000
FZNT02 KNHC 151942
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC THU APR 15 2021

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

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

SYNOPSIS VALID 1800 UTC THU APR 15.
24 HOUR FORECAST VALID 1800 UTC FRI APR 16.
48 HOUR FORECAST VALID 1800 UTC SAT APR 17.

.WARNINGS.

...ASHFALL ADVISORY... 
.LA SOUFRIERE ST. VINCENT VOLCANO AT 13.3N 61.2W IS PRODUCING 
VOLCANIC EMISSIONS FROM ITS SUMMIT. THE VOLCANO REMAINS IN A 
STATE OF UNREST AND COULD CONTINUE TO ERUPT WITH LITTLE NOTICE. 
MARINERS TRAVELING IN THE VICINITY OF LA SOUFRIERE ARE URGED TO 
EXERCISE CAUTION. IF MARINERS ENCOUNTER VOLCANIC ASH OR FLOATING 
VOLCANIC DEBRIS...YOU ARE ENCOURAGED TO REPORT THE OBSERVATION 
TO THE NATIONAL HURRICANE CENTER BY CALLING 305-229-4424.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT W OF AREA. WITHIN 30.5N76W TO 30.5N78.5W TO 
31N79W TO 31N75W TO 30.5N76W SW WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST COLD FRONT FROM 31N73W TO 28.5N80W. WITHIN 
30N69W TO 30N70W TO 30N71W TO 31N72W TO 31N66W TO 30N69W SW 
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST COLD FRONT FROM 31N65W TO 28.5N75W THEN
STATIONARY TO 28.5N80W. WITHIN 29N63W TO 30N64W TO 31N64W TO 
31N59W TO 29N63W SW WINDS 20 TO 25 KT. SEAS 8 FT.

.ATLC COLD FRONT FROM 31N46W TO 21N60W. WITHIN 29N57W TO 29N60W
TO 29N64W TO 31N65W TO 31N54W TO 29N57W WINDS 20 KT OR LESS. 
SEAS 8 TO 10 FT IN NW TO N SWELL.
.24 HOUR FORECAST COLD FRONT DISSIPATED. TROUGH FROM 31N43W TO
24N52W. WITHIN 29N52W TO 29N56W TO 31N58W TO 31N46W TO 29N52W 
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW TO N SWELL.
.48 HOUR FORECAST TROUGH DISSIPATED. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.ATLC COLD FRONT FROM 31N43W TO 21N52W THEN STATIONARY TO 16N61W. 
WITHIN 27N43W TO 26N47W TO 29N47W TO 31N48W TO 31N38W TO 27N43W 
SW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.18 HOUR FORECAST DISSIPATING COLD FRONT FROM 31N38W TO 24N50W.
WINDS 20 KT OR LESS. SEAS 8 FT IN W SWELL.

.ATLC 18 HOUR FORECAST WITHIN 12N35W TO 11N36W TO 13N37W TO 
15N36W TO 15N35W TO 12N35W WINDS 20 KT OR LESS. SEAS 8 FT IN NE 
TO E SWELL.
.24 HOUR FORECAST WITHIN 11N35W TO 11N39W TO 14N39W TO 16N37W 
TO 14N35W TO 11N35W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE TO
E SWELL.
.48 HOUR FORECAST WITHIN 10N42W TO 07N51W TO 12N49W TO 16N44W TO
15N39W TO 10N42W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE TO E 
SWELL.

.CARIBBEAN 06 HOUR FORECAST WITHIN 11N70W TO 10N72W TO 11N73W TO
12N75W TO 13N73W TO 11N70W NE TO E WINDS 20 TO 25 KT. SEAS LESS
THAN 8 FT.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.CARIBBEAN 30 HOUR FORECAST WITHIN 16N84W TO 16N86W TO 17N86W TO
17N85W TO 16N84W E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 17N85W TO 16N86W TO 18N87W TO 18N85W TO
17N85W E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.GULF OF MEXICO STATIONARY FRONT FROM 30N86W TO 28.5N90W THEN
COLD TO 27.5N97W. SCATTERED TSTMS N OF 27.5N AND E OF 92W.
.12 HOUR FORECAST STATIONARY FRONT FROM 29N83W TO 27N94W.
CONDITIONS IMPROVE.

.GULF OF MEXICO 42 HOUR FORECAST COLD FRONT FROM 30N91W TO
26N97W. WITHIN 27N97W TO 28N97W TO 28N96W TO 27N97W N TO NE 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST COLD FRONT FROM 30N89W TO 24N98W. WITHIN 
26N96W TO 25N97W TO 26N97W TO 29N95W TO 28N93W TO 26N96W N TO NE 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

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

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.