HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC SAT AUG 29 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC AUG 29.
24 HOUR FORECAST VALID 1200 UTC AUG 30.
48 HOUR FORECAST VALID 1200 UTC AUG 31.
.WARNINGS.
...GALE WARNING...
.COMPLEX LOW WITH MEAN CENTER INLAND NEAR 56N61W 1006 MB MOVING
NE 10 KT. WITHIN 540 NM SE...300 NM NE...AND 480 NM N QUADRANTS
WINDS 20 TO 30 KT. SEAS TO 3 M...HIGHEST N OF MEAN CENTER.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 57N57W 994 MB.
FROM 57N TO 60N BETWEEN 42W AND 62W...AND WITHIN 180 NM W
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. ELSEWHERE FROM 51N
TO 61N W OF 39W...AND WITHIN 420 NM NW QUADRANT WINDS TO 25 KT.
SEAS TO 2.5 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 54N54W 998 MB.
BETWEEN 240 NM AND 480 NM NW QUADRANT...AND BETWEEN 360 NM AND
840 NM S AND SW QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M.
ELSEWHERE N OF 37N BETWEEN 46W AND 67W WINDS TO 25 KT. SEAS TO
2.5 M.
.SYNOPSIS AND FORECAST.
.LOW 44N59W 1011 MB MOVING NE 30 KT. WITHIN 300 NM SE AND 420 NM
SW QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST LOW 47N44W 1006 MB. WITHIN 360 NM SE AND 540 NM
SW QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST LOW E OF AREA NEAR 48N31W 1007 MB. WITHIN 720
NM SW QUADRANT WINDS TO 25 KT. SEAS TO 3 M.
.FROM 46N TO 53N E OF 41W AREA OF NW WINDS TO 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST CONDITIONS E OF AREA.
.LOW 61N42W 1010 MB MOVING E 15 KT. WITHIN 180 NM SW QUADRANT
WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW E OF AREA AND CONDITIONS DESCRIBED WITH LOW
57N57W IN WARNING SECTION ABOVE.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 150 NM OF
43N66W...AND WITHIN 180 NM EITHER SIDE OF A LINE FROM 45N51W TO
51N49W TO 61N62W TO 67N61W.
.24 HOUR FORECAST DENSE FOG WITHIN 300 NM EITHER SIDE OF A LINE
FROM 43N45W TO 55N46W TO 59N60W...AND W OF A LINE FROM 62N62W TO
67N55W.
.48 HOUR FORECAST DENSE FOG FROM 45N TO 56N BETWEEN 46W AND 60W.
.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 1200 UTC SAT AUG 29.
24 HOUR FORECAST VALID 1200 UTC SUN AUG 30.
48 HOUR FORECAST VALID 1200 UTC MON AUG 31.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC TROPICAL WAVE...REMNANTS OF DOLLY...WITH AXIS ALONG 56W.
WITHIN 19N52W TO 20N55W TO 18N56W TO 17N56W TO 17N53W TO 17N51W
TO 19N52W E TO SE WINDS 25 TO 30 KT. SEAS 3.5 TO 4.5 M.
ELSEWHERE...WITHIN 19N46W TO 22N52W TO 21N58W TO 17N58W TO 14N51W
TO 15N48W TO 19N46W E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST TROPICAL WAVE WITH AXIS ALONG 64W. WITHIN
21N61W TO 22N64W TO 20N64W TO 19N61W TO 18N60W TO 19N58W TO
21N61W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES...E TO SE
WINDS 20 TO 30 KT. SEAS 2.5 TO 4.0 M.
.48 HOUR FORECAST TROPICAL WAVE WITH AXIS ALONG 70W. WITHIN
23N66W TO 22N68W TO 22N71W TO 21N71W TO 21N69W TO 22N65W TO
23N66W E TO SE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.5 M.
.ATLC AND CARIBBEAN 06 HOUR FORECAST WITHIN 21N71W TO 21N72W TO
21N74W TO 19N75W TO 19N73W TO 20N71W TO 21N71W NE TO E WINDS 20
TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST CONDITIONS IMPROVE.
.CARIBBEAN WITHIN 13N75W TO 12N76W TO 12N77W TO 11N77W TO 11N76W
TO 11N74W TO 13N75W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0
M.
.24 HOUR FORECAST WITHIN 12N75W TO 12N76W TO 12N77W TO 11N77W TO
11N76W TO 11N75W TO 12N75W NE TO E WINDS 20 TO 25 KT. SEAS 2.5
TO 3.0 M.
.48 HOUR FORECAST CONDITIONS IMPROVE.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
$$
.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.