HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC SAT MAY 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC MAY 23.
24 HOUR FORECAST VALID 1800 UTC MAY 24.
48 HOUR FORECAST VALID 1800 UTC MAY 25.
.WARNINGS.
...GALE WARNING...
.LOW 57N38W 990 MB MOVING NE 10 KT. N OF 41N E OF 61W WINDS 25 TO
40 KT. SEAS 2.5 TO 7 M...HIGHEST NEAR 58N43W.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER E OF AREA NEAR
58N30W 998 MB. N OF 43N E OF 44W WINDS 20 TO 30 KT. SEAS TO 4 M.
.48 HOUR FORECAST COMPLEX LOW AND ASSOCIATED CONDITIONS E OF
AREA.
...GALE WARNING...
.LOW 36N75W 1021 MB MOVING N 05 KT. FROM 36N TO 40N W OF 64W AREA
OF NE TO E WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.06 HOUR FORECAST LOW 37N75W 1020 MB. WITHIN 240 NM N AND NE OF A
LINE FROM 38N75W TO 35N65W AREA OF E WINDS 25 TO 35 KT. SEAS TO 4
M.
.24 HOUR FORECAST LOW 39N74W 1021 MB. WITHIN 240 NM NE OF A LINE
FROM 40N74W TO 35N67W AREA OF E TO SE WINDS 20 TO 30 KT. SEAS TO
3.5 M.
.48 HOUR FORECAST LOW 44N68W 1016 MB. FROM 36N TO 45N W OF 60W
WINDS 20 TO 30 KT. SEAS TO 3.5 M.
...GALE WARNING...
.24 HOUR FORECAST N OF 56N BETWEEN 48W AND 58W AREA OF N TO NW
WINDS 25 TO 35 KT. SEAS TO 4 M. ELSEWHERE N OF 42N BETWEEN 44W
AND 60W WINDS TO 25 KT. SEAS TO 4 M.
.48 HOUR FORECAST N OF 56N E OF 54W WINDS TO 25 KT. SEAS TO 3 M.
.SYNOPSIS AND FORECAST.
.24 HOUR FORECAST LOW 39N36W 1018 MB. S OF 42N BETWEEN 35W AND
62W WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW E OF AREA NEAR 42N30W 1019 MB. S OF 48N E
OF 53W WINDS TO 25 KT. SEAS TO 3.5 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 180 NM NW OF
A LINE FROM 45N48W TO 54N35W...FROM 53N TO 58N BETWEEN 43W AND
46W...AND WITHIN 60 NM OF 60N42W.
.24 HOUR FORECAST DENSE FOG FROM 37N TO 41N W OF 69W AND WITHIN
60 NM OF 64N36W.
.48 HOUR FORECAST DENSE FOG NW OF A LINE FROM 38N73W TO 42N62W.
.24 HOUR FORECAST LIGHT FREEZING SPRAY W OF A LINE FROM 62N60W TO
67N55W.
.48 HOUR FORECAST CONDITIONS IMPROVED.
.FORECASTER JOSEPH. 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 1800 UTC SAT MAY 23.
24 HOUR FORECAST VALID 1800 UTC SUN MAY 24.
48 HOUR FORECAST VALID 1800 UTC MON MAY 25.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC 24 HOUR FORECAST COLD FRONT NEAR 31N BETWEEN 49W AND 60W.
WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.30 HOUR FORECAST COLD FRONT FROM 31N46W TO 29N60W. WITHIN
31N46W TO 31N59W TO 29N56W TO 30N51W TO 31N46W NE WINDS 20 TO 25
KT. SEAS 2.5 TO 3 M.
.48 HOUR FORECAST COLD FRONT FROM 31N39W TO 27N49W TO 27N60W.
WITHIN 31N39W TO 30N50W TO 30N60W TO 27N59W TO 28N50W TO 31N39W
NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M.
.ATLC AND CARIBBEAN 06 HOUR FORECAST WITHIN 21N70W TO 21N72W TO
20N74W TO 20N71W TO 20N70W TO 21N70W E WINDS 20 TO 25 KT. SEAS
TO 2.5 M NEAR 20N72W.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST WITHIN 22N71W TO 22N72W TO 20N74W TO 20N73W TO
20N72W TO 20N71W TO 22N71W E WINDS 20 TO 25 KT. SEAS TO 2.5 M
NEAR 20N72W.
.48 HOUR FORECAST LITTLE CHANGE.
.CARIBBEAN WITHIN 13N70W TO 13.5N74W TO 11N77W TO 12N73W TO
11N70W TO 13N70W E WINDS 20 TO 25 KT...EXCEPT 25 TO 30 KT IN
THE GULF OF VENEZUELA. SEAS 2.5 TO 3 M S OF 13N W OF 73W.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WITHIN 18N70W TO 17N74W TO 15N78W TO 12N79W TO
10N76W TO 12N69W TO 18N70W...INCLUDING THE GULF OF VENEZUELA...
NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M OUTSIDE THE GULF OF
VENEZUELA.
.CARIBBEAN 06 HOUR FORECAST WITHIN 18N86W TO 17N86W TO 17N87W TO
16N87W TO 16N85W TO 18N86W E WINDS 20 TO 25 KT. SEAS LESS THAN
2.5 M.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST WITHIN 17N85W TO 17N87W TO 16N87W TO 16N85W TO
17N85W E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.42 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.GULF OF AMERICA 06 HOUR FORECAST WITHIN 22N87W TO 23N88W TO
22N91W TO 21N92W TO 20N91W TO 21N89W TO 22N87W...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 WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.30 HOUR FORECAST WITHIN 23N87W TO 23N88W TO 23N89W TO 22N90W TO
21N89W TO 21N87W TO 23N87W NE TO E WINDS 20 TO 25 KT. SEAS LESS
THAN 2.5 M.
.42 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 AGUIRRE. NATIONAL HURRICANE CENTER.
$$