000
FZPN03 KNHC 270236
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC FRI SEP 27 2024

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

THE NATIONAL WEATHER SERVICE IS ACCEPTING PUBLIC COMMENTS UNTIL
OCTOBER 16 2024 ON A PROPOSAL TO REPLACE FEET WITH METERS WHEN
DESCRIBING SEAS IN A VARIETY OF NATIONAL MARINE CENTER TEXT AND
GRAPHICAL PRODUCTS FOR THE HIGH SEAS AREAS ONLY.
TO LEARN MORE PLEASE VISIT (WEB ADDRESS LOWERCASE)
HTTPS://OCEAN.WEATHER.GOV/PROPOSED-METERS.PHP

SECURITE

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE
EQUATOR E OF 120W

SYNOPSIS VALID 0000 UTC FRI SEP 27.
24 HOUR FORECAST VALID 0000 UTC SAT SEP 28.
48 HOUR FORECAST VALID 0000 UTC SUN SEP 29.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM JOHN NEAR 17.9N 103.2W 984 MB AT 0300 UTC SEP 27
MOVING NW OR 315 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 60 KT
GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM N
SEMICIRCLE...140 NM SE QUADRANT AND 60 NM SW QUADRANT.  SEAS 12
FT OR GREATER WITHIN 45 NM NE QUADRANT...330 NM SE
QUADRANT...300 NM SW QUADRANT...AND 75 NM NW QUADRANT WITH SEAS
TO 21 FT. ELSEWHERE WITHIN 16N99W TO 19N105W TO 14N108W TO 11N114W
TO 10N112W TO 12N100W TO 16N99W WINDS 20 TO 33 KT. SEAS 11 TO 12
FT. REMAINDER AREA WITHIN 15N93W TO 18N103W TO 27N116W TO 
10N114W TO 08N101W TO 12N91W TO 15N93W WINDS 20 KT OR LESS. SEAS
8 TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM JOHN OVER WATER NEAR 19.0N 
104.4W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM
FORCE WINDS WITHIN 10 NM NE QUADRANT...30 NM SE QUADRANT...20 NM
SW QUADRANT...AND 0 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
0 NM N SEMICIRCLE...330 NM SE QUADRANT...AND 300 NM SW QUADRANT 
WITH SEAS TO 14 FT. ELSEWHERE WITHIN 18N102W TO 19N105W TO 
14N106W TO 11N105W TO 11N101W TO 14N101W TO 18N102W WINDS 20 TO 
33 KT. SEAS 9 TO 12 FT. REMAINDER AREA WITHIN 20N107W TO 28N116W 
TO 25N119W TO 10N113W TO 10N97W TO 15N94W TO 20N107W WINDS 20 KT 
OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. 
.36 HOUR FORECAST TROPICAL DEPRESSION JOHN NEAR 19.5N 105.7W. 
MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW JOHN NEAR 20.2N 
107.0W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 21N107W
TO 21N106W TO 20N106W TO 20N107W TO 21N107W WINDS 20 TO 25 KT. 
SEAS 8 TO 10 FT. ELSEWHERE WITHIN 14N92W TO 22N109W TO 24N120W TO
12N119W TO 05N111W TO 08N92W TO 14N92W WINDS 20 KT OR LESS. SEAS
8 TO 11 FT IN MIXED SWELL.

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.

.48 HOUR FORECAST WITHIN 30N125W TO 30N130W TO 29N129W TO
29N128W TO 29N126W TO 30N125W WINDS 20 KT OR LESS. SEAS 8 TO 10
FT IN NW SWELL.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

CONVECTION VALID AT 0230 UTC FRI SEP 27...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 17N108W TO 11N140W. SCATTERED MODERATE FROM 
05N TO 10N E OF 87W...AND FROM 08N TO 14N BETWEEN 110W AND 140W.

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.