000
FZPN03 KNHC 252102
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC WED OCT 25 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 WED OCT 25.
24 HOUR FORECAST VALID 1800 UTC THU OCT 26.
48 HOUR FORECAST VALID 1800 UTC FRI OCT 27.

.WARNINGS.

...GALE WARNING... 
.WITHIN 60 NM OF LINE FROM 16N95W TO 12N96.5W N TO NE WINDS 30 
TO 45 KT. SEAS 16 TO 23 FT. ELSEWHERE WITHIN 120 NM OF LINE FROM 
16N95W TO 09N98W N TO NE WINDS 20 TO 30 KT. SEAS 12 TO 18 FT. 
REMAINDER OF AREA BOUNDED BY LINE FROM 16N95W TO 07N89W TO 
02N100W TO 06N114W TO 16N95W WINDS 20 KT OR LESS. SEAS TO 10 FT 
PRIMARILY IN MIXED NE AND SW SWELL. 
.24 HOUR FORECAST WITHIN 60 NM OF LINE FROM 16N95W TO 11N97W 
...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 
KT. SEAS 9 TO 14 FT. ELSEWHERE WITHIN AREA BOUNDED BY LINE FROM 
16N95W TO 06N88W TO 01N97W TO TO 08N110W TO 16N95W WINDS 20 KT 
OR LESS. SEAS 8 TO 12 FT PRIMARILY IN MIXED NE AND SW SWELL.
.48 HOUR FORECAST CONDITIONS MERGE.

.SYNOPSIS AND FORECAST.

.FROM 06N TO 08N BETWEEN 83W AND 89W SW WINDS 20 TO 25 KT. SEAS
TO 8 FT. 
.24 HOUR FORECAST NEW LOW PRES NEAR 09N86W 1009 MB WITH TROUGH 
SW TO 07N89W. WITHIN 120 NM NE SEMICIRCLE OF LOW E TO SE WINDS 
20 TO 25 KT. SEAS 8 FT. WITHIN 120 NM SE OF TROUGH S TO SW WINDS 
20 TO 25 KT. SEAS TO 9 FT. 
.48 HOUR FORECAST LOW PRES NEAR 10N89W 1007 MB WITH TROUGH SW TO 
08N94W. WITHIN 180 NM NE SEMICIRCLE OF LOW E TO SE WINDS 20 TO 
25 KT. SEAS TO 10 FT. WITHIN 150 NM SE OF TROUGH S TO SW WINDS 
20 TO 25 KT. SEAS TO 10 FT. ELSEWHERE WITHIN AREA BOUNDED BY A 
LINE FROM 12N86W TO 07N87W TO 02N101W TO 09N112W TO 12N86W WINDS 
20 KT OR LESS. SEAS TO 10 FT PRIMARILY IN MIXED SWELL. 

.N OF A LINE FROM 31N134W TO 22N115W WINDS 20 KT OR LESS. SEAS 
TO 9 FT IN MIXED S AND NW SWELL. FROM 09.5N TO 15N W OF 130W 
WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED S AND NW SWELL.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.48 HOUR FORECAST W OF LINE FROM 30N138W TO 28N140W WINDS 20 KT
OR LESS. SEAS TO 9 FT IN NW SWELL.

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

CONVECTION VALID AT 2100 UTC WED OCT 25...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 12N86W TO 08N98W TO 11N108W TO 07N140W.
SCATTERED MODERATE ISOLATED STRONG WITHIN 150 NM OF LINE FROM 
06N83W TO 10N88W TO 11N108W TO 08N120W TO 09N130W TO 07N140W.  

$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.