000
FZPN03 KNHC 161532
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC FRI FEB 16.
24 HOUR FORECAST VALID 1200 UTC SAT FEB 17.
48 HOUR FORECAST VALID 1200 UTC SUN FEB 18.

.WARNINGS.

...ASHFALL ADVISORY...
.FUEGO VOLCANO AT POSITION 14.5N 90.9W IS CURRENTLY ERUPTING. 
PLUME OF VOLCANIC ASH MAY REACH TO THE SURFACE THROUGH EARLY SAT 
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.

.FROM 08N TO 12N E OF 92W...INCLUDING GULF OF PAPAGAYO...NE TO E 
WINDS 20 TO 30 KT. SEAS 8 TO 10 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 60 NM EITHER SIDE OF LINE FROM 
11.5N86.5W TO 09N90W...INCLUDING GULF OF PAPAGAYO...NE TO E 
WINDS 20 TO 30 KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST WITHIN 60 NM EITHER SIDE OF LINE FROM 
11.5N86.5W TO 09.5N90W...INCLUDING GULF OF PAPAGAYO...NE TO E 
WINDS 20 TO 30 KT. SEAS 8 TO 9 FT. FROM 06N TO 08N BETWEEN 97W 
AND 100W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED NE AND SW SWELL.

.WITHIN 30 NM EITHER SIDE OF A LINE FROM 16N95W TO 15N95W TO 
13.5N95.5W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 
20 TO 30 KT. SEAS 8 TO 10 FT.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.FROM 05N TO 08N BETWEEN 79.5W AND 81W INCLUDING GULF OF 
PANAMA...N WINDS 20 TO 25 KT. SEAS TO 8 FT.
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.TROUGH FROM 23N120W TO LOW PRES 1013 MB NEAR 21N122W TO 
18N125W. FROM 22N TO 25N BETWEEN 127W AND 134W NE WINDS 20 TO 25 
KT. SEAS 9 TO 10 FT. ELSEWHERE W OF LINE FROM 27N132W TO 26N126W 
TO 22N121W TO 16N128W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN 
MIXED NE AND NW SWELL.
.24 HOUR FORECAST LOW DISSIPATED. TROUGH FROM 24N117W TO 21N121W 
TO 15N121W. FROM 19N TO 24N W OF 138W NE WINDS 20 TO 25 KT. SEAS 
9 FT. ELSEWHERE W OF LINE FROM 30N125W TO 20N128W 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 21N122W TO 17N123W. 
FROM 14N TO 24N W OF 134W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT 
PRIMARILY IN NE SWELL.

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

CONVECTION VALID AT 1445 UTC FRI FEB 15...

.TROUGH FROM 23N120W TO LOW PRES 1013 MB NEAR 21N122W TO 
18N125W. SCATTERED MODERATE ISOLATED STRONG FROM 11N TO 17N 
BETWEEN 115W AND 120W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH FROM 08N82W TO 04N96W TO LOW PRES 1010 MB NEAR 04N103W TO 
04N106W. ITCZ FROM 05N109W TO 05N119W TO 08N132W TO BEYOND 
09N140W. NO SIGNIFICANT CONVECTION.

$$
.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.