246 
FZPN03 KNHC 301621
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC FRI JUL 30 2021

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FRI JUL 30.
24 HOUR FORECAST VALID 1200 UTC SAT JUL 31.
48 HOUR FORECAST VALID 1200 UTC SUN AUG  1.

.WARNINGS.

...STORM WARNING...
.LOW PRESSURE NEAR 12N112W 1006 MB. WITHIN 10N108W TO 10N111W TO
15N112W TO 15N109W TO 13N108W TO 10N108W SE TO S WINDS 20 TO 30 
KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST LOW PRESSURE...POSSIBLE TROPICAL
CYCLONE...13N116W 1005 MB. WITHIN 12N116W TO 12N117W TO 14N117W 
TO 14N116W TO 12N116W E WINDS 30 TO 40 KT. SEAS 10 TO 12 FT. 
WITHIN 10N112W TO 10N116W TO 16N116W TO 15N112W TO 10N112W S 
WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST LOW PRESSURE...POSSIBLE TROPICAL
CYCLONE..14N120W 1002 MB. WITHIN 14N120W TO 14N121W TO 15N121W 
TO 15N120W TO 14N120W S WINDS 30 TO 55 KT. SEAS 10 TO 15 FT. 
WITHIN 14N117W TO 13N118W TO 13N122W TO 17N121W TO 18N119W TO 
14N117W E TO SE WINDS 2O TO 30 KT. SEAS 8 TO 10 FT.

.SYNOPSIS AND FORECAST.

.LOW PRESSURE 13N126W 1007 MB. WITHIN 13N124W TO 13N127W TO 
15N127W TO 16N124W TO 13N124W WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST LOW PRESSURE...POSSIBLE TROPICAL
CYCLONE...12N128W 1006 MB. WITHIN 13N127W TO 13N130W TO 16N130W 
TO 16N127W TO 13N127W NE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST LOW PRESSURE...POSSIBLE TROPICAL
CYCLONE...12N130W 1005 MB. WITHIN 12N128W TO 12N129W TO 11N132W 
TO 15N133W TO 15N128W TO 12N128W NE WINDS 20 TO 25 KT. SEAS 8 TO 
10 FT.

.WITHIN 03.4S103W TO 03.4S120W TO 01S120W TO 02S108W TO
03.4S103W WINDS 20 KT OR LESS. SEAS 8 FT IN SE TO S SWELL.
.24 HOUR FORECAST WITHIN 03S97W TO 03.4S120W TO 02N123W TO
01S112W TO 01S105W TO 03S97W WINDS 20 KT OR LESS. SEAS 8 FT IN
SE TO S SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
8 FT IN S SWELL.

.WITHIN 10N86W TO 09N89W TO 12N90W TO 12N88W TO 12N87W TO
10N86W...INCLUDING THE GULF OF PAPAGAYO... NE TO E WINDS 20 TO
25 KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST 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 1500 UTC FRI JUL 30...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 08N79W TO 10N91W, THEN RESUMES
FROM A 1006 MB LOW AT 12N112W TO A 1007 MB LOW AT 13N126W TO 
10N140W. IN ADDITION TO THE CONVECTION DESCRIBED IN THE 
TROPICAL WAVES AND SPECIAL FEATURES SECTIONS ABOVE, SCATTERED 
MODERATE CONVECTION IS OCCURRING FROM 09N-11N WEST OF 132W. 

$$
.FORECASTER LANDSEA. NATIONAL HURRICANE CENTER.