074
FZNT01 KWBC 191617
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC SEP 19.
24 HOUR FORECAST VALID 1200 UTC SEP 20.
48 HOUR FORECAST VALID 1200 UTC SEP 21.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.COMPLEX LOW WITH MAIN CENTER NEAR 50N52W 986 MB MOVING NE 20
KT. WITHIN 90 NM N TO NE OF A LINE FROM 49N55W TO LOW CENTER TO
51N47W TO 50N46W AND WITHIN 360 NM SW QUADRANT WINDS 35 T0 50
KT. SEAS 3 TO 5 M. ELSEWHERE WITHIN 360 NM NE...840 NM SE...600
NM SW...AND 240 NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO
3.5 M.
.12 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 52N48W 978 MB
AND NEW SECOND CENTER 53N43W 984 MB. WITHIN 120 NM W SEMICIRCLE
WINDS 55 TO 65 KT. SEAS 6 TO 8 M.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 53N462 982 MB
AND SECOND CENTER 56N41W 983 MB. BETWEEN 240 NM AND 420 NM S
QUADRANT OF FIRST CENTER...BETWEEN 180 NM AND 360 NM SW QUADRANT
OF FIRST CENTER...AND BETWEEN 120 NM AND 240 NM W QUADRANT OF
FIRST CENTER WINDS 40 TO 55 KT. SEAS 5 TO 9 M...HIGHEST SW OF
FIRST CENTER. ELSEWHERE FROM 43N TO 61N E OF 52W WINDS 25 TO 40
KT. SEAS 2.5 TO 6 M.
.30 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 53N40W 985 MB
AND SECOND CENTER 57N40W 976 MB. WITHIN 420 NM S QUADRANT AND
360 NM W QUADRANT OF FIRST CENTER AND WITHIN 180 NM SW AND 240
NM NW QUADRANTS OF SECOND CENTER WINDS 35 TO 50 KT. SEAS 4.5 TO
8.5 M.
 .48 HOUR FORECAST COMPLEX LOW JUST E OF AREA WITH MEAN CENTER
NEAR 63N34W 979 MB. WITHIN 120 NM NW OF A LINE FROM 60N39W TO
63N35W WINDS 40 TO 55 KT. SEAS 4 TO 6.5 M. ALSO N OF 52N E OF
51W WINDS 25 TO 40 KT. SEAS 2.5 TO 6.5 M...HIGHEST NEAR 47N36W.
ELSEWHERE N OF 36N E OF 52W WINDS TO 25 KT. SEAS 2.5 TO 4 M.

...GALE WARNING...
.WITHIN 120 NM NE OF A LINE FROM 59N44W TO 58N35W AREA 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.

...GALE WARNING...
.18 HOUR FORECAST N OF 65N E OF 37W 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.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 50N TO 53N
BETWEEN 46W AND 55W...AND N OF 63N E OF 38W.
.24 HOUR FORECAST DENSE FOG N OF 66N E OF GREENLAND.
.48 HOUR FORECAST DENSE FOG N OF 59N E OF 39W.

.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 SAT SEP 19.
24 HOUR FORECAST VALID 1200 UTC SUN SEP 20.
48 HOUR FORECAST VALID 1200 UTC MON SEP 21.

.WARNINGS.

.NONE

.SYNOPSIS AND FORECAST.

.CARIBBEAN WITHIN 15N70W TO 16N76W TO 14N78W TO 11N77W TO 11N75W
TO 11N70W TO 15N70W...INCLUDING THE GULF OF VENEZUELA... E WINDS
20 TO 25 KT. SEAS TO 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 LANDSEA. NATIONAL HURRICANE CENTER.