000
FZPN03 KNHC 150319
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC THU FEB 15 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 THU FEB 15.
24 HOUR FORECAST VALID 0000 UTC FRI FEB 16.
48 HOUR FORECAST VALID 0000 UTC SAT FEB 17.

.WARNINGS.

...GALE WARNING...
.GULF OF TEHUANTEPEC WITHIN 45 NM EITHER SIDE OF A LINE FROM
16N95W TO 14.5N95.5W N TO NE WINDS 30 TO 40 KT. SEAS 9 TO 13 FT.
ELSEWHERE WITHIN 90 NM EITHER SIDE OF SAME LINE N TO NE WINDS 20
TO 30 KT. SEAS 8 TO 11 FT. REMAINDER OF AREA BOUNDED BY 11N89W 
TO 09N88W TO 07N91W TO 08N103W TO 12N101W TO 15N97W TO 11N89W
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE SWELL.
.18 HOUR FORECAST GULF OF TEHUANTEPEC WITHIN 45 NM EITHER SIDE 
OF A LINE FROM 16N95W TO 14.5N95.5W TO 12N97.5W N TO NE WINDS 20
TO 30 KT. SEAS 8 TO 11 FT. ELSEWHERE WITHIN AREA BOUNDED BY 
10N94W TO 08N88W TO 06N97W TO 08N102W TO 13N99W TO 14N94W TO 
10N94W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE SWELL.
.24 HOUR FORECAST GULF OF TEHUANTEPEC N OF 14.5N BETWEEN 94.5W
AND 95.5W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 9 FT. WITHIN 
AREA BOUNDED BY 14N96W TO 09N89W TO 06N93W TO 06N98W TO 08N103W 
TO 12N99W TO 14N96W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE 
SWELL.
.48 HOUR FORECAST GULF OF TEHUANTEPEC CONDITIONS IMPROVE. WINDS 
20 KT OR LESS. SEAS LESS THAN 8 FT. WITHIN AREA BOUNDED BY 
11N91W TO 08N90W TO 06N100W TO 07N104W TO 09N104W TO 09N96W TO 
11N91W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED NE AND SW SWELL.

...GALE WARNING...
.GULF OF PAPAGAYO WITHIN 30 NM EITHER SIDE OF A LINE FROM 11N86W 
TO 10N88W NE WINDS 25 TO 35 KT. SEAS BUILDING TO 8 TO 11 FT.
ELSEWHERE WITHIN AREA BOUNDED BY 11N86W TO 09N87W TO 09N89W TO 
10N90W TO 11N89W TO 12N86W TO 11N86W NE TO E WINDS 20 TO 25 KT. 
SEAS 8 TO 9 FT.
.18 HOUR FORECAST GULF OF PAPAGAYO WITHIN AREA BOUNDED BY 11N86W
TO 09N88W TO 08N95W TO 09N95W TO 12N91W TO 11N86W NE TO E WINDS 
20 TO 25 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.27 HOUR FORECAST GULF OF PAPAGAYO WITHIN 30 NM EITHER SIDE OF A
LINE FROM 11N86W TO 10N88W NE WINDS 25 TO 35 KT. SEAS 8 TO 11 
FT. ELSEWHERE WITHIN AREA BOUNDED BY 11N86W TO 10N86W TO 09N88W 
TO 09N90W TO 10N89W TO 11N87W TO 11N86W NE WINDS 20 TO 25 KT. 
SEAS 8 TO 9 FT.
.42 HOUR FORECAST GULF OF PAPAGAYO WITHIN 75 NM EITHER SIDE OF A
LINE FROM 11N86W TO 10N88W TO 09.5N91W NE TO E WINDS 20 TO 25 KT.
SEAS 8 TO 9 FT.
.48 HOUR FORECAST GULF OF PAPAGAYO FROM 10N TO 12N E OF 88.5W NE
TO E WINDS 20 TO 30 KT. SEAS BUILDING TO 8 TO 9 FT.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 17N124W 1011 MB. TROUGH FROM 25N118W TO LOW TO 
12N126W. FROM 17N TO 25N WITHIN 180 NM NW OF TROUGH N TO NE WINDS
20 TO 30 KT. SEAS 8 TO 11 FT. WITHIN AREA BOUNDED BY 25N122W TO 
19N134W TO 11N137W TO 12N140W TO 26N140W TO 29N126W TO 25N122W 
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL.
.24 HOUR FORECAST LOW PRES NEAR 18N126W 1010 MB. TROUGH FROM 
24N118W TO LOW TO 15N127W. FROM 18N TO 24N WITHIN 240 NM NW OF 
TROUGH NE WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. ELSEWHERE WITHIN 
AREA BOUNDED BY 24N120W TO 17N126W TO 13N140W TO 28N140W TO 
30N120W TO 24N120W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED 
SWELL.
.48 HOUR FORECAST LOW PRES DISSIPATED. TROUGH WEAKENING FROM 
24N120W TO 15N125W. WITHIN AREA BOUNDED BY 30N123W TO 22N123W TO 
16N131W TO 15N140W TO 30N140W TO 30N123W WINDS 20 KT OR LESS. 
SEAS 8 TO 10 FT IN MIXED NE AND NW SWELL.

.WITHIN AREA BOUNDED BY 07N79W TO 04N81W TO 03N82W TO 05N83W TO
06N81W TO 08N80W TO 07N79W...INCLUDING NEAR THE AZUERO PENINSULA
AND THE GULF OF PANAMA...N TO NE WINDS 20 TO 30 KT. SEAS BUILDING
TO 8 TO 9 FT.
.24 HOUR FORECAST WITHIN AREA BOUNDED BY 08N79W TO 07N79W TO 
06N79W TO 06N81W TO 07N81W TO 08N80W TO 08N79W...INCLUDING NEAR 
THE AZUERO PENINSULA AND THE GULF OF PANAMA...N WINDS 20 TO 25 
KT. SEAS TO 8 FT.
.42 HOUR FORECAST CONDITIONS IMPROVE. 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 0300 UTC THU FEB 15...

.LOW PRES NEAR 17N124W. TROUGH FROM 24N118W TO LOW TO 12N126W...
SCATTERED MODERATE WITHIN AREA BOUNDED BY 23N110W TO 15N113W TO 
08N120W TO 12N125W TO 21N125W TO 26N112W TO 23N110W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH AXIS EXTENDS FROM 10N82W TO 04N97W. ITCZ AXIS EXTENDS 
FROM 04N97W TO 05N110W THEN RESUMES FROM 10N128W TO 07N140W. NO
SIGNIFICANT CONVECTION.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.