HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC SUN MAY 31 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 31.
24 HOUR FORECAST VALID 0600 UTC JUN 01.
48 HOUR FORECAST VALID 0600 UTC JUN 02.
.WARNINGS.
...STORM WARNING...
.LOW 40N65W 997 MB MOVING NE 20 KT. WITHIN 180 NM SW AND 120 NM
NW QUADRANTS WINDS 35 TO 50 KT. SEAS 3 TO 5.5 M. ELSEWHERE FROM
32N TO 43N W OF 57W WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M.
.24 HOUR FORECAST LOW 43N56W 991 MB. S OF 48N BETWEEN 40W AND 65W
AND WITHIN 180 NM SE OF FRONT FROM 40N41W TO 31N60W WINDS 25 TO
35 KT. SEAS 2.5 TO 5 M. ELSEWHERE S OF 46N BETWEEN 65W AND 71W
WINDS LESS THAN 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 50N40W 993 MB. WITHIN 480 NM S QUADRANT
WINDS 30 TO 45 KT. SEAS 3.5 TO 7.5 M. ELSEWHERE FROM 37N TO 54N E
OF 53W WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M. ALSO S OF 50N E OF 58W
WINDS LESS THAN 25 KT. SEAS TO 4 M.
...GALE WARNING...
.COMPLEX LOW WITH FIRST CENTER 46N41W 998 MB MOVING NE 35 KT AND
SECOND CENTER 49N41W 994 MB MOVING NE 30 KT. FROM 37N TO 56N E
OF 51W WINDS 25 TO 40 KT. SEAS 3.5 TO 7 M. ELSEWHERE S OF 56N E
OF 57W WINDS LESS THAN 25 KT. SEAS TO 4 M.
.24 HOUR FORECAST COMBINED LOW WELL E OF AREA. EXCEPT WHERE
DESCRIBED ABOVE...FROM 32N TO 58N E OF 46W WINDS LESS THAN 25 KT.
SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST CONDITIONS MOVED WELL E OF AREA.
.SYNOPSIS AND FORECAST.
.N OF 56N E OF 48W AREA OF NE TO N WINDS 20 TO 30 KT. SEAS TO 4
M.
.24 HOUR FORECAST N OF 57N E OF 45W AREA OF NE TO N WINDS TO 25
KT. SEAS TO 3.5 M.
.48 HOUR FORECAST FROM 58N TO 61N BETWEEN 41W AND 50W WINDS TO 25
KT. SEAS TO 2.5 M.
.48 HOUR FORECAST NEW LOW 31N75W 1007 MB. WITHIN 180 NM E
SEMICIRCLE WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST WITHIN 120 NM EITHER SIDE OF A LINE FROM 36N74W
TO 40N58W WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 55N TO 61N
BETWEEN 41W AND 47W.
.24 HOUR FORECAST DENSE FOG FROM WITHIN 60 NM OF 63N38W AND FROM
42N TO 48N BETWEEN 45W AND 61W.
.48 HOUR FORECAST DENSE FOG FROM 65N TO 67N BETWEEN GREENLAND
COAST AND 56W...WITHIN 90 NM W OF A LINE FROM 53N54W TO
49N49W...FROM 45N TO 49N BETWEEN 42W AND 45W...AND FROM 51N TO
53N E OF 39W.
.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 0600 UTC SUN MAY 31.
24 HOUR FORECAST VALID 0600 UTC MON JUN 1.
48 HOUR FORECAST VALID 0600 UTC TUE JUN 2.
.WARNINGS.
...ATLC GALE WARNING...
.ATLC LOW PRES NEAR 30N70W 1010 MB. WITHIN 31N51W TO 31N65W TO
30N73W TO 28N73W TO 28N66W TO 30N61W TO 31N51W SW WINDS 25 TO 35
KT. SEAS 2.5 TO 3.0 M.
.06 HOUR FORECAST COLD FRONT FROM 31N65W TO LOW PRES NEAR 30N67W
TO 28N77W. WITHIN 30N65W TO 30N66.5W TO 29.5N67W TO 29N66.5W TO
29N65W TO 29.5N65W TO 30N65W SW WINDS 25 TO 35 KT. SEAS 2.5 TO
3.0 M. ELSEWHERE WITHIN 31N55W TO 31N64W TO 30N68W TO 27N69W TO
27N64W TO 29N58W TO 31N55W SW WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0
M.
.18 HOUR FORECAST LOW PRES DISSIPATED. COLD FRONT FROM 31N59W TO
27N70W TO 25N75W. W TO WITHIN 31N52W TO 31N61W TO 27N66W TO
27N64W TO 28N59W TO 31N52W SW WINDS 25 TO 35 KT. SEAS 2.5 TO 3.0
M. ELSEWHERE WITHIN 31N61W TO 31N64W TO 30N66W TO 29N66W TO
28N66W TO 31N61W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN SW
SWELL.
.24 HOUR FORECAST LITTLE CHANGE EXCEPT WINDS LESS THAN
GALE FORCE.
.48 HOUR FORECAST STATIONARY FRONT FROM 31N59W TO 29N65W TO LOW
PRES NEAR 31N75W 1011 MB. WITHIN 31N51W TO 31N60W TO 29N61W TO
29N59W TO 30N54W TO 31N51W S TO SW WINDS 20 TO 25 KT. SEAS 2.5 TO
3.0 M IN W SWELL.
.SYNOPSIS AND FORECAST.
.ATLC WITHIN 23N35W TO 19N38W TO 16N38W TO 14N35W TO 23N35W NE
TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN NE TO E SWELL.
.24 HOUR FORECAST WITHIN 24N35W TO 20N46W TO 16N47W TO 15N44W TO
15N35W TO 24N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E
SWELL.
.48 HOUR FORECAST WITHIN 23N35W TO 28N35W TO 27N40W TO 20N51W TO
16N52W TO 17N45W TO 23N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0
M IN E SWELL.
.ATLC 36 HOUR FORECAST WITHIN 31N74W TO 31N76W TO 30N76W TO
30N75W TO 30N74W TO 31N74W S TO SW WINDS 20 TO 25 KT. SEAS 2.5
TO 3.0 M IN N TO NE SWELL.
.48 HOUR FORECAST WITHIN 31N70W TO 31N75W TO 30N73W TO 29N72W TO
30N70W TO 31N70W S TO SW WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN
NE TO E SWELL.
.CARIBBEAN WITHIN 13N71W TO 14N73W TO 13N76W TO 11N76W TO 11N72W
TO 12N70W TO 13N71W E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WITHIN 15N69W TO 16N76W TO 11N76W TO 12N72W TO
11N72W TO 12N66W TO 15N69W E WINDS 20 TO 25 KT. SEAS TO 2.5 M.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.
$$