HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC SAT JUN 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 JUN 20.
24 HOUR FORECAST VALID 0600 UTC JUN 21.
48 HOUR FORECAST VALID 0600 UTC JUN 22.
.WARNINGS.
...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 48N61W 991 MB MOVING NE 20 KT...AND
SECOND CENTER 40N63W 1001 MB MOVING NE 35 KT. FROM 40N TO 52N
BETWEEN 45W AND 72W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 50N51W 991 MB AND
SECOND CENTER 50N45W 990 MB. WITHIN AN AREA BOUNDED BY A LINE
FROM 31N70W TO 52N67W TO 56N50W TO 52N35W TO 42N35W TO 31N55W TO
31N70W WINDS 25 TO 40 KT. SEAS 2.5 TO 5.5 M.
.48 HOUR FORECAST COMBINED LOW 53N43W 992 MB. FROM 43N TO 58N
BETWEEN 35W AND 51W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M.
...GALE WARNING...
.LOW 36N69W 1004 MB MOVING NE 50 KT. WITHIN 360 NM S OF A LINE
FROM 40N55W TO 40N63W TO 31N78W WINDS 25 TO 40 KT. SEAS 2.5 TO 4
M.
.24 HOUR FORECAST LOW 42N47W 1004 MB. ASSOCIATED CONDITIONS
DESCRIBED ABOVE WITH LOW 50N51W.
.48 HOUR FORECAST LOW DISSIPATED. ASSOCIATED CONDITIONS
DIMINISHED.
.SYNOPSIS AND FORECAST.
.LOW E OF AREA NEAR 42N29W 1004 MB MOVING NE 10 KT. WITHIN 360 NM
W SEMICIRCLE WINDS TO 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW WELL E OF AREA. ASSOCIATED CONDITIONS
DIMINISHED.
.LOW 60N53W 1010 MB DRIFTING W. WITHIN 180 NM NE SEMICIRCLE WINDS
TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LOW DISSIPATED. ASSOCIATED CONDITIONS
DIMINISHED.
.24 HOUR FORECAST NEW LOW 63N62W 1004 MB. WITHIN 360 NM NE...AND
240 NM SE QUADRANTS WINDS TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST LOW 62N58W 1004 MB. WITHIN 240 NM NE...AND 180
NM SW SEMICIRCLES WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST FROM 58N TO 60N BETWEEN 48W AND 40W WINDS TO 25
KT. SEAS LESS THAN 2.5 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN AN AREA
BOUNDED BY A LINE FROM 40N47W TO 49N69W TO 53N50W TO 40N47W.
.24 HOUR FORECAST DENSE FOG WITHIN AN AREA BOUNDED BY A LINE FROM
40N50W TO 50N60W TO 55N52W TO 44N38W TO 40N50W.
.48 HOUR FORECAST DENSE FOG FROM 42N TO 50N BETWEEN 40W AND
52W...AND WITHIN 120 NM SW OF A LINE FROM 59N61W TO 51N51W.
.FORECASTER BYRD. 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 SAT JUN 20.
24 HOUR FORECAST VALID 0600 UTC SUN JUN 21.
48 HOUR FORECAST VALID 0600 UTC MON JUN 22.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC 18 HOUR FORECAST WITHIN 20N71W TO 21N71W TO 20N72W TO
20N71W 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.
.42 HOUR FORECAST WITHIN 20N71W TO 21N70W TO 21.5N72W TO 20N74W
TO 20N71W...INCLUDING THE ENTRANCE TO THE WINDWARD PASSAGE...E
WINDS 20 TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LITTLE CHANGE.
.ATLC WITHIN 15N55W TO 15N60W TO 13N59W TO 12N57W TO 13N56W TO
TO 15N55W WINDS 20 KT OR LESS. SEAS TO 2.5 TO IN E SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WITHIN 14N55W TO 14N60W TO 12N60W TO 11N57W TO
12N53W TO 14N55W WINDS 20 KT OR LESS. SEAS TO 2.5 M IN E SWELL.
.CARIBBEAN WITHIN 15N68W TO 17.5N71W TO 16N77W TO 14N80W TO
12N79W TO 11N71W TO 12N69W TO 15N68W NE TO E WINDS 20 TO 25 KT...
EXCEPT 25 TO 30 KT IN THE GULF OF VENEZUELA. SEAS 2.5 TO 3 M...
EXCEPT LESS THAN 2.5 M IN THE GULF OF VENEZUELA.
.24 HOUR FORECAST WITHIN 14N70W TO 16N77W TO 16N79W TO 12N79W TO
11N75W TO 11N70W TO 14N70W...INCLUDING IN THE GULF OF VENEZUELA
...NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M...EXCEPT LESS THAN
2.5 M IN THE GULF OF VENEZUELA.
.48 HOUR FORECAST WITHIN 14N71W TO 14N73W TO 13N76W TO 11N75W TO
12N72W TO 12N67W TO 14N71W...INCLUDING IN THE GULF OF VENEZUELA
...NE TO E WINDS 20 TO 25 KT. SEAS 2.5 M OUTSIDE THE GULF OF
VENEZUELA. WITHIN 17N72W TO 16N76W TO 15N81W TO 12N79W TO 11N80W
TO 17N72W WINDS 20 KT OR LESS. SEAS 2.5 M IN E SWELL.
.CARIBBEAN WITHIN 17N85W TO 18N86W TO 19N88W TO 16N88W TO 16N87W
TO 16N86W TO 17N85W...INCLUDING IN THE GULF OF HONDURAS...E TO SE
WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.18 HOUR FORECAST WITHIN 16.5N85.5W TO 17N86W TO 17N86.5W TO
16.5N86.5W TO 16N86.5W TO 16N85.5W TO 16.5N85.5W E WINDS 20 TO 25
KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST WITHIN 16N85W TO 17N86W TO 17N88W TO 16N88W TO
16N87W TO 16N86.5W TO 16N85W...INCLUDING IN THE GULF OF
HONDURAS...
E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST LITTLE CHANGE.
.GULF OF AMERICA WITHIN 23N87W TO 23N89W TO 22N89W TO 22N87W TO
23N87W E TO SE 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.
.24 HOUR FORECAST WITHIN 22.5N88W TO 24N90W TO 22N92.5W TO
20N92W TO 22.5N88W E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5
M.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.
$$