670 
FZPN03 KNHC 241526
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC WED MAY 24 2023

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 WED MAY 24.
24 HOUR FORECAST VALID 1200 UTC THU MAY 25.
48 HOUR FORECAST VALID 1200 UTC FRI MAY 26.

.WARNINGS.

...ASHFALL ADVISORY...             
POPOCATEPETL VOLCANO IN MEXICO NEAR 19N99W HAS BEEN ACTIVE AND 
IT CONTINUES TO EMIT VOLCANIC ASH. EARLIER OBSERVED VOLCANIC ASH
HAS DISSIPATED, BUT NEW VOLCANIC ASHFALL IS SEEN WITHIN 180 NM 
ESE OF THE SUMMIT. SOME OF THIS ASHFALL MAY REACH THE WATERS 
ADJACENT TO THE GULF OF TEHUANTEPEC AND THE STATE OF OAXACA
TODAY. VISIBILITY MAY BE RESTRICTED IN THESE AREAS DUE TO 
THE VOLCANIC ASHFALL THROUGH THIS AFTERNOON. MARINERS SHOULD 
EXERCISE CAUTION. IF MARINERS ENCOUNTER VOLCANIC ASH OR FLOATING 
VOLCANIC DEBRIS...YOU ARE ENCOURAGED TO REPORT THE OBSERVATION TO
THE NATIONAL WEATHER SERVICE BY CALLING 305-229-4425. 

.SYNOPSIS AND FORECAST.

.N OF 26N BETWEEN 121W AND 139W WINDS 20 KT OR LESS. SEAS 8 TO 
10 FT IN N TO NE SWELL. FROM 22N TO 26N W OF 137W WINDS 20 KT OR 
LESS. SEAS 8 TO 9 FT IN N TO NE SWELL.
.24 HOUR FORECAST N OF 27N BETWEEN 120W AND 135W WINDS 20 KT OR 
LESS. SEAS TO 8 FT IN DECAYING N SWELL.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.FROM 06N TO 14N W OF 126W WINDS 20 KT OR LESS. SEAS 8 TO 
9 FT IN NE TO E SWELL.
.24 HOUR FORECAST FROM 07N TO 12N W OF 135W WINDS 20 KT OR LESS.
SEAS 8 FT IN NE TO E SWELL.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.36 HOUR FORECAST S OF 02S BETWEEN 92W AND 105W WINDS 20 KT OR 
LESS. SEAS 8 FT IN SW SWELL.
.48 HOUR FORECAST S OF A LINE FROM 01S81W TO 03N93W TO 03N107W 
TO 03.4S115W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN S TO SW 
SWELL.

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

CONVECTION VALID AT 1515 UTC WED MAY 24...

.SCATTERED MODERATE WITHIN 30 NM OF 12N87W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 10N85W TO 08N92W TO 11N104W TO 
09N114W. ITCZ EXTENDS FROM 09N114W TO 09N122W TO 06N132W TO 
04N140W. SCATTERED MODERATE ISOLATED STRONG WITHIN 120 NM S 
OF THE TROUGH BETWEEN 92W AND 100W. SCATTERED MODERATE 
WITHIN 30 NM OF THE ITCZ BETWEEN 118W AND 121W AND BETWEEN
128W AND 131W.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.