000
FZPN03 KNHC 210831
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC THU DEC 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC THU DEC 21.
24 HOUR FORECAST VALID 0600 UTC FRI DEC 22.
48 HOUR FORECAST VALID 0600 UTC SAT DEC 23.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN AREA BOUNDED BY 16N94W TO 16N95W TO 15N95W TO 15N94W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC... NW TO N WINDS 20
TO 25 KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.WITHIN AREA BOUNDED BY 11N86W TO 11N88W TO 10N89W TO 10N87W TO
11N86W...INCLUDING THE GULF OF PAPAGAYO... NE WINDS 20 TO 25 KT.
SEAS LESS THAN 8 FT.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.WITHIN AREA BOUNDED BY 25N125W TO 27N135W TO 24N140W TO 
16N140W TO 15N129W TO 19N123W TO 25N125W WINDS 20 KT OR LESS. 
SEAS 8 FT IN NW SWELL. 
.24 HOUR FORECAST  WITHIN AREA BOUNDED BY 26N137W TO 27N140W TO 
25N140W TO 22N138W TO 21N137W TO 22N136W TO 26N137W E TO SE WINDS
20 TO 25 KT. SEAS 8 TO 9 FT. WITHIN AREA BOUNDED BY 20N120W TO 24N134W TO 
30N140W TO 17N140W TO 14N128W TO 16N121W TO 20N120W WINDS 20 KT
OR LESS. SEAS 8 FT IN NW SWELL.
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 27N136W TO 30N137W TO 
30N140W TO 25N140W TO 24N138W TO 27N136W SE TO S WINDS 20 TO 30 
KT. SEAS 8 TO 12 FT IN MIXED SE WIND WAVES AND NW SWELL. WITHIN 
AREA BOUNDED BY 19N118W TO 30N133W TO 25N140W TO 18N140W TO 
13N135W TO 14N121W TO 19N118W E WINDS 20 TO 25 KT. SEAS 8 FT IN 
NW SWELL.

.WITHIN AREA BOUNDED BY 30N118.5W TO 30N120.5W TO 29.5N121.5W TO
29.5N121W TO 29.5N120W TO 29.5N119W TO 30N118.5W WINDS 20 KT OR
LESS. SEAS 8 TO 9 FT IN NW SWELL. 
.24 HOUR FORECAST WITHIN AREA BOUNDED BY 30N118W TO 30N126W TO 
28N125W TO 26N120W TO 27N118W TO 30N118W WINDS 20 KT OR LESS. 
SEAS 8 FT IN NW SWELL. 
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 26N117W TO 27N118W TO 
27N120W TO 26N119W TO 24N120W TO 25N117W TO 26N117W WINDS 20 KT 
OR LESS. SEAS 8 FT IN NW SWELL.

.06 HOUR FORECAST COLD FRONT FROM 30N112W TO 28N122W. WITHIN 
AREA BOUNDED BY 31N113W TO 31N114W TO 31N115W TO 30N114W TO 
30N113W TO 31N113W...INCLUDING GULF OF CALIFORNIA... NW TO N 
WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT. 
.24 HOUR FORECAST DISSIPATING COLD FRONT FROM 26N109W TO 
24N122W. WITHIN AREA BOUNDED BY 29N112W TO 30N113W TO 28N113W TO 
26N111W TO 27N111W TO 29N112W...INCLUDING GULF OF CALIFORNIA... 
NW TO N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.48 HOUR FORECAST COLD FRONT DISSIPATED. WITHIN AREA BOUNDED BY
27N111W TO 28N113W TO 26N111W TO 24N110W TO 23N109W TO 24N109W 
TO 27N111W...INCLUDING GULF OF CALIFORNIA... NW TO 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 0830 UTC THU DEC 21...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
ITCZ AXIS EXTENDS FROM 07N102W TO 10N120W TO BEYOND 09N140.
SCATTERED MODERATE ISOLATED STRONG FROM 10N TO 17N BETWEEN 112N
AND 124W.

$$
.FORECASTER LANDSEA. NATIONAL HURRICANE CENTER.