058 
FZPN03 KNHC 250319
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC THU MAY 25 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC THU MAY 25.
24 HOUR FORECAST VALID 0000 UTC FRI MAY 26.
48 HOUR FORECAST VALID 0000 UTC SAT MAY 27.

.WARNINGS.

...ASHFALL ADVISORY...             
POPOCATEPETL VOLCANO IN MEXICO NEAR 19N99W HAS BEEN ACTIVE AND 
IT CONTINUES TO VENT AN ASH PLUME. THE CURRENT ASH PLUME IS 
MOVING SE AND APPROXIMATELY 300 NM FROM THE SUMMIT LIKELY 
REACHING THE OFFSHORE WATERS OF OAXACA. VISIBILITY MAY BE 
RESTRICTED IN THESE AREAS DUE TO THE VOLCANIC ASHFALL THROUGH 
THU MORNING. 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 27N BETWEEN 120W AND 134W WINDS 20 KT OR LESS. SEAS TO 8 
FT. FROM 21N TO 26N W OF 136W WINDS 20 KT OR LESS. SEAS 8 FT IN 
NE SWELL.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.FROM 04N TO 13N W OF 130W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT 
IN NE SWELL.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.24 HOUR FORECAST S OF 02S BETWEEN 85W AND 88W...AND S OF 02S 
BETWEEN 92W AND 105W WINDS 20 KT OR LESS. SEAS 8 FT IN SW SWELL.
.36 HOUR FORECAST S OF A LINE FROM 02S81W TO 00N87W TO 01.5S90W 
TO 01N93W TO 00N103W TO 03.4S107W WINDS 20 KT OR LESS. SEAS 8 TO 
9 FT IN S TO SW SWELL.
.48 HOUR FORECAST S OF 03N BETWEEN 81W AND 105W...EXCEPT IN THE 
LEE OF THE GALAPAGOS ISLANDS 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 0300 UTC THU MAY 25...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH AXIS EXTENDS WESTWARD FROM NORTHERN COLOMBIA 
NEAR 10N74W TO 09N90W TO 08N107W. THE ITCZ CONTINUES FROM 
08N107W TO 07N120W TO 04N140W. SCATTERED MODERATE TO ISOLATED 
STRONG CONVECTION IS NOTED FROM 04N TO 08N BETWEEN 86W AND 95W. 
SIMILAR CONVECTIVE ACTIVITY IS SEEN FROM 05N TO 12N BETWEEN 110W 
AND 120W...AND FROM 04N TO 09N BETWEEN 120W AND 135W.

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.