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HIGH SEAS FORECAST FOR METAREA IV...UPDATED PART 2
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC WED APR 10 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

PLEASE SEE A PROPOSAL AND REQUEST FOR COMMENTS TO INCREASE THE
READABILITY OF THE HIGH SEAS FORECAST (WEB ADDRESS LOWERCASE).
HTTPS://OCEAN.WEATHER.GOV/PROPOSED_HIGH_SEAS_TROPICAL.PHP

SECURITE

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

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 1200 UTC APR 10.
24 HOUR FORECAST VALID 1200 UTC APR 11.
48 HOUR FORECAST VALID 1200 UTC APR 12.

.WARNINGS.

...STORM WARNING...
.LOW 47N42W 980 MB MOVING NE 25 KT. WITHIN 360 NM SE SEMICIRCLE
AND SW QUADRANT WINDS 40 TO 55 KT. SEAS 19 TO 30 FT. ELSEWHERE
FROM 41N TO 50N E OF 55W WINDS 25 TO 40 KT. SEAS 12 TO 19 FT.
.24 HOUR FORECAST LOW AND CONDITIONS E OF AREA.

...STORM WARNING...
.LOW 52N35W 977 MB MOVING NE 15 KT. EXCEPT WHERE NOTED ABOVE
WITH LOW 47N42W...WITHIN 240 NM SE SEMICIRCLE WINDS 35 TO 50 KT.
SEAS 18 TO 27 FT. ELSEWHERE E OF A LINE FROM 62N35W TO 54N53W TO
50N54W WINDS 25 TO 40 KT. SEAS 12 TO 18 FT.
.24 HOUR FORECAST LOW E OF AREA NEAR 57N28W 984 MB. N OF 50N E
OF 40W WINDS 25 TO 35 KT. SEAS 10 TO 19 FT. ELSEWHERE FROM 50N
TO 56N BETWEEN 40W AND 51W WINDS TO 25 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST CONDITIONS E OF AREA.

...STORM WARNING...
.24 HOUR FORECAST FROM 31N TO 35N W OF 74W AREA OF S WINDS 25 TO
35 KT. SEAS TO 12 FT.
.48 HOUR FORECAST FROM 32N TO 40N BETWEEN 67W AND 72W WINDS 35
TO 50 KT. SEAS 15 TO 24 FT. ELSEWHERE W OF A LINE FROM 31N68W TO
40N60W TO 50N59W INCLUDING THE GULF OF SAINT LAWRENCE WINDS 25
TO 35 KT. SEAS 8 TO 15 FT...EXCEPT ACROSS THE GULF OF SAINT
LAWRENCE TO 8 FT.

...GALE WARNING...
.LOW 41N39W 1004 MB MOVING NE 15 KT. FROM 36N TO 41N E OF 54W
WINDS 25 TO 35 KT. SEAS 12 TO 19 FT.
.24 HOUR FORECAST LOW DISSIPATED E OF AREA AND CONDITIONS
DESCRIBE BELOW WITH LOW 45N38W.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 45N38W 1005 MB. FROM 40N TO 50N E OF
45W WINDS 25 TO 35 KT. SEAS 12 TO 19 FT.
.48 HOUR FORECAST LOW E OF AREA NEAR 46N28W 1016 MB. FROM 40N TO
53N E OF 44W WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.

.SYNOPSIS AND FORECAST.

.24 HOUR FORECAST FROM 37N TO 42N BETWEEN 51W AND 56W AREA OF N
TO NW WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST FROM 31N TO 36N BETWEEN 42W AND 51W AREA OF NE
WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.

.48 HOUR FORECAST FROM 50N TO 53N BETWEEN 48W AND 56W WINDS TO
25 KT. SEAS TO 8 FT.

.LIGHT TO MODERATE FREEZING SPRAY N OF A LINE FROM 59N44W TO
62N40W TO 64N35W...N AND W OF A LINE FROM 59N44W TO 59N53W TO
61N58W TO 55N58W...AND FROM 48N TO 53N W OF 52W INCLUDING THE
GULF OF SAINT LAWRENCE N OF 48N.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF A LINE
FROM 59N44W TO 62N40W TO 64N35W...WITHIN 90 NM OF THE W COAST OF
GREENLAND...N OF 62N W OF GREENLAND...AND W OF A LINE FROM
62N58W TO 58N59W TO 53N52W.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF A LINE
FROM 59N44W TO 62N40W TO 64N35W...AND N OF 60N W OF 44W.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 49N
BETWEEN 42W AND 49W...AND FROM 53N TO 59N E OF 38W.
.24 HOUR FORECAST DENSE FOG W OF A LINE FROM 37N75W TO 43N65W.
.48 HOUR FORECAST DENSE FOG W OF A LINE FROM 37N75W TO 43N62W TO
50N58W.

