693
FZPN03 KNHC 211647 AAA
HSFEP2

HIGH SEAS FORECAST...AMENDED
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC WED FEB 21 2018

AMENDED TO ADD TEHUANTEPEC WINDS AT 48 HOURS...

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 WED FEB 21.
24 HOUR FORECAST VALID 1200 UTC THU FEB 22.
48 HOUR FORECAST VALID 1200 UTC FRI FEB 23.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FROM 17N TO 25N W OF 125W NE TO E WINDS 20 TO 25 KT. SEAS 9 TO
11 FT. ELSEWHERE W OF LINE FROM 30N116W TO 23N112W TO 10N125W
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW TO N SWELL.
.24 HOUR FORECAST FROM 12N TO 24N W OF 125W NE TO E WINDS 20 TO
25 KT. SEAS 10 TO 12 FT. ELSEWHERE W OF LINE FROM 30N130W TO
18N107W TO 08N122W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW TO
N SWELL.
.48 HOUR FORECAST FROM 10N TO 21N W OF 120W NE TO E WINDS 20 TO
25 KT. SEAS 10 TO 12 FT. ELSEWHERE W OF LINE FROM 30N135W TO
13N107W TO 05N120W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN
PRIMARILY NW SWELL.

.WITHIN 60 NM OF LINE FROM 11N86W TO 10.5N91W...INCLUDING GULF
OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.48 HOUR FORECAST N OF 29N BETWEEN 118W AND 124W WINDS 20 KT OR
LESS. SEAS 8 FT IN NW SWELL.

.48 HOUR FORECAST N OF 14N BETWEEN 94W AND 95.5W...INCLUDING THE
GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS TO 8 FT.

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

CONVECTION VALID AT 1515 UTC WED FEB 21...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH FROM 09N83W TO 02N94W TO 02N102W. ITCZ FROM 02N102W TO
03N120W TO 07N130W TO 08N140W. NO SIGNIFICANT CONVECTION.

$$
.FORECASTER LATTO. NATIONAL HURRICANE CENTER.