000
FZPN03 KNHC 081537
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC THU MAR 08 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 THU MAR 08.
24 HOUR FORECAST VALID 1200 UTC FRI MAR 09.
48 HOUR FORECAST VALID 1200 UTC SAT MAR 10.

.WARNINGS.

...GALE WARNING...
.WITHIN 30 NM OF LINE FROM 16N95W TO 14.5N95.5W...INCLUDING GULF 
OF TEHUANTEPEC...N TO NE WINDS 30 TO 35 KT. SEAS 10 TO 13 FT. 
ELSEWHERE WITHIN 60 NM OF LINE FROM 16N95W TO 14.5N05.5W TO 
12.5N97.5W TO 12.5N100W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 12 
FT.
.06 HOUR FORECAST WITHIN 45 NM OF LINE FROM 16N95W TO 14.5N95.5W 
TO 12N98.5W TO 11.5N100.5W...INCLUDING GULF OF TEHUANTEPEC...NE 
TO E WINDS 20 TO 30 KT. SEAS 9 TO 12 FT. ELSEWHERE WITHIN 90 NM 
OF LINE FROM 16N95W TO 12.5N96.5W TO 11.5N100.5W WINDS 20 KT OR 
LESS. SEAS 8 TO 11 FT IN MIXED NE AND SW SWELL.
.24 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 15N95W TO 
13N96W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 
KT. SEAS 8 TO 11 FT. ELSEWHERE WITHIN 60 NM OF LINE FROM 16N95W 
TO 14N95W TO 12.5N96.5W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN 
MIXED NE AND SW SWELL.
.30 HOUR FORECAST FROM 11N TO 15N BETWEEN 95W AND 98W WINDS 20 
KT OR LESS. SEAS 8 TO 9 FT IN MIXED NE AND SW SWELL. FROM 07N TO 
10N BETWEEN 100W AND 103W WINDS 20 KT OR LESS. SEAS 8 FT IN 
MIXED NE AND SW SWELL.
.48 HOUR FORECAST FROM 06N TO 10N BETWEEN 104W AND 110W WINDS 20 
KT OR LESS. SEAS 8 FT IN MIXED NE AND SW SWELL.

.SYNOPSIS AND FORECAST.

.WEAKENING WARM FRONT FROM 30N128W TO LOW PRES 1012 MB NEAR 
28N129W...THEN WEAKENING COLD FRONT TO 24N133W TO 22N137W. W OF 
LINE FROM 30N126W TO 19N130W TO 12N120W TO 07N129W WINDS 20 KT 
OR LESS. SEAS 8 TO 10 FT PRIMARILY IN NW SWELL. 
.24 HOUR FORECAST LOW AND FRONTS DISSIPATED. TROUGH FROM 30N127W 
TO 27N133W TO 22N140W. W OF A LINE FROM 18N130W TO 12N118W TO 
06N115W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED NW 
AND NE SWELL. 
.48 HOUR FORECAST TROUGH DISSIPATED. FROM 06N TO 11N BETWEEN 
124W AND 135W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED NW 
AND NE SWELL.

.WITHIN 90 NM OF LINE FROM 11.5N86.5W TO 09N91W...INCLUDING GULF 
OF PAPAGAYO...NE WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST WITHIN 45 NM OF LINE FROM 11.5N86W TO 
09N90W...INCLUDING GULF OF PAPAGAYO...NE WINDS 20 TO 30 KT. SEAS 
8 TO 11 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.FROM 04N TO 07N BETWEEN 79W AND 81W...INCLUDING GULF OF 
PANAMA...N TO NE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST 05N TO 08N BETWEEN 79W AND 81W...INCLUDING 
GULF OF PANAMA...N TO NE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

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

CONVECTION VALID AT 1445 UTC THU MAR 8...

.WEAKENING WARM FRONT FROM 30N128W TO LOW PRES 1012 MB NEAR 
28N129W...THEN WEAKENING COLD FRONT TO 24N133W TO 22N137W. 
SCATTERED MODERATE WITHIN 90 NM EITHER SIDE OF LINE FROM 22N125W 
TO 28N122W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
ITCZ FROM 02N95W TO 01N106W TO BEYOND 08N140W. SECOND ITCZ FROM 
03.4S109W TO 03S112W TO BEYOND 03S120W. NO SIGNIFICANT 
CONVECTION WITH EITHER FEATURE.

$$
.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.