.FORECASTER CLARK. 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 1200 UTC WED APR 10.
24 HOUR FORECAST VALID 1200 UTC THU APR 11.
48 HOUR FORECAST VALID 1200 UTC FRI APR 12.

.WARNINGS.

...GULF OF MEXICO GALE WARNING...
.COLD FRONT FROM 29N95.5W TO 22N98W. FROM 22N TO 23N BETWEEN
96.5W AND 98W NW TO N WINDS 30 TO 35 KT. SEAS 8 TO 9 FT.
ELSEWHERE WITHIN 28N94W TO 29N94W TO 29N97W TO 27N97W TO 22N98W
TO 21N96W TO 28N94W...INCLUDING WITHIN 60 NM OF COAST OF
VERACRUZ...NW WINDS 20 TO 30 KT. SEAS TO 8 FT. WITHIN 29N85W TO
29N93W TO 22N95W TO 18N95W TO 21N91W TO 22N86W TO 29N85W...
INCLUDING IN YUCATAN CHANNEL...SE TO S WINDS 20 TO 30 KT. SEAS 8
TO 11 FT. FROM 24N TO 29N BETWEEN 93W AND 94W WINDS 20 KT OR
LESS. SEAS 8 TO 9 FT IN E SWELL.
.06 HOUR FORECAST COLD FRONT FROM 29.5N92.5W TO 19N95.5W. WITHIN
20N95W TO 21N96W TO 20N97W TO 19N96W TO 19N95W TO 20N95W...
INCLUDING WITHIN 60 NM OF COAST OF VERACRUZ...NW TO N WINDS 30 TO
35 KT. SEAS TO 8 FT. ELSEWHERE WITHIN 30N92W TO 30N94W TO 27N97W
TO 22N98W TO 19N95W TO 24N93W TO 30N92W NW WINDS 20 TO 30 KT.
SEAS 8 TO 10 FT. WITHIN 30N85W TO 31N88W TO 30N92W TO 26N92W TO
21N87W TO 25N84W TO 30N85W... INCLUDING IN YUCATAN CHANNEL...S
WINDS 20 TO 30 KT. FREQUENT GUSTS TO GALE FORCE N OF 28N. SEAS 8
TO 11 FT. WITHIN 26N93W TO 22N93W TO 23N89W TO 26N93W WINDS 20 KT
OR LESS. SEAS 8 TO 9 FT IN E TO SE SWELL.
.12 HOUR FORECAST COLD FRONT FROM 29N90W TO 18.5N93W. WITHIN
30N84W TO 30N89W TO 28N90W TO 22N89W TO 22N86W TO
30N84W...INCLUDING STRAITS OF FLORIDA AND IN YUCATAN CHANNEL...S
WINDS 20 TO 30 KT. FREQUENT GUSTS TO GALE FORCE N OF 28N. SEAS 8
TO 11 FT. WITHIN 25N92W TO 29N90W TO 30N94W TO 28N97W TO 22N97W
TO 19N93W TO 25N92W...INCLUDING WITHIN 60 NM OF COAST OF
VERACRUZ...NW TO N WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST COLD FRONT FROM 30N85W TO 19N91W. WITHIN
28N82W TO 30N84W TO 29N85W TO 25N88W TO 23N86W TO 25N84W TO
28N82W SW WINDS 20 TO 30 KT. FREQUENT GUSTS TO GALE FORCE N OF
28N SEAS 8 TO 11 FT. WITHIN 30N86W TO 30N94W TO 28N96W TO 25N96W
TO 24N91W TO 25N87W TO 30N86W W TO NW WINDS 20 TO 30 KT. FREQUENT
GUSTS TO GALE FORCE N OF 28N AND E OF 91W. SEAS 8 TO 11 FT.
.36 HOUR FORECAST COLD FRONT FROM 26.5N82W TO 21.5N86W. WITHIN
30N84W TO 30N86W TO 29N87W TO 27N87W TO 27N85W TO 28N83W TO
30N84W W TO NW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE
WITHIN 29N83W TO 30N86W TO 28N92W TO 25N93W TO 23N88W TO 29N83W
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN W TO NW SWELL. WITHIN
20N91W TO 21N90W TO 21N91W TO 20N92W TO 19N92W TO 19N91W TO
20N91W...INCLUDING WITHIN 60 NM OF COAST OF CAMPECHE...N TO NE
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST COLD FRONT E OF AREA. WITHIN 27N84W TO 27N85W
TO 26N87W TO 23N87W TO 24N85W TO 25N84W TO 27N84W WINDS 20 KT OR
LESS. SEAS 8 FT IN W TO NW SWELL.

