FZNT01 KWBC 211622
HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC WED OCT 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 OCT 21.
24 HOUR FORECAST VALID 1200 UTC OCT 22.
48 HOUR FORECAST VALID 1200 UTC OCT 23.
.WARNINGS.
...HURRICANE FORCE WIND WARNING...
.LOW 37N69W 991 MB MOVING NE 10 KT. WITHIN 150 NM N...120 NM
W...AND 90 NM SE WINDS 40 TO 50 KT. SEAS 5 TO 8.5 M. ELSEWHERE
FROM 35N TO 41N BETWEEN 65W AND 74W WINDS 30 TO 40 KT. SEAS 3.5
TO 7 M. ELSEWHERE S OF 44N W OF A LINE FROM 44N55W TO 31N67W
WINDS 20 TO 30 KT. SEAS 2.5 TO 6 M...HIGHEST NEAR CENTER.
.24 HOUR FORECAST LOW 39N68W 983 MB. WITHIN 90 NM E AND 120 NM W
SEMICIRCLES WINDS 40 TO 50 KT. SEAS 5.5 TO 8 M. ELSEWHERE WTIHIN
90 NM NE...120 NM SE...180 NM SW...AND 240 NM NW QUADRANTS WINDS
30 TO 40 KT. SEAS 4 TO 6 M. ELSEWHERE FROM 34N TO 45N BETWEEN 62W
AND 75W WINDS 20 TO 30 KT. SEAS 3.5 TO 5 M. ELSEWHERE S OF 43N
BETWEEN 61W AND 80W WINDS LESS THAN 25 KT. SEAS TO 4 M.
.36 HOUR FORECAST LOW 40N64W 980 MB. WITHIN 90 NM W SEMICIRCLE
WINDS 50 TO 65 KT. SEAS 7 TO 10 M.
.48 HOUR FORECAST LOW 43N58W 981 MB. WITHIN 90 NM W SEMICIRCLE
WINDS 50 TO 60 KT. SEAS 7 TO 9 M. ELSEWHERE FROM 39N TO 50N
BETWEEN 54W AND 63W WINDS 35 TO 50 KT. SEAS 4.5 TO 9 M. ELSEWHERE
FROM 35N TO 50N BETWEEN 52W AND 72W WINDS 25 TO 35 KT. SEAS 2.5
TO 4.5 M.
...STORM WARNING...
.COMPLEX LOW WITH MEAN CENTER E OF AREA NEAR 62N31W 985 MB.
WITHIN 120 NM S OF A LINE FROM 59N35W TO 59N40W TO 60N45W...AND N
OF 65N E OF 38W WINDS 35 TO 50 KT. SEAS 4 TO 7 M. ELSEWHERE
WITHIN 300 NM S OF A LINE FROM 60N35W TO 60N43W TO 62N49W..AND N
OF 64N E OF 42W WINDS 25 TO 35 KT. SEAS 3 TO 5 M. ELSEWHERE N AND
E OF A LINE FROM 47N35W TO 47N39W TO 54N57W TO 62N61W TO 67N45W
WINDS TO 25 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER JUST E OF AREA
NEAR 62N30W 983 MB. FROM 56N TO 64N E OF 41W WINDS 35 TO 45 KT.
SEAS 5 TO 8 M. ELSEWHERE N OF 48N E OF 43W WINDS 25 TO 35 KT.
SEAS 2.5 TO 6 M...HIGHEST S AND W OF CENTER.
.48 HOUR FORECAST LOW MOVED WELL E OF AREA AND CONDITIONS MERGED
WITH LOW 59N41W DESCRIBED BELOW.
...GALE WARNING...
.LOW 46N38W 1008 MB MOVING E 40 KT AND RAPIDLY INTENSIFYING. FROM
41N TO 47N E OF 46W WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS MOVED WELL E OF
AREA.
...GALE WARNING...
.24 HOUR FORECAST NEW LOW 58N56W 997 MB. WITHIN 120 NM N OF A
LINE FROM 59N50W TO 57N62W...FROM 51N TO 58N BETWEEN 43W AND
58W...AND N OF 62N BETWEEN 53W AND 63W WINDS 25 TO 35 KT. SEAS
2.5 TO 3.5 M.
.48 HOUR FORECAST LOW 59N41W 992 MB. FROM 52N TO 64N BETWEEN 37W
AND 60W WINDS 25 TO 35 KT. SEAS 4 TO 6.5 M. ELSEWHERE FROM 52N TO
66N E OF 64W WINDS TO 25 KT. SEAS TO 4 M.
...GALE WARNING...
.42 HOUR FORECAST NEW LOW 50N42W 1003 MB. FROM 46N TO 50N BETWEEN
36W AND 44W WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST LOW 52N37W 1002 MB. WITHIN 300 NM SE OF A LINE
FROM 52N35W TO 46N45W WINDS 25 TO 35 KT. SEAS TO 4 M.
.SYNOPSIS AND FORECAST.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 59N TO 63N W OF
56W...AND N OF 63N E OF 40W.
.24 HOUR FORECAST DENSE FOG FROM 42N TO 44N BETWEEN 47W AND
56W...WITHIN 90 NM NW OF A LINE 43N61W TO 38N69W...FROM 54N TO
61N W OF 47W...AND FROM 60N TO 64N E OF 41W.
.48 HOUR FORECAST DENSE FOG WITHIN 180 NM NW OF A LINE FROM
52N34W TO 48N38W TO 42N52W...AND FROM 57N TO 61N BETWEEN 38W AND
53W.
.FORECASTER POCHE. 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 1200 UTC WED OCT 21.
24 HOUR FORECAST VALID 1200 UTC THU OCT 22.
48 HOUR FORECAST VALID 1200 UTC FRI OCT 23.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC W OF A LINE FROM 31N68W TO 25N75W AND E OF THE BAHAMAS
WINDS
20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL.
.24 HOUR FORECAST N OF 25N BETWEEN 66W AND 80W WINDS 20 KT OR
LESS.
SEAS 2.5 TO 4.0 M IN N TO NE SWELL...HIGHEST N OF 30N BETWEEN
70W
AND 74W.
.48 HOUR FORECAST N OF 25N E OF 73W TO A LINE FROM 31N65W TO
25N72W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL.
.GULF OF AMERICA S OF 20N W OF 95W NW WINDS 20 TO 30 KT. SEAS
2.5
TO 3.0 M.
.18 HOUR FORECAST 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 GR. NATIONAL HURRICANE CENTER.
$$
