773
FZNT01 KWBC 040410
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC SAT OCT 04 2025

CCODE/2:31:04:01:00/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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 04.
24 HOUR FORECAST VALID 0000 UTC OCT 05.
48 HOUR FORECAST VALID 0000 UTC OCT 06.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW 40N49W 978 MB MOVING NE 15 KT. WITHIN 180 NM NW...120 NM
SW...150 NM SE...AND 120 NM E QUADRANTS WINDS 50 TO 65 KT. SEAS 6
TO 11.5 M. ELSEWHERE WITHIN 240 NM N...180 NM W...240 NM SW...180
NM S...AND 240 NM E QUADRANTS WINDS 35 TO 50 KT. SEAS 4 TO 8 M.
ALSO WITHIN 300 NM N...420 NM W...480 NM SW...600 NM SE...AND 660
NM NE QUADRANTS WINDS 25 TO 40 KT. SEAS 2.5 TO 7 M...HIGHEST SW
OF CENTER. OTHERWISE FROM 31N TO 40N BETWEEN 40W AND 63W WINDS TO
25 KT. SEAS 2.5 TO 5 M.
.24 HOUR FORECAST LOW 45N44W 988 MB. WITHIN 180 NM SW AND SE
SEMICIRCLE WINDS 35 TO 50 KT. SEAS 4 TO 9 M...HIGHEST SE OF
CENTER. ELSEWHERE FROM 37N TO 50N E OF 50W WINDS 25 TO 35 KT.
SEAS 3 TO 7 M...HIGHEST S OF CENTER. ALSO FROM 31N TO 55N E OF
60W WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M...HIGHEST FROM 31N TO 49N
E OF 52W.
.48 HOUR FORECAST LOW E OF AREA NEAR 50N32W 989 MB. WITHIN 240 NM
W SEMICIRCLE WINDS 30 TO 45 KT. SEAS 4.5 TO 7 M. ELSEWHERE FROM
42N TO 53N E OF 50W WINDS 25 TO 35 KT. SEAS 3 TO 6 M.

...STORM WARNING...
.FROM 50N TO 60N E OF 65W WINDS 20 TO 30 KT. SEAS TO 4 M.
.24 HOUR FORECAST NEW LOW E OF AREA NEAR 64N33W 991 MB. FROM 50N
TO 62N E OF 50W...AND FROM 50N TO 63N BETWEEN 50W AND 65W WINDS
25 TO 35 KT. SEAS TO 4 M.
.48 HOUR FORECAST LOW NE OF AREA NEAR 65N33W 976 MB. WITHIN 180
NM S OF A LINE FROM 57N37W TO 61N48W WINDS 35 TO 50 KT. SEAS 4 TO
7 M. ELSEWHERE N OF 53N E OF 51W WINDS 25 TO 35 KT. SEAS 3 TO 6
M...HIGHEST FROM 55N TO 60N E OF 47W.

...GALE WARNING...
.LOW N OF AREA NEAR 68N59W 973 MB MOVING NE 10 KT. N OF 60N W OF
GREENLAND WINDS 25 TO 35 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST LOW N AND CONDITIONS N OF AREA.

.SYNOPSIS AND FORECAST.

.S OF 35N W OF 70W AREA OF NE TO E WINDS 20 TO 30 KT. SEAS TO 4
M.
.24 HOUR FORECAST S OF 34N W OF 70W AREA OF E WINDS 20 TO 30 KT.
SEAS TO 4 M.
.48 HOUR FORECAST S OF 34N W OF 70W AREA OF E WINDS 20 TO 30 KT.
SEAS TO 4 M.

.48 HOUR FORECAST NEW LOW 40N44W 1013 MB. FROM 35N TO 42N BETWEEN
43W AND 52W WINDS 20 TO 30 KT. SEAS TO 3.5 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 61N BETWEEN 41W
AND GREENLAND.
.24 HOUR FORECAST DENSE FOG FROM 50N TO 54N E OF 40W...N OF 64N E
OF 38W...AND FROM 46N TO 48N BETWEEN 44W AND 46W.
.48 HOUR FORECAST CONDITIONS IMPROVED.

