020 
FZPN03 KNHC 122130
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL 
2230 UTC THU JUL 12 2018

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 THU JUL 12.
24 HOUR FORECAST VALID 1800 UTC FRI JUL 13.
48 HOUR FORECAST VALID 1800 UTC SAT JUL 14.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST. 

.GULF OF TEHUANTEPEC WITHIN 45 NM OF LINE FROM 16N95W TO 13N96W 
INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS 
TO 9 FT. 
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.LOW PRES NEAR 12N134W 1008 MB. FROM 12N TO 15N BETWEEN 128W AND 
135W E WINDS 20 TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW PRES NEAR 12N138W 1009 MB. FROM 12N TO 17N 
W OF 129W NE TO E WINDS 20 TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST TROUGH FROM 13N135W TO 12N140W. FROM 13N TO 
18N W OF 132W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.

.06 HOUR FORECAST FROM 10N TO 12N E OF 88W...INCLUDING GULF OF 
PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST FROM 10N TO 12N E OF 88W...INCLUDING GULF OF 
PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST FROM 09N TO 12N E OF 91W...INCLUDING GULF OF 
PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS TO 9 FT.

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

CONVECTION VALID AT 2100 UTC THU JUL 12...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... 

MONSOON TROUGH EXTENDS FROM 1008 MB LOW OVER COLOMBIA NEAR 
10N75W TO 07N95W TO 1008 MB LOW AT 12N134W TO 09N140W. THERE IS 
NO ITCZ OVER THE EASTERN PACIFIC AT THIS TIME. SCATTERED 
MODERATE CONVECTION WITHIN 180 NM OF THE TROUGH BETWEEN 92W AND 
98W AS WELL AS BETWEEN 118W AND 137W.

$$
.FORECASTER LANDSEA. NATIONAL HURRICANE CENTER.