HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC SUN MAY 10 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 10.
24 HOUR FORECAST VALID 1200 UTC MAY 11.
48 HOUR FORECAST VALID 1200 UTC MAY 12.
.WARNINGS.
...GALE WARNING...
.LOW 62N40W 1018 MB MOVING NE 30 KT. FROM 41N TO 63N E OF 52W
WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M.
.06 HOUR FORECAST LOW 66N37W 1009 MB. FROM 58N TO 61N BETWEEN 35W
AND 44W AREA OF W TO SW WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST LOW NE OF AREA 68N31W 994 MB. N OF 57N E OF 43W
AREA OF W TO SW WINDS 25 TO 40 KT. SEAS 2.5 TO 4 M. ELSEWHERE N
OF 56N E OF 45W WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW WELL E OF AREA. FROM 57N TO 61N BETWEEN 35W
AND 43W WINDS 20 TO 30 KT. SEAS TO 3.5 M.
...GALE WARNING...
.12 HOUR FORECAST IN THE GULF OF SAINT LAWRENCE W OF 59W AREA OF
S TO SE WINDS 25 TO 35 KT. SEAS TO 3 M.
.24 HOUR FORECAST INLAND LOW 58N67W 1003 MB. FROM 47N TO 62N
BETWEEN 48W AND 63W AREA OF S TO SE WINDS 25 TO 35 KT. SEAS TO 3
M.
.42 HOUR FORECAST LOW 62N62W 996 MB. WITHIN 360 NM E AND 600 NM
SE QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST LOW 63N62W 996 MB. WITHIN 120 NM NE OF A LINE
FROM 66N58W TO 61N50W TO 57N53W WINDS 25 TO 40 KT. SEAS 2.5 TO
4.5 M. ELSEWHERE N OF 55N BETWEEN 47W AND 58W WINDS TO 25 KT.
SEAS TO 3 M.
.SYNOPSIS AND FORECAST.
.LOW 39N70W 1013 MB MOVING NE 20 KT. FROM 33N TO 45N BETWEEN 60W
AND 68W WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST LOW 38N62W 1015 MB. FROM 32N TO 45N BETWEEN 57W
AND 65W WINDS TO 25 KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST LOW 42N57W 1010 MB. WITHIN 600 NM E QUADRANT
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
. N OF 58N BETWEEN 52W AND 62W WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST N OF 61N BETWEEN 48W AND 53W WINDS 20 TO 30 KT.
SEAS TO 3 M.
.48 HOUR FORECAST CONDITIONS AS DESCRIBED WITH LOW 63N62W IN
SECOND GALE WARNING ABOVE.
.48 HOUR FORECAST WITHIN 180 NM NW OF A LINE FROM 31N81W TO
34N71W TO 38N65W WINDS TO 25 KT. SEAS TO 2.5 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 38N TO 43N
BETWEEN 68W AND 71W...N OF 64N E OF GREENLAND.
.24 HOUR FORECAST DENSE FOG N OF 41N BETWEEN 61W AND 67W.
.48 HOUR FORECAST DENSE FOG FROM 42N TO 48N BETWEEN 47W AND
62W...AND N OF 61N W OF 48W.
.FORECASTER HYDE. 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 SUN MAY 10.
24 HOUR FORECAST VALID 1200 UTC MON MAY 11.
48 HOUR FORECAST VALID 1200 UTC TUE MAY 12.
.WARNINGS.
...CARIBBEAN GALE WARNING...
.CARIBBEAN WITHIN 13N75W TO 13N77W TO 12N78W TO 11N77W TO 10N77W
TO 11N75W TO 13N75W NE TO E WINDS 25 TO 30 KT. SEAS 3.5 TO 4.5
M. ELSEWHERE...WITHIN 17N74W TO 15N80W TO 10N79W TO 10N77W TO
12N73W TO 11N67W TO 17N74W...INCLUDING THE GULF OF VENEZUELA...E
WINDS 20 TO 25 KT. SEAS 2.5 TO 3.5 M.
.12 HOUR FORECAST WITHIN 11N74W TO 12N74W TO 12N75W TO 12N76W TO
11N76W TO 11N75W TO 11N74W NE WINDS 25 TO 35 KT. SEAS 3.5 TO 4.5
M. ELSEWHERE...WITHIN 16N75W TO 15N81W TO 10N81W TO 10N77W TO
11N74W TO 13N68W TO 16N75W...INCLUDING THE GULF OF VENEZUELA...NE
TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST WITHIN 12N76W TO 12N77W TO 11N77W TO 11N76W TO
12N76W NE TO E WINDS 25 TO 30 KT. SEAS 3.5 TO 4.5 M.
ELSEWHERE...WITHIN 16N73W TO 16N78W TO 11N82W TO 10N77W TO 12N74W
TO 11N70W TO 16N73W...INCLUDING THE GULF OF VENEZUELA...NE TO E
WINDS 20 TO 25 KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST WITHIN 14N73W TO 13N78W TO 12N79W TO 11N78W TO
12N74W TO 12N70W TO 14N73W NE TO E WINDS 20 TO 30 KT. SEAS 2.5
TO 3.5 M.
.SYNOPSIS AND FORECAST.
.ATLC 03 HOUR FORECAST WITHIN 21N71W TO 21N73W TO 20N73W TO
20N72W TO 20N71W TO 21N71W E WINDS 20 TO 25 KT. SEAS LESS THAN
2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.39 HOUR FORECAST CONDITIONS IMPROVE.
.ATLC 21 HOUR FORECAST WITHIN 10N38W TO 10N42W TO 11N42W TO
10N45W TO 09N45W TO 08N39W TO 10N38W WINDS 20 KT OR LESS. SEAS
2.5 TO 3.0 M IN NE SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WITHIN 11N38W TO 13N48W TO 11N49W TO 09N54W TO
07N52W TO 07N39W TO 11N38W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0
M IN NE SWELL.
.CARIBBEAN WITHIN 18N72W TO 18N73W TO 17N73W TO 17N71W TO 18N72W
E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.21 HOUR FORECAST CONDITIONS IMPROVE.
.CARIBBEAN 12 HOUR FORECAST WITHIN 17N86W TO 17N87W TO 16N86W TO
16N85W TO 17N86W...INCLUDING THE GULF OF HONDURAS...E TO SE
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST CONDITIONS IMPROVE.
.GULF OF AMERICA 06 HOUR FORECAST WITHIN 22N87W TO 22N90W TO
21N91W TO 20N91W TO 21N89W TO 22N87W...INCLUDING WITHIN 60 NM OF
COAST OF CAMPECHE...NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.39 HOUR FORECAST CONDITIONS IMPROVE.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.
$$