HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC FRI JUL 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC JUL 17.
24 HOUR FORECAST VALID 1200 UTC JUL 18.
48 HOUR FORECAST VALID 1200 UTC JUL 19.
.WARNINGS.
...GALE WARNING...
.LOW 56N61W 993 MB MOVING N 10 KT THEN TURNING NW AFTER 24
HOURS. FROM 57N TO 64N BETWEEN 43W AND 55W WINDS 25 TO 40 KT.
SEAS 3 TO 4.5 M. ELSEWHERE FROM 45N TO 64N BETWEEN 42W AND 56W
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST LOW 59N61W 996 MB. FROM 59N TO 63N BETWEEN 43W
AND 55W WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M.
.48 HOUR FORECAST LOW 59N59W 1002 MB. FROM 59N TO 62N BETWEEN
43W AND 52W AREA OF SE WINDS 20 TO 30 KT. SEAS TO 2.5 M.
...GALE WARNING...
.48 HOUR FORECAST LOW INLAND 49N66W 993 MB. WITHIN 300 NM E
QUADRANT WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE W OF A
LINE FROM 48N58W TO 40N60W TO 33N65W WINDS 20 TO 30 KT. SEAS TO
2.5 M.
.SYNOPSIS AND FORECAST.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 43N TO 51N
BETWEEN 43W AND 52W...W OF A LINE FROM 53N44W TO 60N50W TO
63N55W...AND FROM 56N TO 61N BETWEEN 35W AND 40W.
.24 HOUR FORECAST DENSE FOG FROM 50N TO 61N BETWEEN 39W AND
47W...AND W OF A LINE FROM 60N58W TO 64N56W.
.48 HOUR FORECAST DENSE FOG N OF 50N E OF 42W...AND N OF A LINE
FROM 63N64W TO TO 60N50W.
.FORECASTER ROWLAND. 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 1200 UTC FRI JUL 17.
24 HOUR FORECAST VALID 1200 UTC SAT JUL 18.
48 HOUR FORECAST VALID 1200 UTC SUN JUL 19.
.WARNINGS.
...CARIBBEAN GALE WARNING...
.CARIBBEAN WITHIN 14N76W TO 14N77W TO 12N79W TO 11N78W TO 11N76W
TO 11N74W TO 14N76W NE TO E WINDS 25 TO 30 KT. SEAS 3.5 TO 4.5
M. ELSEWHERE...WITHIN 17N73W TO 17N77W TO 15N82W TO 11N83W TO
09N77W TO 13N69W TO 17N73W...INCLUDING WITHIN 60 NM OF COAST OF
NICARAGUA...NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.12 HOUR FORECAST WITHIN 12N75W TO 13N78W TO 12N79W TO 11N79W TO
11N78W TO 11N75W TO 12N75W NE TO E WINDS 25 TO 35 KT. SEAS 3.5
TO 4.5 M. ELSEWHERE...WITHIN 16N72W TO 17N75W TO 15N82W TO 11N83W
TO 09N77W 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 3.5 M.
.24 HOUR FORECAST WITHIN 13N75W TO 13N78W TO 11N78W TO 10N77W TO
11N75W TO 12N75W TO 13N75W NE TO E WINDS 25 TO 30 KT. SEAS 3.5
TO 4.5 M. ELSEWHERE...WITHIN 17N73W TO 17N77W TO 15N82W TO 11N83W
TO 10N77W TO 13N69W TO 17N73W NE TO E WINDS 20 TO 30 KT. SEAS
2.5 TO 3.5 M.
.36 HOUR FORECAST WITHIN 12N74W TO 12N75W TO 12N76W TO 11N76W TO
11N75W TO 11N74W TO 12N74W NE TO E WINDS 30 TO 40 KT. SEAS 3.5
TO 4.5 M. ELSEWHERE...WITHIN 16N71W TO 17N77W TO 15N81W TO 11N82W
TO 10N77W TO 13N69W TO 16N71W...INCLUDING THE GULF OF
VENEZUELA...NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST WITHIN 12N75W TO 12N76W TO 12N77W TO 11N77W TO
11N76W TO 12N75W NE TO E WINDS 25 TO 30 KT. SEAS 3.5 TO 4.5 M.
ELSEWHERE...WITHIN 13N68W TO 17N73W TO 16N79W TO 11N83W TO 10N77W
TO 13N68W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20
TO 30 KT. SEAS 2.5 TO 3.5 M.
.SYNOPSIS AND FORECAST.
.ATLC 12 HOUR FORECAST WITHIN 14N58W TO 14N60W TO 13N59W TO
12N60W TO 11N56W TO 12N56W TO 14N58W...INCLUDING ATLANTIC
EXPOSURES...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E
SWELL.
.24 HOUR FORECAST WITHIN 14N57W TO 14N61W TO 12N61W TO 11N60W TO
11N56W TO 12N55W TO 14N57W...INCLUDING ATLANTIC
EXPOSURES...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E SWELL.
.42 HOUR FORECAST CONDITIONS IMPROVE.
.ATLC AND CARIBBEAN 06 HOUR FORECAST WITHIN 21N71W TO 21N72W TO
21N74W TO 20N74W TO 20N73W TO 20N71W TO 21N71W NE TO E WINDS 20
TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST CONDITIONS IMPROVE.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
$$
.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.