HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC SAT JUN 27 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC JUN 27.
24 HOUR FORECAST VALID 1800 UTC JUN 28.
48 HOUR FORECAST VALID 1800 UTC JUN 29.
.WARNINGS.
...GALE WARNING...
.N OF 64N E OF GREENLAND WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.12 HOUR FORECAST NEW LOW 64N35W 999 MB. N OF 64N E OF
GREENLAND WINDS 25 TO 40 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST LOW 63N38W 999 MB. N OF 62N E OF GREENLAND
WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST LOW ABSORBED BY ANOTHER LOW E OF AREA
65N33W 996 MB. N OF 64N E OF 38W WINDS 20 TO 30 KT. SEAS
TO 3.5 M.
...GALE WARNING...
.LOW 45N49W 1011 MB MOVING NE 25 KT. FROM 38N TO 47N
BETWEEN 41W AND 56W WINDS 20 TO 30 KT. SEAS TO 3 M.
.12 HOUR FORECAST LOW 47N41W 1008 MB. WITHIN 300 NM S
QUADRANT WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST LOW E OF AREA 49N33W 1004 MB. WITHIN
300 NM S AND SW QUADRANTS WINDS 25 TO 35 KT. SEAS 3 TO
4.5 M. ELSEWHERE FROM 40N TO 50N E OF 41W WINDS TO 25 KT.
SEAS TO 3 M.
.36 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS E OF AREA.
...GALE WARNING...
.LOW 39N76W 1014 MB MOVING E 20 KT WILL TURN NE AFTER 24
HOURS. WINDS LESS THAN 25 KT. SEAS LESS THAN 2.5 M.
.12 HOUR FORECAST LOW 39N70W 1014 MB. WITHIN 300 NM E AND
SE...AND 360 NM S AND SW QUADRANTS WINDS TO 25 KT. SEAS
TO 2.5 M.
.24 HOUR FORECAST LOW 39N63W 1012 MB. WITHIN 120 NM SW
QUADRANT WINDS 25 TO 35 KT. SEAS TO 3 M. ELSEWHERE FROM
35N TO 41N BETWEEN 50W AND 69W WINDS 20 TO 30 KT. SEAS
TO 2.5 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 45N45W
1010 MB AND A NEW SECONDAY CENTER 40N55W 1010 MB. FROM
36N TO 48N E OF 50W...AND FROM 34N TO 41N BETWEEN 50W
AND 64W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.SYNOPSIS AND FORECAST.
.LOW 58N38W 1000 MB DRIFTING SE. WITHIN 540 NM S AND
SE...180 NM SW...AND 480 NM NW QUADRANTS WINDS TO 25
KT. SEAS TO 3.5 M.
.24 HOUR FORECAST LOW DISSIPATED WITH ASSOCIATED
CONDITIONS DIMINISHED.
.24 HOUR FORECAST NEW LOW 61N58W 1006 MB. WITHIN 240 NM
W AND SW QUADRANTS WINDS TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST LOW 61N40W 998 MB. WITHIN 420 NM S
AND SE...360 NM W AND SW...AND 480 NM NW QUADRANTS
WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 34N74W 1013 MB. WITHIN 180 NM
OF LOW CENTER WINDS TO 25 KT. SEAS LESS THAN 2.5 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM
40N TO 56N BETWEEN 47W AND 70W...INCLUDING THE BAY
OF FUNDY AND THE GULF OF SAINT LAWRENCE.
.24 HOUR FORECAST DENSE FOG FROM 41N TO 57N W OF
46W...INCLUDING THE BAY OF FUNDY AND THE GULF OF
SAINT LAWRENCE...FROM 60N TO 63N W OF 60W.
.48 HOUR FORECAST DENSE FOG FROM 42N TO 56N W OF
45W... INCLUDING THE BAY OF FUNDY AND THE GULF OF
SAINT LAWRENCE.
.FORECASTER MILLS. OCEAN PREDICTION CENTER.
NATIONAL HURRICANE CENTER MIAMI FL
ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF AMERICA
SYNOPSIS VALID 1800 UTC SAT JUN 27.
24 HOUR FORECAST VALID 1800 UTC SUN JUN 28.
48 HOUR FORECAST VALID 1800 UTC MON JUN 29.
.WARNINGS.
...CARIBBEAN GALE WARNING...
.CARIBBEAN FROM 11N TO 17.5N BETWEEN 70W AND 83W...INCLUDING
GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT...EXCEPT 25
TO 30 KT NEAR THE COAST OF COLOMBIA. SEAS 2.5 TO 4.0 M...
HIGHEST FROM 11N TO 12N BETWEEN 75W AND 78W. FROM 09N TO
11N E OF 81W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE
SWELL.
.06 HOUR FORECAST FROM 10N TO 15N BETWEEN 68W AND
82W...INCLUDING GULF OF VENEZUELA...NE TO E WINDS 20 TO 30
KT...EXCEPT 30 TO 35 KT NEAR THE COAST OF COLOMBIA. SEAS
2.5 TO 4.5 M...HIGHEST OFFSHORE COLOMBIA. ELSEWHERE FROM
09N TO 11N E OF 82W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M
IN NE SWELL.
.24 HOUR FORECAST FROM 10.5N TO 15N BETWEEN 68W AND 80W...
INCLUDING GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT...
EXCEPT 25 TO 30 KT NEAR THE COAST OF COLOMBIA. SEAS 2.5 TO
4.0 M...HIGHEST OFFSHORE COLOMBIA. ELSEWHERE FROM 09N TO 14N
BETWEEN 75W AND 81W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M
IN NE SWELL.
.48 HOUR FORECAST FROM 11N TO 17.5N BETWEEN 70W AND 80W NE
TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M. FROM 11N TO 15N
BETWEEN 66W AND 70W E WINDS 20 TO 25 KT. SEAS LESS THAN
2.5 M.
.SYNOPSIS AND FORECAST.
.ATLC 18 HOUR FORECAST FROM 08N TO 10N BETWEEN 43W AND 46W
WINDS 20 KT OR LESS. SEAS 2.5 M IN NE TO E SWELL.
.24 HOUR FORECAST FROM 08N TO 10N BETWEEN 45W AND 48W WINDS
20 KT OR LESS. SEAS 2.5 M IN E SWELL.
.42 HOUR FORECAST FROM 09N TO 11N BETWEEN 52W AND 55W WINDS
20 KT OR LESS. SEAS 2.5 M IN E SWELL.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.ATLC AND CARIBBEAN FROM 19N TO 20.5N BETWEEN 71W AND 76W...
INCLUDING THE WINDWARD PASSAGE...NE TO E WINDS 20 TO 25 KT.
SEAS LESS THAN 2.5 M.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.CARIBBEAN 06 HOUR FORECAST S OF 17N W OF 86W...INCLUDING GULF
OF HONDURAS...NE TO E WINDS 20 TO 25 KT. SEAS TO 2.5 M.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.GULF OF AMERICA 06 HOUR FORECAST FROM 20N TO 22.5N BETWEEN
88W AND 92W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.18 HOUR FORECAST 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 GR. NATIONAL HURRICANE CENTER.