000
FZPN03 KNHC 141558
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC FRI JUL 14 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC FRI JUL 14.
24 HOUR FORECAST VALID 1200 UTC SAT JUL 15.
48 HOUR FORECAST VALID 1200 UTC SUN JUL 16.

.WARNINGS.

...HURRICANE WARNING...

.HURRICANE CALVIN NEAR 13.6N 123.2W 963 MB AT 1500 UTC JUL 14 
MOVING W OR 280 DEG AT 14 KT. MAXIMUM SUSTAINED WINDS 105 KT 
GUSTS 130 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM N 
SEMICIRCLE...90 NM SE QUADRANT AND 80 NM SW QUADRANT.  SEAS 12 
FT OR GREATER WITHIN 180 NM NE QUADRANT...120 NM SE QUADRANT... 
90 NM SW QUADRANT...AND 150 NM NW QUADRANT WITH SEAS TO 36 FT. 
ELSEWHERE WITHIN 210 NM OF CENTER...EXCEPT 150 NM SW QUADRANT 
WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF THE AREA FROM 
09N TO 19N BETWEEN 117W AND 125W WINDS 20 KT OR LESS. SEAS 8 TO 
10 FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE CALVIN NEAR 14.7N 128.1W. MAXIMUM 
SUSTAINED WINDS 100 KT GUSTS 120 KT. TROPICAL STORM FORCE WINDS 
WITHIN 110 NM NE QUADRANT...80 NM SE QUADRANT...70 NM SW 
QUADRANT...AND 100 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
120 NM OF CENTER...EXCEPT 180 NM NE QUADRANT WITH SEAS TO 32 FT.
ELSEWHERE WITHIN 210 NM OF CENTER...EXCEPT 150 NM SW QUADRANT 
WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF THE AREA FROM 
08N TO 21N BETWEEN 122W AND 132W WINDS 20 KT OR LESS. SEAS 8 TO 
10 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE CALVIN NEAR 16.0N 133.9W. MAXIMUM 
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS 
WITHIN 60 NM S SEMICIRCLE...100 NM NE QUADRANT AND 90 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM N AND 120 NM S 
SEMICIRCLES WITH SEAS TO 28 FT. ELSEWHERE WITHIN 240 NM N AND 
150 NM S SEMICIRCLES WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. 
REMAINDER OF THE AREA FROM 11N TO 22N BETWEEN 128W AND 140W 
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.60 HOUR FORECAST TROPICAL STORM CALVIN NEAR 16.6N 137.0W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT.
.72 HOUR FORECAST TROPICAL STORM CALVIN NEAR 17.2N 140.4W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM CALVIN NEAR 17.9N 147.8W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT.
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW CALVIN NEAR 19.0N 
155.5W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 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.

.FROM 10N TO 11.5N E OF 90W...INCLUDING THE GULF OF PAPAGAYO... 
NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST FROM 10N TO 12N E OF 90W...INCLUDING THE GULF 
OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.36 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 1500 UTC FRI JUL 14...

.HURCN CALVIN...NUMEROUS MODERATE TO STRONG WITHIN 75 NM OF 
CENTER. SCATTERED MODERATE ELSEWHERE FROM 11N TO 16N BETWEEN 
120W AND 125W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS ACROSS THE GULF OF PANAMA NEAR 08N79W 
TO 06N95W. THE ITCZ EXTENDS FROM 06N102W TO 05N115W, THEN 
RESUMES AT 09N133W TO 09N140W. SCATTERED MODERATE TO ISOLATED 
STRONG CONVECTION CAN BE FOUND OF 120W FROM 03N TO 08N E OF 80W 
TO THE COAST OF COLOMBIA...FROM 03N TO 06N BETWEEN 100W AND 
105W...SE OF CALVIN FROM 06N TO 10N BETWEEN 115W AND 120W...AND 
FROM 06N TO 10N BETWEEN 129W AND 140W.

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.