HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC WED OCT 14 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).
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 0000 UTC OCT 14.
24 HOUR FORECAST VALID 0000 UTC OCT 15.
48 HOUR FORECAST VALID 0000 UTC OCT 16.
.WARNINGS.
...GALE WARNING...
.LOW 60N39W 976 MB MOVING SE 20 KT. WITHIN 120 NM OF E GREENLAND
COAST N OF 60N...AND WITHIN 360 NM EITHER SIDE OF A LINE FROM
50N35W TO 54N45W TO 62N56W WINDS 25 TO 40 KT. SEAS 3 TO 7.5
M...HIGHEST NEAR 52N47W. ELSEWHERE FROM 43N TO 50N E OF 50W...AND
N OF 50N E OF 65W WINDS TO 25 KT. SEAS 2.5 TO 5 M.
.24 HOUR FORECAST LOW DISSIPATED E OF AREA AND NEW LOW TO FORM
NEAR 61N41W 989 MB. BETWEEN 90 NM AND 300 NM S AND SW QUADRANTS
WINDS 35 TO 45 KT. SEAS 4 TO 6.5 M. ALSO WITHIN 660 NM S QUADRANT
WINDS 25 TO 35 KT. SEAS 3 TO 5.5 M. ELSEWHERE FROM 40N TO 61N E
OF 51W WINDS TO 25 KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST LOW DISSIPATED. FROM 58N TO 61N E OF 43W AREA
OF SW TO W WINDS 25 TO 35 KT. SEAS 3 TO 5.5 M. ELSEWHERE FROM 57N
TO 62N E OF 44W AREA OF S TO SW WINDS TO 25 KT. SEAS TO 3 M.
...GALE WARNING...
.LOW 39N44W 1009 MB MOVING E 25 KT. WITHIN 240 NM SE SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 3 TO 5.5 M. ELSEWHERE FROM 34N TO 43N E
OF 61W WINDS TO 25 KT. SEAS 2.5 TO 4.5 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 34N51W 1013
MB. FROM 33N TO 40N E OF 57W WINDS TO 25 KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST LOW AND CONDITIONS DESCRIBED WITH LOW 52N51W
BELOW.
...GALE WARNING...
.06 HOUR FORECAST LOW INLAND NEAR 44N73W 1004 MB. WITHIN 480 NM
SE SEMICIRCLE WINDS TO 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 47N62W 998 MB. WITHIN 300 NM E SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 360 NM NE
QUADRANT AND 420 NM SE SEMICIRCLE WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER NEAR 52N51W 985
MB. FROM 40N TO 56N BETWEEN 43W AND 58W WINDS 35 TO 45 KT. SEAS 3
TO 6.5 M...HIGHEST E AND SW OF MEAN CENTER. ALSO FROM 36N TO 58N
E OF 64W WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE...EXCEPT
WHERE OTHERWISE DESCRIBED...S OF 60N E OF 66W WINDS TO 25 KT.
SEAS 2.5 TO 3.5 M.
.SYNOPSIS AND FORECAST.
.48 HOUR FORECAST NEW LOW NEAR 61N56W 992 MB. N OF 54N W OF 50W
WINDS 20 TO 30 KT. SEAS TO 3 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 58N E OF
43W...AND FROM 41N TO 47N W OF 62W.
.24 HOUR FORECAST DENSE FOG FROM 42N TO 52N W OF 54W...AND N OF
62N W OF GREENLAND.
.48 HOUR FORECAST DENSE FOG N OF 45N BETWEEN 45W AND 64W.
.LIGHT FREEZING SPRAY N OF 62N W OF 60W.
.24 HOUR FORECAST LIGHT FREEZING SPRAY N OF 65N WITHIN 60 NM OF
THE CANADIAN COAST...AND N OF 65N E OF GREENLAND.
.48 HOUR FORECAST LIGHT FREEZING SPRAY WITHIN 90 NM OF E
GREENLAND COAST N OF 65N...AND NW OF A LINE FROM 61N65W TO
67N60W.
.FORECASTER ANDERSON. 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 0000 UTC WED OCT 14.
24 HOUR FORECAST VALID 0000 UTC THU OCT 15.
48 HOUR FORECAST VALID 0000 UTC FRI OCT 16.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC WITHIN 27N35W TO 25N38W TO 23N38W TO 20N37W TO 20N35W TO
27N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE SWELL.
.24 HOUR FORECAST WITHIN 28N35W TO 27N38W TO 23N39W TO 21N37W TO
22N35W TO 28N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E
SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.ATLC 36 HOUR FORECAST WITHIN 31N35W TO 31N52W TO 30N50W TO
29N43W TO 30N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0
M IN N SWELL.
.48 HOUR FORECAST WITHIN 31N35W TO 31N53W TO 25N37W TO 27N35W TO
31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.FORECASTER ERA. NATIONAL HURRICANE CENTER.
$$