221
FZNT01 KWBC 211542
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC MON SEP 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SEP 21.
24 HOUR FORECAST VALID 1200 UTC SEP 22.
48 HOUR FORECAST VALID 1200 UTC SEP 23.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM FAY NEAR 33.3N 32.0W 1000 MB AT 1500 UTC SEP 21
MOVING S OR 180 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 45 KT GUSTS
55 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM NE QUADRANT...70
NM SE QUADRANT...40 NM SW QUADRANT...AND 50 NM NW QUADRANT. SEAS
4 M OR GREATER WITHIN 60 NM NE QUADRANT AND 90 NM NW QUADRANT
WITH SEAS TO 4.5 M. ELSEWHERE S OF 38N E OF 36W WINDS TO 25 KT.
SEAS TO 2.5 M.
.24 HOUR FORECAST TROPICAL STORM FAY NEAR 31.6N 33.9W. MAXIMUM
SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS
WITHIN 40 NM NW AND SE QUADRANTS AND 50 NM NE QUADRANT. SEAS 4 M
OR GREATER WITHIN 180 NM N SEMICIRCLE WITH SEAS TO 4.5 M.
ELSEWHERE S OF 38N E OF 41W WINDS 20 TO 33 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW FAY NEAR 30.0N
37.4W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. S OF 35N E OF
41W WINDS 20 TO 33 KT. SEAS TO 3 M.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

...STORM WARNING...
.COMPLEX LOW WITH MAIN CENTER JUST E OF AREA 62N34W 980 MB
MOVING NE 10 KT. WITHIN 300 NM SW AND 180 NM NW QUADRANTS WINDS
35 TO 50 KT. SEAS 4 TO 7 M. ALSO N OF 50N E OF 48W WINDS 25 TO
35 KT. SEAS 3 TO 5.5 M. ELSEWHERE N OF 35N E OF 58W WINDS TO 25
KT. SEAS 2.5 TO 5.5 M...HIGHEST S AND SW OF FIRST CENTER.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER E OF AREA AND NEW
COMPLEX LOW WITH MAIN CENTER NEAR 62N39W 995 MB. WITHIN 120 NM N
OF A LINE FROM 59N45W TO 58N40W TO 59N35W WINDS 35 TO 50 KT.
SEAS 4 TO 6 M. ALSO N OF A LINE FROM 54N35W TO 58N48W TO 63N56W
WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE FROM 38N TO 50N
E OF 47W WINDS TO 25 KT. SEAS TO 4 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 62N38W 1001
MB. FROM 56N TO 65N E OF 51W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.

...STORM WARNING...
.18 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 46N53W 1009 MB
AND SECOND CENTER 40N51W 1012 MB. WITHIN 180 NM SE QUADRANT OF
FIRST CENTER AND 120 NM SE QUADRANT OF SECOND CENTER WINDS 25 TO
35 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 48N49W 1008 MB
AND SECOND CENTER 42N50W 1010 MB. FROM 40N TO 49N BETWEEN 42W
AND 50W WINDS 25 TO 40 KT. SEAS 2.5 TO 4 M. ELSEWHERE FROM 41N
TO 51N BETWEEN 42W AND 57W WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.30 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER NEAR 49N46W 998
MB AND SECOND CENTER NEAR 44N46W 1010 MB. WITHIN 120 NM W
SEMICIRCLE AND FROM 44N TO 49N BETWEEN 39W AND 43W WINDS 35 TO
50 KT. SEAS 3 TO 5 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 54N36W 996
MB. WITHIN 180 NM NW AND 420 NM SW QUADRANTS WINDS 35 TO 50 KT.
SEAS 4 TO 6 M. ALSO FROM 43N TO 55N E OF 52W WINDS 25 TO 35 KT.
SEAS 2.5 TO 4 M. ELSEWHERE FROM 40N TO 53N E OF 53W WINDS TO 25
KT. SEAS TO 3.5 M.

...GALE WARNING...
.NW OF A LINE FROM 42N70W TO 39N74W AREA OF NE WINDS TO 25 KT.
SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST NEW LOW NEAR 37N69W 1016 MB. WITHIN 360 NM N
SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 3 M IN NW SWELL.
.30 HOUR FORECAST LOW 37N69W 1015 MB. WITHIN 300 NM N SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M IN NE SWELL.
.48 HOUR FORECAST LOW DISSIPATED AND NEW LOW TO FORM NEAR 36N68W
1012 MB. FROM 36N TO 43N BETWEEN 48W AND 76W WINDS 25 TO 40 KT.
SEAS 2.5 TO 5.5 M...HIGHEST NEAR 37N73W.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM NW OF A LINE FROM
59N39W TO 64N37W TO 64N35W.
.24 HOUR FORECAST DENSE FOG N OF 64N E OF 36W...AND FROM 47N TO
50N BETWEEN 44W AND 52W.
.48 HOUR FORECAST DENSE FOG N OF 62 E OF GREENLAND.

.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 1200 UTC MON SEP 21.
24 HOUR FORECAST VALID 1200 UTC TUE SEP 22.
48 HOUR FORECAST VALID 1200 UTC WED SEP 23.

.WARNINGS.

.NONE

.SYNOPSIS AND FORECAST.

.ATLC 24 HOUR FORECAST TROPICAL STORM FAY NEAR 31.6N 33.9W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. OVER FORECAST WATERS
WITHIN 31N35W TO 31N41W TO 30N40W TO 30N38W TO 30N35W TO 31N35W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO N SWELL.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW FAY NEAR 30.0N
37.4W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 31N36W
TO 31N39W TO 30N39W TO 30N37W TO 30N36W TO 31N36W NE WINDS 20 TO
30 KT. SEAS 2.5 TO 3.0 M.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

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

$$
.FORECASTER LANDSEA. NATIONAL HURRICANE CENTER.