945
FZNT01 KWBC 190930
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SEP 19.
24 HOUR FORECAST VALID 0600 UTC SEP 20.
48 HOUR FORECAST VALID 0600 UTC SEP 21.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.COMPLEX LOW WITH MAIN CENTER NEAR 50N59W 997 MB MOVING NE 20 KT.
WITHIN 300 NM E AND 420 NM SW QUADRANTS WINDS 25 TO 40 KT. SEAS
2.5 TO 4.5 M...HIGHEST IN THE GULF OF SAINT LAWRENCE. ELSEWHERE
WITHIN 540 NM E...960 NM SE...AND 660 NM SW QUADRANTS WINDS TO 25
KT. SEAS TO 3 M.
.06 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 50N54W 987
MB. WITHIN 180 NM N AND NW QUADRANTS WINDS 35 T0 50 KT. SEAS 3 TO
5.5 M.
.18 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 52N49W 978 MB AND
NEW SECOND CENTER 52N41W 986 MB. WITHIN 90 NM SW AND W QUADRANTS
OF FIRST CENTER WINDS 55 TO 65 KT. SEAS 6 TO 8 M.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 52N46W 981 MB AND
SECOND CENTER 54N41W 982 MB. BETWEEN 90 NM AND 240 NM SW QUADRANT
OF FIRST CENTER...AND BETWEEN 90 NM AND 180 NM W AND NW QUADRANTS
OF FIRST CENTER WINDS 40 TO 55 KT. SEAS 5 TO 8.5 M...HIGHEST SW
OF FIRST CENTER. ELSEWHERE FROM 38N TO 58N E OF 58W WINDS 25 TO
40 KT. SEAS 2.5 TO 6 M.
.36 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 52N39W 985 MB AND
SECOND CENTER 56N40W 976 MB. WITHIN 180 NM SW AND 240 NM NW
QUADRANTS OF SECOND CENTER WINDS 35 TO 50 KT. SEAS 3 TO 5.5 M.
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER NEAR 60N36W 979
MB. WITHIN 90 NM EITHER SIDE OF A LINE FROM 54N35W TO 60N40W TO
62N39W TO 64N35W WINDS 40 TO 55 KT. SEAS 4 TO 6.5 M. ALSO N OF
45N E OF 50W...AND WITHIN 300 NM OF W GREENLAND COAST N OF 60N
WINDS 25 TO 40 KT. SEAS 2.5 TO 6.5 M...HIGHEST NEAR 47N36W.
ELSEWHERE N OF 35N E OF 55W WINDS TO 25 KT. SEAS 2.5 TO 4 M.

...GALE WARNING...
.WITHIN 120 NM EITHER SIDE OF A LINE FROM 60N44W TO 57N35W AREA
OF NW TO W WINDS 25 TO 40 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 N OF 58N E OF 40W AREA OF SW TO W WINDS TO 25
KT. SEAS TO 3.5 M.
.48 HOUR FORECAST CONDITIONS DESCRIBED WITH STORM WARNING ABOVE.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 40N TO 45N
BETWEEN 40W AND 50W...AND N OF 64N E OF 37W.
.24 HOUR FORECAST DENSE FOG FROM 50N TO 56N E OF 52W...AND N OF
63N E OF GREENLAND.
.48 HOUR FORECAST DENSE FOG N OF 57N E OF 42W.

.FORECASTER ANDERSON. 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 0600 UTC SAT SEP 19.
24 HOUR FORECAST VALID 0600 UTC SUN SEP 20.
48 HOUR FORECAST VALID 0600 UTC MON SEP 21.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.CARIBBEAN WITHIN 14N71W TO 15N76W TO 13N77W TO 11N75W TO 11N71W
TO 12N70W TO 14N71W...INCLUDING THE GULF OF VENEZUELA... E WINDS
20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 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 CHRISTENSEN. NATIONAL HURRICANE CENTER.

$$