000
FZPN03 KNHC 181530
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC FRI MAY 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC FRI MAY 18.
24 HOUR FORECAST VALID 1200 UTC SAT MAY 19.
48 HOUR FORECAST VALID 1200 UTC SUN MAY 20.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FROM 23N TO 29N E OF 117W WINDS 20 KT OR LESS. SEAS TO 8 FT IN 
MIXED NW AND SW SWELL.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.LOW PRES 1010 MB NEAR 10N121W. WITHIN 180 NM NW QUADRANT WINDS 
20 KT OR LESS. SEAS TO 8 FT IN NE SWELL. 
.06 HOUR FORECAST LOW PRES 10N124W 1010 MB. WINDS 20 KT OR LESS.
SEAS LESS THAN 8 FT. 
.24 HOUR FORECAST LOW PRES NEAR 09N128W 1011 MB. FROM 11N TO 17N 
W OF 126W WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LOW PRES NEAR 10N131W 1010 MB. WITHIN 210 NM 
NW QUADRANT OF LOW NE WINDS WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. 
ELSEWHERE N OF 11N W OF A LINE FROM 21N140W TO 12N123W WINDS 20 
KT OR LESS. SEAS 8 TO 9 FT IN MIXED NE AND SW SWELL.

.18 HOUR FORECAST S OF 0N BETWEEN 103W AND 120W WINDS 20 KT OR 
LESS. SEAS TO 8 FT IN SW SWELL.
.24 HOUR FORECAST S OF 02N BETWEEN 103W AND 127W WINDS 20 KT OR 
LESS. SEAS TO 8 FT IN SW SWELL. 
.48 HOUR FORECAST S OF 09N BETWEEN 92W AND 130W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN SW SWELL.

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

CONVECTION VALID AT 1530 UTC FRI MAY 18...

.SCATTERED MODERATE ISOLATED STRONG WITHIN 120 NM OFF THE COAST 
OF COLOMBIA...COSTA RICA...AND PANAMA.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS FROM 08N78W TO 09N92W TO 11N99W TO 1010 MB 
LOW PRES NEAR 10N121W TO 06N133W. ITCZ FROM 08N133W TO BEYOND 
05N140W. SCATTERED MODERATE ISOLATED STRONG FROM 05N TO 11N 
BETWEEN 91W AND 110W. SCATTERED MODERATE FROM 04N TO 12N BETWEEN 
114W AND 129W AND WITHIN 150 NM EITHER SIDE OF THE ITCZ.

$$
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.