HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC MON JUN 29 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC JUN 29.
24 HOUR FORECAST VALID 1200 UTC JUN 30.
48 HOUR FORECAST VALID 1200 UTC JUL 01.
.WARNINGS.
...GALE WARNING...
.COMPLEX LOW WITH FIRST CENTER 43N50W 1008 MB MOVING NE 20 KT AND
SECOND CENTER 40N56W 1012 MB MOVING NE 30 KT. WITHIN 300 NM SE
SEMICIRCLE OF FIRST CENTER AND 180 NM S QUADRANT OF SECOND CENTER
WINDS 25 TO 35 KT. SEAS TO 4 M. ELSEWHERE FROM 40N TO 46N BETWEEN
36W AND 50W AND WITHIN 300 NM SE AND E OF FRONT FROM FIRST CENTER
TO SECOND CENTER TO 36N62W WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 47N40W 1010 MB
AND SECOND CENTER 46N42W 1007 MB. WITHIN 300 NM E AND 360 NM S
QUADRANTS OF SECOND CENTER WINDS 25 TO 35 KT. SEAS TO 4 M.
ELSEWHERE WITHIN 360 NM E AND SE OF A FRONT FROM 49N35W TO FIRST
CENTER TO SECOND CENTER TO 39N48W TO 35N54W WINDS 20 TO 30 KT.
SEAS TO 3.5 M.
.48 HOUR FORECAST COMPLEX LOW MOVED WELL E OF AREA. CONDITIONS
DESCRIBED BELOW WITH LOW 40N47W.
...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 61N42W 997 MB MOVING NE 10 KT. FROM
54N TO 61N E OF 46W WINDS 20 TO 30 KT. SEAS TO 3 M.
.12 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER NEAR 62N38W 996
MB. WITHIN 300 NM S QUADRANT WINDS 25 TO 35 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST COMBINED LOW 62N37W 994 MB. WITHIN 180 NM NW
SEMICIRCLE WINDS 25 TO 35 KT. SEAS TO 3.5 M. ELSEWHERE N OF 56N E
OF 41W AND FROM 56N TO 62N BETWEEN 41W AND 52W WINDS 20 TO 30 KT.
SEAS TO 4 M.
.48 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER E OF AREA NEAR
65N33W 991 MB AND SECOND CENTER 60N39W 1002 MB. N OF 56N E OF 43W
WINDS 20 TO 30 KT. SEAS TO 4 M.
.SYNOPSIS AND FORECAST.
.LOW 64N38W 996 MB NEARLY STATIONARY. N OF 62N E OF GREENLAND
WINDS
TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS ABSORBED BY LOW
62N37W DESCRIBED IN WARNINGS SECTION ABOVE.
.LOW 35N74W 1014 MB MOVING SE 10 KT. WINDS LESS THAN 25 KT. SEAS
LESS THAN 2.5 M.
.24 HOUR FORECAST LOW 32N71W 1012 MB. WITHIN 240 NM N SEMICIRCLE
WINDS TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DIMINISHED.
.24 HOUR FORECAST NEW LOW 35N57W 1014 MB. WITHIN 180 NM W
QUADRANT WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER NEAR 40N47W 1014
MB. WITHIN 300 NM SE SEMICIRCLE WINDS TO 25 KT. SEAS TO 2.5 M.
ELSEWHERE FROM 33N TO 50N E OF 53W WINDS LESS THAN 25 KT. SEAS TO
3 M IN MIXED SWELL.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 41N TO 55N
BETWEEN 43W AND 69W AND WITHIN 120 NM E AND SE OF GREENLAND COAST
N OF 63N.
.24 HOUR FORECAST DENSE FOG N OF 61N E OF GREENLAND...FROM 46N TO
51N BETWEEN 49W AND 59W...AND WITHIN 180 NM NW AND N OF A LINE
FROM 43N44W TO 46N40W TO 47N35W.
.48 HOUR FORECAST DENSE FOG FROM 44N TO 46N E OF 41W...FROM 46N
TO 51N BETWEEN 46W AND 65W...AND W OF A LINE FROM 57N60W TO
59N60W TO 63N64W.
.FORECASTER JOSEPH. 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 JUN 29.
24 HOUR FORECAST VALID 1200 UTC TUE JUN 30.
48 HOUR FORECAST VALID 1200 UTC WED JUL 01.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC FROM 10N TO 14N BETWEEN 50W AND 60W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN NE TO E SWELL.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.CARIBBEAN FROM 11N TO 17N BETWEEN 70W AND 79W...INCLUDING THE
GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0
M. FROM
10N TO 11N E OF 77W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE
SWELL.
.12 HOUR FORECAST FROM 11N TO 16N BETWEEN 68W AND 80W...INCLUDING
THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT...EXCEPT 25 TO
30 KT OFFSHORE OF COLOMBIA AND IN THE GULF OF VENEZUELA. SEAS
2.5 TO
4.0 M...HIGHEST OFFSHORE OF COLOMBIA. FROM 10N TO 11N E OF 78W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST FROM 11N TO 16N BETWEEN 66W AND 80W...INCLUDING
THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO
3.5 M. FROM 10N TO 11N E OF 78W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0
M IN NE SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.FORECASTER GR. NATIONAL HURRICANE CENTER.
$$