000
FZPN03 KNHC 170918
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC TUE APR 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC TUE APR 17.
24 HOUR FORECAST VALID 0600 UTC WED APR 18.
48 HOUR FORECAST VALID 0600 UTC THU APR 19.

.WARNINGS.

...GALE WARNING...
.WITHIN 30 NM OF LINE FROM 16N95W TO 14.5N95.5W...INCLUDING GULF 
OF TEHUANTEPEC...N TO NE WINDS 30 TO 35 KT. SEAS 10 TO 13 FT. 
ELSEWHERE WITHIN 60 NM OF LINE FROM 16N95W TO 14.5N95.5W TO 
13.5N97W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. REMAINDER 
OF AREA FROM 06N TO 15N BETWEEN 93W AND 110W WINDS 20 KT OR 
LESS. SEAS 8 TO 11 FT IN N TO NE SWELL.
.12 HOUR FORECAST WITHIN 30 NM OF A LINE FROM 16N95W TO 
13.5N96W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 
25 KT. SEAS 8 TO 11 FT. ELSEWHERE FROM 03N TO 14N BETWEEN 93W 
AND 110W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. S 
OF 03N BETWEEN 105W AND 120W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT 
IN MIXED NW AND SW SWELL. 
.18 HOUR FORECAST GULF OF TEHUANTEPEC WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT. 

.SYNOPSIS AND FORECAST.

.FROM 23N TO 27N W OF 125W NE WINDS 20 TO 25 KT. SEAS 9 TO 11 FT 
IN MIXED NW AND NE SWELL. ELSEWHERE N OF 06N W OF 110W WINDS 20 
KT OR LESS. SEAS 8 TO 11 FT IN MIXED NW AND NE SWELL. 
.24 HOUR FORECAST SE OF LINE FROM 30N130W TO 24N140W TO ANOTHER 
LINE FROM 23N114W TO 15N140W WINDS 20 KT OR LESS. SEAS 8 TO 10 
FT IN MIXED NW AND NE SWELL...HIGHEST N OF 29N E OF 120W. WITHIN 
AN AREA BOUNDED BY A LINE FROM 20N113W TO 09N91W TO 06N99W TO 
03.4S95W TO 03.4S120W TO 14N120W TO 20N113W WINDS 20 KT OR LESS. 
SEAS 8 TO 9 FT IN MIXED SWELL.
.48 HOUR FORECAST FROM 15N TO 20N W OF 130W WINDS 20 KT OR LESS. 
SEAS 8 FT IN MIXED NW AND NE SWELL. S OF A LINE FROM 00N122W TO 
14N115W TO 10N95W TO 03.4S90W WINDS 20 KT OR LESS. SEAS 8 TO 10 
FT IN MIXED SWELL.

.FROM 10N TO 11N E OF 88W...INCLUDING GULF OF PAPAGAYO...NE 
WINDS 20 TO 25 KT. SEAS TO 8 FT.
.06 HOUR FORECAST FROM 09.5N TO 11N E OF 88W...INCLUDING GULF OF 
PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS 8 FT. FROM 08.5N TO 10.5N 
BETWEEN 88W AND 91W NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT. 
.24 HOUR FORECAST FROM 10.5N TO 11.5N E OF 89W...INCLUDING GULF 
OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.30 HOUR FORECAST FROM 10.5N TO 12N E OF 90W...INCLUDING GULF OF 
PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.36 HOUR FORECAST FROM 10N TO 11N E OF 88W...INCLUDING GULF OF 
PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST FROM 10.5N TO 11.5N E OF 88W...INCLUDING GULF 
OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.N OF 12N BETWEEN 87W AND 89W...INCLUDING THE GULF OF FONSECA... 
N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.N OF 06N BETWEEN 79W AND 80W...INCLUDING THE GULF OF PANAMA...
N WINDS 20 TO 25 KT. 
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.GULF OF CALIFORNIA COLD FRONT FROM 32N113W TO 27N120W. SE OF 
FRONT TO 30N SW WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT. N OF 
FRONT NW TO N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.06 HOUR FORECAST GULF OF CALIFORNIA N OF 30N NW TO N WINDS 20 
TO 25 KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.N OF 29N E OF 118W NW TO N WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.06 HOUR FORECAST N OF 27.5N BETWEEN 115.5W AND 118W NW TO N 
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST N OF 28N E OF 117W NW TO N WINDS 20 TO 25 KT. 
SEAS 8 TO 9 FT.
.24 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 0900 UTC TUE APR 17...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
A SURFACE TROUGH EXTENDS FROM 07N77W TO 08N84W TO 05N90W. THE 
ITCZ STRETCHES FROM 05N90W TO 08N108W TO 07N120W TO BEYOND 
08N140W. SCATTERED MODERATE TO ISOLATED STRONG CONVECTION IS 
FROM 05N TO 07N E OF 79W TO THE COAST OF COLOMBIA. SCATTERED 
MODERATE CONVECTION IS NOTED FROM 05N TO 10N BETWEEN 120W AND 
125W. SIMILAR CONVECTION IS ALSO SEEN FROM 12N TO 14N BETWEEN 
110W AND 112W.

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.