104 
FZPN03 KNHC 271540
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC THU JUN 27 2019

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 JUN 27.
24 HOUR FORECAST VALID 1200 UTC FRI JUN 28.
48 HOUR FORECAST VALID 1200 UTC SAT JUN 29.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM ALVIN NEAR 15.8N 113.1W 999 MB AT 1500 UTC JUN
27 MOVING WNW OR 300 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 50 KT
GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 20 NM OF CENTER.
SEAS 12 FT OR GREATER WITHIN 30 NM OF CENTER EXCEPT 0 NM SW
QUADRANT WITH SEAS TO 14 FT. ELSEWHERE WITHIN 120 NM NE
SEMICIRCLE AND 60 NM SW SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 
12 FT.
.24 HOUR FORECAST TROPICAL STORM ALVIN NEAR 18.5N 117.0W. 
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE 
WINDS WITHIN 30 NM N SEMICIRCLE AND 20 NM S SEMICIRCLE. SEAS 12 
FT OR GREATER 60 NM NE SEMICIRCLE AND 30 NM SW SEMICIRCLE WITH 
SEAS TO 17 FT. ELSEWHERE WITHIN 180 NM NE SEMICIRCLE AND 60 NM SW
SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST TROPICAL DEPRESSION ALVIN NEAR 20.5N 120.7W. 
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WINDS 20 TO 33 KT 
WITHIN 60 NM NE SEMICIRCLE AND 30 NM SW SEMICIRCLE. SEAS 8 TO 9 
FT. 
.72 HOUR FORECAST...DISSIPATED.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

...GALE WARNING...
.WITHIN 14N95W TO 13N96W TO 15N96W TO 16N95W TO 15N94W TO
14N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO
30 KT. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST WITHIN 15N94.5W TO 15N95W TO 15N95.5W TO 
16N95.5W TO 16N94.5W TO 15N94.5W...INCLUDING THE GULF OF 
TEHUANTEPEC... N WINDS 25 TO 35 KT. SEAS 8 TO 12 FT. ELSEWHERE 
WITHIN 14N94W TO 14N96W TO 15N96W TO 16N95W TO 16N94W TO 
14N94W... INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 30 
KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST WITHIN 15.5N94.5W TO 15N95W TO 15.5N95.5W TO 
16N95W TO 16N94.5W TO 15.5N94.5W...INCLUDING THE GULF OF 
TEHUANTEPEC...N WINDS 25 TO 35 KT. SEAS 9 TO 13 FT. ELSEWHERE WITHIN
13N94W TO 12N96W TO 13N97W TO 16N95W TO 15N94W TO 13N94W... 
INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. 
SEAS 8 TO 11 FT.
.48 HOUR FORECAST LITTLE CHANGE. 

.SYNOPSIS AND FORECAST.

.WITHIN 10N87W TO 09N89W TO 10N92W TO 11N89W TO 11N86W TO
10N87W...INCLUDING THE GULF OF PAPAGAYO... NE TO E WINDS 20 TO
30 KT. SEAS 8 FT.
.24 HOUR FORECAST WITHIN 10N86W TO 09N87W TO 09N93W TO 11N92W TO
12N86W TO 10N86W...INCLUDING THE GULF OF PAPAGAYO... NE TO E
WINDS 20 TO 25 KT. SEAS 8 FT.
.48 HOUR FORECAST WITHIN 06N94W TO 07N99W TO 11N101W TO 12N91W
TO 06N94W SE WINDS 20 TO 25 KT. SEAS 9 TO 11 FT.

.48 HOUR FORECAST S OF 02S W OF 110W WINDS 20 KT OR LESS. SEAS 8
FT IN SW SWELL.

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

CONVECTION VALID AT 1500 UTC THU JUN 27...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS FROM COAST OF COLOMBIA NEAR 08N78W TO 
09N125W. ITCZ FROM 09N125W TO 09N130W...WHERE IT IS BROKEN BY 
TROPICAL WAVE...RESUMES AT 09N132W TO 09N138W. EXCEPT FOR 
CONVECTION ASSOCIATED WITH TROPICAL WAVES DESCRIBED ABOVE... 
SCATTERED MODERATE ISOLATED STRONG E OF 80W WITHIN 120 NM OF 
AXIS...BETWEEN 99W AND 102W WITHIN 60 NM OF AXIS...AND BETWEEN 
125W AND 128W WITHIN 60 NM SOUTH OF AXIS. 

$$
.FORECASTER LANDSEA. NATIONAL HURRICANE CENTER.