HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC SUN JUN 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 JUN 28.
24 HOUR FORECAST VALID 0600 UTC JUN 29.
48 HOUR FORECAST VALID 0600 UTC JUN 30.
.WARNINGS.
...GALE WARNING...
.LOW 60N46W MOVING E 10 KT. N OF 64N E OF GREENLAND AREA OF NE
WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. ELSEWHERE WITHIN 90 NM N AND
NE OF A LINE FROM 59N47W TO 61N51W TO 63N52W WINDS TO 25 KT. SEAS
TO 3 M.
.24 HOUR FORECAST LOW 61N42W 1001 MB. WITHIN 300 NM SE...180 NM S
AND 300 NM SW QUADRANTS...WITHIN 120 NM W AND NW OF A LINE FROM
63N53W TO 67N54W AND WITHIN 60 NM N AND NE OF A LINE FROM 61N35W
TO 62N39W WINDS TO 25 KT. SEAS TO 3 M.
.42 HOUR FORECAST LOW 62N37W 994 MB. WITHIN 60 NM N OF A LINE
FROM 60N38W TO 59N40W TO 60N43W WINDS 25 TO 35 KT. SEAS 2.5 TO
4.5 M.
.48 HOUR FORECAST LOW 63N37W 991 MB. N OF 64N E OF GREENLAND AND
WITHIN 60 NM N OF A LINE FROM 59N39W TO 59N44W WINDS 25 TO 35 KT.
SEAS 2.5 TO 4.5 M. ELSEWHERE WITHIN 600 NM S AND 420 NM SW
QUADRANTS AND WITHIN 180 NM N AND NE OF A LINE FROM 57N43W TO
60N52W TO 63N54W WINDS 20 TO 30 KT. SEAS TO 3 M.
...GALE WARNING...
.LOW 47N42W 1005 MB MOVING NE 25 KT. WITHIN 300 NM E...420 NM
SE...480 NM SW AND 120 NM NW QUADRANTS WINDS 20 TO 30 KT. SEAS TO
3.5 M.
.12 HOUR FORECAST LOW 48N38W 1007 MB. FROM 40N TO 49N E OF 44W
WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M...HIGHEST NEAR 35W.
.24 HOUR FORECAST LOW E OF AREA 51N26W 1004 MB. FROM 40N TO 48N E
OF 40W WINDS LESS THAN 25 KT. SEAS TO 3.5 M IN SWELL...HIGHEST
NEAR 35W.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS E OF AREA.
.SYNOPSIS AND FORECAST.
.WITHIN 180 NM NW AND N OF A LINE FROM 33N73W TO 37N64W AND
WITHIN 90 NM NW AND N OF A LINE FROM 37N61W TO 39N50W AREA OF SW
WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST NEW LOW 40N58W 1010 MB. WITHIN 660 NM NE...720
NM E...240 NM S AND 660 NM SW QUADRANTS WINDS 20 TO 30 KT.
.48 HOUR FORECAST LOW 42N49W 1010 MN. WITHIN 360 NM S OF A LINE
FROM 48N35W TO 37N55W WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 300 NM NW AND
N OF A LINE FROM 38N67W TO 46N53W...INCLUDING THE BAY OF FUNDY
AND THE GULF OF SAINT LAWRENCE...FROM 51N TO 53N W OF 51W TO
NEWFOUNDLAND AND LABRADOR...FROM 44N TO 47N BETWEEN 41W AND
45W...FROM 63N TO 67N W OF 57W AND N OF 64N E OF GREENLAND.
.24 HOUR FORECAST DENSE FOG FROM 41N TO 44N BETWEEN 47W AND
53W...WITHIN 180 NM NW AND N OF A LINE FROM 44N58W TO
50N48W...WITHIN 90 NM N AND NE OF A LINE FROM 59N46W TO 59N49W TO
SW GREENLAND AND N OF 63N E OF GREENLAND.
.48 HOUR FORECAST DENSE FOG FROM 48N TO 53N BETWEEN W OF 49W TO
NEWFOUNDLAND AND LABRADOR...FROM 45N TO 48N E OF 39W...N OF 61N E
OF GREENLAND AND W OF A LINE FROM 64N59W TO 67N57W.
.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 0600 UTC SUN JUN 28.
24 HOUR FORECAST VALID 0600 UTC MON JUN 29.
48 HOUR FORECAST VALID 0600 UTC TUE JUN 30.
.WARNINGS.
...GALE WARNING...
.CARIBBEAN WITHIN 11N74W TO 12N75W TO 12N76W TO 11N76W TO 11N75W
TO 11N74W NE TO E WINDS 25 TO 35 KT. SEAS 2.5 TO 3.0 M. WITHIN
14N71W TO 14N79W TO 09N78W TO 12N75W TO 11N72W TO 12N70W TO
14N71W...INCLUDING THE GULF OF VENEZUELA... NE TO E WINDS 20 TO
30 KT. SEAS 2.5 TO 3.0 M. WITHIN 14N79W TO 15N78W TO 15N81W TO
12N83W TO 09N81W TO 10N79W TO 14N79W...INCLUDING WITHIN 60 NM OF
COAST OF NICARAGUA... WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN E
SWELL.
.03 HOUR FORECAST LITTLE CHANGE...EXCEPT PEAK WINDS BELOW GALE
FORCE.
.24 HOUR FORECAST WITHIN 18N72W TO 17N75W TO 14N78W TO 11N77W TO
12N72W TO 12N66W TO 18N72W...INCLUDING THE GULF OF VENEZUELA...
E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M IN E SWELL.
.48 HOUR FORECAST WITHIN 15N70W TO 16N75W TO 16N78W TO 13N78W TO
11N76W TO 12N69W TO 15N70W...INCLUDING THE GULF OF VENEZUELA...
E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.SYNOPSIS AND FORECAST.
.ATLC AND CARIBBEAN WITHIN 20N73W TO 21N73W TO 20N75W TO 19N76W
TO 19N74W TO 20N73W NE TO E 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.
.CARIBBEAN WITHIN 17N86W TO 18N87W TO 18N88W TO 16N89W TO 16N86W
TO 17N86W...INCLUDING THE GULF OF HONDURAS... E 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 LANDSEA. NATIONAL HURRICANE CENTER.
$$