000
FZPN03 KNHC 122138
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC WED JUL 12 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC WED JUL 12.
24 HOUR FORECAST VALID 1800 UTC THU JUL 13.
48 HOUR FORECAST VALID 1800 UTC FRI JUL 14.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM CALVIN NEAR 12.8N 113.8W 1000 MB AT 2100 UTC JUL
12 MOVING W OR 275 DEG AT 15 KT. MAXIMUM SUSTAINED WINDS 55 KT 
GUSTS 65 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 0 NM S SEMICIRCLE...90 NM NE QUADRANT AND 45 NM
NW QUADRANT WITH SEAS TO 15 FT. ELSEWHERE WITHIN 15N109W TO 
16N113W TO 15N115W TO 13N115W TO 11N113W TO 11N110W TO 15N109W 
WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.12 HOUR FORECAST HURRICANE CALVIN NEAR 12.9N 115.9W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS 80 KT.
.24 HOUR FORECAST HURRICANE CALVIN NEAR 13.1N 118.6W. MAXIMUM 
SUSTAINED WINDS 75 KT GUSTS 90 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 180 NM NE QUADRANT...120 
NM SE QUADRANT...AND 60 NM IN W SEMICIRCLE WITH SEAS TO 24 FT. 
ELSEWHERE WITHIN 17N117W TO 16N119W TO 14N120W TO 11N119W TO 
12N116W TO 13N115W TO 17N117W WINDS 20 TO 33 KT. SEAS 10 TO 12 
FT. REMAINDER OF AREA WITHIN 16N113W TO 18N117W TO 16N120W TO 
13N122W TO 10N118W TO 12N115W TO 16N113W WINDS 20 KT OR LESS. 
SEAS 8 TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE CALVIN NEAR 14.3N 124.3W. 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 210 NM NE QUADRANT...150 
NM SE QUADRANT...120 NM SW QUADRANT...AND 90 NM NW QUADRANT WITH 
SEAS TO 34 FT. ELSEWHERE WITHIN 16N122W TO 17N125W TO 16N126W TO 
13N125W TO 13N122W TO 14N121W TO 16N122W WINDS 20 TO 33 KT. SEAS 
10 TO 12 FT. REMAINDER OF AREA WITHIN 15N118W TO 19N120W TO 
19N125W TO 15N127W TO 10N124W TO 11N120W TO 15N118W WINDS 20 KT 
OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.72 HOUR FORECAST HURRICANE CALVIN NEAR 15.6N 130.4W. 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 16.8N 136.7W. 
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT.
.120 HOUR FORECAST TROPICAL STORM CALVIN NEAR 17.8N 143.7W. 
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 13N130W TO 17N135W TO 18N140W TO 00N140W TO 04N137W TO
13N130W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE TO E SWELL.
.24 HOUR FORECAST WITHIN 11N138W TO 11N140W TO 07N140W TO 
09N138W TO 11N138W WINDS 20 KT OR LESS. SEAS 8 FT IN SE TO S 
SWELL.
.36 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 2130 UTC WED JUL 12...

.T.S. CALVIN...NUMEROUS MODERATE SCATTERED STRONG FROM 08N TO 
16N BETWEEN 111W AND 118W. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH EXTENDS FROM 09N84W TO 09N98W TO 11N108W...AND 
FROM 13N117W TO 12N124W. ITCZ CONTINUES FROM 12N124W TO 10N130W 
TO BEYOND 06N140W. SCATTERED MODERATE ISOLATED STRONG FROM 02N 
TO 15N AND E OF 108W. SCATTERED MODERATE FROM 05N TO 15N BETWEEN
120W AND 140W.

$$
.FORECASTER AREINHART. NATIONAL HURRICANE CENTER.