000
FZPN03 KNHC 150849
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC THU FEB 15.
24 HOUR FORECAST VALID 0600 UTC FRI FEB 16.
48 HOUR FORECAST VALID 0600 UTC SAT FEB 17.

.WARNINGS.

...GALE WARNING...
.WITHIN 45 NM EITHER SIDE OF A LINE FROM 16N95W TO 14.5N95.5W
...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 35 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 11N91W TO 07N92W TO 08N99W TO 12N101W TO 14N97W TO 
12N94W TO 11N91W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE TO E
SWELL.
.12 HOUR FORECAST WITHIN 45 NM EITHER SIDE OF A LINE FROM 16N95W
TO 14.5N95W TO 12N97W...INCLUDING THE GULF OF TEHUANTEPEC...N TO
NE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. ELSEWHERE WITHIN AREA 
BOUNDED BY 11N93W TO 09N94W TO 08N90W TO 06N97W TO 08N101W TO 
15N96W TO 11N93W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE TO E 
SWELL.
.24 HOUR FORECAST WITHIN 45 NM EITHER SIDE OF A LINE FROM 16N95W
TO 14.5N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS
20 TO 30 KT. SEAS 8 TO 10 FT. WITHIN AREA BOUNDED BY 11N93W TO 
08N92W TO 06N95W TO 06N100W TO 07N103W TO 11N101W TO 11N93W WINDS
20 KT OR LESS. SEAS 8 TO 10 FT IN NE TO E SWELL.
.36 HOUR FORECAST GULF OF TEHUANTEPEC CONDITIONS IMPROVE. WINDS
20 KT OR LESS. SEAS LESS THAN 8 FT. WITHIN AREA BOUNDED BY 
09N88W TO 06N100W TO 07N104W TO 10N100W TO 10N95W TO 11N89W TO 
09N88W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED NE AND SW 
SWELL.
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 09N93W TO 07N97W TO 
07N104W TO 08N107W TO 10N108W TO 09N101W TO 09N93W WINDS 20 KT OR
LESS. SEAS TO 8 FT IN SW SWELL.

...GALE WARNING...
.WITHIN 30 NM EITHER SIDE OF A LINE FROM 11N86W TO 10N88W...
INCLUDING THE GULF OF PAPAGAYO...NE WINDS 25 TO 35 KT. SEAS 8 TO
11 FT. ELSEWHERE WITHIN AREA BOUNDED BY 11N86W TO 09N87W TO 
08N90W TO 09N91W TO 11N92W TO 12N87W TO 11N86W NE TO E WINDS 20 
TO 25 KT. SEAS 8 TO 9 FT IN NE TO E SWELL. 
.12 HOUR FORECAST WITHIN AREA BOUNDED BY 11N86W TO 09N88W TO 
08N93W TO 09N94W TO 11N91W TO 11N86W...INCLUDING THE GULF OF 
PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.18 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF A LINE FROM 11N86W
TO 10N88W...INCLUDING THE GULF OF PAPAGAYO...NE WINDS 25 TO 35 
KT. SEAS 8 TO 10 FT. ELSEWHERE WITHIN AREA BOUNDED BY 10N86W TO
09N88W TO 09N89W TO 10N89W TO 12N87W TO 11N86W TO 10N86W NE 
WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST WITHIN AREA BOUNDED BY 11N86W TO 10N86W TO 
09N88W TO 09N89W TO 10N89W TO 11N87W TO 11N86W...INCLUDING THE 
GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST LITTLE CHANGE.

...ASHFALL ADVISORY...
FUEGO VOLCANO AT POSITION 14.3N 90.9W IS CURRENTLY ERUPTING. 
PLUME OF VOLCANIC ASH MAY REACH TO THE SURFACE THROUGH EARLY THU 
MORNING N OF 14N E OF 93W. LOW LEVEL VISIBILITY MAY BE REDUCED TO
1 NM OR LESS. MARINERS SHOULD EXERCISE CAUTION. IF MARINERS 
ENCOUNTER VOLCANIC ASH...THEY ARE ENCOURAGED TO REPORT THE 
OBSERVATION TO THE NATIONAL WEATHER SERVICE BY CALLING 
305-229-4425.

.SYNOPSIS AND FORECAST.

.WITHIN 75 NM EITHER SIDE OF A LINE FROM 08.5N79.5W TO 05N81W...
INCLUDING NEAR THE AZUERO PENINSULA AND THE GULF OF PANAMA...N 
TO NE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST WITHIN 60 NM EITHER SIDE OF A LINE FROM
08.5N79.5W TO 06N80W...INCLUDING NEAR THE AZUERO PENINSULA AND 
THE GULF OF PANAMA...N TO NE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.LOW PRES NEAR 16N124W 1012 MB WITH TROUGH FROM 27N117W TO LOW 
TO 12N124W. FROM 18N TO 24N WITHIN 300 NM NW OF TROUGH NE WINDS 
20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE WITHIN AREA BOUNDED BY 
24N119W TO 17N127W TO 19N132W TO 10N140W TO 25N140W TO 29N127W TO
24N119W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SE AND NW 
SWELL.
.24 HOUR FORECAST LOW PRES DISSIPATED. TROUGH FROM 25N118W TO 
20N125W TO 16N126W. WITHIN AREA BOUNDED BY 24N121W TO 16N126W TO 
13N140W TO 30N140W TO 30N122W TO 24N121W NE TO E WINDS 20 TO 25 
KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST TROUGH WEAKENING FROM 24N116W TO 20N121W TO 
14N122W. WITHIN AREA BOUNDED BY 25N127W TO 22N124W TO 15N134W TO 
15N140W TO 30N140W TO 30N123W TO 25N127W NE TO E WINDS 20 TO 25 
KT. SEAS 8 TO 10 FT.

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

CONVECTION VALID AT 0830 UTC THU FEB 15...

.LOW PRES NEAR 16N124W 1012 MB WITH TROUGH FROM 27N117W TO LOW 
TO 12N124W...SCATTERED MODERATE WITHIN AREA BOUNDED BY 24N115W 
TO 17N117W TO 11N115W TO 13N123W TO 23N122W TO 30N116W TO 
24N115W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH AXIS EXTENDS FROM 08N83W TO 05N100W TO 05N111W. ITCZ 
AXIS EXTENDS FROM 05N111W TO 06N119W THEN RESUMES FROM 09N130W TO
06N140W. NO SIGNIFICANT CONVECTION.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.