METAREA 4 bulletinset


HIGH SEAS FORECAST
FZNT01 KWBC 250937

HSFAT1

HIGH SEAS FORECAST FOR METAREA IV

NWS OCEAN PREDICTION CENTER WASHINGTON DC

1030 UTC TUE AUG 25 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 AUG 25.

24 HOUR FORECAST VALID 0600 UTC AUG 26.

48 HOUR FORECAST VALID 0600 UTC AUG 27.

.WARNINGS.

...GALE WARNING...

.LOW NEAR 35N56W 1015 MB MOVING N 30 KT. S OF 40N BETWEEN 54W

AND 62W WINDS 20 TO 30 KT. SEAS TO 3 M.

.06 HOUR FORECAST LOW 39N61W 1010 MB. FROM 33N TO 43N BETWEEN

43W AND 59W WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.

.24 HOUR FORECAST LOW 46N56W 1010 MB. FROM 37N TO 47N BETWEEN

40W AND 42W WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. ELSEWHERE FROM

36N TO 45N BETWEEN 51W AND 59W WINDS TO 25 KT. SEAS 2.5 TO 3.5

M.

.48 HOUR FORECAST LOW 53N36W 999 MB. WITHIN 600 NM S QUADRANT

WINDS TO 25 KT. SEAS TO 2.5 M.

...GALE WARNING...

.24 HOUR FORECAST LOW 60N60W 1001 MB. WITHIN 180 NM NE OF A LINE

FROM 554N45W TO 57N46W TO 62N61W WINDS 25 TO 40 KT. SEAS 2.5 TO

4 M.

.48 HOUR FORECAST LOW 62N60W 1006 MB. WITHIN 120 NM NE OF A LINE

FROM 63N60W TO 61N53W TO 59N50W TO 58N45W AND WITHIN 180 NM W

SEMICIRCLE WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M...HIGHEST NEAR

62N52W.

...GALE WARNING...

.30 HOUR FORECAST NEW LOW 54N47W 1003 MB. WITHIN 240 NM E

SEMICIRCLE WINDS 25 TO 35 KT. SEAS TO 2.5 M.

.48 HOUR FORECAST LOW 54N42W 1004 MB. WITHIN 240 NM NE AND 480

NM SE QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.

.SYNOPSIS AND FORECAST.

.COMPLEX LOW WITH MAIN CENTER E OF AREA NEAR 58N28W 1006 MB

MOVING SE 15 KT. FROM 49N TO 61N E OF 37W WINDS 20 TO 30 KT.

SEAS 2.5 TO 4 M.

.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS MOVED E OF AREA.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 45N TO 56N

BETWEEN 48W AND 62W AND FROM 58N TO 63N W OF 63W.

.24 HOUR FORECAST DENSE FOG FROM 45N TO 62N BETWEEN 41W AND 57W.

.48 HOUR FORECAST DENSE FOG FROM 43N TO 52N E OF 53W AND FROM

59N TO 62N W OF 58W.

.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 0600 UTC TUE AUG 25.

24 HOUR FORECAST VALID 0600 UTC WED AUG 26.

48 HOUR FORECAST VALID 0600 UTC THU AUG 27.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC LOW PRES...INVEST AL95...N OF AREA NEAR 35N60W 1015 MB.

WITHIN 31N55W TO 31N58W TO 30N58W TO 29N56W TO 30N55W TO 31N55W S

WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.

.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

.ATLC WITHIN 21N71W TO 21N72W TO 20N72W TO 20N71W TO 21N71W E

WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.

.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

.18 HOUR FORECAST WITHIN 21N71W TO 21N72W TO 20N72W TO 20N71W TO

21N71W E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.

.24 HOUR FORECAST LITTLE CHANGE.

.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

.CARIBBEAN WITHIN 14N68W TO 14N75W TO 12N77W TO 11N75W TO 12N72W

TO 11N70W TO 12N69W TO 14N68W...INCLUDING IN THE GULF OF

VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS TO 2.5 M FROM

11N TO 13N BETWEEN 74W AND 75W.

.18 HOUR FORECAST WITHIN 13N69W TO 15N71W TO 16N75W TO 14N77W TO

11N76W TO 11N71W TO 13N69W NE TO E WINDS 20 TO 25 KT...EXCEPT 25

TO 30 KT IN THE GULF OF VENEZUELA. SEAS 2.5 TO 3 M W OF 72W.

.24 HOUR FORECAST LITTLE CHANGE.

.48 HOUR FORECAST LITTLE CHANGE.

.ATLC 48 HOUR FORECAST LOW PRES...INVEST AL96...POSSIBLE

TROPICAL

CYCLONE...E OF AREA NEAR 13N33W 1005 MB. OVER FORECAST WATERS

WITHIN 17N35W TO 16.5N35.5W TO 15.5N35.5W TO 14.5N35.5W TO 14N35W

TO 17N35W NE WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M. ELSEWHERE

WITHIN 18N35W TO 16N37W TO 13N36W TO 12N35W TO 15N36W TO 18N35W

WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN NE TO E SWELL.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

$$

.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.