HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC FRI AUG 14 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 AUG 14.
24 HOUR FORECAST VALID 1200 UTC AUG 15.
48 HOUR FORECAST VALID 1200 UTC AUG 16.
.WARNINGS.
...GALE WARNING...
.LOW 57N48W 1004 MB MOVING NE 10 KT. WITHIN 240 NM NE QUADRANT
WINDS 25 TO 40 KT. SEAS 3 TO 4.5 M. ELSEWHERE WITHIN 180 NM E AND
NE OF A LINE FROM 67N58W TO THE LOW TO 56N35W WINDS 20 TO 30 KT.
SEAS TO 3 M. ALSO FROM 51N TO 55N BETWEEN 40W AND 53W WINDS TO 25
KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW 58N41W 1006 MB. WITHIN 180 NM NW QUADRANT
WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW 61N37W 1006 MB. WINDS LESS THAN 25 KT. SEAS
LESS THAN 2.5 M.
.SYNOPSIS AND FORECAST.
.WITHIN 360 NM S OF A LINE FROM 42N49W TO 37N65W WINDS TO 25 KT.
SEAS TO 2.5 M.
.24 HOUR FORECAST LOW 50N52W 1006 MB. WITHIN 300 NM E OF A LINE
FROM 46N43W TO 33N56W WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW DISSIPATED WITH NEW LOW 53N37W 1005 MB.
SEAS TO 3 M.
.24 HOUR FORECAST LOW 63N62W 1002 MB. WITHIN 180 NM S QUADRANT
AND 120 NM OF THE W GREENLAND COAST BETWEEN 66N AND 61N WINDS TO
25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST LOW 64N60W 1005 MB. WITHIN 240 NM E AND SE
SEMICIRCLES WINDS TO 25 KT. SEAS LESS THAN 2.5 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 40N TO 44N
BETWEEN 65W AND 68W AND WITHIN 120 NM EITHER SIDE OF A LINE FROM
64N56W TO 57N48W TO 52N35W.
.24 HOUR FORECAST DENSE FOG FROM 44N TO 52N BETWEEN 43W AND 56W
AND NW OF A LINE FROM 60N62W TO 67N57W.
.48 HOUR FORECAST DENSE FOG FROM 50N TO 56N BETWEEN 35W AND 44W.
.FORECASTER COLLINS. 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 1200 UTC FRI AUG 14.
24 HOUR FORECAST VALID 1200 UTC SAT AUG 15.
48 HOUR FORECAST VALID 1200 UTC SUN AUG 16.
.WARNINGS.
...CARIBBEAN GALE WARNING...
.CARIBBEAN FROM 11N TO 18N E OF 80W...INCLUDING THE GULF OF
VENEZUELA...NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M. FROM
10N
TO 11N E OF 78W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE
SWELL.
.12 HOUR FORECAST FROM 11N TO 13N BETWEEN 70W AND
76W...INCLUDING
THE GULF OF VENEZUELA...NE TO E WINDS 25 TO 35 KT. SEAS 3.0 TO
4.0
M. ELSEWHERE FROM 11N TO 18N E OF 81.5W NE TO E WINDS 20 TO 25
KT.
SEAS 2.5 TO 3.0 M. FROM 10N TO 11N E OF 80W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN NE SWELL.
.24 HOUR FORECAST FROM 11N TO 18N E OF 83W...INCLUDING THE GULF
OF
VENEZUELA...NE TO E WINDS 20 TO 30 KT. SEAS 4.0 TO 5.0 FROM 10N
TO
15N BETWEEN BETWEEN 74W AND 79W...AND 2.5 TO 4 M ELSEWHERE. S OF
11N
E OF 81W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN NE SWELL.
.36 HOUR FORECAST FROM 11N TO 13N BETWEEN 70W AND
76W...INCLUDING
THE GULF OF VENEZUELA...NE TO E WINDS 25 TO 35 KT. SEAS 3.0 TO
4.0
M. ELSEWHERE FROM 11N TO 18N BETWEEN 70W AND 83W NE TO E WINDS
20 TO
25 KT. SEAS 2.5 TO 4.0 M IN E SWELL. S OF 11N WINDS 20 KT OR
LESS.
SEAS 2.5 TO 3.5 M IN NE SWELL.
.48 HOUR FORECAST FROM 11N TO 17N BETWEEN 70W AND
83W...INCLUDING
THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO
3.5
M. S OF 11N WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN NE SWELL.
.SYNOPSIS AND FORECAST.
.ATLC AND CARIBBEAN TRPCL WAVE ALONG 52W. FROM 12N TO 20N
BETWEEN
46W AND 61W NE TO E WINDS 20 TO 30 KT...WITH HIGHER GUSTS. SEAS
2.5
TO 3.5 M.
.12 HOUR FORECAST TRPCL WAVE ALONG 57W. FROM 11N TO 20N BETWEEN
50W
AND 61W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES...NE TO E
WINDS 20 TO 30 KT...WITH HIGHER GUSTS. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST TRPCL WAVE ALONG 61W. FROM 11N TO 20N BETWEEN
55W
AND 61W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES...NE TO E
WINDS 20 TO 30 KT...WITH HIGHER GUSTS. SEAS 2.5 TO 4 M.
.36 HOUR FORECAST TRPCL WAVE ALONG 66W. FROM 10N TO 20N BETWEEN
57W
AND 61W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES...AND
FROM
13N TO 19N BETWEEN 61W AND 70W NE TO E WINDS 20 TO 30 KT...WITH
HIGHER GUSTS. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST TROPICAL WAVE ALONG 70W. N OF 11N E OF 70W E
TO SE
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.ATLC AND CARIBBEAN FROM 20N TO 22N BETWEEN 70W AND 74W E TO SE
WINDS 20 TO 25 KT. SEAS BUILDING TO 2.5 M.
.12 HOUR FORECAST FROM 20N TO 22N BETWEEN 70W AND
77W...INCLUDING
APPROACHES TO THE WINDWARD PASSAGE...E WINDS 20 TO 30 KT. SEAS
2.5
TO 3.0 M.
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST FROM 19N TO 22N BETWEEN 70W AND
77W...INCLUDING
THE WINDWARD PASSAGE...NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO
3.0 M.
.48 HOUR FORECAST LITTLE CHANGE.
.CARIBBEAN 36 HOUR FORECAST S OF 17N W OF 86W...INCLUDING THE
GULF
OF HONDURAS...NE TO E WINDS 20 TO 25 KT. SEAS BUILDING TO 2.5 M.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.GULF OF AMERICA 12 HOUR FORECAST FROM 20N TO 22N BETWEEN 89W
AND
92W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST 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 GR. NATIONAL HURRICANE CENTER.