HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC THU MAY 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 28.
24 HOUR FORECAST VALID 0600 UTC MAY 29.
48 HOUR FORECAST VALID 0600 UTC MAY 30.
.WARNINGS.
...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 47N41W 990 MB MOVING NE 15 KT.
WITHIN 480 NM W AND N QUADRANTS WINDS 25 TO 35 KT. SEAS 3 TO 6 M.
ELSEWHERE WITHIN 300 NM S AND 540 NM NW AND N QUADRANTS WINDS 20
TO 30 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER 50N35W 990 MB.
WITHIN 420 NM S QUADRANT AND FROM 50N TO 60N E OF 50W WINDS 25 TO
35 KT. SEAS 2.5 TO 5 M. ELSEWHERE WITHIN 480 NM S SEMICIRCLE AND
N OF 50N E OF 50W WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW E OF AREA 56N29W 999 MB. N OF 50N E OF 50W
WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M.
....GALE WARNING...
.LOW 48N37W 990 MB MOVING NW 20 KT. FROM 33N TO 48N E OF 40W
WINDS 25 TO 35 KT. SEAS 2.5 TO 5.5 M. ELSEWHERE S OF 40N E OF 50W
WINDS TO 25 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 50N35W
ABOVE.
...GALE WARNING...
.FROM 34N TO 38N E OF 63W WINDS TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 44N59W 993 MB. S
OF 47N BETWEEN 49W AND 65W WINDS 25 TO 35 KT. SEAS TO 4 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 45N50W 988 MB.
FROM 35N TO 40N E OF 63W WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M.
ELSEWHERE S OF 50N E OF 65W WINDS TO 25 KT. SEAS 2.5 TO 4 M.
.SYNOPSIS AND FORECAST.
.N OF 60N E OF GREENLAND AREA OF NW WINDS TO 25 KT. SEAS LESS
THAN 2.5 M.
.24 HOUR FORECAST CONDITIONS DIMINISHED.
.48 HOUR FORECAST LOW INLAND 43N71W 1001 MB. WITHIN 180 NM SW
SEMICIRCLE WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 37N TO 44N
BETWEEN 65W AND 75W AND FROM 50N TO 55N E OF 40W.
.24 HOUR FORECAST DENSE FOG FROM 42N TO 47N BETWEEN 55W AND 63W
AND FROM 50N TO 54N E OF 40W.
.48 HOUR FORECAST DENSE FOG FROM 45N TO 50N BETWEEN 45W AND 60W.
.FORECASTER KREKELER. 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 THU MAY 28.
24 HOUR FORECAST VALID 0600 UTC FRI MAY 29.
48 HOUR FORECAST VALID 0600 UTC SAT MAY 30.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC WITHIN 10N51W TO 11N55W TO 10N56W TO 07N53W TO 07N51W TO
10N51W 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 12 HOUR FORECAST WITHIN 31N39.5W TO 31N42W TO 30.5N42W TO
30.5N41W TO 30.5N40W TO 31N39.5W WINDS 20 KT OR LESS. SEAS 2.5
TO 3.0 M IN NW SWELL.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.ATLC 24 HOUR FORECAST COLD FRONT N OF AREA. WITHIN 31N58W TO
31N69W TO 30.5N67.5W TO 30N61W TO 30.5N58.5W TO 31N58W SW TO W
WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN NW SWELL.
.48 HOUR FORECAST COLD FRONT FROM 31N58W TO 30N66W. WITHIN
31N53W TO 31N55.5W TO 30.5N55W TO 30.5N54W TO 31N53W SW WINDS 20
TO 25 KT. SEAS 2.5 TO 3.0 M IN W TO NW SWELL. ELSEWHERE WITHIN
31N48W TO 31N59W TO 30N60W TO 29N58W TO 29N54W TO 30N49W TO
31N48W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN W TO NW SWELL.
.CARIBBEAN WITHIN 17N72W TO 17N78W TO 13N79W TO 11N75W TO 12N73W
TO 11N66W TO 17N72W...INCLUDING GULF OF VENEZUELA...E WINDS 20
TO 30 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 15N70W TO 18N76W
TO 18N80W TO 13N82W TO 11N80W TO 14N78W TO 15N70W WINDS 20 KT OR
LESS. SEAS 2.5 TO 3.0 M IN E SWELL.
.24 HOUR FORECAST WITHIN 14N66W TO 16N75W TO 14N77W TO 11N75W TO
13N72W TO 11N65W TO 14N66W...INCLUDING GULF OF VENEZUELA...E
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M IN E SWELL. ELSEWHERE WITHIN
16N74W TO 17N79W TO 16N82W TO 12N81W TO 12N77W TO 14N77W TO
16N74W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E SWELL.
.48 HOUR FORECAST WITHIN 13N67W TO 14N73W TO 11N72W TO 12N69W TO
11N67W TO 12N66W TO 13N67W...INCLUDING GULF OF VENEZUELA...E
WINDS 20 TO 25 KT. SEAS NEAR 2.5 M.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.FORECASTER CHAN. NATIONAL HURRICANE CENTER.
$$