FZNT01 KWBC 161600

HSFAT1



HIGH SEAS FORECAST FOR METAREA IV

NWS OCEAN PREDICTION CENTER WASHINGTON DC

1630 UTC FRI OCT 16 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC OCT 16.

24 HOUR FORECAST VALID 1200 UTC OCT 17.

48 HOUR FORECAST VALID 1200 UTC OCT 18.



.WARNINGS.



...STORM WARNING...

.LOW 53N49W 972 MB MOVING NE 15 KT. WITHIN 420 NM SE AND BETWEEN

60 NM AND 300 NM SW QUADRANTS WINDS 35 TO 50 KT. SEAS 5.5 TO 7.5

M...HIGHEST NEAR 49N50W. ELSEWHERE WITHIN 540 NM NE...720 NM

SE...900 NM SW AND NW QUADRANTS WINDS 25 TO 40 KT. SEAS 3 TO 6 M.

.24 HOUR FORECAST LOW 60N42W 968 MB. BETWEEN 120 NM AND 420 NM S

SEMICIRCLE WINDS 35 TO 50 KT. SEAS 5 TO 8 M...HIGHEST NEAR

57N43W. ELSEWHERE FROM 53N TO 60N E OF 50W AND N OF 60N E OF

GREENLAND WINDS 25 TO 40 KT. SEAS 3.5 TO 7 M...HIGHEST NEAR

62N35W.

.48 HOUR FORECAST LOW 65N35W 970 MB. BETWEEN 120 NM AND 420 NM SW

QUADRANT...FROM 45N TO 60N E OF 48W AND FROM 60N TO 62N E OF

GREENLAND WINDS 30 TO 45 KT. SEAS 4 TO 8 M...HIGHEST NEAR 35W.

ELSEWHERE FROM 45N TO 60N E OF 50 W WINDS 20 TO 30 KT. SEAS 3.5

TO 6 M IN MIXED SWELL.



...STORM WARNING...

.24 HOUR FORECAST NEW LOW 36N72W 1010 MB. WITHIN 480 NM NE AND

300 NM NW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 3 M.

.30 HOUR FORECAST LOW 35N73W 1010 MB. WITHIN 300 NM NW QUADRANT

WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.

.42 HOUR FORECAST LOW 34N72W 1010 MB. WITHIN 120 NM NW QUADRANT

WINDS 35 TO 50 KT. SEAS 4 TO 7 M.

.48 HOUR FORECAST LOW 34N72W 1012 MB. WITHIN 300 NM NW AND 600 NM

NE QUADRANTS WINDS 30 TO 45 KT. SEAS 3.5 TO 7 M.



...GALE WARNING...

.INLAND LOW 45N78W 1000 MB MOVING NE 40 KT. N OF 37N W OF 65W

WINDS TO 25 KT. SEAS TO 2.5 M.

18 HOUR FORECAST LOW 48N63W 990 MB. WITHIN 420 NM SE QUADRANT

WINDS 25 TO 35 KT. SEAS TO 3.5 M.

.24 HOUR FORECAST LOW 50N59W 988 MB. WITHIN 480 NM E...600 NM SE

AND 1140 NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 4

M...HIGHEST NEAR 42N60W.

.48 HOUR FORECAST LOW ABSORBED AND CONDITIONS DESCRIBED ABOVE

WITH LOW 65N35W.



...GALE WARNING...

.LOW 65N55W 991 MB MOVING NE 15 KT. N OF 60N W OF GREENLAND WINDS

25 TO 35 KT. SEAS TO 3.5 M.

.24 HOUR FORECAST LOW DISSIPATED N OF AREA. CONDITIONS DESCRIBED

ABOVE IN FIRST STORM WARNING.



.SYNOPSIS AND FORECAST.



.LOW 65N35W 1003 MB MOVING NE 10 KT. N OF 60N E OF GREENLAND

WINDS TO 25 KT. SEAS TO 3 M.

.24 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS

DIMINISHED.



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 180 NM W OF A

LINE FROM 49N47W TO 60N48W...FROM 60N TO 64N E OF 53W TO W

GREENLAND...FROM 63N TO 66N W OF GREENLAND AND FROM 60N TO 63N W

OF 40W TO E GREENLAND.

