044 
FZPN03 KNHC 102127
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC SUN MAY 10 2020

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SUN MAY 10.
24 HOUR FORECAST VALID 1800 UTC MON MAY 11.
48 HOUR FORECAST VALID 1800 UTC TUE MAY 12.

.WARNINGS.

...GALE WARNING...
.WITHIN 14N94W TO 13N95W TO 15N96W TO 16N95W TO 15N93W TO
14N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 30 
KT. SEAS 8 TO 11 FT.
.12 HOUR FORECAST WITHIN 14N94W TO 13N95W TO 15N96W TO 16N95W TO
15N93W TO 14N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 
20 TO 35 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST WITHIN 12N93W TO 11N96W TO 13N97W TO 16N96W TO
16N94W TO 12N93W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 
20 TO 30 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST WITHIN 12N94W TO 11N96W TO 12N96W TO 14N96W TO
13N94W TO 12N94W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED NE
AND SW SWELL.

...ASHFALL ADVISORY... 
.SANGAY VOLCANO AT POSITION 02.0S 78.3W IS CURRENTLY IN A STATE 
OF UNREST AND PRODUCING VOLCANIC ASH. MARINERS TRAVELING IN THE 
VICINITY OF SANGAY INCLUDING NEAR THE GULF OF GUAYAQUIL 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 06N102W TO 07N107W TO 18N111W TO 17N106W TO 13N97W TO
06N102W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN S TO SW SWELL. 
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.12 HOUR FORECAST COLD FRONT FROM 30N136W TO 28N140W. WITHIN 
29.5N139W TO 29N140W TO 30N140W TO 30N137.5W TO 29.5N139W WINDS 
20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.
.24 HOUR FORECAST COLD FRONT FROM 30N131W TO 27N140W. WITHIN 
28N136W TO 27N140W TO 30N140W TO 30N134W TO 28N136W WINDS 20 KT 
OR LESS. SEAS 8 TO 11 FT IN NW SWELL.
.48 HOUR FORECAST DISSIPATING COLD FRONT FROM 30N124W TO 26N133W.
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.

CONVECTION VALID AT 2000 UTC SUN MAY 10...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH FROM 10N76W TO 07N83W TO 10N100W. ITCZ FROM 10N100W TO 
06N120W TO 08N132W TO 07N140W. NUMEROUS MODERATE SCATTERED 
STRONG WITHIN 10N87W TO 09N79W TO 06N77W TO 02N79W TO 02N80W TO 
10N87W AND ALSO WITHIN 14N102W TO 10N90W TO 03N96W TO 05N108W TO 
12N110W TO 14N102W. SCATTERED MODERATE ISOLATED STRONG FROM 08N 
TO 12N BETWEEN 117W AND 122W AND ALSO FROM 04N TO 07N BETWEEN 
116W AND 127W.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.