METAREA 4 bulletinset


HURRICANE ADVISORY
WTNT21 KNHC 200840

TCMAT1

TROPICAL STORM FAY FORECAST/ADVISORY NUMBER 4

NWS NATIONAL HURRICANE CENTER MIAMI FL AL062026

0900 UTC SUN SEP 20 2026

TROPICAL STORM CENTER LOCATED NEAR 33.7N 33.1W AT 20/0900Z

POSITION ACCURATE WITHIN 20 NM

PRESENT MOVEMENT TOWARD THE NORTH-NORTHEAST OR 20 DEGREES AT 4 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 1004 MB

MAX SUSTAINED WINDS 40 KT WITH GUSTS TO 50 KT.

34 KT....... 40NE 40SE 0SW 0NW.

WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL

MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.

REPEAT...CENTER LOCATED NEAR 33.7N 33.1W AT 20/0900Z

AT 20/0600Z CENTER WAS LOCATED NEAR 33.5N 33.2W

FORECAST VALID 20/1800Z 34.1N 32.8W

MAX WIND 50 KT...GUSTS 60 KT.

50 KT... 20NE 20SE 0SW 0NW.

34 KT... 50NE 60SE 20SW 30NW.

FORECAST VALID 21/0600Z 34.0N 32.3W

MAX WIND 45 KT...GUSTS 55 KT.

34 KT... 50NE 60SE 20SW 30NW.

FORECAST VALID 21/1800Z 33.3N 32.4W

MAX WIND 40 KT...GUSTS 50 KT.

34 KT... 50NE 50SE 20SW 30NW.

FORECAST VALID 22/0600Z 32.0N 33.3W

MAX WIND 35 KT...GUSTS 45 KT.

34 KT... 40NE 40SE 0SW 20NW.

FORECAST VALID 22/1800Z 31.0N 34.8W...POST-TROP/REMNT LOW

MAX WIND 30 KT...GUSTS 40 KT.

FORECAST VALID 23/0600Z 30.1N 36.5W...POST-TROP/REMNT LOW

MAX WIND 30 KT...GUSTS 40 KT.

EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 125 NM

ON DAY 4 AND 175 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY

OUTLOOK VALID 24/0600Z 28.9N 40.0W...POST-TROP/REMNT LOW

MAX WIND 25 KT...GUSTS 35 KT.

OUTLOOK VALID 25/0600Z...DISSIPATED

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 33.7N 33.1W

NEXT ADVISORY AT 20/1500Z

$$

FORECASTER CANGIALOSI


HIGH SEAS FORECAST
FZNT01 KWBC 200932

HSFAT1

HIGH SEAS FORECAST FOR METAREA IV

NWS OCEAN PREDICTION CENTER WASHINGTON DC

1030 UTC SUN SEP 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SEP 20.

24 HOUR FORECAST VALID 0600 UTC SEP 21.

48 HOUR FORECAST VALID 0600 UTC SEP 22.

.WARNINGS.

...STORM WARNING...

.LOW 52N45W 978 MB MOVING NE 20 KT. BETWEEN 180 NM AND 420 NM S

AND SW QUADRANTS...AND WITHIN 180 NM N AND W OF A FRONT FROM

52N49W TO 55N44W WINDS 40 TO 55 KT. SEAS 6 TO 9 M. ALSO FROM 39N

TO 57N E OF 57W WINDS 25 TO 40 KT. SEAS 3 TO 6.5 M. ELSEWHERE

FROM 36N TO 58N E OF 60W WINDS TO 25 KT. SEAS TO 3.5 M.

.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 59N36W 979 MB.

BETWEEN 120 NM AND 240 NM W SEMICIRCLE WINDS 40 TO 55 KT. SEAS 4

TO 7 M. ALSO N OF 45N E OF 50W...AND WITHIN 180 NM OF THE W

GREENLAND COAST N OF 60N WINDS 25 TO 40 KT. SEAS 3 TO 7

M...HIGHEST NEAR 50N35W. ELSEWHERE N OF 38N E OF 54W WINDS TO 25

KT. SEAS 2.5 TO 5 M.

.48 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER NEAR 61N40W 991

MB AND SECOND CENTER E OF AREA NEAR 64N33W 982 MB. BETWEEN 90 AND

240 NM S AND SW QUADRANTS OF FIRST CENTER WINDS 35 TO 50 KT. SEAS

4 TO 6 M. ALSO N OF 55N E OF 50W WINDS 25 TO 35 KT. SEAS 3 TO 4.5

M. ELSEWHERE N OF 51N E OF 50W AND WITHIN 180 NM OF THE W

GREENLAND COAST N OF 60N WINDS TO 25 KT. SEAS TO 3.5 M.

...GALE WARNING...

.COMPLEX LOW WITH MEAN CENTER JUST E OF AREA NEAR 65N33W 1001 MB

MOVING SW 05 KT THEN DISSIPATING. WITHIN 150 NM NW SEMICIRCLE

WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M.

.24 HOUR FORECAST CONDITIONS DESCRIBED WITH STORM WARNING ABOVE.

...GALE WARNING...

.48 HOUR FORECAST NEW COMPLEX LOW WITH MEAN CENTER NEAR 43N53W

1011 MB. WITHIN 240 NM NE AND 360 NM SE QUADRANTS WINDS 25 TO 35

KT. SEAS TO 3 M. ELSEWHERE FROM 36N TO 50N BETWEEN 45W AND 60W

WINDS TO 25 KT. SEAS TO 2.5 M.

.SYNOPSIS AND FORECAST.

.TROPICAL STORM FAY E OF AREA NEAR 33.7N 33.1W 1004 MB AT 0900

UTC SEP 20 MOVING NNE OR 020 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS

40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM E

SEMICIRCLE AND 0 NM W SEMICIRCLE. ELSEWHERE S OF 37N E OF 38W

WINDS 20 TO 30 KT. SEAS TO 3 M.

.24 HOUR FORECAST TROPICAL STORM FAY E OF AREA NEAR 34.0N 32.3W.

MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE

WINDS WITHIN 50 NM NE QUADRANT...60 NM SE QUADRANT...20 NM SW

QUADRANT...AND 30 NM NW QUADRANT. SEAS 4 M OR GREATER E OF AREA

WITH SEAS TO 4.5 M. ELSEWHERE S OF 37N E OF 38W WINDS 20 TO 33

KT. SEAS TO 3 M.

.48 HOUR FORECAST TROPICAL STORM FAY E OF AREA NEAR 32.0N 33.3W.

MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE

WINDS WITHIN 40 NM E SEMICIRCLE...0 NM SW QUADRANT AND 20 NM NW

QUADRANT. SEAS 4 M OR GREATER WITHIN 180 NM N SEMICIRCLE WITH

SEAS TO 5 M. ELSEWHERE S OF 36N E OF 40W WINDS 20 TO 33 KT. SEAS

TO 4 M.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE

USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND

INTENSITY.

.LOW 35N70W 1014 MB DRIFTING E. WITHIN 240 NM N QUADRANT WINDS TO

25 KT. SEAS TO 3 M.

.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 48N TO 56N E OF

52W...AND N OF 63N E OF GREENLAND.

.24 HOUR FORECAST DENSE FOG N OF 56N E OF 44W.

.48 HOUR FORECAST DENSE FOG N OF 63N E OF 39W...AND FROM 39N TO

52N BETWEEN 47W AND 59W.

.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 SUN SEP 20.

24 HOUR FORECAST VALID 0600 UTC MON SEP 21.

48 HOUR FORECAST VALID 0600 UTC TUE SEP 22.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ENTIRE AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.

$$