847
FZPN03 KNHC 192025
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC WED AUG 19 2026

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC WED AUG 19.
24 HOUR FORECAST VALID 1800 UTC THU AUG 20.
48 HOUR FORECAST VALID 1800 UTC FRI AUG 21.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 10N139W 1007 MB MOVING W 12 KT. WITHIN 14N137W TO
14N139W TO 13N139W TO 12N138W TO 12N137W TO 12N136W TO 14N137W E
TO SE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN
15N134W TO 15N137W TO 15N139W TO 13N140W TO 11N139W TO 12N136W TO
15N134W WINDS 20 KT OR LESS. SEAS 2.5 M IN E TO SE SWELL.
SCATTERED TO NUMEROUS TSTORMS FROM 08N TO 15N BETWEEN 132W AND
143W.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
12N143W 1005 MB. OVER FORECAST WATERS WITHIN 15N139W TO 17N140W
TO 18N140W TO 13N140W TO 14N139W TO 15N139W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN E TO SE SWELL.
.36 HOUR FORECAST LOW PRES TO MOVE WELL W OF 140W. OVER FORECAST
WATERS WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

.WITHIN 15N95W TO 16N95W TO 15N95W TO 14N96W TO 15N95W...INCLUDING
THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.WITHIN 11N87W TO 11N89W TO 10N89W TO 11N87W...INCLUDING THE
GULF OF PAPAGAYO... NE TO E WINDS 20 TO 25 KT. SEAS TO 2.5 M.
ELSEWHERE WITHIN 11N90W TO 11N92W TO 10N93W TO 10N92W TO 10N91W
TO 10N89W TO 11N90W WINDS 20 KT OR LESS. SEAS 2.5 M IN MERGING E
AND S SWELL.
.24 HOUR FORECAST WITHIN 10.5N87W TO 11N86.5W TO 10.5N88W TO
10.5N88.5W TO 10N88.5W TO 10N88W TO 10.5N87W...INCLUDING THE GULF
OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.WITHIN 02N95W TO 04N111W TO 00N137W TO 03.4S120W TO 03.4S81W TO
02N95W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SE TO S
AND SW SWELL.
.24 HOUR FORECAST WITHIN 01S104W TO 03N109W TO 00N131W TO
03.4S117W TO 03.4S91W TO 01S104W WINDS 20 KT OR LESS. SEAS 2.5 M
IN MIXED SE TO S AND SW SWELL.
.48 HOUR FORECAST WITHIN 00N106W TO 01N111W TO 01N119W TO
02S116W TO 03.4S107W TO 00N106W WINDS 20 KT OR LESS. SEAS 2.5 M
IN MIXED S AND SE SWELL.

.48 HOUR FORECAST WITHIN 12N101W TO 12N102W TO 11N102W TO
11N100W TO 12N101W E TO SE WINDS 20 TO 25 KT. SEAS 2.5 M IN S
SWELL.

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

CONVECTION VALID AT 2000 UTC WED AUG 19...

.LOW PRES NEAR 10N139W...NUMEROUS MODERATE TO STRONG FROM 08N TO
15.5N BETWEEN 132W AND 143W. SCATTERED MODERATE ELSEWHERE FROM
00N TO 05.5N BETWEEN 137W AND 148W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N75W TO 08N91W TO 09.5N108W TO 07N128W TO
LOW PRESSURE 1007 MB...INVEST EP90...NEAR 10N138W TO BEYOND
09.5N140W. SCATTERED MODERATE CONVECTION FROM 03N TO 08.5N E OF
89W. SCATTERED TO LOCALLY NUMEROUS MODERATE ISOLATED STRONG
CONVECTION FROM 05N TO 15.5N BETWEEN 89W AND 100W. SCATTERED
MODERATE ISOLATED STRONG CONVECTION FROM 07N TO 15N BETWEEN 101W
AND 113W AND FROM 03N TO 13N BETWEEN 113W AND 131W.

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.