.FORECASTER EHRBAR. 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 SAT OCT 4.
24 HOUR FORECAST VALID 0000 UTC SUN OCT  5.
48 HOUR FORECAST VALID 0000 UTC MON OCT  6.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC STATIONARY FRONT FROM 24N61W TO LOW PRES NEAR 24N76.5W
1011 MB TO 24N80W. WITHIN 26N75W TO 27N77W TO 26N79W TO 25N79W
TO 26N78W TO 26N76W TO 26N75W...INCLUDING ATLANTIC EXPOSURES...
NE TO E WINDS 20 TO 30 KT. ATLANTIC WATERS SEAS 3.0 TO 4.0 M IN
NE TO E SWELL. WITHIN 30N75W TO 30N77W TO 29N77W TO 29N76W TO
28N75W TO 28N73W TO 30N75W E WINDS 20 TO 25 KT. SEAS 3.5 TO 4.0
M IN NE SWELL. ELSEWHERE WITHIN 31N60W TO 30N75W TO 28N80W TO
18N68W TO 18N60W TO 31N60W...INCLUDING IN ATLANTIC EXPOSURES AND
PASSAGES...WINDS 20 KT OR LESS. SEAS 2.5 TO 5.0 M IN N TO NE
SWELL.
.24 HOUR FORECAST LOW PRES NEAR 24.5N78W 1011 MB. WITHIN 31N76W
TO 30N78W TO 30N80W TO 28N80W TO 29N77W TO 28N74W TO 31N76W E
WINDS 20 TO 25 KT. SEAS 3.0 TO 3.5 M IN NE TO E SWELL. ELSEWHERE
WITHIN 31N55W TO 31N81W TO 27N80W TO 19N68W TO 14N55W TO
31N55W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES...WINDS 20
KT OR LESS. SEAS 2.5 TO 4.0 M IN N TO NE SWELL.
.48 HOUR FORECAST LOW PRES NEAR 26N81W 1012 MB. WITHIN 31N75W TO
30N77W TO 31N80W TO 30N81W TO 29N79W TO 28N70W TO 31N75W E WINDS
20 TO 25 KT. SEAS 3.0 TO 3.5 M IN NE TO E SWELL. ELSEWHERE
WITHIN 31N55W TO 31N81W TO 18N68W TO 17N62W TO 11N55W TO
31N55W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES...WINDS 20
KT OR LESS. SEAS 2.5 TO 3.5 M IN N TO NE SWELL.

.ATLC COLD FRONT 31N47W TO 26N55W. WITHIN 31N44W TO 31N47W TO
30N48W TO 29N48W TO 30N45W TO 31N44W SW WINDS 20 TO 30 KT. SEAS
4.0 TO 5.5 M IN W SWELL. ELSEWHERE WITHIN 31N40W TO 31N60W TO
18N60W TO 26N45W TO 31N40W...INCLUDING IN ATLANTIC EXPOSURES AND
PASSAGES...WINDS 20 KT OR LESS. SEAS 2.5 TO 5.5 M IN NW SWELL.
.24 HOUR FORECAST WITHIN 31N35W TO 31N55W TO 14N55W TO 21N41W TO
31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN NW TO N SWELL.
.48 HOUR FORECAST WITHIN 22N38W TO 31N36W TO 31N55W TO 13N55W TO
07N48W TO 13N35W TO 22N38W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5
M IN NW TO N SWELL.

.GULF OF AMERICA WITHIN 29N88W TO 28N91W TO 29N90W TO 29N92W TO
28N93W TO 28N91W TO 29N88W NE TO E WINDS 20 TO 25 KT. SEAS TO 2.5
M. WITHIN 30N84W TO 28N84W TO 28N83W TO 30N84W NE TO E WINDS 20
TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 29N87W TO 29N94W TO 28N94W TO 28N93W TO
29N91W TO 29N87W E WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.36 HOUR FORECAST CONDITIONS IMPROVE. 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 STRIPLING. NATIONAL HURRICANE CENTER.

$$