131 
FZPN03 KNHC 080317
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC SAT MAY 8 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC SAT MAY 8.
24 HOUR FORECAST VALID 0000 UTC SUN MAY  9.
48 HOUR FORECAST VALID 0000 UTC MON MAY 10.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 12.5N104W 1007 MB. WITHIN 14N102W TO 13N104W TO 
14N104W TO 15N103W TO 15N101W TO 14N102W WINDS 20 TO 25 KT. SEAS
TO 8 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
12.5N108W 1005 MB. WITHIN 15N106W TO 14N106W TO 15N108W TO 
15N106W WINDS 20 TO 25 KT. SEAS 8 FT SWELL.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
15N110W 1006 MB. WITHIN 15N108W TO 15N110W TO 16N110W TO 16N109W 
TO 15N108W WINDS 20 TO 25 KT. SEAS 8 FT.

.WITHIN 26N133W TO 22N139W TO 28N139W TO 30N133W TO 30N123W TO
26N133W WINDS 20 KT OR LESS. SEAS 8 FT IN NW SWELL.
.24 HOUR FORECAST WITHIN 29N125W TO 29N126W TO 29N128W TO 
30N129W TO 30N124W TO 29N125W N WINDS 20 TO 25 KT. SEAS 9 TO 11 
FT IN NW TO N SWELL. ELSEWHERE WITHIN 26N120W TO 26N127W TO 30N132W
TO 29N125W TO 30N117W TO 26N120W WINDS 20 KT OR LESS. SEAS 8 TO 
10 FT IN NW TO N SWELL. WITHIN 07N140W TO 26N140W TO 30N133W TO
26N129W TO 07N140W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE 
SWELL.
.48 HOUR FORECAST WITHIN 26N121W TO 23N132W TO 26N136W TO 
30N135W TO 30N119W TO 26N121W WINDS 20 KT OR LESS. SEAS 8 TO 11 
FT IN N SWELL. WITHIN 13N133W TO 07N137W TO 05N140W TO 23N140W 
TO 19N133W TO 13N133W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE 
SWELL.

.WITHIN 15N95W TO 15N96W TO 16N96W TO 16N95W TO 15N95W... 
INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. 
SEAS LESS THAN 8 FT.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.12 HOUR FORECAST WITHIN 11N86W TO 10.5N87.5W TO 11N87.5W TO
11.5N87W TO 11.5N86.5W TO 11N86W...INCLUDING THE GULF OF
PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.33 HOUR FORECAST WITHIN 11N86W TO 10.5N87.5W TO 11N87.5W TO 
11.5N87W TO 11.5N86.5W TO 11N86W...INCLUDING THE GULF OF 
PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.39 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.24 HOUR FORECAST WITHIN 03.4S113W TO 03.4S120W TO 03S120W TO
02S118W TO 02S114W TO 03.4S113W WINDS 20 KT OR LESS. SEAS 8 FT
IN S TO SW SWELL.
.48 HOUR FORECAST WITHIN 03.4S96W TO 03.4S120W TO 01S120W TO 
01N114W TO 02S100W TO 03.4S96W WINDS 20 KT OR LESS. SEAS 8 TO
9 FT IN S TO SW SWELL.

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

CONVECTION VALID AT 0300 UTC SAT MAY 8...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM LOW PRES NEAR 07N74W TO 07N90W TO LOW 
PRES NEAR 12.5N104W TO 09N110W. ITCZ FROM 09N110W TO 03N133W TO 
05N140W. SCATTERED MODERATE ISOLATED STRONG CONVECTION FROM 07N
TO 09N BETWEEN 80W AND 83W...AND WITHIN 180 NM NE SEMICIRCLE OF 
LOW NEAR 12.5N104W. SCATTERED MODERATE FROM 05N TO 08N BETWEEN 
86W AND 91W...AND FROM 09.5N TO 13N BETWEEN 104W AND 114W.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.