HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC WED JUL 15 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 15.
24 HOUR FORECAST VALID 1800 UTC JUL 16.
48 HOUR FORECAST VALID 1800 UTC JUL 17.
.WARNINGS.
...GALE WARNING...
.COMPLEX LOW WITH MEAN CENTER INLAND 54N52W 989 MB NEARLY
STATIONARY. BETWEEN 180 NM AND 600 NM NE SEMICIRCLE OF MEAN
CENTER...AND WITHIN 360 NM SE OF A FRONT FROM 55N55W TO 47N56W TO
38N69W WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. ELSEWHERE FROM 35N TO
63N BETWEEN 43W AND 71W WINDS TO 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER 54N62W 989 MB.
BETWEEN 300 NM AND 660 NM NE SEMICIRCLE WINDS 20 TO 30 KT. SEAS 3
TO 5 M. ELSEWHERE N OF 50N W OF 41W WINDS TO 25 KT. SEAS TO 3 M.
.36 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 55N60W 991
MB. WITHIN 300 NM N AND NE QUADRANTS OF SECOND CENTER...AND
WITHIN 180 NM EITHER SIDE OF A LINE FROM 55N50W TO 48N53W TO
42N60W TO 39N70W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 54N60W 992
MB. WITHIN 150 NM OF THE GREENLAND COAST BETWEEN 44W AND 53W
WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. ELSEWHERE N OF 50N W OF
40W...EXCEPT N OF 60N E OF GREENLAND...WINDS TO 25 KT. SEAS TO
3.5 M.
.SYNOPSIS AND FORECAST.
.COMPLEX LOW WITH MAIN CENTER 41N36W 1012 MB MOVING NE 10 KT.
FROM 33N TO 51N E OF 45N WINDS TO 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER JUST E OF AREA
NEAR 43N33W 1016 MB. WITHIN 300 NM SW SEMICIRCLE WINDS TO 25 KT.
SEAS TO 2.5 M.
.48 HOUR FORECAST LOW E OF AREA NEAR 41N32W 1021 MB. CONDITIONS
DIMINISHED.
.LOW 35N52W 1013 MB MOVING NE 15 KT. WITHIN 240 NM OF LOW CENTER
WINDS TO 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 39N46W 1015 MB. WITHIN 240 NM E AND 360 NM
S QUADRANTS WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW NEAR 41N41W 1018 MB. CONDITIONS
DIMINISHED.
.24 HOUR FORECAST LOW 49N54W 998 MB. WITHIN 240 NM SE OF A FRONT
FROM 54N48W TO 45N50W TO 38N60W WINDS 20 TO 30 KT. SEAS 3 TO 4.5
M. ELSEWHERE WITHIN 240 NM EITHER SIDE OF A LINE FROM 50N47W TO
43N50W TO 37N60W TO 37N71W WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY GALE WARNING IN
WARNINGS SECTION ABOVE.
.48 HOUR FORECAST NEW LOW NEAR 47N56W 1005 MB. WITHIN 660 NM SE
AND 720 NM SW QUADRANTS WINDS TO 25 KT. SEAS TO 3 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 41N TO 51N E OF
39W...FROM 46N TO 60N BETWEEN 52W AND 63W...WITHIN 180 NM OF
58N51W.
.24 HOUR FORECAST DENSE FOG FROM 52N TO 60N W OF 35W...FROM 42N
TO 50N BETWEEN 46W AND 56W...AND N OF 60N W OF 57W.
.48 HOUR FORECAST DENSE FOG N OF 59N E OF 44W...AND WITHIN 270 NM
EITHER SIDE OF A LINE FROM 43N50W TO 54N47W TO 63N61W.
.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 WED JUL 15.
24 HOUR FORECAST VALID 1800 UTC THU JUL 16.
48 HOUR FORECAST VALID 1800 UTC FRI JUL 17.
.WARNINGS.
...CARIBBEAN GALE WARNING...
.CARIBBEAN WITHIN 17N73W TO 18N78W TO 16N81W TO 10N79W TO 11N69W
TO 17N73W...INCLUDING THE GULF OF VENEZUELA... NE TO E WINDS 20
TO 30 KT. SEAS 2.5 TO 3.5 M.
.06 HOUR FORECAST WITHIN 12N74W TO 12N75W TO 11N75W TO 11N74W TO
12N74W NE TO E WINDS 30 TO 40 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE
WITHIN 17N73W TO 18N78W TO 16N82W TO 11N81W TO 09N78W TO 12N68W
TO 17N73W...INCLUDING THE GULF OF VENEZUELA... NE TO E WINDS 20
TO 30 KT. SEAS 2.5 TO 3.0 M.
.18 HOUR FORECAST LITTLE CHANGE...EXCEPT WINDS BELOW GALE FORCE.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST WITHIN 12N73W TO 12N75W TO 11N75W TO 11N74W TO
11N73W TO 12N73W NE TO E WINDS 30 TO 40 KT. SEAS 2.5 TO 3.5 M.
ELSEWHERE WITHIN 16N69W TO 17N79W TO 15N82W TO 10N82W TO 12N66W
TO 16N69W...INCLUDING THE GULF OF VENEZUELA... NE TO E WINDS 20
TO 30 KT. SEAS 2.5 TO 3.0 M.
.42 HOUR FORECAST LITTLE CHANGE...EXCEPT WINDS BELOW GALE FORCE.
.48 HOUR FORECAST LITTLE CHANGE.
.SYNOPSIS AND FORECAST.
.ATLC AND CARIBBEAN WITHIN 21N71W TO 21N72W TO 20N73W TO 20N72W
TO 20N70W TO 21N71W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5
M.
.24 HOUR FORECAST WITHIN 20.5N71W TO 20.5N72.5W TO 20.5N74W TO
20N74W TO 20N70.5W TO 20.5N71W NE TO E WINDS 20 TO 25 KT. SEAS
LESS THAN 2.5 M.
.48 HOUR FORECAST WITHIN 20.5N71W TO 20.5N72.5W TO 20.5N74W TO
20N74W TO 20N70.5W TO 20.5N71W NE TO E WINDS 20 TO 25 KT. SEAS
LESS THAN 2.5 M.
.CARIBBEAN WITHIN 17N86W TO 18N87W TO 17N88W TO 16N89W TO 16N86W
TO 17N86W...INCLUDING THE GULF OF HONDURAS... E WINDS 20 TO 25
KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 17N85W TO 17N87W TO 16N87W TO 16N85W TO
17N85W...INCLUDING THE GULF OF HONDURAS... E WINDS 20 TO 25 KT.
SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.GULF OF AMERICA 03 HOUR FORECAST WITHIN 23N88W TO 23N90W TO
22N90W TO 21N90W TO 22N88W TO 23N88W NE TO E WINDS 20 TO 25 KT.
SEAS LESS THAN 2.5 M.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.27 HOUR FORECAST WITHIN 23N88W TO 23N90W TO 22N90W TO 21N90W TO
22N88W TO 23N88W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5
M.
.42 HOUR FORECAST CONDITIONS IMPROVE. 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 AL. NATIONAL HURRICANE CENTER.
$$