HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC TUE MAY 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MAY 19.
24 HOUR FORECAST VALID 1200 UTC MAY 20.
48 HOUR FORECAST VALID 1200 UTC MAY 21.
.WARNINGS.
...GALE WARNING...
.LOW 44N36W 991 MB MOVING NE 20 KT. WITHIN 780 NM SW QUADRANT
WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M. ELSEWHERE WITHIN 660 NM NW
AND 960 NM SW QUADRANTS WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW E OF AREA NEAR 49N30W 984 MB. BETWEEN 420
NM AND 840 NM NW QUADRANT...WITHIN 540 NM SW QUADRANT...AND FROM
58N TO 61N BETWEEN 41W AND 46W WINDS 25 TO 40 KT. SEAS 2.5 TO 4
M. ELSEWHERE WITHIN 1020 NM W SEMICIRCLE WINDS TO 25 KT. SEAS TO
2.5 M.
.48 HOUR FORECAST LOW E OF AREA NEAR 54N28W 990 MB. WITHIN 660 NM
SW QUADRANT WINDS 20 TO 30 KT. SEAS TO 3 M.
...GALE WARNING...
.48 HOUR FORECAST LOW 54N54W 980 MB. WITHIN 480 NM S
SEMICIRCLE...AND BETWEEN 240 NM AND 600 NM NE QUADRANT WINDS 30
TO 45 KT. SEAS 3 TO 6 M. ELSEWHERE WITHIN 600 NM W
SEMICIRCLE...AND 780 NM NE...660 NM SE QUADRANTS WINDS 20 TO 30
KT. SEAS TO 3 M.
.SYNOPSIS AND FORECAST.
.LOW 54N37W 994 MB MOVING S 10 KT. WITHIN 480 NM W AND 300 NM E
SEMICIRCLES WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW E OF AREA
NEAR 49N30W DESCRIBED ABOVE.
.24 HOUR FORECAST LOW 44N56W 1010 MB. WITHIN 660 NM SE AND 960 NM
SW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW DISSIPATED. S OF A LINE FROM 39N35W TO
42N65W E OF 65W WINDS TO 25 KT. SEAS TO 3 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 40N TO 45N
BETWEEN 65W AND 70W AND N OF 50N W OF 51N AND FROM 53N TO 56N
BETWEEN 37W AND 40W.
.24 HOUR FORECAST DENSE FOG FROM 40N TO 45N BETWEEN 60W AND 70W
AND N OF 50N W OF 51N AND FROM 53N TO 56N BETWEEN 37W AND 40W.
.48 HOUR FORECAST DENSE FOG FROM 42N TO 46N BETWEEN 57W AND 66W
AND N OF 53N BETWEEN 46W AND 55W AND FROM 53N TO 56N BETWEEN 40W
TO 44W.
.FORECASTER HOLLEY. 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 TUE MAY 19.
24 HOUR FORECAST VALID 1200 UTC WED MAY 20.
48 HOUR FORECAST VALID 1200 UTC THU MAY 21.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC WITHIN 19N55W TO 18N61W TO 11N58W TO 06N53W TO 07N44W TO
10N43W TO 19N55W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES
AND ATLANTIC EXPOSURES... WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M
IN NE TO E SWELL.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.ATLC 24 HOUR FORECAST WITHIN 31N35W TO 31N46W TO 30N46W TO
30N41W TO 30N40W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0
M IN NW TO N SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.ATLC AND CARIBBEAN WITHIN 21N70W TO 21N74W TO 20N74W TO 20N70W
TO 21N70W 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.
.CARIBBEAN WITHIN 15N71W TO 17N79W TO 14N82W TO 11N82W TO 10N78W
TO 11N70W TO 15N71W...INCLUDING THE GULF OF VENEZUELA... E WINDS
20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST WITHIN 16N72W TO 15N79W TO 12N81W TO 10N79W TO
10N76W TO 13N70W TO 16N72W NE TO E WINDS 20 TO 25 KT. SEAS 2.5
TO 3.0 M.
.48 HOUR FORECAST WITHIN 15N69W TO 16N71W TO 15N77W TO 14N78W TO
11N77W TO 12N69W TO 15N69W...INCLUDING IN MONA PASSAGE AND THE
GULF OF VENEZUELA... E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.CARIBBEAN WITHIN 19N85W TO 19N86W TO 19N88W TO 16N89W TO 16N87W
TO 16N84W TO 19N85W...INCLUDING THE GULF OF HONDURAS... 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 WITHIN 21N90W TO 22N87W TO 23N92W TO 21N94W TO
18N94W TO 19N91W TO 21N90W...INCLUDING WITHIN 60 NM OF COAST OF
CAMPECHE... E TO SE 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.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.FORECASTER LANDSEA. NATIONAL HURRICANE CENTER.
$$