000
FZPN03 KNHC 162118
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC FRI FEB 16 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC FRI FEB 16.
24 HOUR FORECAST VALID 1800 UTC SAT FEB 17.
48 HOUR FORECAST VALID 1800 UTC SUN FEB 18.

.WARNINGS.

...ASHFALL ADVISORY...
.FUEGO VOLCANO AT POSITION 14.5N 90.9W CONTINUES EMITTING 
VOLCANIC ASH. THE PLUME OF VOLCANIC ASH HEADING W FROM THE 
VOLCANO COULD AFFECT THE WATERS N OF 14N E OF 93W UNTIL MIDDAY 
SAT. 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 120 NM EITHER SIDE OF LINE FROM 12N86.5W TO 
09N92W...INCLUDING GULF OF PAPAGAYO...NE TO E WINDS 20 TO 30 KT. 
SEAS 8 TO 11 FT. FROM 06N TO 10N BETWEEN 92W AND 102W WINDS 20 
KT OR LESS. SEAS 8 TO 9 FT IN MIXED NE AND SW SWELL.
.24 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 11.5N86W 
TO 10N88W...INCLUDING GULF OF PAPAGAYO...NE TO E WINDS 20 TO 30 
KT. SEAS 8 TO 9 FT. FROM 08.5N TO 11N BETWEEN 88W AND 92W WINDS 
20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED NE AND SW SWELL.
.48 HOUR FORECAST WITHIN 90 NM EITHER SIDE OF LINE FROM 12N86.5W 
TO 09.5N90W...INCLUDING GULF OF PAPAGAYO...NE TO E WINDS 20 TO 
30 KT. SEAS 8 TO 10 FT.

.TROUGH FROM 23N120W TO 19N122W TO 14N123W. FROM 21N TO 25N 
BETWEEN 130W AND 136W NE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. 
ELSEWHERE W OF LINE FROM 30N124W TO 22N122W TO 15N130W WINDS 20 
KT OR LESS. SEAS 8 TO 9 FT IN MIXED NE AND NW SWELL.
.24 HOUR FORECAST TROUGH FROM 26N117W TO 21N121W TO 15N123W. W 
OF LINE FROM 30N125W TO 20N130W TO 15N135W WINDS 20 KT OR LESS. 
SEAS 8 TO 9 FT IN MIXED NE AND NW SWELL.
.48 HOUR FORECAST TROUGH FROM 25N118W TO 22N121W TO 16N124W. 
FROM 18N TO 20N W OF 138W NE WINDS 20 TO 25 KT. SEAS 9 FT. W OF 
LINE FROM 24N140W TO 19N133W TO 14N138W WINDS 20 KT OR LESS. 
SEAS 8 TO 9 FT PRIMARILY IN NE SWELL.

.12 HOUR FORECAST WITHIN 15 NM EITHER SIDE OF A LINE FROM 16N95W 
TO 15N95W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST WITHIN 15 NM EITHER SIDE OF A LINE FROM 16N95W 
TO 15N95W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 15 NM EITHER SIDE OF A LINE FROM 16N95W 
TO 14.5N95.5W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 
TO 25 KT. SEAS TO 8 FT.

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

CONVECTION VALID AT 2045 UTC FRI FEB 15...

.TROUGH FROM 23N120W TO 19N122W TO 14N123W. SCATTERED MODERATE 
ISOLATED STRONG FROM 13N TO 19N BETWEEN 115W AND 120W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH FROM 10N84W TO LOW PRES 1011 MB NEAR 04N93W TO LOW PRES 
1012 MB NEAR 04N103W TO 04N107W. ITCZ CONTINUES FROM 04N107W TO 
05N118W TO 05N130W TO BEYOND 07N140W. NO SIGNIFICANT CONVECTION.

$$
.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.