HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC SAT JUL 11 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 JUL 11.
24 HOUR FORECAST VALID 1800 UTC JUL 12.
48 HOUR FORECAST VALID 1800 UTC JUL 13.
.WARNINGS.
...GALE WARNING...
.LOW 59N44W 1000 MB MOVING NE 25 KT. E OF A LINE FROM 61N42W TO
50N40W WINDS 25 TO 35 KT. SEAS TO 4 M.
.24 HOUR FORECAST LOW WELL NE OF AREA. N OF 50N BETWEEN 35W AND
42W WINDS TO 25 KT. SEAS TO 3 M.
42 HOUR FORECAST ASSOCIATED CONDITIONS DIMINISHED.
.SYNOPSIS AND FORECAST.
.LOW 45N37W 1010 MB MOVING SE 20 KT. E OF A LINE FROM 50N40W TO
43N35W WINDS 20 TO 30 KT. SEAS TO 4 M.
.24 HOUR FORECAST LOW E OF AREA 39N30W 1014 MB. ASSOCIATED
CONDITIONS DIMINISHED.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 120 NM EITHER
SIDE OF A LINE FROM 60N45W TO 53N40W TO 45N38W...AND FROM 45N TO
50N BETWEEN 46W AND 56W.
.24 HOUR FORECAST DENSE FOG FROM 49N TO 58N BETWEEN 35W AND
39W...AND FROM 44N TO 50N BETWEEN 43W AND 50W.
.48 HOUR FORECAST DENSE FOG FROM 46N TO 58N BETWEEN 35W AND 43W.
.FORECASTER HUFFMAN. 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 1800 UTC SAT JUL 11.
24 HOUR FORECAST VALID 1800 UTC SUN JUL 12.
48 HOUR FORECAST VALID 1800 UTC MON JUL 13.
.WARNINGS.
...CARIBBEAN GALE WARNING...
.CARIBBEAN WITHIN 16N75W TO 16N78W TO 15N80W TO 13N81W TO 10N77W
TO 13N74W TO 16N75W NE TO E WINDS 25 TO 30 KT. SEAS 3.5 TO 5.0
M. ELSEWHERE...WITHIN 16N68W TO 17N71W TO 18N81W TO 11N83W TO
09N77W TO 16N68W...INCLUDING IN MONA PASSAGE AND WITHIN 60 NM OF
COAST OF NICARAGUA...NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5
M.
.06 HOUR FORECAST WITHIN 14N75W TO 15N76W TO 14N80W TO 11N80W TO
11N77W TO 11N75W TO 14N75W NE TO E WINDS 25 TO 35 KT. SEAS 3.5
TO 5.0 M. ELSEWHERE...WITHIN 16N67W TO 18N76W TO 18N81W TO 11N83W
TO 09N77W TO 14N68W TO 16N67W...INCLUDING IN MONA PASSAGE AND
WITHIN 60 NM OF COAST OF NICARAGUA...NE TO E WINDS 20 TO 30 KT.
SEAS 2.5 TO 3.5 M.
.18 HOUR FORECAST WITHIN 13N76W TO 13N77W TO 12N78W TO 11N78W TO
11N76W TO 11N75W TO 13N76W NE TO E WINDS 25 TO 30 KT. SEAS 3.5
TO 4.5 M. ELSEWHERE...WITHIN 18N71W TO 16N77W TO 15N80W TO 12N81W
TO 11N75W TO 13N70W TO 18N71W E WINDS 20 TO 30 KT. SEAS 2.5 TO
3.5 M.
.24 HOUR FORECAST WITHIN 13N77W TO 13N78W TO 12N78W TO 11N78W TO
11N76W TO 12N76W TO 13N77W NE TO E WINDS 20 TO 30 KT. SEAS 3.5
TO 4.5 M. ELSEWHERE...WITHIN 17N71W TO 18N76W TO 16N81W TO 11N83W
TO 10N78W TO 13N69W TO 17N71W...INCLUDING IN MONA PASSAGE AND
WITHIN 60 NM OF COAST OF NICARAGUA...NE TO E WINDS 20 TO 25 KT.
SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST WITHIN 17N73W TO 17N79W TO 15N82W TO 12N82W TO
11N77W TO 12N70W TO 17N73W...INCLUDING THE GULF OF VENEZUELA...E
WINDS 20 TO 30 KT. SEAS 2.5 TO 4.0 M.
.SYNOPSIS AND FORECAST.
.ATLC WITHIN 15N59W TO 15N60W TO 14N61W TO 13N59W TO 14N58W TO
15N59W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN E SWELL.
.09 HOUR FORECAST CONDITIONS IMPROVE.
.ATLC AND CARIBBEAN WITHIN 21N71W TO 21N73W TO 19N76W TO 20N72W
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 LITTLE CHANGE.
.CARIBBEAN WITHIN 16N85W TO 17N85W TO 17N87W TO 17N88W TO 16N88W
TO 16N86W...INCLUDING THE GULF OF HONDURAS...E WINDS 20 TO 25
KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.42 HOUR FORECAST CONDITIONS IMPROVE.
.GULF OF AMERICA 24 HOUR FORECAST WITHIN 22N88W TO 22N90W TO
22N90W TO 21N90W TO 21N88W TO 22N88W NE TO E WINDS 20 TO 25 KT.
SEAS LESS THAN 2.5 M.
.36 HOUR FORECAST CONDITIONS IMPROVE.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.
$$