861 
FZPN03 KNHC 310959
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC TUE JUL 31 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC TUE JUL 31.
24 HOUR FORECAST VALID 0600 UTC WED AUG 01.
48 HOUR FORECAST VALID 0600 UTC THU AUG 02.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 12N114W 1010 MB. WITHIN 90 NM E SEMICIRCLE WINDS 
20 TO 25 KT. SEAS 8 FT. 
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
13N119W 1009 MB. WITHIN 90 NM NE AND 45 NM SW SEMICIRCLES WINDS 
20 TO 25 KT. SEAS TO 9 FT. 
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
15N123W 10091 MB. WITHIN 90 N AND 45 NM S SEMICIRCLES WINDS 20 
TO 30 KT. SEAS 8 TO 10 FT.

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

CONVECTION VALID AT 0900 UTC TUE JUL 31...

.LOW PRES NEAR 12N114W 10109 MB. SCATTERED MODERATE TO ISOLATED 
STRONG WITHIN 45 NM EITHER SIDE OF LINE FROM 16N112W TO 11N117W.

.TROPICAL WAVE ALONG 134W FROM 09N AND 23N. SCATTERED MODERATE
FROM 07N TO 10N BETWEEN 129W AND 132W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 09N78W TO 13N105W TO LOW 
PRESSURE NEAR 12N114W TO 10N125W TO 12N135W. ITCZ FROM 12N135W 
TO 09N140W. OUTSIDE OF THE CONVECTION ASSOCIATED WITH THE 
TROPICAL WAVE AND LOW PRESSURE...SCATTERED MODERATE FROM 09N TO 
13N BETWEEN 98W AND 105W.

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.