420 
FZPN03 KNHC 050828
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC THU JUN 05 2025

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 JUN 05.
24 HOUR FORECAST VALID 0600 UTC FRI JUN 06.
48 HOUR FORECAST VALID 0600 UTC SAT JUN 07.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.N OF 18N W OF 123W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN N TO 
NE SWELL.
.24 HOUR FORECAST NW OF A LINE FROM 30N125W TO 27N126W TO 
24N140W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN N TO NE SWELL. 
.48 HOUR FORECAST NW OF A LINE FROM 30N134W TO 27N140W WINDS 20 
KT OR LESS. SEAS 2.5 M IN N TO NE SWELL. 

.S OF 02S BETWEEN 105W AND 120W WINDS 20 KT OR LESS. SEAS 2.5 M 
IN S TO SW SWELL.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

CONVECTION VALID AT 0900 UTC THU JUN 5...

TROPICAL WAVE ALONG 97W FROM 05N TO 16N...SCATTERED MODERATE TO 
ISOLATED STRONG CONVECTION IS OCCURRING NEAR THE SOUTHERN END OF 
THE WAVE AXIS FROM 05N TO 12N BETWEEN 94W AND 101W. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

THE MONSOON TROUGH EXTENDS WESTWARD FROM A 1010 MB LOW PRESSURE 
LOCATED OVER NORTHERN COLOMBIA NEAR 10N74W TO 11N90W TO 14N102W 
TO 07N126W. THE ITCZ CONTINUES FROM 07N126W TO BEYOND 07N140W. 
ASIDE FROM THE CONVECTION ASSOCIATED WITH THE TROPICAL WAVE, 
CLUSTERS OF MODERATE TO STRONG CONVECTION ARE OBSERVED FROM 07N 
TO 12N BETWEEN 84W AND 88W. THIS CONVECTIVE ACTIVITY IS MORE 
CONCENTRATED ACROSS THE COASTAL WATERS OF COSTA RICA.

$$

.FORECASTER GR. NATIONAL HURRICANE CENTER.