...ATLANTIC GALE WARNING...
.12 HOUR FORECAST WITHIN 31N77W TO 31N81W TO 28N80W TO 26N80W TO
26N78W TO 29N78W TO 31N77W SE TO S WINDS 20 TO 25 KT. SEAS LESS
THAN 8 FT.
.24 HOUR FORECAST COLD FRONT W OF AREA. WITHIN 31N75W TO 31N81W
TO 27N80W TO 26N80W TO 26N79W TO 31N75W SE TO S WINDS 20 TO 30
KT. SEAS 8 TO 10 FT.
.30 HOUR FORECAST COLD FRONT ON COAST OF NE FLORIDA. WITHIN
31N77W TO 31N80W TO 30.5N80W TO 30.5N77.5W TO 31N77W S WINDS 30
TO 35 KT. SEAS 11 TO 13 FT. ELSEWHERE WITHIN 31N73W TO 31N81W TO
26N80W TO 29N76W TO 31N73W S WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST COLD FRONT FROM 31N75W TO 23N80W. N OF 28N AND
E OF FRONT TO 68W WINDS S 20 TO 25 KT. SEAS 8 TO 11 FT. N OF 30N
W OF FRONT TO 80W W TO NW WINDS 20 TO 25 KT. SEAS 9 TO 12 FT.
ELSEWHERE WITHIN 31N68W TO 31N80W TO 28N78W TO 28N72W TO 29N69W
TO 31N68W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN S TO SW SWELL.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 31N35W TO 31N63W TO 25N75W TO 19N68W TO 17N56W TO
20N45W TO 31N35W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW TO N
SWELL.
.24 HOUR FORECAST WITHIN 20N48W TO 21N51W TO 20N61W TO 19N63W TO
16N59W TO 19N49W TO 20N48W NE TO E WINDS 20 TO 25 KT. SEAS 9 TO
11 FT. ELSEWHERE WITHIN 31N35W TO 31N54W TO 24N72W TO 08N57W TO
07N48W TO 17N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT
IN NW TO N SWELL.
.48 HOUR FORECAST WITHIN 22N46W TO 26N55W TO 26N62W TO 17N65W TO
18N50W TO 22N46W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 11 FT.
ELSEWHERE WITHIN 20N42W TO 31N35W TO 31N53W TO 24N71W TO 06N53W
TO 07N42W TO 20N42W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN N
SWELL.

.ATLC AND CARIBBEAN 06 HOUR FORECAST WITHIN 21N71W TO 22N72W TO
21N75W TO 19N75W TO 20N73W TO 20N70W TO 21N71W E WINDS 20 TO 25
KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.
.30 HOUR FORECAST WITHIN 20.5N70.5W TO 21N71.5W TO 20.5N72W TO
20N72.5W TO 20N70.5W TO 20.5N70.5W E WINDS 20 TO 25 KT. SEAS
LESS THAN 8 FT.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.CARIBBEAN WITHIN 17N69W TO 18N75W TO 15N81W TO 11N81W TO 11N72W
TO 17N69W...INCLUDING THE GULF OF VENEZUELA...E WINDS 20 TO 30
KT. SEAS 8 TO 13 FT...HIGHEST NEAR 12N76W.
.24 HOUR FORECAST WITHIN 17N70W TO 18N73W TO 15N77W TO 11N77W TO
12N70W TO 17N70W...INCLUDING THE GULF OF VENEZUELA...E WINDS 20
TO 25 KT. SEAS 8 TO 11 FT. ELSEWHERE WITHIN 17N70W TO 18N73W TO
16N78W TO 12N80W TO 10N78W TO 12N70W TO 17N70W WINDS 20 KT OR
LESS. SEAS 8 TO 9 FT IN NE TO E SWELL.
.48 HOUR FORECAST WITHIN 14N72W TO 16N77W TO 12N81W TO 10N78W TO
10N76W TO 11N71W TO 14N72W...INCLUDING THE GULF OF VENEZUELA...
NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.

.CARIBBEAN WITHIN 20N84W TO 22N85W TO 21N87W TO 17N88W TO 16N87W
TO 16N84W TO 20N84W...INCLUDING IN YUCATAN CHANNEL AND THE GULF
OF HONDURAS...SE WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST WITHIN 18N85W TO 19N86W TO 19N87W TO 18N87W TO
17N87W TO 16N86W TO 18N85W SE WINDS 20 TO 25 KT. SEAS 8 FT.
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

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

$$
.FORECASTER HAGEN. NATIONAL HURRICANE CENTER.