METAREA 4 bulletinset


HIGH SEAS FORECAST
FZNT01 KWBC 052149

HSFAT1

HIGH SEAS FORECAST FOR METAREA IV

NWS OCEAN PREDICTION CENTER WASHINGTON DC

2230 UTC WED AUG 05 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC AUG 05.

24 HOUR FORECAST VALID 1800 UTC AUG 06.

48 HOUR FORECAST VALID 1800 UTC AUG 07.

.WARNINGS.

...GALE WARNING...

.LOW 49N53W 1001 MB MOVING SE 20 KT. WITHIN 480 NM S AND SW

SEMICIRCLES...ALSO FROM 49N TO 54N BETWEEN 42W AND 48W WINDS 20

TO 30 KT. SEAS TO 3 M.

.24 HOUR FORECAST LOW 46N50W 1006 MB. FROM 37N TO 50N BETWEEN

40W AND 58W WINDS TO 25 KT. SEAS TO 2.5 M.

.48 HOUR FORECAST LOW 42N43W 1006 MB. FROM 39N TO 44N BETWEEN

40W AND 43W WINDS 25 TO 35 KT. SEAS TO 3.5 M. ELSEWHERE WITHIN

300 NM NE...360 NM SE AND 480 NM SW QUADRANTS WINDS 20 TO 30 KT.

SEAS TO 3 M.

.SYNOPSIS AND FORECAST.

.FROM 53N TO 58N E OF 43W WINDS TO 25 KT. SEAS TO 2.5 M.

.24 HOUR FORECAST N OF 62N E OF GREENLAND WINDS 20 TO 30 KT.

SEAS TO 3.5 M.

.48 HOUR FORECAST N OF 60N E OF 38W WINDS 20 TO 30 KT. SEAS 2.5

TO 4 M.

.N OF 64N W OF GREENLAND WINDS TO 25 KT. SEAS LESS THAN 2.5 M.

.24 HOUR FORECAST N OF 64N W OF GREENLAND WINDS 20 TO 30 KT.

SEAS TO 2.5 M.

.48 HOUR FORECAST CONDITIONS DIMINISHED.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM W OF A LINE FROM

60N63W TO 57N56W TO 52N51W...ALSO FROM 57N TO 58N BETWEEN 40W

AND 51W.

.24 HOUR FORECAST DENSE FOG W OF A LINE FROM 60N62W TO 57N60W.

.48 HOUR FORECAST CONDITIONS IMPROVED.

.FORECASTER SHAW. 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 1800 UTC WED AUG 5.

24 HOUR FORECAST VALID 1800 UTC THU AUG 6.

48 HOUR FORECAST VALID 1800 UTC FRI AUG 7.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC TROUGH FROM 25N65W TO 20N68W. WITHIN 26N61W TO 26N66W TO

25N68W TO 24N68W TO 23N65W TO 25N62W TO 26N61W NE TO E WINDS 20

TO 25 KT. SEAS 2.5 TO 3.0 M.

.24 HOUR FORECAST TROUGH FROM 29N74W TO 22N76W. WITHIN 28N70W TO

29N71W TO 29N74W TO 27N74W TO 26N73W TO 27N70W TO 28N70W E TO SE

WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.

.42 HOUR FORECAST TROUGH EXITING FROM 30N80W TO 24N81W.

CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

.CARIBBEAN WITHIN 13N72W TO 15N74W TO 14N79W TO 14N80W TO 10N77W

TO 12N73W TO 13N72W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.

.24 HOUR FORECAST WITHIN 14N72W TO 14N74W TO 12N74W TO 12N72W TO

11N71W TO 13N69W TO 14N72W...INCLUDING THE GULF OF

VENEZUELA...NE TO

E WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.

.48 HOUR FORECAST LITTLE CHANGE...EXCEPT SEAS BUILDING TO 2.5 TO

3.0

M W OF 72W.

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

$$

.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.