172 
FZPN03 KNHC 280940
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC SAT JUL 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SAT JUL 28.
24 HOUR FORECAST VALID 0600 UTC SUN JUL 29.
48 HOUR FORECAST VALID 0600 UTC MON JUL 30.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROPICAL DEPRESSION GILMA NEAR 15.1N 132.4W 1007 MB AT 0900 UTC
JUL 28 MOVING W OR 280 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 30
KT GUSTS 40 KT. WITHIN 150 NM NE SEMICIRCLE WINDS 20 TO 30 KT.
SEAS 8 TO 11 FT.
.24 HOUR FORECAST TROPICAL DEPRESSION GILMA NEAR 16.0N 135.7W. 
MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 180 NM N
SEMICIRCLE AND 60 NM SE QUADRANT WINDS 20 TO 25 KT. SEAS 8 TO 10
FT.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW GILMA NEAR 16.4N 
139.3W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. OVER FORECAST
WATERS WITHIN 150 NM NW SEMICIRCLE WINDS 20 TO 25 KT. SEAS TO 9
FT.
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW GILMA NEAR 16.5N 
143.5W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. EXTENDED 
OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST...DISSIPATED.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

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

.TROPICAL WAVE ALONG 102W FROM 05N TO 16N...SCATTERED MODERATE 
ISOLATED STRONG WITHIN 180 NM OF WAVE AXIS. 

.TROPICAL WAVE ALONG 120W FROM 08N TO 16N...SCATTERED MODERATE
FROM 10N TO 15N BETWEEN 120W AND 123W.

.TROPICAL DEPRESSION GILMA...SCATTERED MODERATE WITHIN 120 NM SE
QUADRANT OF CENTER.

CONVECTION VALID AT 0900 UTC SAT JUL 28...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 08N78W TO 09N115W. SCATTERED 
MODERATE FROM 05N TO 09N BETWEEN 85W AND 90W.

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.