.24 HOUR FORECAST DENSE FOG WITHIN 120 NM W AND NW OF A LINE FROM

43N60W TO 47N55W...FROM 50N TO 54N W OF 51W...WITHIN 90 NM W OF

GREENLAND FROM 60N TO 63N AND WITHIN 90 NM E OF GREENLAND N OF

60N.

.48 HOUR FORECAST DENSE FOG WITHIN 120 NM NW AND N OF A LINE FROM

37N59W TO 52N35W...WITHIN 90 NM N OF A LINE FROM 55N50W TO 56N61W

AND N OF 62N E OF GREENLAND.



.48 HOUR FORECAST LIGHT FREEZING SPRAY NW AND N OF A LINE FROM

60N60W TO 64N56W TO 67N57W.



.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 1200 UTC FRI OCT 16.

24 HOUR FORECAST VALID 1200 UTC SAT OCT 17.

48 HOUR FORECAST VALID 1200 UTC SUN OCT 18.



.WARNINGS.



...GULF OF AMERICA GALE WARNING...

.03 HOUR FORECAST COLD FRONT FROM 30N93W TO 26N97W. W OF FRONT N

WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.

.06 HOUR FORECAST COLD FRONT FROM 30N91W TO 26N96W TO 21N97W. W

OF FRONT N WINDS 20 TO 30 KT. SEAS BUILDING TO 2.5 M.

.18 HOUR FORECAST COLD FRONT FROM 30N84W TO 24N94W TO 19N96W.

FROM 21.5W TO 26W W OF 96W N WINDS 30 TO 35 KT. SEAS 3.5 TO 4.0

M.

ELSEWHERE W OF FRONT N TO NE WINDS 20 TO 30 KT WITH FREQUENT

GUSTS TO GALE FORCE. SEAS 2.5 TO 3.5 M.

.24 HOUR FORECAST COLD FRONT FROM 28N83W TO 22N95W TO 18.5N94W. S

OF 25N W OF 95W NW TO N WINDS 30 TO 45 KT. SEAS 4.0 TO 5.0 M.

ELSEWHERE NW OF FRONT N TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0

M.

.36 HOUR FORECAST COLD FRONT FROM 27N82W TO 22N89W TO 18.5N93W. S

OF 22N W OF 94W NW TO N WINDS 30 TO 45 KT. SEAS 4.0 TO 6.0 M.

ELSEWHERE NW OF FRONT TO A LINE FROM 29N90W TO 26N97W N TO NE

WINDS 20 TO 30 KT. SEAS 2.5 TO 4.0 M...EXCEPT 4.0 TO 5.0 M S OF

24N W OF 92W.

.48 HOUR FORECAST COLD FRONT FROM 25N80W TO 22N89W TO 18.5N93W. S

OF 21N W OF FRONT NW TO N WINDS 30 TO 35 KT. SEAS 4.0 TO 5.0 M.

ELSEWHERE NW OF FRONT TO A LINE FROM 30N87W TO 27N91W TO 23.5N97W

N TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 4.0 M.



.SYNOPSIS AND FORECAST.



.ATLC FROM 22N TO 25N E OF 36W SE WINDS 20 TO 25 KT. SEAS 2.5 TO

3.0 M. ELSEWHERE N OF 21N E OF 40W WINDS 20 KT OR LESS. SEAS 2.5

TO

3.0 M PRIMARILY IN N SWELL.

.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

.ATLC N OF 29N BETWEEN 42W AND 46W WINDS 20 KT OR LESS. SEAS 2.5

M IN N SWELL.

.24 HOUR FORECAST N OF 30N BETWEEN 46W AND 52W WINDS 20 KT OR

LESS. SEAS 2.5 TO 3.0 M IN N SWELL.

.48 HOUR FORECAST N OF 28N BETWEEN 37W AND 45W WINDS 20 KT OR

LESS. SEAS 2.5 TO 3.0 M IN N SWELL.



.CARIBBEAN FROM 11N TO 15N BETWEEN 70W AND 77W...INCLUDING THE

GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M

OFFSHORE COLOMBIA.

.24 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.



$$