000
FZPN03 KNHC 182105
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC MON DEC 18.
24 HOUR FORECAST VALID 1800 UTC TUE DEC 19.
48 HOUR FORECAST VALID 1800 UTC WED DEC 20.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.N OF 20N W OF 113W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN 
NW SWELL.
.24 HOUR FORECAST FROM 14N TO 20N BETWEEN 115W AND 121W WINDS 20 
KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL.
.42 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.N OF 14.5N BETWEEN 94.5W AND 95.5W...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 WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.FROM 10N TO 12N W OF 135W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT 
IN MIXED NW SWELL AND NE WIND WAVES.
.24 HOUR FORECAST FROM 12N TO 18N W OF 130W AND N OF 18N W 
OF 138W WINDS 20 KT OR LESS. SEAS TO 8 FT IN NW SWELL.
.48 HOUR FORECAST FROM 12N TO 17N W OF 130W WINDS 20 KT OR LESS.
SEAS TO 8 FT IN NW SWELL.

.LOW PRES NEAR 09N109W 1010 MB. WITHIN 180 NM NE SEMICIRCLE 
WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED SWELL. FROM 02N TO 09N 
BETWEEN 110W AND 116W WINDS 20 KT OR LESS. SEAS TO 8 FT 
PRIMARILY IN NW SWELL. 
.12 HOUR FORECAST LOW PRES DISSIPATED. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.12 HOUR FORECAST FROM 10N TO 12N E OF 89W...INCLUDING THE 
GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 
FT.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 
.36 HOUR FORECAST FROM 10N TO 12N E OF 89W...INCLUDING THE GULF 
OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST 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 2100 UTC MON DEC 18...

.SCATTERED MODERATE ISOLATED STRONG WITHIN AREA BOUNDED BY 
13N121W TO 18N117W TO 18N107W TO 15N106W TO 12N113W TO 13N121W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
ITCZ FROM 06N93W TO LOW PRES NEAR 09N109W TO 09N130W TO 09N140W. 
SCATTERED MODERATE ISOLATED STRONG FROM 08N TO 10N BETWEEN 106W 
AND 112W. SCATTERED MODERATE FROM 07N TO 10N BETWEEN 125W AND 
129W AND FROM 08N TO 10N BETWEEN 136W AND 139W. 

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.