000
FZPN03 KNHC 261539
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC MON FEB 26 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC MON FEB 26.
24 HOUR FORECAST VALID 1200 UTC TUE FEB 27.
48 HOUR FORECAST VALID 1200 UTC WED FEB 28.

.WARNINGS.

...ASHFALL ADVISORY...FUEGO VOLCANO NEAR POSITION 14.3N 90.9W IS 
CURRENTLY ERUPTING. PLUME OF VOLCANIC ASH MAY REACH TO THE 
SURFACE. LOW LEVEL VISIBILITY MAY BE REDUCED TO 6 NM OR LESS N 
OF 13N BETWEEN 91W AND 93W. MARINERS SHOULD EXERCISE CAUTION. IF 
MARINERS ENCOUNTER VOLCANIC ASH...THEY ARE ENCOURAGED TO REPORT 
THE OBSERVATION TO THE NATIONAL WEATHER SERVICE BY CALLING 305-
229-4425.   

.SYNOPSIS AND FORECAST.

.FROM 10N TO 27W OF 130W NE WINDS 20 TO 25 KT. SEAS 9 TO 11 FT. 
FROM 10N TO 15N BETWEEN 120W AND 130W NE WINDS 20 TO 25 KT. SEAS 
TO 9 FT. ELSEWHERE W OF A LINE FROM 27N140W TO 20N126W TO 
12N115W TO 07N140W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED 
NE AND NW SWELL.
.24 HOUR FORECAST W OF A LINE FROM 26N140W TO 14N120W TO 08N140W 
NE WINDS 20 TO 25 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST FROM 08N TO 23N W OF 130W...AND FROM 10N TO 
19N BETWEEN 115W AND 130W NE WINDS 20 TO 25 KT. SEAS 8 TO 13 FT. 
ELSEWHERE W OF A LINE FROM 20N125W TO 14N115W TO 05N140W WINDS 
20 KT OR LESS. SEAS 8 TO 10 FT PRIMARILY IN NE SWELL.  

.FROM 10N TO 12N E OF 88W...INCLUDING THE GULF OF PAPAGAYO...NE 
TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST FROM 10N TO 12N E OF 88W...INCLUDING THE GULF 
OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT.

.06 HOUR FORECAST FROM 29N TO 30N BETWEEN 120W AND 128W WINDS 20 
KT OR LESS. SEAS TO 8 FT IN N SWELL. 
.24 HOUR FORECAST COLD FRONT FROM 31N117W TO 26N125W TO 27N134W.
N OF FRONT NW TO N WINDS 20 TO 25 KT. SEAS 8 TO 11 FT IN NW 
SWELL. ELSEWHERE N OF 26N BETWEEN 120W AN A OF A LINE FROM 
D 138W WINDS 20 KT OR LESS. SEAS TO 9 FT IN NW SWELL. 
.48 HOUR FORECAST COLD FRONT FROM 30.5N113W TO 25N122W. N OF 
FRONT NW TO N WINDS 20 TO 25 KT. SEAS 8 TO 12 FT IN NW TO N 
SWELL. ELSEWHERE N OF 20N W OF 115W WINDS 20 KT OR LESS. SEAS 8 
TO 12 FT IN NW TO N SWELL...EXCEPT 12 TO 14 FT N OF 25N BETWEEN 
117W AND 127W. 

.18 HOUR FORECAST GULF OF CALIFORNIA FROM 30N TO 31.5N S TO SW 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST COLD FRONT FROM 31N113W TO 30N115W. NW OF 
FRONT NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. S OF FRONT TO 
30N SW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.  
.48 HOUR FORECAST COLD FRONT FROM 30.5N113W TO 25N122W. S OF 
FRONT TO 26N W TO NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

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

CONVECTION VALID AT 1500 UTC MON FEB 26...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
A SURFACE TROUGH EXTENDS FROM 04N84W TO 03N95W TO 04N103W. THE 
ITCZ CONTINUES FROM 04N103W TO 07N120W TO 08N140W. A CLUSTER OF 
MODERATE TO ISOLATED STRONG CONVECTION IS NOTED FROM 09N TO 12N 
BETWEEN 123W AND 130W.

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.