000
FZPN03 KNHC 110908
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC SUN FEB 11 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SUN FEB 11.
24 HOUR FORECAST VALID 0600 UTC MON FEB 12.
48 HOUR FORECAST VALID 0600 UTC TUE FEB 13.

.WARNINGS.

...GALE WARNING...
.GULF OF CALIFORNIA TROUGH FROM 31.5N113.5W TO 30.5N114.5W. SW TO
W WINDS 25 TO 35 KT. SEAS LESS THAN 8 FT.
.03 HOUR FORECAST GULF OF CALIFORNIA COLD FRONT APPROACHING FROM
NW. FROM 29.5N TO 30.5N W OF 114W SW TO W WINDS 20 TO 25 KT. SEAS
LESS THAN 8 FT.
.06 HOUR FORECAST GULF OF CALIFORNIA COLD FRONT FROM 31.5N114W TO
30.5N114.5W. W OF FRONT NW TO N WINDS 20 TO 30 KT. SEAS LESS THAN
8 FT.
.18 HOUR FORECAST GULF OF CALIFORNIA DISSIPATING COLD FRONT FROM
29N112W TO 28N113W. CONDITIONS IMPROVE. WINDS 20 KT OR LESS. 
SEAS LESS THAN 8 FT.
.24 HOUR FORECAST GULF OF CALIFORNIA LITTLE CHANGE.
.30 HOUR FORECAST GULF OF CALIFORNIA TROUGH FROM 31.5N114W TO
30.5N114W. WITHIN 60 NM SE OF TROUGH S TO SW WINDS 20 TO 30 KT.
SEAS LESS THAN 8 FT.
.48 HOUR FORECAST GULF OF CALIFORNIA LITTLE CHANGE.

...GALE WARNING...
.36 HOUR FORECAST GULF OF TEHUANTEPEC N OF 14.5N BETWEEN 94.5W
AND 95.5W N WINDS 20 TO 30 KT. SEAS BUILDING TO 8 FT.
.42 HOUR FORECAST GULF OF TEHUANTEPEC WITHIN 30 NM EITHER SIDE 
OF A LINE FROM 16N95W TO 14.5N95W N TO NE WINDS 30 TO 35 KT. 
SEAS 8 TO 11 FT. ELSEWHERE WITHIN 45 NM EITHER SIDE OF A LINE 
FROM 16N95W TO 14.5N95.5W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 9
FT.
.48 HOUR FORECAST GULF OF TEHUANTEPEC WITHIN 45 NM EITHER SIDE OF
A LINE FROM 16N95W TO 14N95.5W N TO NE WINDS 30 TO 40 KT. SEAS 9
TO 14 FT. ELSEWHERE WITHIN 75 NM EITHER SIDE OF SAME LINE N TO NE
WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.

.SYNOPSIS AND FORECAST.

.GULF OF PAPAGAYO FROM 10.5N TO 11.5N E OF 88W NE TO E WINDS 20 
TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST GULF OF PAPAGAYO LITTLE CHANGE.
.48 HOUR FORECAST GULF OF PAPAGAYO WITHIN AREA BOUNDED BY
12.5N89W TO 11N86W TO 09N87W TO 09.5N90W TO 12.5N89W NE WINDS 20
TO 30 KT. SEAS 8 TO 10 FT.

.WITHIN AREA BOUNDED BY 30N139W TO 26N138W TO 25N140W TO 30N140W
TO 30N139W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN W TO NW SWELL.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.12 HOUR FORECAST WITHIN AREA BOUNDED BY 30N120W TO 29N122W TO
29N124W TO 30N127W TO 30N120W WINDS 20 KT OR LESS. SEAS 8 TO 9 
FT IN NW TO N SWELL.
.24 HOUR FORECAST WITHIN AREA BOUNDED BY 30N121W TO 29N121W TO 
27N124W TO 28N128W TO 30N131W TO 30N121W WINDS 20 KT OR LESS. 
SEAS 8 TO 10 FT IN W TO NW SWELL.
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 30N122.5W TO 29.5N123W 
TO 29.5N130W TO 29.5N130.5W TO 29.5N137.5W TO 30N139W TO 
30N122.5W WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED NE AND NW
SWELL.

.48 HOUR FORECAST GULF OF PANAMA WITHIN 45 NM EITHER SIDE OF A 
LINE FROM 08.5N79.5W TO 06N80W N TO NE 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 0900 UTC SUN FEB 11...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH AXIS EXTENDS FROM LOW PRES NEAR 06N76W TO 03N80W TO 05N90W
TO 05N100W. ITCZ AXIS EXTENDS FROM 05N100W TO 06N120W TO 08N140W.
NO SIGNIFICANT CONVECTION.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.