000
FZPN03 KNHC 182054
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC THU JAN 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 JAN 18.
24 HOUR FORECAST VALID 1800 UTC FRI JAN 19.
48 HOUR FORECAST VALID 1800 UTC SAT JAN 20.

.WARNINGS.

...GALE WARNING...
.WITHIN 45 NM EITHER SIDE OF A LINE FROM 16N95W TO 13N96W...
INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 40 KT.
SEAS 10 TO 17 FT. ELSEWHERE WITHIN AREA BOUNDED BY 16N95W TO 
13.5N93W TO 10N97W TO 10N106W TO 16N95W NE TO E WINDS 20 TO 30 
KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST WITHIN AREA BOUNDED BY 15N94W TO 16N94W TO 
16N96W TO 14N97W TO 13N96W TO 14N94W TO 15N94W...INCLUDING THE 
GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 11 
FT.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 30N132W TO 25N140W. W OF FRONT N TO NE WINDS 20
TO 25 KT. SEAS 12 TO 16 FT IN MIXED SE AND NW SWELL. ELSEWHERE W
OF A LINE FROM 30N116W TO 22N110W TO 15N100W TO 12N90W TO 06N90W
TO 03.4S103W WINDS 20 KT OR LESS. SEAS 8 TO 14 FT IN MIXED SWELL.
.24 HOUR FORECAST WEAKENING COLD FRONT FROM 30N122W TO 22N135W. N
OF 22N W OF FRONT N TO NE WINDS 20 TO 30 KT. SEAS 12 TO 15 FT IN
MIXED SE AND NW SWELL. FROM 12N TO 22N W OF 132W NE WINDS 20 TO
25 KT. SEAS 11 TO 13 FT IN MIXED NE AND NW SWELL. ELSEWHERE W OF
A LINE FROM 30N116W TO 22N111W TO 17N118W TO 14N93W TO 10N90W TO
06N90W TO 03.4S94W WINDS 20 KT OR LESS. SEAS 8 TO 14 FT IN MIXED
SWELL...HIGHEST NEAR 30N118W.
.48 HOUR FORECAST DISSIPATING COLD FRONT FROM 26N113W TO 18N130W.
WITHIN AREA BOUNDED BY 26N140W TO 26N116W TO 10N130W TO 10N140W
TO 26N140W NE TO E WINDS 20 TO 30 KT. SEAS 10 TO 15 FT IN MIXED
NE AND NW SWELL. ELSEWHERE W OF A LINE FROM 30N116W TO 12N100W TO
09N90W TO 03.4S93W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED
NE AND NW SWELL.

.WITHIN 30 NM EITHER SIDE OF A LINE FROM 11N86W TO 09N89W...
INCLUDING THE GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS TO 8
FT.
.24 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF A LINE FROM 11N86W
TO 08.5N90W TO 08N94W...INCLUDING THE GULF OF PAPAGAYO...NE WINDS
20 TO 25 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.36 HOUR FORECAST GULF OF CALIFORNIA COLD FRONT FROM 31.5N114W TO
30N115W. WITHIN 45 NM SE OF FRONT S TO SW WINDS 20 TO 25 KT. SEAS
LESS THAN 8 FT. N OF FRONT NW TO N WINDS 20 TO 25 KT. SEAS LESS
THAN 8 FT.
.48 HOUR FORECAST DISSIPATING COLD FRONT 28N111W TO 27N113W. NEW
COLD FRONT FROM 31N113W TO 30N114W. N OF NEW FRONT NW TO N WINDS
20 TO 30 KT. SEAS TO 8 FT.

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

CONVECTION VALID AT 2100 UTC THU JAN 18...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH AXIS EXTENDS FROM 09N76W TO 05N86W TO 05N104W. ITCZ AXIS
EXTENDS FROM 05N104W TO 07N114W TO 06N125W TO 07N140W. SCATTERED
MODERATE WITHIN 90 NM N OF TROUGH E OF 81W...INCLUDING THE GULF
OF PANAMA...WITHIN 90 NM N OF TROUGH BETWEEN 97W AND 103W...
WITHIN 180 NM N OF TROUGH BETWEEN 108W AND 117W...AND WITHIN AREA
BOUNDED BY 17N127W TO 08N118W TO 06N127W TO 12N137W TO 17N127W.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.