HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC THU OCT 29 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC OCT 29.
24 HOUR FORECAST VALID 1200 UTC OCT 30.
48 HOUR FORECAST VALID 1200 UTC OCT 31.
.WARNINGS.
...STORM WARNING...
.LOW 61N41W 952 MB DRIFTING N. BETWEEN 60 NM AND 180 NM
NE...E...60 NM AND 240 NM SE AND 120 NM AND 300 NM SW QUADRANTS
AND WITHIN 180 NM SW OF A LINE FROM 59N46W TO 63N52W WINDS 40 TO
55 KT. SEAS 5.5 TO 11 M...HIGHEST NEAR 63N38W. ELSEWHERE FROM 55N
TO 60N W OF 35W AND N OF 60N E AND W OF GREENLAND WINDS 25 TO 40
KT. SEAS 3.5 TO 6 M. ALSO FROM 44N TO 50N E OF 54W WINDS 20 TO 30
KT. SEAS 3 TO 5.5 M IN MIXED SWELL.
.24 HOUR FORECAST LOW 62N40W 984 MB. BETWEEN 60 NM AND 120 NM
E...90 NM AND 240 NM SE AND 120 NM AND 240 NM SW QUADRANTS WINDS
25 TO 35 KT. SEAS 4.5 TO 7 M. ELSEWHERE N OF 60N E OF GREENLAND
AND WITHIN 420 NM S AND 480 NM SW QUADRANTS WINDS TO 25 KT. SEAS
3.5 TO 5.5 M. ALSO N OF 60N E OF 60W TO W GREENLAND WINDS LESS
THAN 25 KT. SEAS 2.5 TO 4.5 IN MIXED SWELL.
.48 HOUR FORECAST LOW NE OF AREA WITH NEW LOW NEAR 57N48W 999 MB.
FROM 50N TO 55N E OF 50W WINDS TO 25 KT. SEAS 2.5 TO 4.5 M IN
MIXED SWELL.
...GALE WARNING...
.S OF 33N W OF 62W AREA OF NE TO E WINDS 20 TO 30 KT. SEAS TO 3.5
M.
.24 HOUR FORECAST NEW LOW 32N65W 1011 MB. S OF 35N BETWEEN 67W
AND 54W WINDS TO 25 KT. SEAS TO 3 M.
.42 HOUR FORECAST LOW 37N54W 1006 MB. WITHIN 300 NM E SEMICIRCLE
WINDS 25 TO 35 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST LOW 39N50W 1002 MB. WITHIN 300 NM E OF A LINE
FROM 41N50W TO THE LOW TO 31N53W WINDS 25 TO 35 KT. SEAS 2.5 TO 5
M.
.SYNOPSIS AND FORECAST.
.24 HOUR FORECAST INLAND LOW 53N58W 994 MB. BETWEEN 90 NM AND 540
NM SE AND 120 NM AND 600 NM SW QUADRANTS...INCLUDING THE E GULF
OF SAINT LAWRENCE WINDS TO 25 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST LOW MERGED WITH LOW 57N48W AND CONDITIONS
DESCRIBED ABOVE IN WARNINGS SECTION.
.48 HOUR FORECAST NEW LOW 48N54W. WITHIN 480 NM E...240 NM SE
QUADRANTS AND BETWEEN 240 NM AND 720 NM SW SEMICIRCLE WINDS TO 25
KT. SEAS 2.5 TO 4 M...HIGHEST FROM 48N TO 50N E OF 45W.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 180 NM E OF A
LINE FROM 48N44W TO 53N47W...FROM 58N TO 60N E OF 45W AND FROM
60N TO 63N E OF GREENLAND.
.24 HOUR FORECAST DENSE FOG W OF A LINE FROM 52N47W TO 57N54W TO
THE COAST OF LABRADOR...FROM 60N TO 64N E OF GREENLAND AND WITHIN
60 NM W OF GREENLAND N OF 61N.
.48 HOUR FORECAST DENSE FOG WITHIN 120 NM W AND NW OF A LINE FROM
44N53W TO 50N48W...FROM 50N TO 53N W OF 54W TO COAST OF LABRADOR
AND NEWFOUNDLAND...FROM 55N TO 59N W OF 41W TO COAST OF
LABRADOR...N OF 64N E OF GREENLAND AND WITHIN 60 NM W OF
GREENLAND N OF 62N.
.LIGHT TO MODERATE FREEZING SPRAY N OF56N W OF 57W.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 57N W OF
53W.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY FROM 55N TO
61N WITHIN 120 NM E OF LABRADOR AND N OF 63N W 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 1200 UTC THU OCT 29.
24 HOUR FORECAST VALID 1200 UTC FRI OCT 30.
48 HOUR FORECAST VALID 1200 UTC SAT OCT 31.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC STATIONARY FROM FROM 28N55W TO LOW PRESSURE NEAR 28N77W
1012 MB TO 24N80W. WITHIN 30N58W TO 31N82W TO 27N78W TO 29N69W
TO 30N58W E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M IN NE TO E
SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.
.ATLC STATIONARY FRONT FROM 29N35W TO 28N55W. WITHIN 31N38W TO
31N52W TO 30N51W TO 30N46W TO 30N41W TO 31N38W WINDS 20 KT OR
LESS. SEAS 2.5 TO 3.0 M IN N SWELL.
.24 HOUR FORECAST COLD FRONT FROM 29N35W TO 27N50W. WITHIN
31N35W TO 31N49W TO 27N44W TO 27N35W TO 31N35W WINDS 20 KT OR
LESS. SEAS 2.5 TO 4.5 M IN N SWELL.
.48 HOUR FORECAST STATIONARY FRONT FROM 24N35W TO 25N50W. WITHIN
31N35W TO 31N49W TO 25N44W TO 22N35W TO 31N35W WINDS 20 KT OR
LESS. SEAS 2.5 TO 3.0 M IN N SWELL.
.GULF OF AMERICA WITHIN 25N87W TO 25N88W TO 24N88W TO 24N87W TO
25N87W WINDS 20 KT OR LESS. SEAS 2.5 IN NE SWELL.
.06 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.
$$