000
FZPN03 KNHC 010913 CCA
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC THU APR 1 2021

CORRECTED TO INCLUDE ASHFALL ADVISORY

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE
EQUATOR E OF 120W

SYNOPSIS VALID 0600 UTC THU APR 1.
24 HOUR FORECAST VALID 0600 UTC FRI APR  2.
48 HOUR FORECAST VALID 0600 UTC SAT APR  3.

.WARNINGS.

...GALE WARNING...
.WITHIN 15.5N94.5W TO 15.5N95.5W 
TO 16N95.5W TO 16N95W TO 16N94W TO 15.5N94.5W...INCLUDING THE 
GULF OF TEHUANTEPEC... N WINDS 30 TO 40 KT. SEAS 8 FT. ELSEWHERE
WITHIN 15N94.5W TO 14.5N95W TO 15N95.5W TO 15.5N95.5W TO 
15.5N94.5W TO 15N94.5W N WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST WITHIN 14N94W TO 14N95W TO 14N96W TO 16N95W TO
16N94W TO 14N94W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE 
WINDS 30 TO 40 KT. SEAS 10 TO 13 FT. WITHIN 11N97W TO 12N98W TO 
14N97W TO 14N94W TO 13N95W TO 11N97W NE WINDS 20 TO 30 KT. SEAS 
8 TO 10 FT.
.24 HOUR FORECAST WITHIN 13N94W TO 13N98W TO 15N97W TO 16N95W TO 16N94W TO 
13N94W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE WINDS 35 TO
45 KT. SEAS 12 TO 18 FT. ELSEWHERE WITHIN 10N94W TO 09N101W TO 
12N99W TO 13N93W TO 12N93W TO 10N94W NE WINDS 20 TO 30 KT. SEAS 8
TO 12 FT. ELSEWHERE WITHIN 06N95W TO 04N99W TO 06N102W TO 
08N97W TO 07N95W TO 06N95W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 
10 FT.
.48 HOUR FORECAST WITHIN 12N95W TO 11N97W TO 14N98W TO 16N96W TO
16N94W TO 12N95W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE 
WINDS 30 TO 45 KT. SEAS 12 TO 19 FT. WITHIN 06N93W TO 04N110W TO 
10N109W TO 16N96W TO 14N92W TO 06N93W NE TO E WINDS 20 TO 30 KT. 
SEAS 8 TO 12 FT.

...ASHFALL ADVISORY...
PICAYA VOLCANO AT POSITION 14.4N 90.6W IS ERUPTING AND PRODUCING
LARGE ASH CLOUDS. SOME OF THIS ASH MAY REACH THE SURFACE OF 
OCEAN OFF GUATEMALA FROM 12N TO 13N BETWEEN 91W AND 93W TODAY. 
MARINERS OFF THE COAST OF GUATELMALA TODAY 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.

.WITHIN 10N87W TO 10N90W TO 11N90W TO 12N89W TO 11N86W TO
10N87W...INCLUDING THE GULF OF PAPAGAYO... NE TO E WINDS 20 TO
30 KT. SEAS 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.WITHIN 22N124W TO 22N134W TO 24N140W TO 30N132W TO 28N122W TO
22N124W WINDS 20 KT OR LESS. SEAS 8 FT IN N SWELL.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.WITHIN 07N131W TO 04N140W TO 14N140W TO 12N135W TO 12N127W TO
07N131W WINDS 20 KT OR LESS. SEAS 8 FT IN SE TO S SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WITHIN 09N114W TO 06N121W TO 07N140W TO
14N140W TO 14N117W TO 09N114W WINDS 20 KT OR LESS. SEAS 8 FT IN
NW TO N SWELL.

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

CONVECTION VALID AT 0840 UTC THU APR 1...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH FROM 09N84W TO 06N90W. ITCZ TO 06N90W TO 04N100W TO 
05N110W TO 02N140W. SCATTERED MODERATE TO ISOLATED STRONG 
FROM 05N TO 07N BETWEEN 81W AND 86W.

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.