000
FZPN03 KNHC 170320
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC WED JAN 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC WED JAN 17.
24 HOUR FORECAST VALID 0000 UTC THU JAN 18.
48 HOUR FORECAST VALID 0000 UTC FRI JAN 19.

.WARNINGS.

...GALE WARNING...
.WITHIN 45 NM OF LINE FROM 16N95W TO 14N95.5W...INCLUDING THE 
GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 40 KT. SEAS 8 TO 15 
FT. ELSEWHERE WITHIN 60 NM OF LINE FROM 16N95W TO 14.5N95W TO 
13N96W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. REMAINING 
WATERS FROM 01N TO 14N BETWEEN 92W AND 106W WINDS 20 KT OR LESS. 
SEAS 8 TO 10 FT IN MIXED SWELL. 
.24 HOUR FORECAST WITHIN 90 NM OF LINE FROM 16N95W TO 14N95.5W 
TO 12N96.5W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 
30 TO 45 KT. SEAS 10 TO 20 FT. ELSEWHERE WITHIN 150 NM OF LINE 
FROM 16N95W TO 13N95.5W TO 07.5N101W N TO NE WINDS 20 TO 30 KT. 
SEAS 8 TO 16 FT. REMAINING WATERS FROM 04N TO 14.5N BETWEEN 90W 
AND 102W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED NW AND NE 
SWELL.
.48 HOUR FORECAST WITHIN 45 NM OF LINE FROM 16N95W TO 
14N95.5W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 
TO 40 KT. SEAS 8 TO 13 FT. ELSEWHERE WITHIN 75 NM OF LINE FROM 
16N95W TO 14.5N95W TO 12N97W N TO NE WINDS 20 TO 30 KT. SEAS 9 
TO 13 FT. FROM 09N TO 11.5N BETWEEN 97W AND 104W NE TO E WINDS 
20 TO 25 KT. SEAS 11 TO 14 FT. REMAINING WATERS FROM 00N TO 15N 
BETWEEN 90W AND 100W WINDS 20 KT OR LESS. SEAS 8 TO 14 FT IN 
MIXED SWELL.

.SYNOPSIS AND FORECAST.

.WITHIN 45 NM OF LINE FROM 11N86W TO 09N87.5W...INCLUDING THE 
GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS TO 8 FT. ELSEWHERE 
FROM 04N TO 10.5N BETWEEN 87.5W AND 92W WINDS 20 KT OR LESS. 
SEAS TO 9 FT IN MIXED SWELL.
.24 HOUR FORECAST WITHIN 30 NM OF LINE FROM 11N86W TO 
09N87.5W...INCLUDING THE GULF OF PAPAGAYO... NE WINDS 20 TO 25 
KT. SEAS TO 8 FT. N OF 11.5N BETWEEN 87.5N AND 89W N TO NE WINDS 
20 TO 25 KT. SEAS LESS THAN 8 FT. 
.48 HOUR FORECAST WITHIN 45 NM OF LINE FROM 11N86W TO 
09.5N88.5W...INCLUDING THE GULF OF PAPAGAYO...NE WINDS 20 TO 25 
KT. SEAS TO 8 FT. ELSEWHERE FROM 05N TO 10.5N BETWEEN 87.5N AND 
90W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL. 

.W OF LINE FROM 30N116W TO 15N120W TO 10N125W WINDS 20 KT OR 
LESS. SEAS 12 TO 14 FT IN NW SWELL. REMAINING OPEN WATERS W OF 
105W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED NW AND NE 
SWELL.
.24 HOUR FORECAST COLD FRONT FROM 30N137W TO 28.5N140W. NW OF 
FRONT WINDS 20 KT OR LESS. SEAS 10 TO 16 FT IN NW SWELL. 
REMAINING OPEN WATERS W OF 102W WINDS 20 KT OR LESS. SEAS 8 TO 
12 FT IN MIXED NW AND NE SWELL.
.48 HOUR FORECAST COLD FRONT FROM 30N130W TO 24.5N140W. NW OF 
FRONT W OF 134W N TO NE WINDS 20 TO 25 KT. SEAS 13 TO 15 FT IN 
NW SWELL. REMAINING OPEN WATERS W OF 100W WINDS 20 KT OR LESS. 
SEAS 8 TO 14 FT IN MIXED NW AND NE SWELL...HIGHEST 100W AND 
105W. 

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

CONVECTION VALID AT 0245 UTC WED JAN 17... 

.SCATTERED MODERATE FROM 11N TO 14.5N BETWEEN 107W AND 125W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH FROM 05N78.5W TO 08.5N85W TO 05N95W. ITCZ FROM 
05N95W TO 09N131W TO BEYOND 08N140W. SCATTERED MODERATE ISOLATED 
STRONG FROM 03.5N TO 09N BETWEEN 77W AND 92W. SCATTERED MODERATE 
ISOLATED STRONG WITHIN 120 NM N OF THE ITCZ BETWEEN 105W AND 
120W. SCATTERED TO LOCALLY NUMEROUS MODERATE TO STRONG WITHIN 
180 NM N AND 60 NM S OF THE ITCZ BETWEEN 120W AND 140W.

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.