000
FZPN03 KNHC 171508
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC SUN DEC 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SUN DEC 17.
24 HOUR FORECAST VALID 1200 UTC MON DEC 18.
48 HOUR FORECAST VALID 1200 UTC TUE DEC 19.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 31N113W 1005 MB WITH COLD FRONT TO 27N114W TO 
24N117W. N OF 27N BETWEEN 121W AND 128W N WINDS 20 TO 25 KT. 
SEAS 10 TO 16 FT IN NW TO N SWELL. ELSEWHERE N OF LINE FROM 
24.5N114W TO 24N129W TO 27.5N134W WINDS 20 KT OR LESS. SEAS 8 TO 
11 FT NW TO N SWELL.
.12 HOUR FORECAST DISSIPATING COLD FRONT FROM 24N111W TO 
20N112W. N OF 22N BETWEEN 113W AND 134W WINDS 20 KT OR LESS. 
SEAS 8 TO 12 FT IN NW TO N SWELL.
.24 HOUR FORECAST COLD FRONT DISSIPATED. N OF 20W BETWEEN 112W 
AND 136W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW TO N SWELL. 
.48 HOUR FORECAST FROM 13N TO 18N BETWEEN 115W AND 130W WINDS 20 
KT OR LESS. SEAS 8 TO 9 FT IN MIXED NW TO N SWELL AND NE WIND 
WAVES.

.W OF LINE FROM 27.5N134W TO 10N111W TO 03.4S118W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN NW SWELL AND NE WIND WAVES.
.24 HOUR FORECAST W OF LINE FROM 12N103W TO 03.4S115W WINDS 20 
KT OR LESS. SEAS TO 9 FT IN NW SWELL AND NE WIND WAVES.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.GULF OF CALIFORNIA LOW PRES NEAR 31N113W 1005 MB WITH COLD 
FRONT TO BEYOND 28.5N113.5W. E OF FRONT TO 111W S TO SW WINDS 20 
TO 25 KT. SEAS LESS THAN 8 FT. N OF 30N AND W OF 113.5W NW WINDS 
20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW NE OF AREA AND COLD FRONT DISSIPATED. 
WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.FROM 10N TO 12N E OF 88W...INCLUDING GULF OF PAPAGAYO...NE 
TO E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.12 HOUR FORECAST FROM 09.5N TO 11.5N E OF 89W...INCLUDING GULF 
OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT. 
.24 HOUR FORECAST FROM 10N TO 11.5N E OF 88W...INCLUDING GULF OF 
PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT. FROM 08.5N 
TO 11N BETWEEN 88W AND 92W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT 
IN MIXED NW AND NE SWELL.
.36 HOUR FORECAST FROM 08N TO 11N BETWEEN 90W AND 94W WINDS 20 
KT OR LESS. SEAS 8 TO 9 FT IN MIXED NW AND NE SWELL.
.48 HOUR FORECAST FROM 10N TO 12N E OF 88W...INCLUDING GULF OF 
PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.18 HOUR FORECAST N OF 14.5N BETWEEN 94W AND 95W...INCLUDING 
GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST N OF 14N BETWEEN 94.5W AND 95.5W...INCLUDING 
GULF OF TEHUANTEPEC...N WINDS 20 TO 30 KT. SEAS TO 8 FT.
.48 HOUR FORECAST N OF 14.5N BETWEEN 94.5W AND 95.5W...INCLUDING 
GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

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

CONVECTION VALID AT 1430 UTC SUN DEC 17...

.SCATTERED MODERATE ISOLATED STRONG FROM 02N TO 06N BETWEEN 78W 
AND 81W.

.SCATTERED MODERATE ISOLATED STRONG FROM 13N TO 17N BETWEEN 
106W AND 112W. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
ITCZ FROM 05.5N96W TO 10N123W TO 10N140W. NO SIGNIFICANT 
CONVECTION.

$$
.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.