328 
FZPN03 KNHC 160917
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC THU AUG 16.
24 HOUR FORECAST VALID 0600 UTC FRI AUG 17.
48 HOUR FORECAST VALID 0600 UTC SAT AUG 18.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM LANE NEAR 10.4N 126.4W 1003 MB AT 0900 UTC AUG 16 
MOVING W OR 270 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 
KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM E SEMICIRCLE AND 0 NM W 
SEMICIRCLE.  SEAS 12 FT OR GREATER WITHIN 45 NM E SEMICIRCLE AND 0 
NM W SEMICIRCLE WITH SEAS TO 17 FT. ELSEWHERE WITHIN 120 NM SE AND 
60 NM NW SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. REMAINDER 
OF AREA FROM 08N TO 18N BETWEEN 117W AND 128W WINDS 20 KT OR LESS. 
SEAS TO 9 FT IN PRIMARILY S SWELL.
.24 HOUR FORECAST HURRICANE LANE NEAR 10.9N 131.0W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS WITHIN 
40 NM OF CENTER EXCEPT 30 NM SW QUADRANT. SEAS 12 FT OR GREATER 
WITHIN 60 NM E SEMICIRCLE AND 30 NM NW QUADRANT WITH SEAS TO 21 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 09N TO 15N BETWEEN 
127W AND 133W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE LANE NEAR 11.8N 136.4W. MAXIMUM 
SUSTAINED WINDS 95 KT GUSTS 115 KT. TROPICAL STORM FORCE WINDS 
WITHIN 80 NM N SEMICIRCLE...70 NM SE QUADRANT AND 50 NM SW QUADRANT. 
SEAS 12 FT OR GREATER WITHIN 120 NM NE AND 45 NM SW SEMICIRCLES WITH 
SEAS TO 28 FT. ELSEWHERE WITHIN 150 NM OF CENTER EXCEPT 60 NM SW 
QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. REMAINDER OF AREA FROM 
09N TO 17N BETWEEN 130W AND 139W WINDS 20 KT OR LESS. SEAS TO 10 FT 
IN MIXED SWELL.
.72 HOUR FORECAST HURRICANE LANE NEAR 13.1N 141.6W. MAXIMUM 
SUSTAINED WINDS 105 KT GUSTS 130 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE LANE NEAR 13.1N 141.6W. MAXIMUM 
SUSTAINED WINDS 110 KT GUSTS 135 KT.
.120 HOUR FORECAST HURRICANE LANE NEAR 13.1N 141.6W. MAXIMUM 
SUSTAINED WINDS 100 KT GUSTS 120 KT.

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

.SYNOPSIS AND FORECAST.

.S OF 08N BETWEEN 78.5W AND 89W WINDS 20 KT OR LESS. SEAS TO 9 FT IN 
SW SWELL. ELSEWHERE S OF 19N E OF 124W...EXCEPT IN LEE OF GALAPAGOS 
ISLANDS...WINDS 20 KT OR LESS. SEAS TO 10 FT IN S TO SW 
SWELL...HIGHEST FROM 07N TO 16N BETWEEN 94W AND 110W.
.24 HOUR FORECAST FROM 00N TO 06N BETWEEN 80W AND 87W WINDS 20 KT OR 
LESS. SEAS TO 8 FT IN SW SWELL. ELSEWHERE FROM 02N TO 18N E OF 
112W...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 18N139W 1013 MB. FROM 18N TO 22N W OF 136W NE TO E 
WINDS 20 TO 25 KT. SEAS 8 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.

.48 HOUR FORECAST GULF OF TEHUANTEPEC N OF 14.5N BETWEEN 94.5W AND 
96W N TO NE WINDS 20 TO 25 KT. SEAS TO 8 FT IN S SWELL.

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

CONVECTION VALID AT 0800 UTC THU AUG 16...

TROPICAL STORM LANE NEAR 10.4N126.4W...SCATTERED TO NUMEROUS STRONG 
WITHIN 75 NM NW AND 120 NM SE SEMICIRCLES. BANDS OF SCATTERED 
MODERATE TO STRONG ELSEWHERE WITHIN 300 NM NW AND 210 NM SE 
SEMICIRCLES.

LOW PRES NEAR 18N139W...SCATTERED MODERATE ISOLATED STRONG WITHIN 
120 NM NW SEMICIRCLE. 

SCATTERED STRONG WITHIN 90 NM OF COAST OF CENTRAL AMERICA BETWEEN 
87.5W AND 97W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 09N74W TO 07.5N91W TO LOW PRES NEAR 
09.5N1105W TO 11N1174W. ITCZ FROM 12N134W TO BEYOND 11N140W. 
SCATTERED MODERATE TO STRONG FROM 05N TO 10N BETWEEN 82W TO 
97W...AND FROM 08N TO 14.5N BETWEEN 97W AND 120W. SCATTERED MODERATE 
TO STRONG WITHIN 120 NM SE OF ITCZ W OF 138W.
  
$$

.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.