000
FZPN03 KNHC 181520
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC MON DEC 18 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN AREA BOUNDED BY 30N134W TO 30N120W TO 24N111W TO 20N116W
TO 20N130W TO 25N138W TO 30N134W WINDS 20 KT OR LESS. SEAS 8 TO
10 FT IN MIXED NE AND NW SWELL.
.24 HOUR FORECAST WITHIN AREA BOUNDED BY 20N117W TO 20N113W TO
13N120W TO 13N130W TO 20N117W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT
IN MIXED NE AND NW SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.GULF OF CALIFORNIA N OF 30N W OF 113.5W NW TO N WINDS 20 TO 25
KT. SEAS LESS THAN 8 FT.
.06 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.WITHIN 30 NM EITHER SIDE OF A LINE FROM 16N95W TO 14N95W...
INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT.
SEAS TO 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.WITHIN 30 NM EITHER SIDE OF A LINE FROM 11N86W TO 10N88W TO
10N92W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25
KT. SEAS TO 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.FROM 10N TO 15N W OF 135W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN
MIXED NE AND SE SWELL.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST FROM 12N TO 15N W OF 135W WINDS 20 KT OR LESS.
SEAS TO 8 FT IN MIXED SE AND NW SWELL.
.48 HOUR FORECAST FROM 12N TO 16N W OF 134W WINDS 20 KT OR LESS.
SEAS TO 8 FT IN MIXED SE AND NW SWELL.

.LOW PRES NEAR 09N109W 1010 MB. WITHIN 240 NM NE SEMICIRCLE WINDS
20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL.
.18 HOUR FORECAST LOW PRES DISSIPATED. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

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

CONVECTION VALID AT 1500 UTC MON DEC 18...

.SCATTERED MODERATE ISOLATED STRONG WITHIN AREA BOUNDED BY
20N112W TO 20N108W TO 18N110W TO 18N113W TO 20N112W.

.SCATTERED MODERATE ISOLATED STRONG FROM 14N TO 18N BETWEEN 104W
AND 108W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH AXIS EXTENDS FROM 04N77W TO 06N93W. ITCZ AXIS EXTENDS 
FROM 06N93W TO 09N110W TO 10N130W TO 10N140W. SCATTERED 
MODERATE ISOLATED STRONG FROM 08N TO 10N BETWEEN 106W AND 109W 
AND ALSO FROM 11N TO 15N BETWEEN 114W AND 118W. SCATTERED 
MODERATE FROM 07N TO 10N BETWEEN 125W AND 129W.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.