747
FZNT01 KWBC 162134
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC THU OCT 16 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 16.
24 HOUR FORECAST VALID 1800 UTC OCT 17.
48 HOUR FORECAST VALID 1800 UTC OCT 18.

.WARNINGS.

...STORM WARNING...
.LOW 39N60W 994 MB MOVING NW 10 KT THEN TURNING SW IN 12 HOURS.
FROM 31N TO 45N BETWEEN 64W AND 77W WINDS 20 TO 30 KT. SEAS TO 3
M.
.06 HOUR FORECAST LOW 39N60W 993 MB. S OF 45N BETWEEN 65W AND 76W
WINDS 25 TO 35 KT. SEAS TO 4 M.
.18 HOUR FORECAST LOW 40N64W 987 MB. WITHIN 180 NM NW SEMICIRCLE
WINDS 40 TO 50 KT. SEAS 4 TO 8 M.
.24 HOUR FORECAST LOW 37N64W 984 MB. WITHIN 300 NM NW QUADRANT
WINDS 35 TO 50 KT. SEAS 5 TO 9 M. ELSEWHERE WITHIN 480 NM N
SEMICIRCLE AND 600 NM SW QUADRANT WINDS 25 TO 35 KT. SEAS 3 TO 6
M. ALSO S OF 45N BETWEEN 55W AND 76W WINDS TO 25 KT. SEAS TO 4
M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 39N56W 985 MB. S
OF 45N BETWEEN 42W AND 65W WINDS 25 TO 40 KT. SEAS 3 TO 7
M...HIGHEST W OF LOW CENTER. ELSEWHERE WITHIN 660 NM N AND 840 NM
S SEMICIRCLES WINDS TO 25 KT. SEAS TO 4 M.

...GALE WARNING...
.LOW 37N53W 989 MB MOVING NE 25 KT. S OF 40N BETWEEN 42W AND 56W
WINDS 25 TO 35 KT. SEAS TO 4 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN LOW E OF AREA. E OF A
LINE FROM 43N35W TO 31N52W WINDS 25 TO 35 KT. SEAS TO 4 M.
.48 HOUR FORECAST LOW E OF AREA AND REMAINING CONDITIONS ABSORBED
BY LOW 39N56W DESCRIBED ABOVE.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 46N TO 58N
BETWEEN 35W AND 57W.
.24 HOUR FORECAST DENSE FOG FROM 48N TO 58N BETWEEN 48W AND 60W.
.48 HOUR FORECAST DENSE FOG FROM 48N TO 58N BETWEEN 52W AND 61W.

.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 THU OCT 16.
24 HOUR FORECAST VALID 1800 UTC FRI OCT 17.
48 HOUR FORECAST VALID 1800 UTC SAT OCT 18.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC N OF 25N E OF 37W SW WINDS 20 TO 25 KT. SEAS 3 TO 4 M.
ELSEWHERE N OF 24N E OF 40W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M
IN MIXED SWELL.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.ATLC COLD FRONT FROM 31N56W TO 20N70W. N OF 26N W OF FRONT TO
77W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN N TO NE SWELL. N OF
23N E
OF FRONT TO A LINE FROM 31N45W TO 23N50W SW WINDS 20 TO 30 KT.
SEAS
2.5 TO 3 M. FROM 19N TO 23N BETWEEN 55W AND 60W SW WINDS 20 TO
25 KT.
SEAS LESS THAN 2.5 M. ELSEWHERE N OF 24N BETWEEN 40W AND 55W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN MIXED N AND SE SWELL.
.24 HOUR FORECAST REINFORCING COLD FRONT FROM 31N56W TO 23N80W. N
OF 27N W OF FRONT TO 72W W TO NW WINDS 20 TO 30 KT. SEAS 3 TO 4
M.
ELSEWHERE N OF 27N W OF FRONT TO 77W WINDS 20 KT OR LESS. SEAS
2.5 TO 3 M IN N TO NE SWELL. N OF 22N E OF FRONT TO A LINE FROM
31N40W TO 22N55W SW WINDS 20 TO 30 KT. SEAS 2.5 TO 3 M...EXCEPT
3 TO 4 M
N OF 26N BETWEEN 48W AND 53W.
.48 HOUR FORECAST COLD FRONT FROM 31N51W TO 24N60W TO 22N77W. N
OF 27N W OF FRONT AND N OF A LINE FROM 27N58W TO 31N67W W TO NW
WINDS 20 TO 30 KT. SEAS 3 TO 5.5 M IN NW TO N SWELL. ELSEWHERE N
OF 25N
W OF FRONT TO 74W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN NW TO
N
SWELL...EXCEPT 3 TO 4 M N OF 28N BETWEEN 60W AND 70W. N OF 25N E
OF FRONT TO A LINE FROM 31N43W TO 25N50W SW WINDS 20 TO 30 KT.
SEAS
2.5 TO 3 M...EXCEPT 3 TO 4 M N OF 28N E OF FRONT TO A LINE FROM
31N46W TO 28N50W. ELSEWHERE N OF 22N E OF FRONT TO A LINE FROM
31N40W TO

22N52W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN SW TO W SWELL.

.ATLC 30 HOUR FORECAST FROM 11N TO 14N BETWEEN 42 W AND 48W E TO
SE WINDS 20 TO 25 KT. SEAS 2.5 M.
.42 HOUR FORECAST FROM 11N TO 15N BETWEEN 45W AND 54W NE TO E
WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN N SWELL.
.48 HOUR FORECAST FROM 10N TO 15N 45W AND 50W E TO SE WINDS 20 TO
30 KT. SEAS 2.5 TO 3 M. FROM 11N TO 13N BETWEEN 50W AND 55W E
WINDS
20 TO 25 KT. SEAS 2.5 M.

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


.FORECASTER GR. NATIONAL HURRICANE CENTER.

$$