HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC MAY 11.
24 HOUR FORECAST VALID 1200 UTC MAY 12.
48 HOUR FORECAST VALID 1200 UTC MAY 13.
.WARNINGS.
...GALE WARNING...
.COMPLEX LOW WITH MAIN LOW 45N61W 1015 MB MOVING N 15 KT THEN
DISSIPATING. WITHIN 120 NM NE AND E OF A LINE FROM 50N62W TO THE
LOW TO 37N62W...INCLUDING THE GULF OF SAINT LAWRENCE WINDS 25 TO
35 KT. SEAS 2.5 TO 4 M...HIGHEST NEAR 50N60W.
.24 HOUR FORECAST LOW DISSIPATED WITH NEW LOW TO FORM NEAR 39N64W
1008 MB. WITHIN AN AREA BOUNDED BY A LINE FROM 42N63W TO 37N66W
TO 31N76W TO 31N81W TO 35N75W TO 42N63W WINDS 25 TO 35 KT. SEAS
2.5 TO 3.5 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN LOW INLAND NEAR 48N54W
992 MB. BETWEEN 90 NM AND 480 NM NE...60 NM AND 300 NM E...180 NM
AND 600 NM SE...120 NM AND 300 NM S AND SW QUADRANTS WINDS 35 TO
45 KT. SEAS 3.5 TO 6.5 M...HIGHEST E AND SE QUADRANTS. ELSEWHERE
WITHIN 840 NM NE...600 NM E...960 NM SE...540 NM S AND BETWEEN
120 NM AND 540 NM SW AND 180 NM AND 360 NM W
QUADRANTS...INCLUDING THE GULF OF SAINT LAWRENCE WINDS 25 TO 35
KT. SEAS 2.5 TO 4.5 M...EXCEPT TO 3 M IN THE GULF OF SAINT
LAWRENCE.
...GALE WARNING...
.COMPLEX LOW WITH MAIN LOW NE OF AREA 67N28W 990 MB MOVING SE 20
KT. N OF 63N E OF GREENLAND WINDS 35 TO 45 KT. SEAS 3.5 TO 5.5 M.
ELSEWHERE FROM 57N TO 60N E OF 43W AND FROM 60N TO 63N E OF
GREENLAND WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M...HIGHEST NEAR
60N39W.
.24 HOUR FORECAST LOW WELL E OF THE AREA NEAR 62N15W 998 MB. FROM
58N TO 62N E OF 43W WINDS TO 25 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST LOW AND CONDITIONS WELL E OF THE AREA.
...GALE WARNING...
.INLAND LOW 55N71W 1002 MB MOVING NE 20 KT. FROM 50N TO 60N W OF
48W...FROM 60N TO 62N W OF GREENLAND AND FROM 62N TO 67N E OF 56W
TO GREENLAND. WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 62N62W 996 MB. WITHIN 90 NM NE AND E OF A
LINE FROM 65N55W TO 61N51W TO W GREENLAND WINDS 25 TO 40 KT. SEAS
2.5 TO 5 M. ELSEWHERE WITHIN 360 NM NE...300 NM E...600 NM SE AND
300 NM S QUADRANTS WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST LOW 65N56W 1005 MB. WITHIN 90 NM NE AND E OF A
LINE FROM 66N58W TO THE LOW TO 63N54W WINDS 20 TO 30 KT. SEAS TO
3 M.
.SYNOPSIS AND FORECAST.
.LOW 37N74W 1014 MB MOVING NE 10 KT. WITHIN 90 NM W AND NW OF A
LINE FROM THE LOW TO 40N69W WINDS TO 25 KT. SEAS LESS THAN 2.5 M.
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 DESCRIBED IN
WARNINGS SECTION ABOVE WITH LOW 39N64W.
.24 HOUR FORECAST NEW LOW 43N60W. FROM 34N TO 47N BETWEEN 43W AND
57W...WITHIN 120 NM E AND SE OF A LINE FROM 47N46W TO 54N41W AND
WITHIN 120 NM E AND SE OF A LINE FROM 37N62W TO 32N70W WINDS TO
25 KT. SEAS TO 2.5 M.
.48 HOUR LOW ABSORBED AND CONDITIONS DESCRIBED ABOVE IN WARNINGS
SECTION WITH LOW 48N54W.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 41N TO 50N
BETWEEN 60W AND 68W...INCLUDING THE GULF OF SAINT LAWRENCE AND
FROM 58N TO 61N BETWEEN 59W AND 62W.
.24 HOUR FORECAST DENSE FOG FROM 41N TO 51N BETWEEN 45W AND
62W...FROM 53N TO 55N BETWEEN 40W AND 44W AND N OF 60N W OF
GREENLAND.
.48 HOUR FORECAST DENSE FOG FROM 45N TO 54N BETWEEN 44W AND
61W...INCLUDING THE E GULF OF SAINT LAWRENCE...WITHIN 240 NM W
AND NW OF A LINE FROM 54N47W TO 57N41W...WITHIN 60 NM NW AND N OF
LINE FROM 57N41W TO 56N35W AND N OF 62N W OF GREENLAND.
.FORECASTER FUTTERMAN. 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 1200 UTC MON MAY 11.
24 HOUR FORECAST VALID 1200 UTC TUE MAY 12.
48 HOUR FORECAST VALID 1200 UTC WED MAY 13.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC WITHIN 12N35W TO 12N43W TO 09N53W TO 06N51W TO 07N35W TO
12N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE SWELL.
.24 HOUR FORECAST WITHIN 11N37W TO 11N51W TO 10N53W TO 06N53W TO
07N39W TO 11N37W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO
E SWELL.
.48 HOUR FORECAST WITHIN 19N35W TO 21N43W TO 15N54W TO 07N54W TO
07N35W TO 19N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE
SWELL.
.CARIBBEAN WITHIN 16N74W TO 16N78W TO 14N80W TO 12N80W TO 10N78W
TO 12N69W TO 16N74W...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 15N76W TO 13N78W TO 11N78W TO
12N74W TO 12N69W TO 14N70W...INCLUDING THE GULF OF VENEZUELA...
NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST WITHIN 14N70W TO 15N76W TO 13N78W TO 11N78W TO
12N74W TO 12N69W TO 14N70W...INCLUDING THE GULF OF VENEZUELA...
NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.FORECASTER LANDSEA. NATIONAL HURRICANE CENTER.
$$