HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC JUN 27.
24 HOUR FORECAST VALID 0600 UTC JUN 28.
48 HOUR FORECAST VALID 0600 UTC JUN 29.
.WARNINGS.
...GALE WARNING...
.LOW E OF AREA 57N25W 999 MB MOVING NE 10 KT. WITHIN AN AREA
BOUNDED BY A LINE FROM 46N35W TO 48N40W TO 61N49W TO 59N42W TO
56N35W TO 46N35W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M...HIGHEST
NEAR 35W.
.24 HOUR FORECAST LOW WELL E OF AREA WITH NEW LOW TO FORM NEAR
59N39W 1000 MB. N OF 64N E OF GREENLAND WINDS 25 TO 35 KT.
ELSEWHERE WITHIN 120 NM N AND NE OF A LINE FROM 58N47W TO 62N52W
TO THE W COAST OF GREENLAND WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 60N41W 1002 MB. WITHIN 120 NM N AND NE OF A
LINE FROM 59N38W TO 56N49W AND N OF 60N E OF GREENLAND WINDS TO
25 KT. SEAS TO 3 M.
...GALE WARNING...
.24 HOUR FORECAST LOW 39N65W 1016 MB. WITHIN 120 NM S AND SE OF A
LINE FROM 40N63W TO 37N74W WINDS TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST LOW 43N50W1008 MB. WITHIN 120 NM S QUADRANT
WINDS 25 TO 35 KT. SEAS TO 3.5 M. ELSEWHERE WITHIN 300 NM SE AND
S OF A LINE FROM 45N47W TO 40N58W AND WITHIN 120 NM SE AND S OF
LINE FROM 40N58W TO 36N68W WINDS 20 TO 30 KT. SEAS TO 3 M.
.SYNOPSIS AND FORECAST.
.LOW 44N58W 1013 MB MOVING NE 25 KT. WITHIN 300 NM SE AND 480 NM
SW QUADRANTS WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW ABSORBED WITH LOW 46N42W AND CONDITIONS
DESCRIBED BELOW.
.LOW 57N53W 1008 MB MOVING SE 20 KT. FROM 49N TO 53N BETWEEN 42W
AND 56W WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DESCRIBED BELOW N
WITH LOW 46N42W.
.24 HOUR FORECAST NEW LOW 46N42W 1008 MB. WITHIN 360 NM SE AND
420 S AND SW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW E OF THE AREA 51N26W 1004 MB. FROM 41N TO
60N E OF 40W WINDS LESS TO 25 KT. SEAS TO 3 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 46N
BETWEEN 52W AND 69W...INCLUDING THE BAY OF FUNDY AND N OF 65N W
OF 58W.
.24 HOUR FORECAST DENSE FOG FROM 44N TO 48N BETWEEN 42W AND
48W...WITHIN 180 NM NW AND N OF A LINE FROM 45N53W TO
42N62W...FROM 50N TO 53N W OF 54W...FROM 57N TO 59N W OF 60W TO
LABRADOR...N OF 65N W OF 58W AND N OF 63N E OF GREENLAND.
.48 HOUR FORECAST DENSE FOG IN THE BAY OF FUNDY...WITHIN 180 NM N
AND NE OF A LINE FROM 45N59W TO 42N52W...FROM 48N TO 54N BETWEEN
49W AND 56W AND N OF 63N E 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 0600 UTC SAT JUN 27.
24 HOUR FORECAST VALID 0600 UTC SUN JUN 28.
48 HOUR FORECAST VALID 0600 UTC MON JUN 29.
.WARNINGS.
...CARIBBEAN GALE WARNING...
.CARIBBEAN WITHIN 12N76W TO 12N77W TO 11N77W TO 11N75W TO 12N76W
NE TO E WINDS 30 TO 35 KT. SEAS 3.5 TO 4.5 M. ELSEWHERE WITHIN
16N74W TO 17N78W TO 14N82W TO 11N78W TO 12N70W TO
16N74W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO
30 KT. SEAS 3.0 TO 3.5 M. REMAINDER OF AREA WITHIN 16N72W TO
17N78W TO 17N82W TO 11N83W TO 09N81W TO 12N70W TO
16N72W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E SWELL.
.06 HOUR FORECAST LITTLE CHANGE...EXCEPT WINDS BELOW GALE.
.18 HOUR FORECAST WITHIN 12N74.5W TO 12N75.5W TO 11.5N76W TO
11N76W TO 11N74.5W TO 12N74.5W NE TO E WINDS 30 TO 40 KT. SEAS
3.0 TO 4.0 M. ELSEWHERE WITHIN 13N70W TO 14N73W TO 14N79W TO
10N76W TO 12N73W TO 11N71W TO 13N70W...INCLUDING THE GULF OF
VENEZUELA...NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
REMAINDER OF AREA WITHIN 13N70W TO 17N76W TO 16N82W TO 11N84W TO
09N82W TO 09N77W TO 13N70W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M
IN E SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST WITHIN 15N73W TO 14N76W TO 12N79W TO 10N77W TO
12N74W TO 12N70W TO 15N73W...INCLUDING THE GULF OF
VENEZUELA...NE TO E WINDS 20 TO 30 KT. SEAS 3.0 TO 3.5 M.
ELSEWHERE WITHIN 16N74W TO 15N82W TO 11N84W TO 09N82W TO 09N77W
TO 12N70W TO 16N74W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE
TO E SWELL.
.48 HOUR FORECAST WITHIN 17N72W TO 15N77W TO 13N77W TO 10N76W TO
12N70W TO 17N72W...INCLUDING THE GULF OF VENEZUELA...NE TO E
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 15N70W TO
17N76W TO 14N81W TO 09N82W TO 11N70W TO 15N70W WINDS 20 KT OR
LESS. SEAS 2.5 TO 3.0 M IN NE TO E SWELL.
.SYNOPSIS AND FORECAST.
.ATLC 24 HOUR FORECAST WITHIN 13N44W TO 13N51W TO 10N53W TO
08N52W TO 07N46W TO 10N43W TO 13N44W WINDS 20 KT OR LESS. SEAS
2.5 TO 3.0 M IN NE TO E SWELL.
.48 HOUR FORECAST WITHIN 10N50W TO 11N51W TO 10N54W TO 08N54W TO
08N52W TO 09N50W TO 10N50W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0
M IN E SWELL.
.CARIBBEAN WITHIN 20N73W TO 21N73W TO 20N75W TO 19N76W TO 19N75W
TO 19N74W TO 20N73W...INCLUDING BETWEEN CUBA AND JAMAICA...NE TO
E WINDS 20 TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.CARIBBEAN WITHIN 17N86W TO 17N88W TO 16N89W TO 16N88W TO 16N85W
TO 17N86W...INCLUDING THE GULF OF HONDURAS...E WINDS 20 TO 25
KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.30 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 DELGADO. NATIONAL HURRICANE CENTER.
$$