HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC MON MAY 11 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).
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 11.
24 HOUR FORECAST VALID 0600 UTC MAY 12.
48 HOUR FORECAST VALID 0600 UTC MAY 13.
.WARNINGS.
...GALE WARNING...
.LOW INLAND 50N65W 1010 MB MOVING N 15 KT THEN DISSIPATING.
WITHIN THE GULF OF SAINT LAWRENCE WINDS 25 TO 35 KT. SEAS 2.5 TO
3.5 M.
.24 HOUR FORECAST NEW LOW 61N62W 996 MB. WITHIN 120 NM OF THE W
GREENLAND COAST BETWEEN 47W AND 52W WINDS 25 TO 35 KT. SEAS 2.5
TO 3.5 M. ELSEWHERE BETWEEN 240 NM AND 540 NM E SEMICIRCLE WINDS
20 TO 30 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST LOW NEAR 64N57W 1002 MB. N OF 59N W OF 50W
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
...GALE WARNING...
.LOW NE OF AREA 66N33W 994 MB MOVING SE 15 KT AND INTENSIFYING. N
OF 57N E OF 43W WINDS 25 TO 40 KT. SEAS 3 TO 4.5 M. ELSEWHERE N
OF 54N E OF 45W WINDS TO 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW WELL E OF AREA NEAR 64N22W 998 MB. FROM 58N
TO 61N E OF 42W WINDS 25 TO 35 KT. SEAS 3 TO 4 M. ELSEWHERE N OF
58N E OF 41W WINDS TO 25 KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST LOW AND CONDITIONS WELL E OF AREA.
...GALE WARNING...
.48 HOUR FORECAST NEW COMPLEX LOW WITH MAIN CENTER NEAR 48N56W
1001 MB. BETWEEN 240 NM AND 600 NM S AND SW QUADRANTS...AND FROM
38N TO 55N BETWEEN 43W AND 52W WINDS 25 TO 35 KT. SEAS 2.5 TO 4
M...HIGHEST E OF CENTER. ELSEWHERE WITHIN 780 NM E
SEMICIRCLE...AND WITHIN 780 NM SW QUADRANT WINDS TO 25 KT. SEAS
TO 3 M.
.SYNOPSIS AND FORECAST.
.LOW 43N64W 1015 MB MOVING NE 10 KT. WITHIN 360 NM NE AND 420 NM
SE QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE FROM
36N TO 47N BETWEEN 58W AND 66W WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.
.N OF 58N BETWEEN 50W AND 58W AREA OF S WINDS TO 25 KT. SEAS TO 3
M.
.24 HOUR FORECAST CONDITIONS DIMINISHED.
.S OF 43N E OF 49W AREA OF NE TO E WINDS TO 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST S OF 40N E OF 39W AREA OF NE TO E WINDS TO 25
KT. SEAS TO 3 M.
.48 HOUR FORECAST CONDITIONS E OF AREA.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 39N BETWEEN 60W
AND 72W...AND N OF 63N BETWEEN W GREENLAND COAST AND 58W.
.24 HOUR FORECAST DENSE FOG FROM 40N TO 56N BETWEEN 38W AND
65W...AND N OF 60N W OF GREENLAND.
.48 HOUR FORECAST DENSE FOG WITHIN 270 NM EITHER SIDE OF A LINE
FROM 40N56W TO 52N50W TO 57N35W.
.FORECASTER ANDERSON. 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 MON MAY 11.
24 HOUR FORECAST VALID 0600 UTC TUE MAY 12.
48 HOUR FORECAST VALID 0600 UTC WED MAY 13.
.WARNINGS.
...CARIBBEAN GALE WARNING...
.WITHIN 12N74W TO 12N75W TO 11N76W TO 11N75W TO 11N74W TO 12N74W
NE TO E WINDS 30 TO 40 KT. SEAS 2.5 TO 3.0 M. WITHIN 16N74W TO
13N80W TO 10N79W TO 12N74W TO 11N68W TO 12N67W TO
16N74W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO
30 KT. SEAS 2.5 TO 3.0 M.
.06 HOUR FORECAST WITHIN 13N70W TO 16N73W TO 16N77W TO 14N79W
TO 10N78W TO 11N70W TO 13N70W...INCLUDING THE GULF OF
VENEZUELA...NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST WITHIN 14N70W TO 14N77W TO 12N79W TO 11N76W
TO 12N73W TO 11N67W TO 14N70W...INCLUDING THE GULF OF
VENEZUELA...E WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST WITHIN 14N70W TO 13N76W TO 11N75W TO 12N72W TO
11N72W TO 12N70W TO 14N70W...INCLUDING THE GULF OF VENEZUELA...
NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.SYNOPSIS AND FORECAST.
.ATLC WITHIN 09N50W TO 08N53W TO 07N52W TO 07N51W TO 07N46W TO
09N50W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE SWELL.
.24 HOUR FORECAST WITHIN 11N36W TO 11N46W TO 09N55W TO 06N52W TO
08N38W TO 11N36W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO
E SWELL.
.48 HOUR FORECAST WITHIN 11N37W TO 13N41W TO 13N49W TO 09N57W TO
06N52W TO 08N37W TO 11N37W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0
M IN NE SWELL.
.CARIBBEAN WITHIN 18N86W TO 18N87W TO 17N87W TO 16N87W TO 16N86W
TO 17N85W TO 18N86W...INCLUDING THE GULF OF HONDURAS...E TO SE
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.06 HOUR FORECAST CONDITIONS IMPROVE. 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 RAMOS. NATIONAL HURRICANE CENTER.
$$