000
FZPN03 KNHC 270942
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC THU JUN 27.
24 HOUR FORECAST VALID 0600 UTC FRI JUN 28.
48 HOUR FORECAST VALID 0600 UTC SAT JUN 29.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM ALVIN NEAR 15.1N 111.9W 999 MB AT 0900 UTC JUN 
27 MOVING WNW OR 300 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 50 KT 
GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 20 NM OF CENTER 
EXCEPT 0 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 30 NM N 
SEMICIRCLE AND 0 NM S SEMICIRCLE WITH SEAS TO 16 FT. ELSEWHERE 
WITHIN 60 NM OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST TROPICAL STORM ALVIN NEAR 17.3N 116.0W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE 
WINDS WITHIN 30 NM N SEMICIRCLE...20 NM SE QUADRANT AND 0 NM SW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 45 NM N SEMICIRCLE AND 15 
NM S SEMICIRCLE WITH SEAS TO 17 FT. ELSEWHERE WITHIN 75 NM OF 
CENTER WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST TROPICAL STORM ALVIN NEAR 19.6N 119.9W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE 
WINDS WITHIN 40 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE. SEAS 12 
FT OR GREATER WITHIN 30 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE 
WITH SEAS TO 13 FT. ELSEWHERE WITHIN 60 NM OF CENTER WINDS 20 TO 
33 KT. SEAS 8 TO 11 FT.
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW ALVIN NEAR 20.7N 
122.7W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 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...
.12 HOUR FORECAST N OF 14.5N BETWEEN 94.5W AND 95.5W...INCLUDING 
THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS TO 8 
FT.
.24 HOUR FORECAST WITHIN 15 NM OF LINE FROM 16N95W TO 
14.5N95.5W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 
35 KT. SEAS 8 TO 11 FT. ELSEWHERE WITHIN 45 NM OF SAME LINE N TO 
NE WINDS 20 TO 30 KT. SEAS TO 9 FT.
.48 HOUR FORECAST WITHIN 15 NM OF LINE FROM 16N95W TO 
15N95.5W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 
35 KT. SEAS 8 TO 11 FT. ELSEWHERE WITHIN 60 NM OF LINE FROM 
16N95W TO 12N97W N TO NE WINDS 20 TO 30 KT. SEAS TO 9 FT.

.SYNOPSIS AND FORECAST.

.12 HOUR FORECAST WITHIN 45 NM OF LINE FROM 11N86W TO 10N90W... 
INCLUDING GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST WITHIN 60 NM OF LINE FROM 11N86W TO 10N92W... 
INCLUDING GULF OF PAPAGAYO...NE WINDS 20 TO 30 KT. SEAS TO 9 FT.
.48 HOUR FORECAST WITHIN 45 NM OF LINE FROM 11N86W TO 09N95W... 
INCLUDING GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS 8 
TO 10 FT. ELSEWHERE FROM 06N TO 09N BETWEEN 93W AND 96W WINDS 20 
KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL.

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

CONVECTION VALID AT 0900 UTC THU JUN 27...

.TROPICAL STORM ALVIN...SCATTERED MODERATE TO STRONG WITHIN 75 
NM OF CENTER.

.TROPICAL WAVE ALONG 92W N OF 02N...SCATTERED MODERATE ISOLATED 
STRONG FROM 06N TO 08N BETWEEN 90W AND 95W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N78W TO 09N106W. ITCZ FROM 09N116W TO 
09N137W. SCATTERED MODERATE ISOLATED STRONG WITHIN 90 NM OF ITCZ 
W OF 120W.

$$
.FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.