000
FZPN03 KNHC 130311
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC THU JUL 13 2023

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 THU JUL 13.
24 HOUR FORECAST VALID 0000 UTC FRI JUL 14.
48 HOUR FORECAST VALID 0000 UTC SAT JUL 15.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM CALVIN NEAR 12.6N 114.9W 995 MB AT 0300 UTC JUL
13 MOVING W OR 270 DEG AT 15 KT. MAXIMUM SUSTAINED WINDS 60 KT
GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM NW AND SE
QUADRANTS...50 NM NE QUADRANT AND 30 NM SW QUADRANT.  SEAS 12 FT
OR GREATER WITHIN 120 NM NE QUADRANT...30 NM SE QUADRANT...0 NM
SW QUADRANT...AND 45 NM NW QUADRANT WITH SEAS TO 16 FT. ELSEWHERE 
WITHIN 15N111W TO 16N113W TO 16N115W TO 13N116W TO 11N114W TO
13N111W TO 15N111W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER 
OF AREA WITHIN 16N111W TO 16N112W TO 16N114W TO 11N114W TO 11N113W 
TO 14N110W TO 16N111W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN 
MIXED SWELL.
.12 HOUR FORECAST HURRICANE CALVIN NEAR 12.7N 117.0W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT.
.24 HOUR FORECAST HURRICANE CALVIN NEAR 13.0N 119.7W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS
WITHIN 80 NM N SEMICIRCLE...60 NM SE QUADRANT AND 50 NM SW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM N SEMICIRCLE 
AND 90 NM S SEMICIRCLE WITH SEAS TO 28 FT. ELSEWHERE WITHIN 
16N119W TO 16N120W TO 14N122W TO 12N121W TO 12N118W TO 13N117W 
TO 16N119W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF 
AREA WITHIN 16N115W TO 18N119W TO 14N122W TO 11N122W TO 10N118W 
TO 11N116W TO 16N115W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT 
IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE CALVIN NEAR 14.4N 125.4W. MAXIMUM
SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS
WITHIN 70 NM S SEMICIRCLE...110 NM NE QUADRANT AND 90 NM NW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 90 NM S SEMICIRCLE...150 NM 
NE QUADRANT AND 90 NM NW QUADRANT WITH SEAS TO 35 FT. ELSEWHERE 
WITHIN 16N123W TO 18N126W TO 17N128W TO 13N127W TO 13N124W TO 
14N123W TO 16N123W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER 
OF AREA WITHIN 17N120W TO 20N121W TO 18N128W TO 14N129W TO 10N127W 
TO 11N122W TO 17N120W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN 
MIXED SWELL.
.72 HOUR FORECAST HURRICANE CALVIN NEAR 15.6N 131.4W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM CALVIN NEAR 16.7N 138.0W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT.
.120 HOUR FORECAST TROPICAL STORM CALVIN NEAR 17.7N 144.7W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 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.

.WITHIN 15N138W TO 16N140W TO 07N140W TO 06N139W TO 08N135W TO
15N138W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE SWELL.
.24 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 0230 UTC THU JUL 13...

.T.S. CALVIN...NUMEROUS MODERATE TO STRONG FROM 09N TO 14N 
BETWEEN 111W AND 119W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N84W TO 12N107W...THEN RESUMES NEAR 13N119W 
TO 12N128W. ITCZ FROM 12N128W TO 07N140W. SCATTERED MODERATE FROM 03N 
TO 14N AND E OF 106W...AND FROM 04N TO 13N AND W OF 126W. 

$$
.FORECASTER ERA. NATIONAL HURRICANE CENTER.