HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC THU OCT 29 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC OCT 29.
24 HOUR FORECAST VALID 0000 UTC OCT 30.
48 HOUR FORECAST VALID 0000 UTC OCT 31.
.WARNINGS.
...HURRICANE FORCE WIND WARNING...
.LOW 60N38W 945 MB MOVING NW 05 KT. WITHIN 90 NM OF E GREENLAND
COAST WINDS 50 TO 65 KT. SEAS 6 TO 9 M. ELSEWHERE WITHIN 180 NM S
AND SW SEMICIRCLES AND N OF 60N E OF GREENLAND WINDS 40 TO 50 KT.
SEAS 5 TO 7.5 M. ALSO N OF 45N W OF 35W WINDS 25 TO 40 KT. SEAS
2.5 TO 7.5 M...HIGHEST NEAR 51N42W. ADDITIONALLY S OF 45N E OF
58W WINDS TO 25 KT. SEAS 2.5 TO 4.5 M.
.24 HOUR FORECAST LOW 62N42W 966 MB. N OF 41N W OF 35W WINDS 25
TO 40 KT. SEAS 4 TO 8 M...EXCEPT S OF 50N W OF 50W SEAS 2.5 TO 4
M. ELSEWHERE S OF 41N E OF 56W WINDS TO 25 KT. SEAS 2.5 TO 5
M...HIGHEST NEAR 41N.
.48 HOUR FORECAST LOW 63N37W 993 MB. N OF 56N E OF 44W WINDS 20
TO 30 KT. SEAS 3.5 TO 5.5 M. ELSEWHERE...EXCEPT WHERE DESCRIBED
BELOW...N OF 56N W OF 44W AND FROM 31N TO 44N E OF 47W WINDS TO
25 KT. SEAS TO 4 M.
.SYNOPSIS AND FORECAST.
.S OF 35N W OF 62W AREA OF NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO
4 M.
.24 HOUR FORECAST S OF 35N BETWEEN 55W AND 81W WINDS TO 25 KT.
SEAS TO 3 M.
.48 HOUR FORECAST NEW LOW 35N58W 1012 MB. S OF 39N BETWEEN 45W
AND 65W WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST LOW 54N50W 997 MB. FROM 44N TO 56N E OF 57W
WINDS 20 TO 30 KT. SEAS 3 TO 5 M IN MIXED SWELL.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 49N TO 52N
BETWEEN 39W AND 44W...FROM 57N TO 60N E OF 41W...AND WITHIN 180
NM E OF GREENLAND COAST.
.24 HOUR FORECAST DENSE FOG WITHIN 90 NM E AND NE OF A LINE FROM
67N59W TO 63N57W TO 61N52W AND FROM 59N TO 60N BETWEEN 36W AND
45W.
.48 HOUR FORECAST DENSE FOG WITHIN 60 NM E AND SE OF THE
GREENLAND COAST N OF 63N...WITHIN 60 NM W OF GREENLAND COAST N OF
50N...WITHIN THE AREA BOUNDED BY 52N54W TO 56N41W TO 60N59W TO
58N62W TO 52N45W...AND WITHIN 90 NM NW OF A LINE FROM 44N62W TO
47N53W.
.LIGHT TO MODERATE FREEZING SPRAY N OF 58N W OF 58W AND WITHIN 60
NM OF
W GREENLAND COAST N OF 62N.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 61N W OF
59W.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 61N W OF
53W AND FROM 56N TO 60N W OF 60W.
.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 0000 UTC THU OCT 29.
24 HOUR FORECAST VALID 0000 UTC FRI OCT 30.
48 HOUR FORECAST VALID 0000 UTC SAT OCT 31.
.WARNINGS.
...ATLC GALE WARNING...
.WITHIN 31N73W TO 31N77W TO 30N76W TO 29N74W TO 31N73W NE TO E
WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M. WITHIN 30N61W TO 31N81W TO
27N80W TO 27N75W TO 29N70W TO 29N62W TO 30N61W...INCLUDING
ATLANTIC EXPOSURES...E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.12 HOUR FORECAST WITHIN 31N60W TO 31N81W TO 27N80W TO 27N78W TO
30N69W TO 31N60W NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST WITHIN 31N69W TO 31N81W TO 27N80W TO 28N77W TO
29N75W TO 31N69W NE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. WITHIN
31N54W TO 31N65W TO 30N65W TO 30N54W TO 31N54W E TO SE WINDS 20
TO 25 KT. SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST WITHIN 31N63W TO 31N67W TO 30.5N65W TO 30.5N63W
TO 31N63W N WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. WITHIN 31N77W
TO 31N80W TO 27N80W TO 28N76W TO 29N76W TO 31N77W NE TO E WINDS
20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.SYNOPSIS AND FORECAST.
.ATLC 12 HOUR FORECAST WITHIN 31N35W TO 31N55W TO 30N46W TO
29N43W TO 30N41W TO 30N35W TO 31N35W WINDS 20 KT OR LESS. SEAS
2.5 TO 3.0 M IN N SWELL.
.24 HOUR FORECAST WITHIN 31N35W TO 31N53W TO 29N48W TO 29N39W TO
30N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N
SWELL.
.48 HOUR FORECAST WITHIN 31N35W TO 31N52W TO 27N47W TO 24N38W TO
24N35W TO 31N35W E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.GULF OF AMERICA WITHIN 26N82W TO 28N84W TO 26N86W TO 24N86W TO
24N85W TO 26N82W NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.18 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 RAMOS. NATIONAL HURRICANE CENTER.
$$