HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC SUN AUG 30 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 30.
24 HOUR FORECAST VALID 1200 UTC AUG 31.
48 HOUR FORECAST VALID 1200 UTC SEP 01.
.WARNINGS.
...GALE WARNING...
.LOW 57N57W 992 MB MOVING SE 10 KT. WITHIN 120 NM W
SEMICIRCLE...AND FROM 57N TO 61N W OF 43W WINDS 25 TO 35 KT. SEAS
2.5 TO 3.5 M. ELSEWHERE FROM 51N TO 61N W OF 40W...AND N OF 60N W
OF 53W WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW 54N54W 998 MB. BETWEEN 90 NM AND 360 NM NW
QUADRANT WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. ELSEWHERE WITHIN 420
NM NW SEMICIRCLE WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER NEAR 54N42W 1000
MB. WITHIN 420 NM NW SEMICIRCLE AND 540 NM SW QUADRANT WINDS 20
TO 30 KT. SEAS TO 3 M.
.SYNOPSIS AND FORECAST.
.LOW 47N43W 1007 MB MOVING E 20 KT. WITHIN 300 NM SE AND 420 NM
SW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST LOW E OF AREA NEAR 49N30W 1007 MB. WITHIN 600
NM SW QUADRANT WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW AND CONDITIONS WELL E OF AREA.
.24 HOUR FORECAST NEW COMPLEX LOW WITH MAIN CENTER NEAR 45N57W
1004 MB. WITHIN 600 NM SE AND 480 NM SW QUADRANTS WINDS 20 TO 30
KT. SEAS TO 3 M.
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER NEAR 48N39W 1006
MB. WITHIN 540 NM SE AND 600 NM SW QUADRANTS WINDS 20 TO 30 KT.
SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST NEW LOW JUST E OF AREA NEAR 59N34W 1005 MB. N
OF 60N E OF GREENLAND WINDS TO 25 KT. SEAS TO 2.5 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 300 NM EITHER
SIDE OF A LINE FROM 44N46W TO 55N43W TO 60N61W...AND WITHIN THE
BAY OF FUNDY.
.24 HOUR FORECAST DENSE FOG FROM 42N TO 58N BETWEEN 50W AND
61W...AND W OF A LINE FROM 54N56W TO 61N60W TO 67N57W.
.48 HOUR FORECAST DENSE FOG WITHIN 120 NM OF THE E GREENLAND
COAST N OF 61N...AND N OF 59N W OF 59W.
.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 SUN AUG 30.
24 HOUR FORECAST VALID 1200 UTC MON AUG 31.
48 HOUR FORECAST VALID 1200 UTC TUE SEP 1.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC TROPICAL WAVE WITH AXIS ALONG 65W. WITHIN 22N63W TO 21N65W
TO 20N65W TO 19N64W TO 17N61W TO 19N59W TO 22N63W...INCLUDING IN
ATLANTIC EXPOSURES AND PASSAGES...E TO SE WINDS 20 TO 30 KT.
SEAS 2.5 TO 3.5 M. ELSEWHERE...WITHIN 21N55W TO 24N61W TO
22N65W TO 19N65W TO 16N60W TO 17N57W TO 21N55W...INCLUDING IN
ATLANTIC EXPOSURES AND PASSAGES... WINDS 20 KT OR LESS. SEAS 2.5
TO 3.0 M IN E TO SE SWELL.
.24 HOUR FORECAST TROPICAL WAVE WITH AXIS ALONG 70W. WITHIN
23N68W TO 23N69W TO 23N70W TO 22N70W TO 22N68W TO 23N68W E TO SE
WINDS 20 TO 25 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE...WITHIN 24N65W
TO 24N68W TO 23N70W TO 20N68W TO 20N66W TO 22N64W TO 24N65W WINDS
20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E TO SE SWELL.
.48 HOUR FORECAST TROPICAL WAVE WITH AXIS ALONG 75W. CONDITIONS
IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.ATLC AND CARIBBEAN WITHIN 20N71W TO 20N72W TO 20N73W TO 20N5W
TO 19N74W TO 20N71W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5
M.
.24 HOUR FORECAST CONDITIONS IMPROVE.
.CARIBBEAN WITHIN 13N71W TO 13N72W TO 12N74W TO 12N77W TO 11N76W
TO 12N71W TO 13N71W...INCLUDING THE GULF OF VENEZUELA...NE TO E
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 12N69W TO 13N70W TO 12N70W TO 11N70W TO
12N69W E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.42 HOUR FORECAST CONDITIONS IMPROVE.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
$$
.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.
$$