000
FZPN03 KNHC 210921
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
ISSUED BY NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC WED MAR 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 WED MAR 21.
24 HOUR FORECAST VALID 0600 UTC THU MAR 22.
48 HOUR FORECAST VALID 0600 UTC FRI MAR 23.

.WARNINGS.

...GALE WARNING...
.GULF OF TEHUANTEPEC N OF 15N BETWEEN 94.5W AND 95.5W N WINDS 20 
TO 25 KT. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST GULF OF TEHUANTEPEC N OF 14.5N BETWEEN 94.5W 
AND 95.5W N TO NE WINDS 25 TO 35 KT. SEAS TO 10 FT. 
.24 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 14N95.5W 
INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 25 TO 35 KT. SEAS 
8 TO 12 FT.
.48 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 14N95.5W 
INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 35 KT. SEAS 
10 TO 14 FT. ELSEWHERE WITHIN 45 NM OF LINE FROM 16N95W TO 
13N96W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. FROM 10N TO 
13N BETWEEN 95W AND 100W WINDS 20 KT OR LESS. SEAS TO 9 FT IN NE 
SWELL.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 30N131W TO 22N140W. W OF LINE FROM 30N126W TO 
19N140W WINDS 20 KT OR LESS. SEAS 8 TO 15 FT IN NW SWELL.
.24 HOUR FORECAST COLD FRONT FROM 30N127W TO 20N136W. NW OF LINE 
FROM 30N133W TO 27N140W N WINDS 20 TO 25 KT. SEAS 11 TO 14 FT. 
ELSEWHERE W OF A LINE FROM 30N123W TO 10N140W WINDS 20 KT OR 
LESS. SEAS 8 TO 11 FT IN NW SWELL.
.48 HOUR FORECAST DISSIPATING COLD FRONT FROM 30N120W TO 
22N124W. W OF LINE FROM 30N124W TO 18N140W WINDS 20 KT OR LESS. 
SEAS 8 TO 10 FT IN NW SWELL. FROM 05N TO 14N W OF 124W WINDS 20 
KT OR LESS. SEAS TO 9 FT IN NW SWELL.

.24 HOUR FORECAST WITHIN 45 NM OF LINE FROM 11N86W TO 10N88W 
INCLUDING GULF OF PAPAGAYO...NE WINDS 20 TO 30 KT. SEAS TO 9 FT.
.48 HOUR FORECAST WITHIN 60 NM OF LINE FROM 11N86W TO 09N90W 
INCLUDING GULF OF PAPAGAYO...NE WINDS 20 TO 30 KT. SEAS 8 TO 10 
FT. 

.24 HOUR FORECAST N OF 06.5N BETWEEN 78.5W AND 81W...INCLUDING 
GULF OF PANAMA...N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST N OF 06N BETWEEN 79W AND 81W...INCLUDING GULF 
OF PANAMA...N 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 WED MAR 21...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH FROM 09N79W TO 05N90W TO 06N104W. ITCZ FROM 
06N104W TO 08N140W. SCATTERED MODERATE ISOLATED STRONG WITHIN 45 
NM S AND 75 NM N OF ITCZ AXIS BETWEEN 118W AND 133W.

$$
.FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.