FZNT01 KWBC 302140
HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC SAT AUG 30 2025
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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC AUG 30.
24 HOUR FORECAST VALID 1800 UTC AUG 31.
48 HOUR FORECAST VALID 1800 UTC SEP 01.
.WARNINGS.
...GALE WARNING...
.LOW 47N54W 999 MB MOVING NE 25 KT. WITHIN 240 NM OF LOW WINDS 30
TO 45 KT. SEAS 2.5 TO 6.5 M...HIGHEST NEAR 45N54W. ELSEWHERE
WITHIN 360 NM NE AND 420 NM SE QUADRANTS...AND WITHIN 300 NM W
SEMICIRCLE...WINDS 20 TO 30 KT. SEAS TO 4 M. ELSEWHERE FROM 38N
TO
46N BETWEEN 62W AND 54W WINDS LESS THAN 25 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST LOW 53N41W 1000 MB. WITHIN 120 NM EITHER SIDE
OF A LINE FROM 52N45W TO 49N41W TO 48N37W WINDS 30 TO 40 KT. SEAS
3 TO 5.5 M. ELSEWHERE WITHIN 180 NM N SEMICIRCLE...AND FROM 43N
TO 53N BETWEEN 51W AND 35W...WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS MOVED E OF AREA.
...GALE WARNING...
.24 HOUR FORECAST NEW LOW 32N75W 1007 MB. WITHIN 60 NM NW
QUADRANT WINDS 25 TO 35 KT. SEAS LESS THAN 2.5 M. ELSEWHERE
WITHIN 180 NM NW OF A FRONT FROM 30N79W TO LOW CENTER TO 34N69W
WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST LOW 37N66W 1013 MB. WITHIN 60 NM NW AND N
QUADRANTS WINDS 25 TO 35 KT. SEAS LESS THAN 2.5 M. ELSEWHERE
WITHIN 240 NM NW AND 60 NM SE OF A FRONT FROM 29N77W TO LOW
CENTER TO 38N60W WINDS 20 TO 30 KT. SEAS TO 3 M.
...GALE WARNING...
.48 HOUR FORECAST LOW INLAND 68N73W 988 MB. N OF 65N BETWEEN 58W
AND THE W COAST OF GREENLAND WINDS 25 TO 35 KT. SEAS TO 3 M.
ELSEWHERE WITHIN 120 NM EITHER SIDE OF A LINE FROM 61N60W TO
67N56W WINDS 20 TO 30 KT. SEAS TO 3 M.
.SYNOPSIS AND FORECAST.
.LOW WELL E OF AREA. FROM 48N TO 56N BETWEEN 38W AND 35W WINDS 20
TO 30 KT. SEAS 3 TO 4 M. ELSEWHERE WITHIN AN AREA BOUNDED BY A
LINE FROM 42N35W TO 50N44W TO 58N44W TO 58N35W TO 42N35W WINDS
LESS THAN 25 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST REMNANT SWELL MERGED WITH LOW DESCRIBED IN
FIRST GALE WARNING ABOVE.
.LOW 66N54W 1000 MB MOVING E 10 KT. WITHIN 60 NM OF THE W COAST
OF GREENLAND FROM 62N TO 66N WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST ORIGINAL LOW DISSIPATED AND NEW LOW FORMED NEAR
61N52W 1002 MB. WITHIN 90 NM OF THE W COAST OF GREENLAND FROM 60N
TO 63N...AND WITHIN 120 NM EITHER SIDE OF A LINE FROM 54N59W TO
62N51W...WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW 57N42W 1001 MB. FROM 50N TO 60N BETWEEN 52W
AND 40W WINDS 20 TO 30 KT. SEAS TO 3 M. ELSEWHERE FROM 50N TO 56N
BETWEEN 40W AND 35W WINDS TO 25 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST FROM 39N TO 41N BETWEEN 57W AND 53W AREA OF SW
WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW 48N40W 1007 MB. FROM 42N TO 50N BETWEEN 46W
AND 35W WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 49N TO 53N
BETWEEN 56W AND 48W.
.24 HOUR FORECAST DENSE FOG WITHIN 90 NM EITHER SIDE OF A LINE
FROM 64N52W TO 60N51W TO 56N46W.
.48 HOUR FORECAST CONDITIONS IMPROVED.
.FORECASTER CONNELLY. 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 1800 UTC SAT AUG 30.
24 HOUR FORECAST VALID 1800 UTC SUN AUG 31.
48 HOUR FORECAST VALID 1800 UTC MON SEP 1.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC 24 HOUR FORECAST WITHIN 31N77W TO 31N81W TO 30N81W TO
30N80W TO 30N77W TO 31N77W NE WINDS 20 TO 25 KT. SEAS LESS THAN
2.5 M.
.48 HOUR FORECAST WITHIN 31N77W TO 31N81W TO 30N81W TO 30N80W TO
30N77W TO 31N77W NE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.CARIBBEAN WITHIN 12N71W TO 12N72W TO 11N71W TO 11N70W TO 12N70W
TO 12N71W...INCLUDING THE GULF OF VENEZUELA... NE WINDS 20 TO 25
KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 13N71W TO 13N73W TO 12N73W TO 12N71W TO
12N70W TO 11N70W TO 13N71W...INCLUDING THE GULF OF
VENEZUELA...NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST LITTLE CHANGE.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.
$$
