High Seas Forecast - Western Atlantic, Caribbean and Gulf of Mexico
Expires:No;;199373
FZNT01 KWBC 152140
HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC WED OCT 15 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).
FROM OCTOBER 15 TO APRIL 1, DUE TO THE CLIMATOLOGY OF THE NORTH
ATLANTIC AND THE FREQUENCY AND VOLUME OF WEATHER HAZARDS, ALONG
WITH CUSTOMER FEEDBACK, HIGH SEAS FORECASTS WILL BE LIMITED TO
WINDS OF 25 TO 35 KNOTS AND HIGHER, AND SEAS OF 4 METERS OR
GREATER, ALONG WITH FREEZING SPRAY, DENSE FOG, VOLCANIC ASH,
AND ANYTHING TROPICAL (INCLUDING A DEPRESSION). LESSER
CONDITIONS WILL BE INCLUDED FOR WARNING CONDITIONS AND TO
PRESERVE CONTINUITY WHERE APPROPRIATE.
SECURITE
NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W
ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS
SYNOPSIS VALID 1800 UTC OCT 15.
24 HOUR FORECAST VALID 1800 UTC OCT 16.
48 HOUR FORECAST VALID 1800 UTC OCT 17.
.WARNINGS.
...STORM WARNING...
.24 HOUR FORECAST NEW LOW 43N64W 999 MB. N OF 31N W OF 63W WINDS
25 TO 35 KT. SEAS TO 4 M.
.48 HOUR FORECAST LOW ABSORBED BY NEW LOW 38N64W 984 MB. WITHIN
240 NM W SEMICIRCLE WINDS 40 TO 55 KT. SEAS 5 TO 8 M. ELSEWHERE S
OF 46N BETWEEN 48W AND 75W WINDS 25 TO 40 KT. SEAS 2.5 TO 6
M...HIGHEST WITHIN 300 NM W AND NW QUADRANTS. ALSO WITHIN THE
GULF OF SAINT LAWRENCE WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.
...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 34N62W 994 MB MOVING NE 15 KT. S OF
39N BETWEEN 53W AND 77W WINDS 25 TO 35 KT. SEAS TO 4 M.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 37N54W 989 MB AND
SECOND NEW CENTER 39N48W 991 MB. S OF 42N BETWEEN 39W AND 57W
WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST LOW 43N38W 999 MB WITH FIRST CENTER ABSORBED BY
LOW 38N64W DESCRIBED ABOVE. S OF 44N E OF 48W WINDS 20 TO 30 KT.
SEAS 2.5 TO 4.5 M.
...GALE WARNING...
.LOW 43N36W 991 MB MOVING NE 20 KT. WITHIN 420 NM S QUADRANT
WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M. ELSEWHERE WITHIN 540 NM SW
SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 4 M. ALSO FROM 33N TO 44N E
OF 51W WINDS LESS THAN 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW MOVED JUST E OF AREA 49N31W 990 MB. WITHIN
360 NM W QUADRANT AND FROM 51N TO 60N E OF 49W WINDS 20 TO 30 KT.
SEAS TO 4 M.
.48 HOUR FORECAST LOW E OF AREA NEAR 53N28W 981 MB. WITHIN 660 NM
NW QUADRANT WINDS TO 25 KT. SEAS TO 3.5 M.
...GALE WARNING...
.COMPLEX LOW WITH FIRST CENTER 33N32W 1003 MB MOVING NE 25 KT AND
SECOND CENTER 32N43W 1001 MB MOVING NE 25 KT. S OF 33N E OF 45W
WINDS 25 TO 35 KT. SEAS TO 4 M.
.24 HOUR FORECAST FIRST CENTER MOVED WELL E OF AREA AND SECOND
CENTER DISSIPATED. S OF 37N E OF 39W WINDS LESS THAN 25 KT. SEAS
TO 3.5 M.
.36 HOUR FORECAST LOW AND CONDITIONS DIMINISHED.
...GALE WARNING...
.LOW 48N41W 993 MB MOVING N 05 KT. WITHIN 540 NM NE QUADRANT
WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M. ELSEWHERE WITHIN 720 NM N AND
420 NM W QUADRANTS WINDS 20 TO 30 KT. SEAS TO 4 M.
.24 HOUR FORECAST LOW 48N46W 999 MB. CONDITIONS DIMINISHED.
...GALE WARNING...
