HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC FRI JUL 10 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 10.
24 HOUR FORECAST VALID 1800 UTC JUL 11.
48 HOUR FORECAST VALID 1800 UTC JUL 12.
.WARNINGS.
...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 48N47W 1003 MB MOVING N 25 KT.
WITHIN 300 NM E OF A FRONT FROM 49N46W TO 45N41W TO 39N40W WINDS
25 TO 40 KT. SEAS 3 TO 4.5 M. ELSEWHERE WITHIN 360 NM NE AND 780
NM SE QUADRANTS WINDS TO 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 58N44W 1001
MB. WITHIN 180 NM E OF A FRONT FROM 61N41W TO 57N40W TO 53N40W
WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. ELSEWHERE N OF 50N E OF 42W
AND WITHIN 480 NM S QUADRANT WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST COMPLEX LOW NE OF AREA AND NEW LOW NEAR 61N42W
1004 MB. N OF 48N E OF 43W WINDS TO 25 KT. SEAS TO 3 M.
.SYNOPSIS AND FORECAST.
.LOW 42N48W 1004 MB MOVING E 15 KT. WITHIN 420 NM SE AND 840 NM
SW QUADRANTS WINDS TO 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 45N38W 1010 MB. WITHIN 480 NM E AND 240 NM
W SEMICIRCLES WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST LOW E OF AREA. CONDITIONS DIMINISHED.
.LOW 61N54W 995 MB MOVING SE 10 KT. BETWEEN 240 NM AND 600 NM SE
QUADRANT AND FROM 58N TO 64N E OF 40W WINDS TO 25 KT. SEAS TO 2.5
M.
.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 58N44W IN
WARNING SECTION ABOVE.
.LOW 42N67W 1006 MB MOVING E 15 KT. WITHIN 720 NM S AND SW
QUADRANTS WINDS TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LOW 42N56W 1005 MB. WITHIN 360 NM S QUADRANT
WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW 45N49W 1006 MB. WITHIN 300 NM OF LOW CENTER
WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST NEW COMPLEX LOW WITH MEAN CENTER NEAR 38N72W
1014 MB. WITHIN 360 NM S QUADRANT WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 36N62W 1009
MB. S OF 41N BETWEEN 57W AND 75W WINDS TO 25 KT. SEAS TO 3 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N AND W OF A LINE
FROM 38N75W TO 40N60W TO 42N40W TO 60N40W TO 62N54W TO
54N58W...WITHIN 180 NM OF GREENLAND COAST BETWEEN 35W AND
51W...AND FROM 57N TO 63N W OF 58W.
.24 HOUR FORECAST DENSE FOG N AND W OF A LINE FROM 38N75W TO
40N60W TO 42N50W TO 40N35W TO 66N40W TO 63N51W TO 55N52W TO
47N65W...AND FROM 54N TO 62N W OF 57W.
.48 HOUR FORECAST DENSE FOG FROM 41N TO 51N BETWEEN 41W AND
57W...FROM 42N TO 60N E OF 39W...FROM 54N TO 62N W OF 57W...AND
WITHIN 120 NM OF GREENLAND COAST E OF 49W.
.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 1800 UTC FRI JUL 10.
24 HOUR FORECAST VALID 1800 UTC SAT JUL 11.
48 HOUR FORECAST VALID 1800 UTC SUN JUL 12.
.WARNINGS.
...CARIBBEAN GALE WARNING...
.CARIBBEAN WITHIN 18N73W TO 18N79W TO 15N82W TO 12N81W TO 11N76W
TO 13N68W TO 18N73W...INCLUDING BETWEEN CUBA AND JAMAICA AND IN
MONA PASSAGE...E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.06 HOUR FORECAST WITHIN 12N71W TO 13N72W TO 13N75W TO 12N76W TO
12N73W TO 11N71W TO 12N71W...INCLUDING THE GULF OF
VENEZUELA...NE TO E WINDS 25 TO 35 KT. SEAS 3.5 TO 4.5 M.
ELSEWHERE...WITHIN 18N73W TO 18N79W TO 12N81W TO 11N77W TO 11N71W
TO 13N68W TO 18N73W...INCLUDING IN MONA PASSAGE...E WINDS 20 TO
30 KT. SEAS 2.5 TO 3.5 M.
.15 HOUR FORECAST WITHIN 15N75W TO 15N77W TO 14N78W TO 11N78W TO
11N76W TO 12N74W TO 15N75W NE TO E WINDS 25 TO 30 KT. SEAS 3.5
TO 5.0 M. ELSEWHERE...WITHIN 16N69W TO 18N73W TO 18N80W TO 13N82W
TO 10N77W TO 13N69W TO 16N69W...INCLUDING IN MONA PASSAGE...E
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST WITHIN 15N76W TO 15N77W TO 14N79W TO 11N78W TO
12N75W TO 15N76W NE TO E WINDS 25 TO 30 KT. SEAS 3.5 TO 4.5 M.
ELSEWHERE...WITHIN 17N71W TO 18N76W TO 17N82W TO 11N82W TO 10N77W
TO 14N69W TO 17N71W...INCLUDING IN MONA PASSAGE...NE TO E WINDS
20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.30 HOUR FORECAST WITHIN 13N71W TO 13N75W TO 13N78W TO 12N79W TO
11N78W TO 11N71W TO 13N71W...INCLUDING THE GULF OF
VENEZUELA...NE TO E WINDS 25 TO 35 KT. SEAS 3.0 TO 4.0 M.
ELSEWHERE...WITHIN 15N69W TO 17N72W TO 17N82W TO 11N83W TO 10N77W
TO 12N71W TO 15N69W...INCLUDING IN MONA PASSAGE...NE TO E WINDS
20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.39 HOUR FORECAST WITHIN 13N75W TO 13N77W TO 12N77W TO 11N77W TO
11N76W TO 11N75W TO 13N75W NE TO E WINDS 25 TO 30 KT. SEAS 3.0
TO 4.0 M. ELSEWHERE...WITHIN 17N72W TO 17N80W TO 11N83W TO 10N77W
TO 13N69W TO 17N72W NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0
M.
.48 HOUR FORECAST WITHIN 17N71W TO 17N73W TO 14N80W TO 12N80W TO
11N77W TO 12N73W TO 17N71W NE TO E WINDS 20 TO 30 KT. SEAS 2.5
TO 3.5 M.
.SYNOPSIS AND FORECAST.
.ATLC WITHIN 21N71W TO 21N76W TO 19N76W TO 20N72W TO 20N70W TO
21N71W E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.
.ATLC WITHIN 14N57W TO 14N58W TO 14N59W TO 13N59W TO 13N58W TO
13N57W TO 14N57W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E
SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST CONDITIONS IMPROVE.
.CARIBBEAN 24 HOUR FORECAST WITHIN 17N86W TO 17N87W TO 17N88W TO
16N88W TO 16N85W TO 17N86W...INCLUDING THE GULF OF HONDURAS...E
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST LITTLE CHANGE.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.
$$