816
FZNT01 KWBC 270947
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC TUE OCT 27 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC OCT 27.
24 HOUR FORECAST VALID 0600 UTC OCT 28.
48 HOUR FORECAST VALID 0600 UTC OCT 29.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW 39N52W 996 MB MOVING NE 35 KT. WITHIN 420 NM SE...360 NM
SW...AND 120 NM NE QUADRANTS WINDS 25 TO 40 KT. SEAS 3 TO 5 M.
.06 HOUR FORECAST LOW 41N47W 988 MB. WITHIN 300 NM SE AND 240 NM
SW QUADRANTS WINDS 35 TO 50 KT. SEAS 3 TO 5.5 M.
.24 HOUR FORECAST LOW 47N34W 979 MB. FROM 34N TO 52N E OF 46W
WINDS 25 TO 40 KT. SEAS 3 TO 6 M.
.48 HOUR FORECAST LOW 60N38W 938 MB. WITHIN 180 NM OF LOW CENTER
AND NW OF A LINE FROM 62N41W TO 64N39W TO 65N35W WINDS 50 TO 65
KT. SEAS 5 TO 10 M. ELSEWHERE N OF 49N E OF 54W WINDS 35 TO 50
KT. SEAS 4 TO 8 M. ALSO N OF 40N E OF 57W WINDS 25 TO 35 KT.
SEAS 2.5 TO 5 M.

...STORM WARNING...
.LOW 60N55W 971 MB MOVING SE 10 KT. W OF A LINE FROM 67N54W TO
64N53W TO 58N35W TO 44N35W WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M.
.06 HOUR FORECAST LOW 59N54W 970 MB. WITHIN 240 NM W SEMICIRCLE
WINDS 35 TO 50 KT. SEAS 3 TO 5.5 M.
.24 HOUR FORECAST LOW 56N47W 975 MB. WITHIN 360 NM W AND 300 NM
SW QUADRANTS WINDS 35 TO 45 KT. SEAS 4 TO 8 M. ELSEWHERE NW OF A
LINE FROM 67N56W TO 51N43W TO 44N46W TO 39N52W...INCLUDING
WITHIN THE GULF OF SAINT LAWRENCE...WINDS 25 TO 35 KT. SEAS 3.5
TO 5 M.
.48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 60N38W
ABOVE.

...GALE WARNING...
.12 HOUR FORECAST N OF 64N E OF GREENLAND WINDS 25 TO 35 KT.
SEAS 3 TO 6 M.
.24 HOUR FORECAST N OF 64N E OF GREENLAND WINDS 25 TO 35 KT.
SEAS 4 TO 5.5 M.
.48 HOUR FORECAST CONDITIONS DESCRIBED BY LOW 60N38W ABOVE.

.SYNOPSIS AND FORECAST.

.S OF 34N W OF 61W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 KT.
.24 HOUR FORECAST S OF 33N W OF 67W WINDS 20 TO 30 KT. SEAS TO 3
M.
.48 HOUR FORECAST S OF 34N W OF 66W WINDS TO 25 KT. SEAS TO 3 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 59N TO 63N
BETWEEN 40W AND 60W...WITHIN 90 NM NE OF A LINE FROM 58N35W TO
59N42W...N OF 64N E OF 37W...AND FROM 38N TO 46N BETWEEN 46W AND
52W.
.24 HOUR FORECAST DENSE FOG FROM 48N TO 60N BETWEEN E OF
59W...WITHIN 90 NM W OF A LINE FROM 60N55W TO 67N59W...AND NW OF
A LINE FROM 60N42W TO 63N39W TO 64N35W.
.48 HOUR FORECAST DENSE FOG N OF 57N E OF 43W...ALSO WITHIN 240
NM SW OF A LINE FROM 67N57W TO 58N52W TO 46N35W.

.LIGHT FREEZING SPRAY N OF A LINE FROM 62N65W TO 65N58W TO
64N51W.
.24 HOUR FORECAST LIGHT FREEZING SPRAY W OF A LINE FROM 54N57W
TO 58N60W TO 67N59W.
.48 HOUR FORECAST LIGHT FREEZING SPRAY N OF 57N W OF 59W.

.FORECASTER HYDE. OCEAN PREDICTION CENTER.

NATIONAL HURRICANE CENTER MIAMI FL

ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF AMERICA

SYNOPSIS VALID 0600 UTC TUE OCT 27.
24 HOUR FORECAST VALID 0600 UTC WED OCT 28.
48 HOUR FORECAST VALID 0600 UTC THU OCT 29.

.WARNINGS.

...ATLC GALE WARNING...
.ATLC STATIONARY FRONT FROM 31N62W TO LOW PRES 1009 MB NEAR
25N76W. WITHIN 29N74W TO 30N74W TO 29N77W TO 27N77W TO 28N74W TO
29N74W NE WINDS 30 TO 35 KT. SEAS 4.5 TO 6.0 M. ELSEWHERE WITHIN
31N66W TO 31N81W TO 24N80W TO 28N74W TO 31N66W NE WINDS 20 TO 30
KT. SEAS 3.0 TO 4.5 M. REMAINDER OF AREA WITHIN 29N64W TO 31N62W
TO 31N81W TO 25N80W TO 25N77W TO 19N68W TO 29N64W WINDS 20 KT OR
LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL.
.18 HOUR FORECAST STATIONARY FRONT FROM 31N61W TO LOW PRES 1009
MB NEAR 24N78W. WITHIN 31N62W TO 31N81W TO 23N80W TO 29N76W TO
29N74W TO 31N62W NE WINDS 20 TO 30 KT. SEAS 4.0 TO 5.5 M.
ELSEWHERE WITHIN 31N62W TO 31N81W TO 24N80W TO 25N76W TO 23N70W
TO 28N68W TO 31N62W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.0 M IN NE
SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST STATIONARY FRONT FROM 31N68W TO 23N83W. WITHIN
31N66W TO 31N79W TO 29N80W TO 29N79W TO 30N76W TO 31N66W NE TO E
WINDS 20 TO 30 KT. SEAS 3.0 TO 4.5 M. ELSEWHERE WITHIN 30N52W TO
30N67W TO 31N72W TO 30N81W TO 27N80W TO 29N63W TO 30N52W WINDS
20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE SWELL.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 31N35W TO 31N51W TO 20N53W TO 19N48W TO 23N45W TO
26N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN NW TO
N SWELL.
.24 HOUR FORECAST WITHIN 31N35W TO 31N38W TO 29N41W TO 24N41W TO
22N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N
SWELL.
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.GULF OF AMERICA WITHIN 26N82W TO 28N84W TO 27N86W TO 23N83W TO
23N81W TO 24N80W TO 26N82W NE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0
M. ELSEWHERE WITHIN 28N84W TO 26N88W TO 25N87W TO 23N87W TO
22N86W TO 24N80W TO 28N84W WINDS 20 KT OR LESS. SEAS 2.5 M IN NE
SWELL.
.24 HOUR FORECAST WITHIN 27N82W TO 29N85W TO 26N89W TO 22N87W TO
24N82W TO 27N82W NE WINDS 20 TO 25 KT. SEAS 2.5 M.
.48 HOUR FORECAST WITHIN 29N83W TO 29N85W TO 28N87W TO 27N87W TO
26N87W TO 26N84W TO 29N83W NE WINDS 20 TO 25 KT. SEAS 2.5 M.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

$$
.FORECASTER DELGADO. NATIONAL HURRICANE CENTER.