000
FZPN03 KNHC 101633 AAA
HSFEP2

HIGH SEAS FORECAST...UPDATED
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC SUN MAY 10 2020

UPDATED FOR VOLCANIC ASH 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC SUN MAY 10.
24 HOUR FORECAST VALID 1200 UTC MON MAY 11.
48 HOUR FORECAST VALID 1200 UTC TUE MAY 12.

.WARNINGS.

...GALE WARNING...
.WITHIN 14N94W TO 14N95W TO 16N95W TO 16N93W TO 14N94W... 
INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 30 KT. SEAS 8 
TO 10 FT.
.18 HOUR FORECAST WITHIN 15N95W TO 14N95W TO 14N96W TO 16N96W TO
16N95W TO 15N95W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 
25 TO 35 KT. SEAS 9 TO 11 FT. ELSEWHERE WITHIN 14N93W TO 12N95W 
TO 14N97W TO 16N97W TO 16N94W TO 14N93W N WINDS 20 TO 25 KT. 
SEAS 8 TO 10 FT.
.24 HOUR FORECAST LITTLE CHANGE...EXCEPT SEAS TO 13 FT NEAR
14.5N95W.
.30 HOUR FORECAST WITHIN 11N94W TO 10N96W TO 14N97W TO 16N95W TO
14N93W TO 11N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 
20 TO 30 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST WITHIN 13N94W TO 12N95W TO 13N96W TO 16N95W TO
15N93W TO 13N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 
20 TO 30 KT. SEAS 8 TO 11 FT.

...ASHFALL ADVISORY... 
.SANGAY VOLCANO AT POSITION 02.0S 78.4W IS CURRENTLY IN A STATE 
OF UNREST AND PRODUCING VOLCANIC ASH. MARINERS TRAVELING IN THE 
VICINITY OF SANGAY 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 02N99W TO 03N106W TO 10N111W TO 17N111W TO 12N91W TO
02N99W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN S TO SW SWELL.
.24 HOUR FORECAST WITHIN 09N107W TO 10N110W TO 12N109W TO 
12N108W TO 11N106W TO 09N107W WINDS 20 KT OR LESS. SEAS 8 FT IN S
SWELL.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.18 HOUR FORECAST COLD FRONT FROM 30N133W TO 27N140W. WITHIN 
29N139W TO 29N140W TO 30N140W TO 30N137W TO 29N139W WINDS 20 KT 
OR LESS. SEAS 8 TO 10 FT IN NW SWELL.
.24 HOUR FORECAST COLD FRONT FROM 30N133W TO 26N140W. WITHIN 
28N138W TO 28N140W TO 30N140W TO 30N135W TO 28N138W WINDS 20 KT 
OR LESS. SEAS 8 TO 11 FT IN NW SWELL.
.48 HOUR FORECAST DISSIPATING COLD FRONT FROM 30N125W TO 26N130W
TO 24N140W. WITHIN 27N132W TO 26N134W TO 26N137W TO 30N136W TO 
30N130W TO 27N132W WINDS 20 KT OR LESS. SEAS 8 FT IN NW SWELL.

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

CONVECTION VALID AT 1445 UTC SUN MAY 10...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH FROM LOW PRES NEAR 10N76W TO 09N90W TO 09N100W. ITCZ FROM
09N100W TO 07N120W TO 06N140W. SCATTERED MODERATE TO STRONG 
FROM 02N TO 09N BETWEEN 77W AND 80W INCLUDING THE GULF OF 
PANAMA...WITHIN 11N93W TO 05N92W TO 02N96W TO 06N100W TO 02N107W
TO 09N113W TO 11N93W...AND FROM 11N TO 13N BETWEEN 98W AND 107W.
SCATTERED MODERATE ISOLATED STRONG FROM 03N TO 07N BETWEEN 113W 
AND 120W...FROM 04N TO 07N BETWEEN 123W AND 129W...AND FROM 10N 
TO 13N BETWEEN 120W AND 127W. ISOLATED MODERATE TO STRONG 
WITHIN 180 NM SW OF CENTRAL AMERICA.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.