000
FZPN03 KNHC 021537
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC WED JUN 2 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 JUN 2.
24 HOUR FORECAST VALID 1200 UTC THU JUN 3.
48 HOUR FORECAST VALID 1200 UTC FRI JUN 4.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM BLANCA NEAR 15.5N 112.2W 1003 MB AT 1500 UTC JUN
02 MOVING WNW OR 300 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 40 KT
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM NW AND SE
QUADRANTS...40 NM NE QUADRANT AND 0 NM SW QUADRANT. SEAS 12 FT 
OR GREATER WITHIN 60 NM N SEMICIRCLE...45 NM SE QUADRANT AND 30 
NM SW QUADRANT WITH SEAS TO 15 FT. ELSEWHERE WITHIN 14N111W TO 15N113W
TO 16N113W TO 17N111W TO 16N109W TO 14N111W WINDS 20 TO 33 KT.
SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 14N108W TO 11N110W TO 
15N114W TO 17N114W TO 18N110W TO 14N108W WINDS 20 KT OR LESS. 
SEAS 8 TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL DEPRESSION BLANCA NEAR 15.6N 113.5W. 
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS 12 FT OR GREATER
WITHIN 45 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE WITH SEAS TO 13
FT. ELSEWHERE WITHIN 15N112W TO 14N113W TO 15N115W TO
17N114W TO 17N112W TO 15N112W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
REMAINDER OF AREA WITHIN 14N112W TO 14N113W TO 17N115W TO 
19N112W TO 17N109W TO 14N112W WINDS 20 KT OR LESS. SEAS 8 TO 10 
FT IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL DEPRESSION BLANCA NEAR 15.3N 116.0W. 
MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 16N114W TO 
16N115W TO 17N116W TO 18N115W TO 18N113W TO 16N114W WINDS 20 TO 
25 KT. SEAS 8 TO 10 FT.
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW BLANCA NEAR 15.3N 
118.8W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL REMNANT LOW BLANCA NEAR 15.3N 
120.7W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.
.120 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.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 11N126W 1010 MB. WITHIN 13N123W TO 11N125W TO 
12N127W TO 14N126W TO 15N124W TO 13N123W WINDS 20 KT OR LESS. 
SEAS 8 FT IN MIXED SWELL.
.12 HOUR FORECAST LOW PRES NEAR 11.5N126.5W 1011 MB. CONDITIONS
IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.WITHIN 03.4S83W TO 03.4S87.5W TO 03S86W TO 03S84.5W TO 03S83W
TO 03.4S83W WINDS 20 KT OR LESS. SEAS 8 FT IN SW SWELL.
.06 HOUR FORECAST CONDITIONS IMPROVE. 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 1510 UTC WED JUN 2...

.TROPICAL STORM BLANCA...SCATTERED MODERATE ISOLATED STRONG 
WITHIN 240 NM E QUADRANT

.LOW PRES NEAR 11N126W...NUMEROUS MODERATE ISOLATED STRONG WITHIN
300 NM NW SEMICIRCLE.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM LOW PRES NEAR 10N75W TO 07N82W TO 10N104W 
THEN RESUMES NEAR 10N115W TO LOW PRES NEAR 11N126W. ITCZ FROM 
11N126W TO 06N140W. SCATTERED MODERATE ISOLATED STRONG FROM 04N 
TO 09N BETWEEN 77W AND 85W...WITHIN 150 NM S-SW OF MONSOON 
TROUGH BETWEEN 85W AND 104W...AND FROM 07N TO 12N BETWEEN 104W 
AND 117W. SIMILAR CONVECTION FROM 11N TO 16N BETWEEN 92W AND 
103W.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.