000
FZPN03 KNHC 100906
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC SAT MAR 10 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

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

SYNOPSIS VALID 0600 UTC SAT MAR 10.
24 HOUR FORECAST VALID 0600 UTC SUN MAR 11.
48 HOUR FORECAST VALID 0600 UTC MON MAR 12.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH FROM 30N127W TO LOW PRES NEAR 29.5N128.5W 1012 MB TO  
27N134W. OVER FORECAST WATERS WITHIN 120 NM SE SEMICIRCLE OF LOW  
S TO SW WINDS 20 TO 30 KT. SEAS TO 8 FT. W OF TROUGH TO 130W N 
TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST LOW PRES N AREA. TROUGH FROM 30N126W TO 
26N132W. OVER FORECAST WATERS CONDITIONS IMPROVE. WINDS 20 KT OR
LESS. SEAS LESS THAN 8 FT.

.WITHIN 30 NM EITHER SIDE OF A LINE FROM 11N86W TO 10.5N88W...
INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 30 KT. SEAS
TO 8 FT.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST FROM 10.5N TO 11.5N E OF 88W...INCLUDING THE
GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8
FT.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.WITHIN AREA BOUNDED BY 15N124W TO 08N120W TO 04N125W TO 07N140W
TO 11N140W TO 15N132W TO 15N124W WINDS 20 KT OR LESS. SEAS 8 TO
9 FT IN NW SWELL.
.24 HOUR FORECAST WITHIN AREA BOUNDED BY 10N124W TO 06N119W TO 
07N127W TO 07N134W TO 11N137W TO 10N131W TO 10N124W WINDS 20 KT 
OR LESS. SEAS 8 FT IN MIXED SW AND NW SWELL.
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 08N122W TO 05N124W TO 
05N127W TO 07N132W TO 08N131W TO 10N124W TO 08N122W WINDS 20 KT 
OR LESS. SEAS 8 FT IN MIXED SWELL.

.36 HOUR FORECAST COLD FRONT APPROACHING FROM NW. WITHIN AREA 
BOUNDED BY 30N137W TO TO 27N140W TO 30N140W TO 30N137W SW WINDS 
20 TO 30 KT. SEAS 8 TO 10 FT.
.42 HOUR FORECAST COLD FRONT FROM 30N138W TO 28N140W. WITHIN 75
NM SE OF FRONT SW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. W OF FRONT
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW SWELL.
.48 HOUR FORECAST COLD FRONT FROM 30N136W TO 26N140W. N OF 28N
WITHIN 60 NM SE OF FRONT SW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
ELSEWHERE WITHIN AREA BOUNDED BY 30N134W TO 28N136W TO 26N140W 
TO 30N140W TO 30N134W WINDS 20 KT OR LESS. SEAS 8 TO 14 FT IN NW
SWELL...HIGHEST NEAR 30N140W.

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

CONVECTION VALID AT 0830 UTC SAT MAR 10...

.TROUGH FROM 30N127W TO LOW PRES NEAR 29.5N128.5W 1012 MB TO  
27N134W...SCATTERED MODERATE ISOLATED STRONG WITHIN AREA BOUNDED
BY 30N134W TO 30N120W TO 20N130W TO 15N140W TO 26N140W TO
30N134W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH AXIS EXTENDS FROM 05N78W TO 04N90W. ITCZ AXIS EXTENDS 
FROM 04N90W TO 03N110W TO 02N120W TO 05N130W TO 07N140W. NO
SIGNIFICANT CONVECTION IS NOTED.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.