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000
FZNT01 KWBC 180941
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC THU APR 18 2024

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

SECURITE

NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 0600 UTC APR 18.
24 HOUR FORECAST VALID 0600 UTC APR 19.
48 HOUR FORECAST VALID 0600 UTC APR 20.

.WARNINGS...

...GALE WARNING...
.COMPLEX LOW WITH FIRST CENTER 50N50W 1004 MB MOVING SW 10 KT
AND SECOND CENTER 43N49W 1001 MB MOVING NW 10 KT. WITHIN 300 NM
NW SEMICIRCLE OF FIRST CENTER WINDS 25 TO 35 KT. SEAS TO 12 FT.
ELSEWHERE WITHIN 240 NM E...540 NM S...AND 600 NM W QUADRANTS OF
SECOND CENTER WINDS 20 TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST COMBINED LOW 45N53W 999 MB. WITHIN 480 NM
N...360 NM E...AND 540 NM S QUADRANTS WINDS 25 TO 40 KT. SEAS 9
TO 16 FT.
.48 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS DESCRIBED BY
LOW 52N38W.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 37N68W 1010 MB. FROM 35N TO 40N
BETWEEN 64W AND 74W WINDS 25 TO 35 KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW 36N68W 1014 MB. WITHIN 240 NM N AND 420 NM
E QUADRANTS WINDS TO 25 KT. SEAS TO 8 FT.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 48N43W 998 MB. WITHIN 600 NM E AND NE
AND 840 NM S QUADRANTS WINDS 20 TO 30 KT. SEAS TO 10 FT.
.36 HOUR FORECAST LOW 51N41W 996 MB. WITHIN 420 NM W AND NW
QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST LOW 52N38W 996 MB. WITHIN 420 NM W SEMICIRCLE
WINDS 25 TO 40 KT. SEAS 9 TO 16 FT. ELSEWHERE FROM 36N TO 61N W
OF 50W WINDS 20 TO 30 KT. SEAS TO 11 FT.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 61N38W 1003 MB. FROM 57N TO 64N E OF
43W WINDS 20 TO 30 KT. SEAS TO 8 FT.
.36 HOUR FORECAST LOW 64N36W 995 MB. WITHIN 180 NM N AND 120 NM
W QUADRANTS WINDS 25 TO 40 KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW NE OF AREA WITH NEW LOW TO FORM NEAR
64N35W 995 MB. N OF 62N E OF 40W WINDS 25 TO 40 KT. SEAS 8 TO 12
FT.

.SYNOPSIS AND FORECAST.

.LOW 60N52W 1014 MB MOVING N 05 KT. WITHIN 300 NM W AND SW
QUADRANTS WINDS 20 TO 30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW 62N52W 1006 MB. WITHIN 360 NM W AND SW
QUADRANTS WINDS 20 TO 30 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW DISSIPATED. CONDITIONS DIMINISHED.

.LIGHT TO MODERATE FREEZING SPRAY N OF 56N W OF 54W.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 58N W OF
52W.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 60N W OF
GREENLAND.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 58N
BETWEEN 42W AND 56W AND FROM 58N TO 65N BETWEEN 50W AND 60W.
.24 HOUR FORECAST DENSE FOG WITHIN 240 NM NW OF A LINE FROM
47N45W TO 60N35W AND FROM 60N TO 65N BETWEEN 50W AND 56W.
.48 HOUR FORECAST DENSE FOG FROM 47N TO 62N BETWEEN 35W AND 43W.

.FORECASTER ACHORN. OCEAN PREDICTION CENTER.

NATIONAL HURRICANE CENTER MIAMI FL

ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF MEXICO

SYNOPSIS VALID 0600 UTC THU APR 18.
24 HOUR FORECAST VALID 0600 UTC FRI APR 19.
48 HOUR FORECAST VALID 0600 UTC SAT APR 20.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC LOW PRES NEAR 22N58W 1013 MB. WITHIN 26N49W TO 28N54W TO
24N60W TO 25N68W TO 22N70W TO 21N61W TO 26N49W E WINDS 20 TO 30
KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST LOW PRES NEAR 26N51W 1011 MB. WITHIN 28N42W TO
30N45W TO 28N54W TO 25N56W TO 23N49W TO 28N42W SE TO S WINDS 20
TO 30 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST LOW PRES NEAR 30N43W 1013 MB. WITHIN 30N39W TO
30N43W TO 28N47W TO 25N46W TO 25N44W TO 26N39W TO 30N39W SW TO W
WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.

.ATLC WITHIN 16N36W TO 17N56W TO 10N59W TO 06N53W TO 07N38W TO
16N36W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN E SWELL.
.24 HOUR FORECAST WITHIN 08N48W TO 09N50W TO 09N51W TO 08N53W TO
06N52W TO 07N48W TO 08N48W WINDS 20 KT OR LESS. SEAS 8 FT IN E
SWELL.
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.ATLC AND CARIBBEAN WITHIN 20N73W TO 20N77W TO 21N79W TO 21N83W
TO 19N82W TO 18N77W TO 20N73W NE TO E WINDS 20 TO 25 KT. SEAS
LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 20N73W TO 20N76W TO 19N77W TO 18N76W TO
18N74W TO 19N73W TO 20N73W NE WINDS 20 TO 25 KT. SEAS LESS THAN
8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.CARIBBEAN 18 HOUR FORECAST WITHIN 12N75W TO 11N75W TO 11N74W TO
12N75W NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.GULF OF MEXICO WITHIN 28N92W TO 29N95W TO 29N96W TO 27N97W TO
26N97W TO 26N93W TO 28N92W SE WINDS 20 TO 25 KT. SEAS LESS THAN
8 FT.
.24 HOUR FORECAST WITHIN 26N96W TO 26N97W TO 25N97W TO 26N96W SE
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.GULF OF MEXICO 18 HOUR FORECAST WITHIN 22N87W TO 23N90W TO
22N92W TO 21N91W TO 21N87W TO 22N87W NE TO E WINDS 20 TO 25 KT.
SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

$$
.FORECASTER DELGADO. NATIONAL HURRICANE CENTER.