HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC THU JUN 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 18.
24 HOUR FORECAST VALID 1800 UTC JUN 19.
48 HOUR FORECAST VALID 1800 UTC JUN 20.
.WARNINGS.
...GALE WARNING...
.LOW 42N41W 1006 MB MOVING SE 15 KT. FROM 37N TO 46N BETWEEN 37W
AND 49W WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW E OF AREA NEAR 42N30W 1001 MB. WITHIN 150
NM W SEMICIRCLE WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE
FROM 36N TO 43N E OF 38W WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW AND CONDITIONS MOVED E OF AREA.
...GALE WARNING...
.LOW INLAND NEAR 46N75W 988 MB MOVING NE 15 KT. FROM 33N TO 44N W
OF 67W WINDS 20 TO 30 KT. SEAS TO 3 M.
.18 HOUR FORECAST LOW INLAND NEAR 46N89W 990 MB. WITHIN 480 NM NE
QUADRANT WINDS 25 TO 35 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW INLAND NEAR 48N67W 990 MB. FROM 33N TO 52N
BETWEEN 52W AND 73W WINDS 20 TO 30 KT. SEAS TO 3.5 M...HIGHEST
NEAR 37N67W.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN LOW NEAR 51N49W 995 MB.
WITHIN 240 NM NE AND N OF A LINE FROM 43N43W TO 50N47W TO 50N59W
WINDS 20 TO 30 KT. SEAS TO 3 M.
...GALE WARNING...
.24 HOUR FORECAST LOW 35N77W 1005 MB. WITHIN 180 NM SE SEMICIRCLE
WINDS 25 TO 35 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST LOW 40N57W 1002 MB. FROM 34N TO 42N BETWEEN 43W
AND 62W WINDS 25 TO 40 KT. SEAS TO 4 M.
.SYNOPSIS AND FORECAST.
.LOW WELL E OF AREA NEAR 61N17W 993 MB MOVING NE 05 KT. FROM 56N
TO 63N E OF 41W WINDS LESS THAN 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW WELL E OF AREA NEAR 62N15W 993 MB. N OF 59N
E OF 47W WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST CONDITIONS MOVED E OF AREA.
.LOW 38N52W 1013 MB MOVING SE 30 KT. WITHIN 300 NM S SEMICIRCLE
WINDS LESS THAN 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW 35N43W 1015 MB. CONDITIONS DIMINISHED.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 90 NM NE OF A
LINE 44N46W TO 48N53W TO 52N56W.
.24 HOUR FORECAST DENSE FOG FROM 42N TO 57N BETWEEN 53W AND 63W.
.48 HOUR FORECAST DENSE FOG FROM 42N TO 53N BETWEEN 43W AND 58W.
.FORECASTER POCHE. 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 1800 UTC THU JUN 18.
24 HOUR FORECAST VALID 1800 UTC FRI JUN 19.
48 HOUR FORECAST VALID 1800 UTC SAT JUN 20.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC 24 HOUR FORECAST N OF 30N W OF 74W SW WINDS 20 TO 25 KT.
SEAS
LESS THAN 2.5 M.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.CARIBBEAN FROM 11N TO 18N BETWEEN 70W AND 78W...INCLUDING THE
GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS TO 2.5 M.
FROM
15N TO 17N BETWEEN 80W AND 84W E TO SE WINDS 20 TO 25 KT. SEAS
LESS
THAN 2.5 M.
.24 HOUR FORECAST FROM 11N TO 17.5N BETWEEN 68W AND
77W...INCLUDING
THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS TO 2.5 M.
.42 HOUR FORECAST FROM 11N TO 17.5N BETWEEN 70W AND
80W...INCLUDING
THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO
3.0
M. FROM 11N TO 15N BETWEEN 68W AND 70W E WINDS 20 TO 25 KT. SEAS
LESS THAN 2.5 M.
.48 HOUR FORECAST FROM 11N TO 17.5N BETWEEN 70W AND
80W...INCLUDING
THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO
3.0
M.
.CARIBBEAN 06 HOUR FORECAST S OF 20N W OF 85W...INCLUDING THE
GULF
OF HONDURAS...E TO SE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST S OF 19N W OF 85W...INCLUDING THE GULF OF
HONDURAS...E TO SE WINDS 20 TO 25 KT. SEAS TO 2.5.
.30 HOUR FORECAST S OF 19N W OF 85W...INCLUDING THE GULF OF
HONDURAS...E TO SE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.GULF OF AMERICA FROM 22N TO 30N BETWEEN 87W AND 92W SE TO S
WINDS
20 TO 25 KT. SEAS 2.5 M. FROM 22N TO 26N BETWEEN 92W AND
94W...AND S
OF 22N W OF 94W SE TO S WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.30 HOUR FORECAST FROM 20N TO 23N BETWEEN 87W AND 90.5W E TO SE
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.36 HOUR FORECAST FROM 21N TO 24W BETWEEN 88W AND 92W E TO SE
WINDS
20 TO 25 KT. SEAS LESS THAN 2.5 M.
.42 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.
$$