HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC THU JUL 16 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 JUL 16.
24 HOUR FORECAST VALID 0600 UTC JUL 17.
48 HOUR FORECAST VALID 0600 UTC JUL 18.
.WARNINGS.
...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 56N58W 988 MB NEARLY STATIONARY
WILL DRIFT N AFTER 12 HOURS. WITHIN 480 NM NE...BETWEEN 120 NM
AND 420 NM N AND NW QUADRANTS...AND WITHIN 240 NM E AND NE OF
A LINE FROM 38N64W TO 46N53W TO 52N52W TO 56N55W WINDS 25 TO 35
KT. SEAS 3 TO 5 M. ELSEWHERE WITHIN 540 NM NE SEMICIRCLE...
WITHIN 420 NM E AND NE OF A LINE FROM 37N67W TO 46N54W TO
53N53W...AND OVER THE GULF OF SAINT LAWRENCE N OF 46N W OF 58W
WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 56N59W 992 MB.
FROM 59N TO 62N BETWEEN 44W AND 53W WINDS 25 TO 40 KT. SEAS
3 TO 5.5 M. ELSEWHERE N OF 36N W OF 40W...EXCEPT N OF 60N E
OF GREENLAND...AND N OF 64N BETWEEN THE W COAST OF GREENLAND
AND 57W...WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 57N59W
998 MB. FROM 59N TO 62N BETWEEN 43W AND 53W WINDS 25 TO 40 KT.
SEAS 3 TO 5 M. ELSEWHERE WITHIN 360 NM N AND NE OF A LINE FROM
46N40W TO 56N48W TO 61N59W TO 60N66W WINDS 20 TO 30 KT. SEAS
2.5 TO 4 M.
.SYNOPSIS AND FORECAST.
.LOW 51N40W 1014 MB MOVING N 15 KT. WITHIN 240 NM NE
SEMICIRCLE WINDS TO 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY COMPLEX LOW
WITH MAIN CENTER 56N59W IN WARNINGS SECTION ABOVE.
.LOW JUST E OF AREA 42N34W 1013 MB MOVING NE 15 KT. WITHIN
240 NM SW QUADRANT WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS MOVED E OF AREA.
.LOW 37N49W 1011 MB MOVING NE 15 KT. N OF 31N...WITHIN 180 NM
NE...AND 300 NM S AND SE QUADRANTS WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW 41N43W 1015 MB WITH CONDITIONS DESCRIBED
WITH COMPLEX LOW WITH MAIN CENTER 56N59W IN WARNINGS SECTION
ABOVE.
.48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY COMPLEX LOW
WITH MAIN CENTER 57N59W DESCRIBED IN WARNINGS SECTION ABOVE.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 43N TO 63N
BETWEEN 48W AND 65W...AND FROM 50N TO 55N BETWEEN 37W AND 42W.
.24 HOUR FORECAST DENSE FOG N OF 66N W OF 58W...FROM 53N TO
64N W OF 36W...AND FROM 43N TO 53N BETWEEN 43W AND 51W.
.48 HOUR FORECAST DENSE FOG N OF 64N E OF 37W...FROM 57N TO
66N W OF 39W...AND FROM 45N TO 57N BETWEEN 38W AND 59W.
.FORECASTER MILLS. OCEAN PREDICTION CENTER.
NATIONAL HURRICANE CENTER MIAMI FL
ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF AMERICA
SYNOPSIS VALID 0600 UTC THU JUL 16.
24 HOUR FORECAST VALID 0600 UTC FRI JUL 17.
48 HOUR FORECAST VALID 0600 UTC SAT JUL 18.
.WARNINGS.
...CARIBBEAN GALE WARNING...
.WITHIN 12N74W TO 12N75W TO 12N76W TO 11N76W TO 11N75W
TO 12N74W NE TO E WINDS 30 TO 35 KT. SEAS 2.5 TO 4.0 M.
ELSEWHERE WITHIN 16N72W TO 16N82W TO 12N83W TO 09N78W TO
12N76W TO 12N69W TO 16N72W...INCLUDING WITHIN 60 NM OF COAST
OF NICARAGUA AND THE GULF OF VENEZUELA...NE TO E WINDS 20 TO
30 KT. SEAS 2.5 TO 4.0 M.
.06 HOUR FORECAST WITHIN 18N73W TO 16N82W TO 11N83W TO 09N78W TO
12N69W TO 18N73W...INCLUDING WITHIN 60 NM OF COAST OF NICARAGUA
AND THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 30 KT. SEAS 2.5
TO 3.0 M.
.18 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 18N72W TO 16N82W TO 11N83W TO 09N76W TO 11N74W
TO 11N66W TO 18N72W...INCLUDING WITHIN 60 NM OF COAST OF
NICARAGUA AND THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 30
KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST WITHIN 18N71W TO 16N80W TO 11N84W TO 09N76W TO
12N67W TO 18N71W...INCLUDING WITHIN 60 NM OF COAST OF NICARAGUA
AND THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 30 KT. SEAS
2.5 TO 3.5 M.
.42 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 18N72W TO 16N82W TO 11N83W TO 09N78W TO 12N75W
TO 11N67W TO 18N72W...INCLUDING WITHIN 60 NM OF COAST OF
NICARAGUA AND THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 30
KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST LITTLE CHANGE.
.SYNOPSIS AND FORECAST.
.ATLC AND CARIBBEAN 18 HOUR FORECAST WITHIN 20.5N71W TO
20.5N72.5W TO 20.5N74W TO 19.5N74W TO 20N72.5W TO 20N70.5W TO
20.5N71W E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST CONDITIONS IMPROVE. E WINDS 20 TO 25 KT. SEAS
LESS THAN 2.5 M.
.36 HOUR FORECAST WITHIN 20.5N71W TO 20.5N72.5W TO 20.5N74W TO
19.5N74W TO 20N72.5W TO 20N70.5W TO 20.5N71W NE TO 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.
.CARIBBEAN 18 HOUR FORECAST WITHIN 17N86W TO 18N87W TO 17N88W TO
16N89W TO 16N86W TO 17N86W...INCLUDING THE GULF OF HONDURAS...
NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.GULF OF AMERICA 18 HOUR FORECAST WITHIN 22N88W TO 23N88W TO
22N90W TO 21N92W TO 20N92W TO 21N90W TO 22N88W...INCLUDING
WITHIN 60 NM OF COAST OF CAMPECHE...NE TO E WINDS 20 TO 25 KT.
SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.42 HOUR FORECAST WITHIN 22N88W TO 23N88W TO 22N90W TO 21N92W TO
20N92W TO 21N90W TO 22N88W...INCLUDING WITHIN 60 NM OF COAST OF
CAMPECHE...NE TO 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.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
$$
.FORECASTER ERA. NATIONAL HURRICANE CENTER.