000
FZPN03 KNHC 010327
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC TUE JUN 01 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC TUE JUN 01.
24 HOUR FORECAST VALID 0000 UTC WED JUN 02.
48 HOUR FORECAST VALID 0000 UTC THU JUN 03.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM BLANCA NEAR 13.9N 109.4W 998 MB AT 0300 UTC JUN 
01 MOVING WNW OR 300 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 50 KT 
GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM N 
SEMICIRCLE AND 20 NM SE QUADRANT. SEAS 12 FT OR GREATER WITHIN 
30 NM N SEMICIRCLE WITH SEAS TO 16 FT. ELSEWHERE WITHIN 90 NM OF 
CENTER...EXCEPT 60 SW QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 12 
FT. REMAINDER OF AREA FROM 10N TO 15N BETWEEN 105W AND 110W 
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM BLANCA NEAR 15.1N 111.6W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE 
WINDS WITHIN 50 NM OF CENTER EXCEPT 20 NM SW QUADRANT. SEAS 12 
FT OR GREATER WITHIN 60 NM OF CENTER...EXCEPT 30 NM SW QUADRANT 
WITH SEAS TO 18 FT. ELSEWHERE WITHIN 120 NM OF CENTER...EXCEPT 
90 SW QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF 
AREA FROM 10N TO 18N BETWEEN 105W AND 115W WINDS 20 KT OR LESS. 
SEAS 8 TO 9 FT IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM BLANCA NEAR 15.9N 113.2W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE 
WINDS WITHIN 60 NM N SEMICIRCLE AND 50 NM SE QUADRANT. SEAS 12 
FT OR GREATER WITHIN 60 NM OF CENTER...EXCEPT 30 NM SW QUADRANT 
WITH SEAS TO 14 FT. ELSEWHERE WITHIN 120 NM OF CENTER...EXCEPT 
90 SW QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF 
AREA FROM 10N TO 18N BETWEEN 108W AND 115W WINDS 20 KT OR LESS. 
SEAS 8 TO 9 FT IN MIXED SWELL.
.72 HOUR FORECAST TROPICAL STORM BLANCA NEAR 16.1N 114.6W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL DEPRESSION BLANCA NEAR 16.1N 116.5W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW BLANCA NEAR 16.2N 
118.4W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.

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 11N122W 1011 MB. WITHIN 90 NM SE QUADRANT WINDS 
20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE FROM 06N TO 13N BETWEEN 
117W AND 125W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN S TO SW 
SWELL. 
.24 HOUR FORECAST LOW PRES NEAR 12N123W 1011 MB. FROM 10N TO 14N 
BWTEEN 122W AND 125W WINDS 20 KT OR LESS. SEAS 8 FT IN S TO SW 
SWELL.
.48 HOUR FORECAST LOW PRES NEAR 12N124W 1011 MB. WINDS 20 KT OR 
LESS. SEAS LESS THAN 8 FT.

.S OF A LINE FROM 00N121W TO 04N118W TO 00N114W TO 04N110W TO 
00N107W TO 02N100W TO 03.4S98W WINDS 20 KT OR LESS. SEAS 8 TO 9 
FT IN SW SWELL. S OF 01S BETWEEN 92W AND 95W WINDS 20 KT OR 
LESS. SEAS 8 FT IN SW SWELL.
.24 HOUR FORECAST S OF 01S BETWEEN 116W AND 118W...S OF 02N 
BETWEEN 110W AND 114W...AND S OF 00N BETWEEN 95W AND 103W WINDS 
20 KT OR LESS. SEAS 8 FT IN SW SWELL.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.FROM 04N TO 10N BETWEEN 102W AND 111W WINDS 20 KT OR LESS. SEAS 
8 FT IN SW SWELL.
.24 HOUR FORECAST FROM 02N TO 10N BETWEEN 107W AND 111W WINDS 20 
KT OR LESS. SEAS 8 FT IN SW SWELL.
.48 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 0300 UTC JUN 01...

.TS BLANCA NEAR 13.7N 109.7W...NUMEROUS MODERATE TO SCATTERED 
STRONG IS NOTED WITHIN 75 NM E AND 60 NM W SEMICIRCLES OF 
CENTER. SIMILAR CONVECTION IS SEEN FROM 11N TO 14N BETWEEN 103W 
AND 105W. SCATTERED MODERATE ISOLATED STRONG CONVECTION IS 
ELSEWHERE FROM 10N TO 17N BETWEEN 105W AND 111W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH AXIS EXTENDS FROM NORTHERN COLOMBIA NEAR 
10N74W TO 08N90W TO 11N102W, THEN CONTINUES W OF TS BLANCA FROM 
12N112W TO A 1011 MB LOW PRES LOCATED NEAR 11N122W. THE ITCZ 
CONTINUES FROM 11N122W TO 07N130W TO 06N140W. ASIDE FROM 
CONVECTION ASSOCIATED WITH TS BLANCA, SCATTERED MODERATE 
CONVECTION IS FROM 10N TO 13N BETWEEN 111W AND 120W. 

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.