280 
FZPN03 KNHC 171459
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC WED MAR 17 2021

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MAR 17.
24 HOUR FORECAST VALID 1200 UTC THU MAR 18.
48 HOUR FORECAST VALID 1200 UTC FRI MAR 19.

.WARNINGS.

...GALE WARNING...
.36 HOUR FORECAST WITHIN 15N94W TO 15N95W TO 16N95W TO 16N94W TO
15N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 30 KT.
SEAS LESS THAN 8 FT.
.42 HOUR FORECAST WITHIN 15N94W TO 13N94W TO 13N95W TO 16N95W TO
16N94W TO 15N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 
20 TO 35 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST WITHIN 15N94W TO 14N95W TO 16N95W TO 16N94W TO
15N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO
35 KT. SEAS 8 TO 13 FT. ELSEWHERE WITHIN 13N94W TO 11N96W TO 
14N96W TO 16N96W TO 16N94W TO 13N94W N TO NE WINDS 20 TO 30 KT. 
SEAS 8 TO 9 FT.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 30N136W TO 26N140W. WITHIN 29N132W TO 28N133W 
TO 29N134W TO 30N136W TO 30N131W TO 29N132W S TO SW WINDS 20 TO 
25 KT. SEAS 8 FT.
.24 HOUR FORECAST COLD FRONT FROM 30N130W TO 22N140W. WITHIN 
29N137W TO 27N140W TO 30N140W TO 30N136W TO 29N137W WINDS 20 KT 
OR LESS. SEAS 8 TO 12 FT IN NW SWELL.
.48 HOUR FORECAST COLD FRONT FROM 30N126W TO 21N140W. WITHIN 
24N134W TO 20N140W TO 30N140W TO 30N126W TO 24N134W WINDS 20 KT 
OR LESS. SEAS 8 TO 12 FT IN NW TO N SWELL.

.WITHIN 25N114W TO 24N120W TO 28N124W TO 30N124W TO 30N117W TO
25N114W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW TO N SWELL.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.WITHIN 09N124W TO 06N140W TO 13N140W TO 18N133W TO 12N125W TO
09N124W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW TO N SWELL.
.24 HOUR FORECAST WITHIN 07N129W TO 10N138W TO 11N131W TO 
09N127W TO 07N129W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED SWELL.
.48 HOUR FORECAST WITHIN 07N133W TO 07N135W TO 09N140W TO 
10N139W TO 10N134W TO 07N133W WINDS 20 KT OR LESS. SEAS 8 FT IN
MIXED SWELL.

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

CONVECTION VALID AT 1440 UTC WED MAR 17...

.COLD FRONT FROM 30N136W TO 26N140W...SCATTERED MODERATE WITHIN
90 NM SE OF FRONT.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH FROM 10N84W TO 06N90W. ITCZ FROM 06N90W TO 01N110W TO 
04N130W TO 04N140W. SCATTERED MODERATE FROM 06N TO 09N BETWEEN 
84W AND 88W...FROM 04N TO 07N BETWEEN 90W AND 100W...AND FROM 
05N TO 08N BETWEEN 117W AND 120W.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.