000
FZPN03 KNHC 230900
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL 
1030 UTC TUE JAN 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC TUE JAN 23.
24 HOUR FORECAST VALID 0600 UTC WED JAN 24.
48 HOUR FORECAST VALID 0600 UTC THU JAN 25.

.WARNINGS.

...GULF OF TEHUANTEPEC GALE WARNING...

.N OF 14.5N BETWEEN 94.5W AND 95.5W...INCLUDING GULF OF 
TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.18 HOUR FORECAST WITHIN 15 NM EITHER SIDE OF LINE FROM 16N95W 
TO 15N95W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 
35 KT. SEAS 10 TO 12 FT. ELSEWHERE WITHIN 45 NM EITHER SIDE OF 
LINE FROM 16N95W TO 15N95W TO 13.5N96W N TO NE WINDS 20 TO 30 
KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST WITHIN 15 NM EITHER SIDE OF LINE FROM 16N95W 
TO 15N95W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 
35 KT. SEAS 10 TO 12 FT. ELSEWHERE WITHIN 45 NM EITHER SIDE OF 
LINE FROM 16N95W TO 15N95W TO 13N96W N TO NE WINDS 20 TO 30 KT. 
SEAS 8 TO 11 FT. REMAINDER OF AREA FROM 12N TO 15N BETWEEN 94W 
AND 97W WINDS 20 KT OR LESS. SEAS TO 10 FT IN N TO NE SWELL. 
.48 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 16N95W 
TO 14.5N95.5W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 30 
TO 35 KT. SEAS 10 TO 14 FT. ELSEWHERE WITHIN 60 NM EITHER SIDE 
OF LINE FROM 16N95W TO 15N95W TO 13N96.5W N TO NE WINDS 20 TO 30 
KT. SEAS 8 TO 12 FT. REMAINDER OF AREA FROM 9N TO 15N BETWEEN 
93W AND 103W WINDS 20 KT OR LESS. SEAS TO 10 FT IN N TO NE SWELL.

.SYNOPSIS AND FORECAST.

.FROM 12N TO 20N W OF 120W NE TO E WINDS 20 TO 25 KT. SEAS 10 TO 
13 FT. ELSEWHERE W OF LINE FROM 30N116W TO 18N105W TO 07N116W TO 
01N140W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT PRIMARILY IN NW 
SWELL. 
.24 HOUR FORECAST FROM 11N TO 15N W OF 132W NE TO E WINDS 20 TO 
25 KT. SEAS 10 TO 13 FT. ELSEWHERE N OF 05N W OF 112W...EXCEPT N 
OF 27N BETWEEN 125W AND 136W WINDS 20 KT OR LESS. SEAS 8 TO 11 
FT PRIMARILY IN NW SWELL.
.48 HOUR FORECAST FROM 13N TO 22N W OF 130W NE TO E WINDS 20 TO 
25 KT. SEAS 9 TO 12 FT. ELSEWHERE W OF LINE FROM 30N130W TO 
10N113W TO 01N133W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT 
PRIMARILY IN NW SWELL.

.GULF OF CALIFORNIA S OF 30N NW WINDS 20 TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST GULF OF CALIFORNIA N OF 25N NW WINDS 20 TO 25 
KT. SEAS TO 8 FT.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.18 HOUR FORECAST 10N TO 11.5N E OF 88W...INCLUDING GULF OF 
PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE. 

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

CONVECTION VALID AT 0800 UTC TUE JAN 23...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH FROM 10N74W TO 06N80W TO 06N95W. ITCZ CONTINUES 
FROM 06N95W TO 06N115W TO BEYOND 07N140W. SCATTERED MODERATE 
ISOLATED STRONG FROM 03N TO 08N BETWEEN 76W AND 80W. SCATTERED 
MODERATE FROM 08N TO 13N BETWEEN 127W AND 140W. 

$$
.FORECASTER LATTO. NATIONAL HURRICANE CENTER.