000
FZPN03 KNHC 172050
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC SAT SEP 17 2016

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SAT SEP 17.
24 HOUR FORECAST VALID 1800 UTC SUN SEP 18.
48 HOUR FORECAST VALID 1800 UTC MON SEP 19.

.WARNINGS.

...GALE WARNING...
.LOW PRES NEAR 15N107W 1006 MB. WITHIN 300 NM SE SEMICIRCLE AND
150 NM NE QUADRANT WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
18N113W 1003 MB. WITHIN 60 TO 120 NM NE QUADRANT WINDS 30 TO 35
KT. SEAS 10 TO 12 FT. ELSEWHERE WITHIN 180 NM NE AND 30 NM SW
SEMICIRCLES OF LOW WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
20N115.5W 1000 MB. WITHIN 60 NM NE AND 30 NM SW SEMICIRCLES
WINDS 25 TO 35 KT. SEAS 9 TO 12 FT. ELSEWHERE WITHIN 120 NM NE
AND 90 NM SW SEMICIRCLES WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. 

.SYNOPSIS AND FORECAST.

.DISSIPATING LOW PRES NEAR 20N131W 1010 MB. WITHIN 120 NM NW
SEMICIRCLE OF LOW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST TROUGH FROM 23N136W TO 16N136W. FROM 20N TO
23N BETWEEN 134.5W AND 137.5W WINDS 20 KT OR LESS. SEAS 8 TO 9
FT IN MIXED SWELL. 
.48 HOUR FORECAST TROUGH FROM 22N140W TO 17N139W. FROM 20N TO
23N W OF 138W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED SWELL.

.48 HOUR FORECAST N OF 15N BETWEEN 94.5W AND 95.5W...INCLUDING
GULF OF TEHUANTEPEC...N TO NE 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 2100 UTC SAT SEP 17...

.LOW PRES NEAR 15N107W. NUMEROUS MODERATE ISOLATED STRONG FROM
13N TO 18N BETWEEN 105W AND 110W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N83W TO 09N89W TO 15N101W TO LOW PRES NEAR
15N107W TO 12N114W TO 10N140W. SCATTERED MODERATE WITHIN 60 NM N
OF AXIS W OF 130W.

$$
.FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.