.N OF 56N BETWEEN 51W AND 62W AREA OF S TO SE WINDS 25 TO 35 KT.
SEAS TO 3.5 M.
.24 HOUR FORECAST WITHIN 120 NM OF W GREENLAND COAST N OF 63N
AREA OF S WINDS TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST CONDITIONS DIMINISHED.
.SYNOPSIS AND FORECAST.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 180 NM NW OF
A LINE FROM 54N48W TO 58N41W TO 59N35W.
.24 HOUR FORECAST DENSE FOG FROM 50N TO 58N E OF 49W...WITHIN 240
NM SW OF A LINE FROM 47N46W TO 56N56W...AND FROM 60N TO 66N
BETWEEN 53W AND 56W.
.48 HOUR FORECAST DENSE FOG FROM 49N TO 58N BETWEEN 41W AND 59W
AND WITHIN 60 NM OF 63N52W.
.FORECASTER KREKELER. 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 WED OCT 15.
24 HOUR FORECAST VALID 1800 UTC THU OCT 16.
48 HOUR FORECAST VALID 1800 UTC FRI OCT 17.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.REMNANTS OF LORENZO NEAR 23.1N 42.5W 1006 MB AT 2100 UTC OCT 15
MOVING NE OR 035 DEG AT 16 KT. MAXIMUM SUSTAINED WINDS 30 KT
GUSTS 40 KT. SEAS TO 4 M WITHIN 45 NM NE QUADRANT AND 60 NM SE
QUADRANT.
ELSEWHERE WITHIN 90 NM E SEMICIRCLE WINDS 20 TO 30 KT. SEAS 2.5
TO 3 M. REMAINDER OF THE AREA FROM 20N TO 24N BETWEEN 41W AND 46W
WINDS 20 KT OR LESS. SEAS 2.5 M IN MIXED SWELL.
.12 HOUR FORECAST...DISSIPATED.
.ATLC TROUGH FROM 31N46W TO 25N49W. N OF 25N E OF TROUGH TO 35W
SW WINDS 20 TO 30 KT...WITH HIGHER GUSTS. SEAS 2.5 TO 3.0
M...EXCEPT
3 TO 4 M N OF 28N BETWEEN 41W AND 45W. ELSEWHERE N OF 24N E OF
50W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN MIXED SWELL.
.24 HOUR FORECAST TROUGH DISSIPATED. N OF 24N E OF 40W WINDS 20
KT OR LESS. SEAS 2.5N TO 3 M IN NW SWELL.
.48 HOUR FORECAST CONDITIONS MERGED WITH COLD FRONT BELOW.
.ATLC COLD FRONT FROM 31N60W TO 23N80W. N OF 28N W OF FRONT TO
72W W TO NW WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE N OF
27N
W OF FRONT TO 78W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN N
SWELL.
N OF 27N E OF FRONT TO 55W SW WINDS 20 TO 30 KT...WITH HIGHER
GUSTS. SEAS 2.5 TO 3 M.
.24 HOUR FORECAST COLD FRONT FROM 31N58W TO 22N75W. REINFORCING
FRONT FROM 31N68W TO 27N80W. N OF REINFORCING FRONT NW TO N
WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M. ELSEWHERE N OF 27N W OF MAIN
FRONT
TO 77W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN NW TO N SWELL. N
OF
22N E OF MAIN FRONT TO A LINE FROM 31N45W TO 22N51W SW WINDS 20
TO
30 KT...WITH HIGHER GUTS. SEAS 2.5 TO 3 M... EXCEPT 3 TO 4 M N OF
28N BETWEEN 52W AND 56W.
.48 HOUR FORECAST COLD FRONT FROM 31N58W TO 23N80W. N OF 26N W OF
FRONT TO 73W W TO NW WINDS 20 TO 30 KT...WITH HIGHER GUSTS. SEAS
2.5 TO 3 M...EXCEPT 3 TO 4 M BETWEEN 64W AND 68W. ELSEWHERE N
OF 26N
W OF FRONT TO 75W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN N TO
NE
SWELL. N OF 21N E OF FRONT TO A LINE FROM 31N41W TO 21N55W SW
WINDS 20 TO 30 KT. SEAS 2.5 TO 3 M...EXCEPT 3 TO 4 M N OF 26N
BETWEEN
47W AND 52W.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.FORECASTER GR. NATIONAL HURRICANE CENTER.
$$
