HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC SUN MAY 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC MAY 17.
24 HOUR FORECAST VALID 0600 UTC MAY 18.
48 HOUR FORECAST VALID 0600 UTC MAY 19.
.WARNINGS.
...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER NEAR 51N48W 987 MB MOVING NE 25 KT.
FROM 39N TO 50N E OF 54W...AND WITHIN 90 NM W AND NW OF A LINE
FROM 51N50W TO 54N42W TO 53N35W WINDS 25 TO 40 KT. SEAS 3 TO 6
M...HIGHEST NEAR 43N45W. ELSEWHERE FROM 37N TO 56N E OF 58W WINDS
TO 25 KT. SEAS 2.5 TO 4 M...HIGHEST S OF CENTER.
.24 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER JUST E OF AREA
NEAR 54N34W 983 MB. FROM 41N TO 59N E OF 42W...EXCEPT WITHIN 180
NM OF CENTER...WINDS 25 TO 40 KT. SEAS 3 TO 7 M...HIGHEST NEAR
47N35W. ELSEWHERE FROM 37N TO 61N E OF 47W WINDS TO 25 KT. SEAS
2.5 TO 5 M.
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER E OF AREA NEAR
54N25W 991 MB. FROM 50N TO 62N E OF 48W WINDS 20 TO 30 KT. SEAS
TO 4 M.
...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER NEAR 58N70W 987 MB MOVING NE 10
KT. FROM 38N TO 48N W OF 59W WINDS TO 25 KT. SEAS TO 2.5 M.
.12 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER INLAND NEAR 59N69W
991 MB. FROM 47N TO 51N W OF 60W WINDS 25 TO 35 KT. SEAS TO 2.5
M.
.24 HOUR FORECAST LOW 60N64W 1003 MB. FROM 38N TO 62N BETWEEN 54W
AND 67W WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 61N62W 1000 MB. FROM 56N TO 64N W OF 52W
WINDS TO 25 KT. SEAS TO 2.5 M.
...GALE WARNING...
.24 HOUR FORECAST NEW LOW 51N52W 997 MB. FROM 38N TO 52N BETWEEN
47W AND 54W WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.42 HOUR FORECAST LOW 45N40W 1000 MB. FROM 36N TO 50N E OF 58W
WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST LOW 43N38W 992 MB. FROM 35N TO 47N E OF 55W
WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M. ELSEWHERE FROM 34N TO 50N E
OF 56W WINDS TO 25 KT. SEAS TO 4 M.
.SYNOPSIS AND FORECAST.
.LOW 62N37W 997 MB AND NEARLY STATIONARY. N OF 63N E OF GREENLAND
WINDS TO 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 48N TO 53N
BETWEEN 47W AND 52W...AND FROM 48N TO 55N E OF 44W.
.24 HOUR FORECAST DENSE FOG FROM 40N TO 52N BETWEEN 45W AND 56W.
.48 HOUR FORECAST DENSE FOG FROM 39N TO 42N BETWEEN 68W AND
71W...AND FROM 56N TO 63N W OF 54W.
.FORECASTER POCHE. 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 0600 UTC SUN MAY 17.
24 HOUR FORECAST VALID 0600 UTC MON MAY 18.
48 HOUR FORECAST VALID 0600 UTC TUE MAY 19.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC WITHIN 19N35W TO 21N47W TO 20N57W TO 10N60W TO 06N53W TO
07N35W TO 19N35W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT OR
LESS. SEAS 2.5 TO 3.0 M IN NE TO E SWELL.
.24 HOUR FORECAST WITHIN 17N41W TO 20N43W TO 20N55W TO 18N61W TO
08N56W TO 07N43W TO 17N41W...INCLUDING IN ATLANTIC EXPOSURES AND
PASSAGES...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E
SWELL.
.48 HOUR FORECAST WITHIN 13N51W TO 17N57W TO 11N53W TO 09N56W TO
07N47W TO 10N43W TO 13N51W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0
M IN NE TO E SWELL.
.CARIBBEAN WITHIN 14N72W TO 16N77W TO 15N81W TO 11N81W TO 10N77W
TO 12N70W TO 14N72W...INCLUDING THE GULF OF VENEZUELA...NE TO E
WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST WITHIN 14N71W TO 16N74W TO 16N77W TO 12N80W TO
12N74W TO 11N70W TO 14N71W...INCLUDING THE GULF OF
VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST WITHIN 15N73W TO 16N77W TO 13N82W TO 12N80W TO
11N76W TO 11N70W TO 15N73W...INCLUDING THE GULF OF VENEZUELA...
NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.CARIBBEAN WITHIN 17N87W TO 16N87W TO 16N86W TO
17N87W...INCLUDING THE GULF OF HONDURAS...E WINDS 20 TO 25 KT.
SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 18N87W TO 17N88W TO 16N88W TO 16N86W TO
18N87W...INCLUDING THE GULF OF HONDURAS...E WINDS 20 TO 25 KT.
SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST LITTLE CHANGE.
.GULF OF AMERICA 12 HOUR FORECAST WITHIN 23N89W TO 24N93W TO
23N91W TO 22N93W TO 21N93W TO 22N91W TO 23N89W E TO SE WINDS 20
TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST CONDITIONS IMPROVE.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.
$$