35 TO 50
KT. SEAS 3.5 TO 7 M. ALSO WITHIN 1020 NM S...1180 NM SW...780 NM
W...480 NM NW...N AND 720 NM NE QUADRANTS WINDS 25 TO 40 KT. SEAS
3 TO 6 M.
...GALE WARNING...
.LOW 62N39W 978 MB MOVING NE 10 KT. WITHIN 120 NM E...180 NM SE
AND BETWEEN 90 NM AND 240 NM SW QUADRANTS...WITHIN 180 NM N AND
NE OF A LINE FROM 57N44W TO 62N55W...AND WITHIN 180 NM NE AND E
OF LINE FROM 62N55W TO 67N61W. WINDS 25 TO 35 KT. SEAS 3.5 TO 6.5
M...HIGHEST NEAR 61N35W.
.24 HOUR FORECAST LOW 65N35W 1005 MB. WITHIN 180 NM S OF A LINE
FROM 50N51W TO 53N40W TO 54N35W WINDS 20 TO 30 KT. SEAS 3 TO 4.5
M.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS DIMINISHED.
.SYNOPSIS AND FORECAST.
.INLAND LOW 52N58W 993 MB MOVING NE 20 KT. BETWEEN 60 NM AND 420
NM SE AND 60 NM AND 540 NM SW QUADRANTS...INCLUDING THE GULF OF
SAINT LAWRENCE WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST LOW 56N47W 1001 MB. WITHIN 240 NM FROM LOW
WINDS LESS THAN 25 KT. SEAS 2.5 TO 4 M IN MIXED SWELL.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS MOVED E OF AREA.
.DENSE FOG WITH VSBY OCCASIONALLY LESS THAN 1 NM W AND NW OF A
LINE FROM 51N48W TO 57N58W TO THE COAST OF LABRADOR...WITHIN 60
NM W OF GREENLAND N OF 63N AND FROM 60N TO 63N E OF GREENLAND.
.24 HOUR FORECAST DENSE FOG WITHIN 120 NM NW OF A LINE FROM
45N55W TO 49N47W...WITHIN 300 NM N OF A LINE FROM 54N56W TO
57N41W...WITHIN 120 NM W OF GREENLAND FROM 60N TO 64N AND FROM
62N TO 64N E OF GREENLAND.
.48 HOUR FORECAST DENSE FOG FROM 50N TO 56N BETWEEN 40W AND
54W...FROM 56N TO 60N BETWEEN 47W AND 40W AND WITHIN 60 NM E OF
GREENLAND N OF 60N.
.LIGHT TO MODERATE FREEZING SPRAY FROM 57N TO 60N W OF 60W TO THE
COAST OF LABRADOR AND N OF 60N W OF 54W.
.24 HOUR FORECAST LIGHT FREEZING SPRAY W OF A LINE FROM 56N57W TO
61N60W TO THE COAST OF LABRADOR AND N OF 63N W OF GREENLAND.
.48 HOUR FORECAST LIGHT FREEZING SPRAY WITHIN 60 NM W OF
GREENLAND N OF 60N.
.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 1200 UTC FRI OCT 30.
24 HOUR FORECAST VALID 1200 UTC SAT OCT 31.
48 HOUR FORECAST VALID 1200 UTC SUN NOV 1.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC ELONGATED LOW PRES NEAR 30.5N67W 1012 MB. WITHIN 31N63W TO
31N65.5W TO 31N68.5W TO 30.5N69W TO 30.5N65W TO 30.5N63W TO
31N63W WINDS 20 TO 25 KT. SEAS TO 2.5 M IN NE SWELL. ELSEWHERE
WITHIN 31N68W TO 31N81W TO 27N80W TO 29N74W TO 30N73W TO 31N68W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E SWELL. WITHIN
28N35W TO 29N35W TO 28N40W TO 27N40W TO 27N39W TO 27N37W TO
28N35W NE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN N SWELL.
ELSEWHERE WITHIN 31N35W TO 31N46W TO 29N49W TO 27N46W TO 27N35W
TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN N SWELL.
.24 HOUR FORECAST LOW PRES MOVED N OF AREA. WITHIN 31N49W TO
31N55W TO 27N76W TO 31N49W WINDS 20 TO 25 KT. SEAS TO 2.5 M IN NW
TO N SWELL. WITHIN 31N35W TO 31N50W TO 23N42W TO 23N35W TO
31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN N SWELL. WITHIN
31N55.5W TO 31N59W TO 31N63W TO 30N63W TO 30.5N60W TO 30.5N56W TO
31N55.5W WINDS 20 KT OR LESS. SEAS 2.5 M IN NW TO N SWELL.
WITHIN 28N70W TO 28N71W TO 28N75W TO 27N76W TO 27N75W TO 27N70W
TO 28N70W NE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN NE SWELL.
ELSEWHERE WITHIN 29N65W TO 30N68W TO 28N72W TO 30N76W TO 28N80W
TO 26N71W TO 29N65W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE
SWELL.
.48 HOUR FORECAST WITHIN 31N35W TO 26N39W TO 23N37W TO 22N35W TO
31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N SWELL. WITHIN
28N61W TO 30N76W TO 30N81W TO 26N79W TO 25N74W TO 26N71W TO
28N61W...INCLUDING ATLANTIC EXPOSURES...NE TO E WINDS 20 TO 25
KT. SEAS TO 3.0 M IN NE TO E SWELL. ELSEWHERE WITHIN 28N64W TO
28N73W TO 30N75W TO 31N81W TO 28N80W TO 24N74W TO 28N64W. WINDS
20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E SWELL.
.CARIBBEAN 12 HOUR FORECAST WITHIN 13N73W TO 13N74W TO 13N75W TO
12N75W TO 12N74W TO 12N72W TO 13N73W NE TO E WINDS 20 TO 25 KT.
SEAS TO 2.5 M.
.24 HOUR FORECAST WITHIN 12N74W TO 12N75W TO 12N76W TO 12N77W TO
11N77W TO 11N75W TO 12N74W NE TO E WINDS 20 TO 25 KT. SEAS 2.5
M.
.48 HOUR FORECAST WITHIN 13.5N72.5W TO 13N73W TO 12.5N73W TO
13N72.5W TO 13.5N72.5W WINDS 20 KT OR LESS. SEAS 2.5 M IN E
SWELL.
.GULF OF AMERICA 18 HOUR FORECAST WITHIN 29N84W TO 29N85W TO
29N86W TO 26N84W TO 26N83W TO 28N83W TO 29N84W 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.
.39 HOUR FORECAST WITHIN 29N84W TO 29N85W TO 29N86W TO 28N85W TO
27N84W TO 27N83W TO 29N84W E WINDS 20 TO 25 KT. SEAS LESS THAN
2.5 M.
.48 HOUR FORECAST WITHIN 30N86W TO 30N88W TO 29N86W TO 28N85W TO
28N84W TO 29N84W TO 30N86W E WINDS 20 TO 25 KT. SEAS TO 2.5 M IN
E TO SE SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.
$$