HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC WED AUG 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 19.
24 HOUR FORECAST VALID 0600 UTC AUG 20.
48 HOUR FORECAST VALID 0600 UTC AUG 21.
.WARNINGS.
...GALE WARNING...
.LOW 42N65W 1008 MB MOVING NE 25 KT. FROM 36N TO 46N BETWEEN 57W
AND 66W S TO SE WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST LOW MOVED INLAND NEAR 53N61W 1005 MB. FROM 42N
TO 56N BETWEEN 50W AND 59W S WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW ABSORBED BY NEW LOW 61N60W 994 MB. FROM 59N
TO 64N E OF 43W WINDS 25 TO 35 KT. SEAS TO 3.5 M. ELSEWHERE
WITHIN 360 NM NW OF A LINE FROM 53N46W TO 60N35W AND N OF 61N W
OF GREENLAND WINDS 20 TO 30 KT. SEAS TO 3 M. ALSO FROM 57N TO 61N
W OF 44W WINDS LESS THAN 25 KT. SEAS TO 3 M.
.SYNOPSIS AND FORECAST.
.LOW 59N52W 1014 MB MOVING NE 10 KT. WITHIN 420 NM E AND 480 NM S
QUADRANTS WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DIMINISHED.
.COMPLEX LOW WITH MAIN CENTER 40N48W 1014 MB MOVING NE 15 KT.
FROM 35N TO 49N BETWEEN 36W AND 51W WINDS TO 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 45N43W 1015 MB.
FROM 41N TO 50N E OF 46W WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW MOVED E OF AREA. FROM 46N TO 50N E OF 40W
WINDS LESS THAN 25 KT. SEAS TO 2.5 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 40N TO 49N
BETWEEN 59W AND 69W...FROM 53N TO 66N W OF 44W...AND FROM 44N TO
46N BETWEEN 44W AND 47W.
.24 HOUR FORECAST DENSE FOG FROM 44N TO 48N E OF 49W...FROM 43N
TO 45N BETWEEN 65W AND 68W...WITHIN THE GULF OF SAINT LAWRENCE N
OF 48N W OF 59W...FROM 53N TO 58N W OF 47W...N OF 59N W OF
44W...AND FROM 58N TO 61N BETWEEN 40W AND 44W.
.48 HOUR FORECAST DENSE FOG FROM 59N TO 65N W OF 43W AND FROM 45N
TO 59N BETWEEN 44W AND 56W.
.FORECASTER JOSEPH. 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 0600 UTC WED AUG 19.
24 HOUR FORECAST VALID 0600 UTC THU AUG 20.
48 HOUR FORECAST VALID 0600 UTC FRI AUG 21.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.CARIBBEAN WITHIN 13N74W TO 13N78W TO 11N78W TO 10N76W TO 11N75W
TO 12N72W TO 13N74W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 M.
.24 HOUR FORECAST WITHIN 13N68W TO 16N75W TO 12N78W TO 10N76W TO
11N73W TO 10N72W TO 13N68W...INCLUDING THE GULF OF
VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST WITHIN 13N68W TO 16N73W TO 15N79W TO 12N82W TO
11N79W TO 10N72W TO 13N68W...INCLUDING THE GULF OF
VENEZUELA...NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.FORECASTER DELGADO. NATIONAL HURRICANE CENTER.
$$