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High Seas Forecast (Tropical NE Pacific)



000
FZPN03 KNHC 181533
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC SUN AUG 18 2019

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SUN AUG 18.
24 HOUR FORECAST VALID 1200 UTC MON AUG 19.
48 HOUR FORECAST VALID 1200 UTC TUE AUG 20.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.N OF 28N BETWEEN 120W AND 128W WINDS 20 KT OR LESS. SEAS TO 8 
FT IN MIXED NE AND NW SWELL.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.LOW PRES NEAR 12N92W 1010 MB MOVING WNW 5 KT. WINDS 20 KT OR 
LESS. SEAS LESS THAN 8 FT. SCATTERED TSTMS WITHIN 150 NM NW 
SEMICIRCLE.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
13.5N95W 1007 MB. WITHIN 120 NM N SEMICIRCLE E TO SE WINDS 20 TO 
25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
13.5N99.5W 1006 MB. WITHIN 180 NM N SEMICIRCLE WINDS 20 TO 25 
KT. SEAS TO 9 FT.

.24 HOUR FORECAST LOW PRES NEAR 13.5N119.5W 1008 MB. WITHIN 
120 NM N QUADRANT AND 180 NM E SEMICIRCLE WINDS 20 KT OR LESS.
SEAS TO 8 FT IN MIXED SWELL.
.48 HOUR FORECAST LOW PRES NEAR 13.5N122W 1008 MB. WITHIN 120 NM 
OF CENTER...EXCEPT 0 NM W QUADRANT WINDS 20 TO 25 KT. SEAS TO 9 
FT.

.48 HOUR FORECAST S OF 01.5N BETWEEN 113W AND 129W WINDS 20 KT 
OR LESS. SEAS TO 8 FT IN FRESH SW SWELL.

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

CONVECTION VALID AT 1445 UTC SUN AUG 18...

.LOW PRES NEAR 12N92W...SCATTERED MODERATE TO STRONG WITHIN 
75 NM SE AND 120 NM NW SEMICIRCLES...AND FROM 11N TO 13.5N 
BETWEEN 87.5W AND 90W.

.LOW PRES NEAR 12.5N117.5W...SCATTERED TO LOCALLY NUMEROUS 
MODERATE TO STRONG WITHIN 270 NM SW SEMICIRCLE.

.LOW PRES NEAR 14N128W... SCATTERED MODERATE TO STRONG WITHIN 
150 NM N QUADRANT.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09.5N74W TO 08.5N86W TO LOW PRES NEAR 12N92W 
TO LOW PRES NEAR 12.5N117.5W TO LOW PRES NEAR 14N128W TO 
12N133W. SCATTERED MODERATE TO STRONG FROM 08N TO 11N BETWEEN 
93W AND 99W. SCATTERED TO LOCALLY NUMEROUS MODERATE TO STRONG 
FROM 08N TO 16.5N BETWEEN 95W AND 100W AND ALSO FROM 09N TO 
16.5N BETWEEN 108W AND 113W. 

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.