000
FZPN03 KNHC 202123
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC THU DEC 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC THU DEC 20.
24 HOUR FORECAST VALID 1800 UTC FRI DEC 21.
48 HOUR FORECAST VALID 1800 UTC SAT DEC 22.

.WARNINGS.

...GALE WARNING...

.06 HOUR FORECAST WITHIN 15 NM EITHER SIDE OF LINE FROM 16N95W 
TO 15.5N96W...INCLUDING GULF OF TEHUANTEPEC...N WINDS 30 TO 35 
KT. SEAS TO 8 FT. ELSEWHERE WITHIN 30 NM EITHER SIDE OF LINE 
FROM 16N95W TO 15N95W N TO NE WINDS 20 TO 30 KT. SEAS LESS THAN 
8 FT.
.24 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 16N95W 
TO 14.5N95.5W TO 13.5N96.5W...INCLUDING GULF OF TEHUANTEPEC...N 
TO NE WINDS 30 TO 45 KT. SEAS 12 TO 19 FT. ELSEWHERE WITHIN 90 
NM EITHER SIDE OF LINE FROM 16N95W TO 13.5N95.5W TO 11N98.5W N 
TO NE WINDS 20 TO 30 KT. SEAS 9 TO 15 FT. REMAINDER OF AREA FROM 
10N TO 16N BETWEEN 93W AND 100W WINDS 20 KT OR LESS. SEAS 8 TO 
12 FT IN MIXED NE AND NW SWELL.
.42 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 16N95W 
TO 15N95W TO 13.5N96W...INCLUDING GULF OF TEHUANTEPEC...N TO NE 
WINDS 20 TO 30 KT. SEAS 9 TO 12 FT. ELSEWHERE FROM 06N TO 15N 
BETWEEN 94W AND 105W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT 
PRIMARILY IN NE SWELL.
.48 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 16N95W 
TO 15N95W TO 14N95.5W...INCLUDING GULF OF TEHUANTEPEC...N TO NE 
WINDS 20 TO 25 KT. SEAS TO 9 FT. ELSEWHERE FROM 04N TO 14N 
BETWEEN 93W AND 105W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT 
PRIMARILY IN NE SWELL.

...GALE WARNING...
.24 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 11N86W 
TO 10N87W...INCLUDING GULF OF PAPAGAYO...NE WINDS 20 TO 30 KT. 
SEAS LESS THAN 8 FT.
.36 HOUR FORECAST WITHIN 15 NM EITHER SIDE OF LINE FROM 11N86W 
TO 10.5N86.5W...INCLUDING GULF OF PAPAGAYO...NE TO E WINDS 30 TO 
35 KT. SEAS 8 TO 10 FT. ELSEWHERE WITHIN 60 NM EITHER SIDE OF 
LINE FROM 11N86W TO 08.5N88.5W NE WINDS 20 TO 30 KT. SEAS 8 TO 9 
FT. 
.48 HOUR FORECAST WITHIN 15 NM EITHER SIDE OF LINE FROM 11N86W 
TO 10.5N86.5W...INCLUDING GULF OF PAPAGAYO...NE TO E WINDS 30 TO 
35 KT. SEAS 9 TO 11 FT. ELSEWHERE WITHIN 45 NM EITHER SIDE OF 
LINE FROM 11N86W TO 08N91W NE WINDS 20 TO 30 KT. SEAS 9 TO 12 
FT. REMAINDER OF AREA WITHIN 90 NM EITHER SIDE OF LINE FROM 
11N86W TO 08N91W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT PRIMARILY 
IN NE SWELL.

.SYNOPSIS AND FORECAST.

.GULF OF CALIFORNIA FROM 25N TO 27N NW WINDS 20 TO 25 KT. SEAS 
LESS THAN 8 FT.
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.N OF LINE FROM 28N117W TO 25N124W WINDS 20 KT OR LESS. SEAS 12 
TO 13 FT IN NW SWELL. FROM 14N TO 18N W OF 138W WINDS 20 KT OR 
LESS. SEAS 11 TO 13 FT IN NW SWELL. ELSEWHERE IN OPEN WATERS W 
OF 93W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL.
.12 HOUR FORECAST FROM 10N TO 14N W OF 137W NE WINDS 20 TO 25 
KT. SEAS 11 TO 13 FT. ELSEWHERE W OF LINE FROM 30N116W TO 
20N110W TO 04N91W TO 03.4S93W WINDS 20 KT OR LESS. SEAS 8 TO 12 
FT IN NW SWELL.
.24 HOUR FORECAST FROM 10N TO 14N W OF 136W NE WINDS 20 TO 25 
KT. SEAS 11 TO 13 FT. ELSEWHERE IN OPEN WATERS W OF LINE FROM 
30N116W TO 12N103W TO 02N92W TO 03.4S92W WINDS 20 KT OR LESS. 
SEAS 8 TO 11 FT IN NW SWELL.
.48 HOUR FORECAST FROM 09N TO 16N W OF 136W NE WINDS 20 TO 25 
KT. SEAS 10 TO 12 FT. ELSEWHERE W OF LINE FROM 22N140W TO 
15N105W TO 06N105W TO 03.4S112W WINDS 20 KT OR LESS. SEAS 8 TO 
11 FT PRIMARILY IN NW SWELL. N OF 27N BETWEEN 116W AND 128W 
WINDS 20 KT OR LESS. SEAS 8 FT IN NW SWELL. N OF 29N BETWEEN 
117W AND 125W WINDS 20 KT OR LESS. SEAS 8 FT IN NW SWELL.

.36 HOUR FORECAST N OF 05N BETWEEN 79W AND 81W...INCLUDING GULF 
OF PANAMA...N 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 2045 UTC THU DEC 20...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH FROM 09N75W TO 04N84W TO 03N92W TO 03N100W. ITCZ 
CONTINUES FROM 03N100W TO 05N109W TO 05N131W TO BEYOND 07N140W. 
SCATTERED MODERATE ISOLATED STRONG FROM 04N TO 07N E OF 88W AND 
FROM 11N TO 13N BETWEEN 116W AND 123W. SCATTERED MODERATE FROM 
05.5N TO 10.5N W OF 129W.

$$
.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.