HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC SAT MAY 30 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 30.
24 HOUR FORECAST VALID 0600 UTC MAY 31.
48 HOUR FORECAST VALID 0600 UTC JUN 01.
.WARNINGS.
...GALE WARNING...
.LOW E OF AREA NEAR 61N26W 999 MB MOVING W 05 KT. WITHIN 360 NM
W AND N OF A LINE FROM 48N51W TO 55N35W...AND N OF 60N E OF
GREENLAND WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST LOW E OF AREA NEAR 62N29W 1001 MB. E OF A LINE
FROM 57N48W TO 66N39W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.42 HOUR FORECAST LOW E OF AREA NEAR 64N34W 1006 MB. WITHIN 120
NM E OF GREENLAND WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST LOW 63N35W 1007 MB. N OF 60N E OF GREENLAND
WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 45N51W 988 MB MOVING NE 20 KT AND
SECOND CENTER 42N54W 994 MB MOVING NE 30 KT. FROM 31N TO 48N E
OF 63W WINDS 25 TO 40 KT. SEAS 2.5 TO 5.5 M.
.24 HOUR FORECAST COMBINED LOW 49N41W 996 MB. FROM 38N TO 57N E
OF 52W WINDS 25 TO 40 KT. SEAS 3 TO 7 M...HIGHEST IN S QUADRANT.
.48 HOUR FORECAST LOW E OF AREA NEAR 53N23W 1002 MB. FROM 41N TO
51N E OF 39W WINDS LESS THAN 25 KT. SEAS 2.5 TO 4 M.
...GALE WARNING...
.LOW 42N71W 1002 MB MOVING E 15 KT. WITHIN 240 NM SE SEMICIRCLE
WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.06 HOUR FORECAST LOW 42N70W 1001 MB. FROM 35N TO 45N W OF 66W
WINDS 25 TO 40 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 40N64W 998 MB. FROM 31N TO 43N W OF 55W
WINDS 25 TO 40 KT. SEAS 2.5 TO 5.5 M.
.48 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 45N55W 992 MB
AND SECOND CENTER 33N59W 1012 MB. FROM 31N TO 49N BETWEEN 39W
AND 62W WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M.
.SYNOPSIS AND FORECAST.
.48 HOUR FORECAST FROM 31N TO 34N W OF 76W WINDS TO 25 KT. SEAS
TO 2.5 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 45N TO 50N
BETWEEN 54W AND 43W.
.24 HOUR FORECAST DENSE FOG FROM 46N TO 50N BETWEEN 50W AND 42W.
.48 HOUR FORECAST DENSE FOG WITHIN 120 NM E OF GREENLAND...AND
FROM 41N TO 49N BETWEEN 56W AND 46W.
.LIGHT FREEZING SPRAY N OF 65N E OF 40W.
.24 HOUR FORECAST CONDITIONS IMPROVED.
.FORECASTER KELLS. OCEAN PREDICTION CENTER.
NATIONAL HURRICANE CENTER MIAMI FL
ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF AMERICA
SYNOPSIS VALID 0600 UTC SAT MAY 30.
24 HOUR FORECAST VALID 0600 UTC SUN MAY 31.
48 HOUR FORECAST VALID 0600 UTC MON JUN 1.
.WARNINGS.
...ATLC GALE WARNING...
.ATLC STATIONARY FRONT FROM 31N59W TO LOW PRES NEAR 31N79W 1011
MB. WITHIN 31N46W TO 31N58W TO 29N59W TO 29N56W TO 30N47W TO
31N46W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN W TO NW SWELL.
.24 HOUR FORECAST COLD FRONT FROM 31N68W TO LOW PRES NEAR 30N72W
1009 MB TO 31N80W. WITHIN 31N57W TO 31N76W TO 28N75W TO 27N66W
TO 31N57W SW WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.
.36 HOUR FORECAST COLD FRONT FROM 31N64W TO 25N74W TO 28N80W.
WITHIN
31N61W TO 31N63W TO 30N64W TO 29N64W TO 30N62W TO 31N61W SW
WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE E OF FRONT WITHIN
29N56W TO 31N55W TO 31N61W TO 29N66W TO 26N69W TO 25N66W TO
29N56W SW WINDS 25 TO 35 KT. SEAS 2.5 TO 3.0 M. REMAINDER OF AREA
W OF FRONT WITHIN 31N64W TO 31N69W TO 30N71W TO 27N68W TO 31N64W
NW TO N WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN SW TO W SWELL.
.48 HOUR FORECAST COLD FRONT FROM 31N58W TO 27N73W. E OF FRONT
WITHIN
31N52W TO 31N60W TO 29N64W TO 27N65W TO 27N62W TO 29N55W TO
31N52W SW TO W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M IN W SWELL.
W OF FRONT WITHIN 31N60W TO 31N70W TO 30N69W TO 29N65W TO 31N60W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN W TO NW SWELL.
.SYNOPSIS AND FORECAST.
.ATLC 24 HOUR FORECAST WITHIN 22N35W TO 21N36W TO 20N37W TO
16N35W TO 22N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E
SWELL.
.48 HOUR FORECAST WITHIN 25N35W TO 22N42W TO 17N46W TO 15N44W TO
14N35W TO 25N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E
SWELL.
.CARIBBEAN WITHIN 14N69W TO 15N73W TO 13N73W TO 12N73W TO 11N71W
TO 11N69W TO 14N69W E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 14N71W TO 15N73W TO 14N75W TO 11N74W TO
11N72W TO 12N70W TO 14N71W E WINDS 20 TO 25 KT. SEAS LESS THAN
2.5 M.
.48 HOUR FORECAST LITTLE CHANGE.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.