908 
FZPN03 KNHC 160309
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC THU AUG 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

PAN PAN

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE
EQUATOR E OF 120W

SYNOPSIS VALID 0000 UTC THU AUG 16.
24 HOUR FORECAST VALID 0000 UTC FRI AUG 17.
48 HOUR FORECAST VALID 0000 UTC SAT AUG 18.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM LANE NEAR 10.4N 125.6W 1003 MB AT 0300 UTC AUG 
16 MOVING W OR 265 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 45 KT 
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM SE 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 45 NM E SEMICIRCLE WITH 
SEAS TO 13 FT. ELSEWHERE WITHIN 120 NM OF CENTER EXCEPT 30 NM SW 
QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. REMAINDER OF AREA 
FROM 07N TO 16N BETWEEN 118W AND 126W WINDS 20 KT OR LESS. SEAS 
TO 9 FT IN S SWELL. 
.24 HOUR FORECAST HURRICANE LANE NEAR 10.7N 129.8W. MAXIMUM 
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS 
WITHIN 30 NM NW AND SE QUADRANTS...40 NM NE QUADRANT AND 20 NM 
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 60 NM N AND 30 NM S 
SEMICIRCLES WITH SEAS TO 16 FT. ELSEWHERE WITHIN 120 NM OF 
CENTER EXCEPT 45 NM W QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 11 
FT. REMAINDER OF AREA FROM 08.5N TO 15N BETWEEN 125W AND 131W 
WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE LANE NEAR 11.6N 135.2W. MAXIMUM 
SUSTAINED WINDS 95 KT GUSTS 115 KT. TROPICAL STORM FORCE WINDS 
WITHIN 50 NM NW AND SE QUADRANTS...60 NM NE QUADRANT AND 40 NM 
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM N SEMICIRCLE 
AND 75 NM S SEMICIRCLE WITH SEAS TO 26 FT. ELSEWHERE WITHIN 120 
NM OF CENTER EXCEPT 60 NM SW QUADRANT WINDS 20 TO 33 KT. SEAS 8 
TO 11 FT. REMAINDER OF AREA FROM 08.5N TO 18N BETWEEN 129W AND 
138W WINDS 20 KT OR LESS. SEAS TO 10 FT IN MIXED SWELL.
.72 HOUR FORECAST HURRICANE LANE NEAR 12.9N 140.6W. MAXIMUM 
SUSTAINED WINDS 105 KT GUSTS 130 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE LANE NEAR 12.9N 140.6W. MAXIMUM 
SUSTAINED WINDS 110 KT GUSTS 135 KT.
.120 HOUR FORECAST HURRICANE LANE NEAR 12.9N 140.6W. MAXIMUM 
SUSTAINED WINDS 105 KT GUSTS 130 KT.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE 
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE 
AND INTENSITY.

...ASHFALL ADVISORY... 
THE FUEGO VOLCANO IN GUATEMALA NEAR 14.3N90.5W EMITTED AN ASH 
PLUME THIS AFTERNOON AROUND 1916Z. ASH MAY BE REACHING THE 
SURFACE AS EASTERLY WINDS PUSH THE ASH PLUME WESTWARD INTO THE 
PACIFIC WATERS TO THE WEST AND ACROSS THE GULF OF TEHUANTEPEC... 
FROM 14N TO 16N BETWEEN 91W AND 95W...THROUGH 0600 UTC THU. 
MARINERS OPERATING IN THIS AREA ARE URGED TO EXERCISE CAUTION. 
IF YOU ENCOUNTER VOLCANIC ASH OR FLOATING VOLCANIC DEBRIS...YOU 
ARE ENCOURAGED TO REPORT YOUR OBSERVATIONS TO THE NATIONAL 
WEATHER SERVICE AT 305-229-4425. 

.SYNOPSIS AND FORECAST.

.S OF 06N BETWEEN 80W AND 89W WINDS 20 KT OR LESS. SEAS TO 9 FT 
IN SW SWELL. ELSEWHERE S OF 16N E OF 114W...EXCEPT IN LEE OF 
GALAPAGOS ISLANDS...WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN S TO 
SW SWELL.
.24 HOUR FORECAST FROM 00N TO 06N BETWEEN 80W AND 89W WINDS 20 
KT OR LESS. SEAS TO 8 FT IN SW SWELL. ELSEWHERE FROM 01.5N TO 
18.5N E OF 111W...EXCEPT IN LEE OF GALAPAGOS ISLANDS...WINDS 20 
KT OR LESS. SEAS TO 9 FT IN S TO SW SWELL.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 

.LOW PRES NEAR 18N138.5W 1012 MB. FROM 18N TO 21N W OF 134W NE 
TO E WINDS 20 TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW TO DISSIPATE TO TROUGH. CONDITIONS SHIFT W 
OF AREA. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.30 HOUR FORECAST GULF OF TEHUANTEPEC N OF 15N BETWEEN 94.5W AND 
95.5W WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED N WIND WAVES 
AND S SWELL.
.48 HOUR FORECAST LITTLE CHANGE.

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

CONVECTION VALID AT 0230 UTC THU AUG 16...

TROPICAL STORM LANE NEAR 10.4N125.6W...SCATTERED TO NUMEROUS 
MODERATE TO STRONG WITHIN 120 NM SE AND 30 NM NW SEMICIRCLES. 
SCATTERED MODERATE ISOLATED STRONG ELSEWHERE WITHIN 180 NM NW 
AND 240 NM SE SEMICIRCLES.

LOW PRES NEAR 18N138.5W...SCATTERED MODERATE ISOLATED STRONG 
WITHIN 150 NM NW SEMICIRCLE AND 90 NM SE QUADRANT. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 09N74W TO 08N92W TO LOW PRES 
NEAR 09.5N109.5W TO 11N114W. ITCZ FROM 13.5N137W TO BEYOND 
11N140W. SCATTERED MODERATE TO STRONG FROM 04.5N TO 08.5N 
BETWEEN 83W TO 94W...AND 07.5N TO 14.5N BETWEEN 97W AND 111W. 
SCATTERED MODERATE TO STRONG WITHIN 90 NM SE OF ITCZ W OF 137W.
  
$$

.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.