577
FZNT01 KWBC 192211
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC SAT SEP 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SEP 19.
24 HOUR FORECAST VALID 1800 UTC SEP 20.
48 HOUR FORECAST VALID 1800 UTC SEP 21.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.COMPLEX LOW WITH MAIN CENTER NEAR 52N56W 983 MB MOVING NE 20
KT. WITHIN 90 NM W TO NW OF A LINE FROM 48N51W TO 49N53W TO LOW
CENTER TO 53N47W TO 52N44W WINDS 40 T0 55 KT. SEAS 3 TO 6 M.
ELSEWHERE WITHIN 300 NM NE...780 NM SE...660 NM SW...AND 240 NM
NW QUADRANTS WINDS 25 TO 40 KT. SEAS 2.5 TO 4 M.
.06 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 52N48W 980 MB.
WITHIN 120 NM W SEMICIRCLE WINDS 55 TO 65 KT. SEAS 6 TO 8 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 56N39W 983 MB.
WITHIN 600 NM S AND 240 NM W QUADRANTS WINDS 35 TO 50 KT. SEAS
4.5 TO 8.5 M. ELSEWHERE FROM 43N TO 61N E OF 52W WINDS 25 TO 40
KT. SEAS 2.5 TO 6 M.
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER NEAR 63N35W 979
MB. N OF 61N E OF 38W AND FROM 58N TO 60N E OF 38W WINDS 35 TO
50 KT. SEAS 4 TO 6.5 M. ALSO N OF A LINE FROM 67N61W TO 50N42W
TO 50N42W WINDS 25 TO 40 KT. SEAS 3 TO 5 M...HIGHEST NEAR
47N36W. ELSEWHERE N OF 35N E OF 51W WINDS TO 25 KT. SEAS 2.5 TO
4 M.

...GALE WARNING...
.12 HOUR FORECAST N OF 65N E OF 36W WINDS 25 TO 35 KT. SEAS 2.5
TO 3.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST CONDITIONS DESCRIBED WITH STORM WARNING ABOVE.

.SYNOPSIS AND FORECAST.

.WITHIN 120 NM NE OF A LINE FROM 59N44W TO 58N39W TO 58N35WAREA
OF NW TO W WINDS 25 TO 35 KT. SEAS 4 TO 6.5 M. ELSEWHERE FROM
47N TO 61N E OF 52W WINDS TO 25 KT. SEAS 2.5 TO 5 M.
.24 HOUR FORECAST CONDITIONS DESCRIBED WITH STORM WARNING ABOVE.

.48 HOUR FORECAST NEW LOW 42N60W 1012 MB. WITHIN 240 NM E
SEMICIRCLE WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 63N E OF
GREENLAND.
.24 HOUR FORECAST DENSE FOG N OF 65N E OF GREENLAND.
.48 HOUR FORECAST DENSE FOG N OF 62N E OF 38W.

.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 1800 UTC SAT SEP 19.
24 HOUR FORECAST VALID 1800 UTC SUN SEP 20.
48 HOUR FORECAST VALID 1800 UTC MON SEP 21.

.WARNINGS.

.NONE

.SYNOPSIS AND FORECAST.

.CARIBBEAN WITHIN 14N69W TO 15N72W TO 13N75W TO 12N74W TO 12N68W
TO 13N67W TO 14N69W...INCLUDING THE GULF OF VENEZUELA... E WINDS
20 TO 25 KT. SEAS LESS THAN 2.5 M.
.12 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 LANDSEA. NATIONAL HURRICANE CENTER.