FZNT01 KWBC 150958
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC THU OCT 15 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC OCT 15.
24 HOUR FORECAST VALID 0600 UTC OCT 16.
48 HOUR FORECAST VALID 0600 UTC OCT 17.

.WARNINGS.

...STORM WARNING... 
.LOW 47N59W 993 MB MOVING NE 20 KT. FROM 36N TO 50N BETWEEN 47W
AND 72W WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M.
.24 HOUR FORECAST LOW 50N49W 978 MB. WITHIN 300 NM W SEMICIRCLE
AND E QUADRANT WINDS 35 TO 50 KT. SEAS 3 TO 6.5 M.
ELSEWHERE...EXCEPT WHERE DESCRIBED BELOW...S OF 50N E OF 64W
WINDS 25 TO 40 KT. SEAS 2.5 TO 6.5 M...HIGHEST NEAR 44N54W AND
54N47W. 
.48 HOUR FORECAST LOW 59N44W 974 MB. WITHIN 180 NM NW QUADRANT
AND WITHIN 240 NM W AND SW OF A LINE FROM 60N48W TO 50N36W WINDS
35 TO 50 KT. SEAS 4.5 TO 9 M. ELSEWHERE E OF A LINE FROM 67N66W
TO 39N43W WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M...EXCEPT FROM 42N TO
62N E OF 52W SEAS 4.5 TO 8 M. ALSO...EXCEPT WHERE DESCRIBED
BELOW...S OF 60N E OF 63W WINDS LESS THAN 25 KT. SEAS 2.5 TO 5
M.

...GALE WARNING... 
.FROM 55N TO 60N E OF 45W WINDS 30 TO 45 KT. SEAS 4 TO 6.5 M.
ELSEWHERE E OF A LINE FROM 61N50W TO 49N40W AND FROM 64N TO 66N
BETWEEN GREENLAND COAST AND 35W WINDS 25 TO 35 KT. SEAS 3 TO 5.5
M. ALSO...EXCEPT WHERE OTHERWISE DESCRIBED...S OF 66N E OF
54W...NOT INCLUDING THE WATERS W OF GREENLAND...WINDS LESS THAN
25 KT. SEAS 2.5 TO 4.5 M. 
.24 HOUR FORECAST LOW FROM 60N TO 63N E OF 42W WINDS 20 TO 30 KT.
SEAS 2.5 TO 4.5 M. ELSEWHERE N OF 63N E OF GREENLAND WINDS LESS
THAN 25 KT. SEAS TO 3 M.

...GALE WARNING...
.24 HOUR FORECAST LOW 64N56W 990 MB. WITHIN 480 NM SW QUADRANT
WINDS 25 TO 35 KT. SEAS TO 3.5 M. ELSEWHERE FROM 50N TO 66N W OF
46W WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW DISSIPATED. CONDITIONS DESCRIBED ABOVE WITH
FIRST WARNING. 

...GALE WARNING...
.48 HOUR FORECAST LOW 50N65W 992 MB. FROM 32N TO 51N BETWEEN 54W
AND 78W WINDS 25 TO 35 KT. SEAS TO 3 M.

.SYNOPSIS AND FORECAST.

.COMPLEX LOW WITH FIRST CENTER 36N56W 1010 MB MOVING NE 25
KT...SECOND CENTER 36N46W 1013 MB MOVING NE 15 KT...AND THIRD
CENTER 38N37W 1018 MB MOVING NE 15 KT. WITHIN 300 NM N OF FRONT
FROM FIRST CENTER TO SECOND CENTER TO THIRD CENTER 39N35W WINDS
TO 25 KT. SEAS 2.5 TO 4.5 IN MIXED SWELL.
.24 HOUR FORECAST COMPLEX LOW DISSIPATED. CONDITIONS DESCRIBED
ABOVE WITH FIRST WARNING.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 44N TO 48N
BETWEEN 56W AND 59W AND N OF 63N BETWEEN 53W AND 62W.
.24 HOUR FORECAST DENSE FOG N OF 46N BETWEEN 47W AND 62W.
.48 HOUR FORECAST DENSE FOG FROM 42N TO 46N BETWEEN 63W AND
68W...FROM 56N TO 62NBETWEEN 41W AND 50W...FROM 64N TO 66N W OF
55W...AND WITHIN 90 NM OF THE E GREENLAND COAST.

.LIGHT FREEZING SPRAY N OF 65N BETWEEN 37W AND 40W. 
.24 HOUR FORECAST LITTLE CHANGE. 
.48 HOUR FORECAST LIGHT FREEZING SPRAY N OF 59N W OF 62W.

.FORECASTER JOSEPH. 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 OCT 15.
24 HOUR FORECAST VALID 0600 UTC FRI OCT 16.
48 HOUR FORECAST VALID 0600 UTC SAT OCT 17.

.WARNINGS.

...GULF OF AMERICA GALE WARNING...
.36 HOUR FORECAST WITHIN 28N94W TO 30N94W TO28N97W TO 26N97W TO 
26N96W TO 27N95W TO 28N94W N TO NE WINDS 20 TO 30 KT. SEAS TO 2.5
M.
.48 HOUR FORECAST WITHIN 25N96W TO 25N98W TO 23N98W TO 21N97W TO
22N96W TO 25N96W N WINDS 30 TO 40 KT. SEAS 2.5 TO 4.0 M. 
ELSEWHERE WITHIN 30N85W TO 31N88W TO 30N95W TO 28N97W TO 25N98W 
TO 24N95W TO 30N85W N TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 28N35W TO 27N38W TO 26N40W TO 23N40W TO 23N35W TO
28N35W E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST CONDITIONS MERGED WITH AREA BELOW. 

.ATLC 24 HOUR FORECAST WITHIN 31N35W TO 31N48W TO 26N40W TO
25N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N
SWELL.
.48 HOUR FORECAST WITHIN 31N49W TO 31N57W TO 30N53W TO 30N51W TO
31N49W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO N SWELL.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.


.FORECASTER ERA. NATIONAL HURRICANE CENTER.

$$