000
FZPN03 KNHC 182124
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC SAT NOV 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SAT NOV 18.
24 HOUR FORECAST VALID 1800 UTC SUN NOV 19.
48 HOUR FORECAST VALID 1800 UTC MON NOV 20.

.WARNINGS.

...GALE WARNING...
.18 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF A LINE FROM 16N95W 
TO 14.5N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 
25 TO 35 KT. SEAS BUILDING TO 8 FT. ELSEWHERE WITHIN 45 NM OF 
SAME LINE N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 45 NM EITHER SIDE OF A LINE FROM 16N95W 
TO 14N95.5W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 
30 TO 40 KT. SEAS 10 TO 15 FT. ELSEWHERE WITHIN 75 NM EITHER 
SIDE OF A LINE FROM 16N95W TO 13.5N96W N TO NE WINDS 20 TO 30 
KT. SEAS 8 TO 12 FT.
.36 HOUR FORECAST WITHIN 60 NM EITHER SIDE OF A LINE FROM 16N95W 
TO 13.5N96W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 
30 TO 45 KT. SEAS 10 TO 17 FT. ELSEWHERE WITHIN 90 NM EITHER 
SIDE OF A LINE FROM 16N95W TO 13N96.5W N TO NE WINDS 20 TO 30 
KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST WITHIN 45 NM EITHER SIDE OF A LINE FROM 16N95W 
TO 13N96.5W TO 11N99W...INCLUDING THE GULF OF TEHUANTEPEC...N TO 
NE WINDS 20 TO 25 KT...EXCEPT 20 TO 30 KT N OF 14N. SEAS 8 TO 12 
FT. ELSEWHERE WITHIN 120 NM EITHER SIDE OF A LINE FROM 16N95W TO 
12N97.5W TO 11N101W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN 
MIXED NE AND S SWELL.

.SYNOPSIS AND FORECAST.

.GULF OF CALIFORNIA N OF 29.5N W OF 113.5W NW TO N WINDS 20 TO 
30 KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST GULF OF CALIFORNIA N OF 25N W OF 110W NW TO N 
WINDS 20 TO 25 KT. SEAS BUILDING TO 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.WITHIN AREA BOUNDED BY 18N137W TO 18N129W TO 13N128W TO 13N137W 
TO 18N137W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN SW AND NW 
SWELL.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.12 HOUR FORECAST WITHIN AREA BOUNDED BY 30N140W TO 30N138W TO 
28N140W TO 30N140W SE TO S WINDS 20 TO 25 KT. SEAS 8 FT.
.24 HOUR FORECAST WITHIN AREA BOUNDED BY 30N140W TO 30N136W TO 
23N140W TO 30N140W SE TO S WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 30N140W TO 30N134W TO 
21N140W TO 30N140W S TO SW WINDS 20 TO 25 KT. SEAS 8 TO 12 FT IN 
MIXED SW AND NW SWELL...HIGHEST NEAR 30N137W.

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

CONVECTION VALID AT 2100 UTC SAT NOV 18...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N78W TO 09N94W TO 09N105W. ITCZ FROM 
09N105W TO 10N120W TO 10N140W. SCATTERED MODERATE AND ISOLATED 
STRONG WITHIN AREA BOUNDED BY 12N121W TO 12N114W TO 08N117W TO 
11N121W AND ALSO WITHIN AREA BOUNDED BY 14N137W TO 14N133W TO 
10N122W TO 06N126W TO 10N137W TO 14N137W. SCATTERED MODERATE 
WITHIN AREA BOUNDED BY 22N140W TO 22N135W TO 15N136W TO 15N140W 
TO 22N140W.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.