HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC FRI OCT 30 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC OCT 30.
24 HOUR FORECAST VALID 0000 UTC OCT 31.
48 HOUR FORECAST VALID 0000 UTC NOV 01.
.WARNINGS.
...STORM WARNING...
.18 HOUR FORECAST LOW 33N63W 1008 MB. FRONT FROM 31N65W TO LOW
CENTER TO 34N55W. WITHIN 90 NM EITHER SIDE OF FRONT WINDS 25 TO
35 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST LOW 33N60W 1006 MB. FRONT FROM 31N63W TO LOW
CENTER TO 35N54W TO 33N50W. WITHIN 90 NM N OF FRONT WINDS 25 TO
35 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 43N46W 987 MB. FROM 39N TO 44N BETWEEN 46W
AND 41W AREA OF S WINDS 40 TO 55 KT. SEAS 4 TO 7 M. ELSEWHERE
FROM 35N TO 44N BETWEEN 51W AND 40W WINDS 25 TO 40 KT. SEAS 2.5
TO 6.5 M...HIGHEST NEAR 39N46W.
...GALE WARNING...
.LOW 61N42W 968 MB MOVING NE 05 KT. WITHIN 240 NM E
SEMICIRCLE...AND WITHIN 240 NM W AND S OF THE W COAST OF
GREENLAND...WINDS 30 TO 40 KT. SEAS 4 TO 8 M. ELSEWHERE N OF 40N
AND E OF A LINE FROM 64N63W TO 40N44W WINDS 20 TO 30 KT. SEAS 3
TO 7 M.
.24 HOUR FORECAST LOW 63N38W 993 MB. N OF 47N E OF A LINE FROM
47N50W TO 66N36W WINDS 20 TO 30 KT. SEAS 3 TO 5 M.
.48 HOUR FORECAST CONDITIONS DIMINISHED.
.SYNOPSIS AND FORECAST.
.DENSE FOG. 24 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM
WITHIN 60 NM EITHER SIDE OF A LINE FROM 45N62W TO 48N54W.
.48 HOUR FORECAST DENSE FOG WITHIN 120 NM EITHER SIDE OF A LINE
FROM 42N49W TO 50N47W TO 54N39W.
.LIGHT TO MODERATE FREEZING SPRAY N OF 62N W OF 60W.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 62N W OF
58W.
.48 HOUR FORECAST CONDITIONS IMPROVED.
.FORECASTER CONNELLY. 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 FRI OCT 30.
24 HOUR FORECAST VALID 0000 UTC SAT OCT 31.
48 HOUR FORECAST VALID 0000 UTC SUN NOV 01.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC WARM FRONT FROM 28N55W TO 31N62W TO LOW PRES NEAR 30N70W
1013 MB. COLD FRONT FROM THE LOW PRES TO NEAR 26N78W. WITHIN
31N57.5W TO 31N73.5W TO 30.5N73.5W TO 31N58W TO 31N57.5W E WINDS
20 TO 25 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 30N55W TO 31N68W
TO 31N81W TO 27N80W TO 27N78W TO 30N73W TO 30N55W WINDS 20 KT OR
LESS. SEAS 2.5 TO 3 M IN NE TO E SWELL.
.24 HOUR FORECAST COLD FRONT FROM LOW PRES N OF AREA NEAR 33N60W
1006 MB TO 28N70W TO 25N79W. WITHIN 31N65W TO 31N76W TO 29N81W
TO 27N80W TO 27N76W TO 29N66W TO 31N65W...INCLUDING IN ATLC
EXPOSURES...NE WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M.
.48 HOUR FORECAST COLD FRONT FROM 31N53W TO 28N60W THEN
STATIONARY FRONT TO 25N79W. WITHIN 30N72W TO 31N81W TO 25N79W TO
25N71W TO 28N70W TO 30N72W...INCLUDING IN ATLC EXPOSURES...NE
TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M...EXCEPT 2.5 TO 3 M
N OF 26N W OF 70W.
.COLD FRONT FROM 26N35W TO 27N45W THEN STATIONARY FRONT TO
28N55W. WITHIN 31N35W TO 31N55W TO 29N54W TO 27N45W TO 27N41W TO
29N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN N
SWELL.
.24 HOUR FORECAST STATIONARY FRONT FROM 24N35W TO 26N43W THEN
WARM FRONT TO 31N48W. WITHIN 31N35W TO 31N52W TO 25N44W TO 24N35W
TO 31N35W E WINDS 20 TO 25 KT...EXCEPT E TO SE WINDS 20 TO 25 KT
W OF 43W. SEAS 2.5 TO 3 M.
.48 HOUR FORECAST STATIONARY AND WARM FRONTS TO DISSIPATE.
WITHIN 31N35W TO 31N42W TO 27N42W TO 21N37W TO 21N35W TO 31N35W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN N SWELL.
.CARIBBEAN 24 HOUR FORECAST WITHIN 13N71W TO 13N75W TO 11N76W TO
11N75W TO 12N72W TO 11N70W TO 13N71W...INCLUDING IN THE GULF OF
VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST LITTLE CHANGE.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.
$$