HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC THU NOV 20 2025
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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 NOV 20.
24 HOUR FORECAST VALID 0600 UTC NOV 21.
48 HOUR FORECAST VALID 0600 UTC NOV 22.
.WARNINGS.
...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 62N39W 993 MB DRIFTING N 05 KT.
WITHIN 90 NM NW QUADRANT WINDS 35 TO 45 KT. SEAS 4 TO 5 M.
ELSEWHERE N OF 57N E OF 44W WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M.
.24 HOUR FORECAST LOW 63N40W 990 MB. WITHIN 60 NM NW OF A LINE
FROM 63N39W TO 65N35W WINDS 35 TO 45 KT. SEAS 4 TO 5.5 M.
ELSEWHERE N OF 62N E OF GREENLAND...AND WITHIN 420 NM SE AND S OF
A LINE FROM 63N35W TO 59N47W TO 58N62W WINDS 25 TO 35 KT. SEAS 3
TO 5 M.
.48 HOUR FORECAST LOW 60N35W 996 MB. N OF 53N E OF 42W WINDS 20
TO 30 KT. SEAS 3 TO 4.5 M.
...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 61N62W 989 MB MOVING E 10 KT. N OF
64N W OF 59W...AND FROM 49N TO 56N W OF 38W WINDS 20 TO 30 KT.
SEAS 3 TO 4.5 M.
.06 HOUR FORECAST LOW 61N61W 991 MB. FROM 51N TO 56N BETWEEN 46W
AND 56W WINDS 25 TO 35 KT. SEAS 3.5 TO 4.5 M.
.24 HOUR FORECAST LOW 60N52W 998 MB. CONDITIONS MERGED WITH LOW
63N40W DESCRIBED ABOVE.
...GALE WARNING...
.24 HOUR FORECAST NEW LOW 38N50W 1015 MB. WITHIN 240 NM S
SEMICIRCLE WINDS 20 TO 30 KT. SEAS LESS THAN 4 M.
.42 HOUR FORECAST LOW 43N46W 1011 MB. WITHIN 180 NM SE SEMICIRCLE
WINDS 25 TO 35 KT. SEAS TO 4 M.
.48 HOUR FORECAST LOW 44N45W 1009 MB. WITHIN 180 NM SE SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M. ELSEWHERE S OF 46N BETWEEN
38W AND 47W WINDS TO 25 KT. SEAS TO 4 M.
.SYNOPSIS AND FORECAST.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 58N W OF
57W...WITHIN 90 NM OF GREENLAND E COAST FROM 59N TO 65N...AND
FROM 62N TO 64N E OF 40W.
.24 HOUR FORECAST DENSE FOG FROM 63N TO 66N W OF 60W...AND WITHIN
90 NM OF GREENLAND W COAST FROM 61N TO 65N.
.48 HOUR FORECAST DENSE FOG WITHIN 60 NM OF GREENLAND W COAST N
OF 61N.
.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 0600 UTC THU NOV 20.
24 HOUR FORECAST VALID 0600 UTC FRI NOV 21.
48 HOUR FORECAST VALID 0600 UTC SAT NOV 22.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC WITHIN 31N35W TO 30N42W TO 31N46W TO 28N47W TO 30N42W TO
30N36W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW
SWELL.
.24 HOUR FORECAST WITHIN 31N35W TO 31N48W TO 30N46W TO 30N40W TO
28N39W TO 27N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0
M IN PRIMARILY NW SWELL.
.48 HOUR FORECAST WITHIN 31N35W TO 31N47W TO 29N45W TO 28N41W TO
24N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N
SWELL.
.CARIBBEAN WITHIN 12N75W TO 12N76W TO 12N77W TO 11N77W TO 11N75W
TO 11N74W TO 12N75W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0
M.
.15 HOUR FORECAST CONDITIONS IMPROVE.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.
$$