166
FZPN03 KNHC 262219
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC THU SEP 26 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC THU SEP 26.
24 HOUR FORECAST VALID 1800 UTC FRI SEP 27.
48 HOUR FORECAST VALID 1800 UTC SAT SEP 28.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE JOHN NEAR 17.6N 102.8W 979 MB AT 2100 UTC SEP 26
MOVING NW OR 325 DEG AT 2 KT. MAXIMUM SUSTAINED WINDS 65 KT
GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM W
SEMICIRCLE...40 NM NE QUADRANT AND 130 NM SE QUADRANT.  SEAS 12
FT OR GREATER WITHIN 60 NM NE QUADRANT...330 NM SE
QUADRANT...270 NM SW QUADRANT...AND 90 NM NW QUADRANT WITH SEAS
TO 21 FT. ELSEWHERE WITHIN 16N95W TO 21N113W TO 13N114W TO
10N112W TO 08N102W TO 12N89W TO 16N95W...INCLUDING NEAR CABO
CORRIENTES AND THE GULF OF TEHUANTEPEC...WINDS 20 TO 33 KT. SEAS
11 TO 13 FT. REMAINDER OF AREA WITHIN 24N112W TO 26N114W TO
27N116W TO 23N115W TO 21N114W TO 22N112W TO 24N112W...INCLUDING
WITHIN 60 NM OF SHORE...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN
NW SWELL.
.24 HOUR FORECAST TROPICAL STORM JOHN INLAND NEAR 18.6N 103.5W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE
WINDS WITHIN 10 NM NE QUADRANT...70 NM SE QUADRANT...30 NM SW
QUADRANT...AND 20 NM NW QUADRANT. SEAS 12 FT OR GREATER N OF 13N
BETWEEN 97W AND 108W. ELSEWHERE WITHIN 15N94W TO 20N106W TO
17N114W TO 13N117W TO 08N107W TO 08N100W TO 15N94W...INCLUDING
NEAR CABO CORRIENTES AND THE GULF OF TEHUANTEPEC...WINDS 20 TO
33 KT. SEAS 11 TO 13 FT. REMAINDER OF AREA WITHIN 29N114W TO
30N117W TO 24N119W TO 17N115W TO 17N110W TO 20N107W TO
29N114W...INCLUDING NEAR CABO CORRIENTES AND SEBASTIAN VIZCAINO
BAY AND WITHIN 60 NM OF SHORE...WINDS 20 KT OR LESS. SEAS 8 TO
10 FT IN NW SWELL.
.36 HOUR FORECAST TROPICAL DEPRESSION JOHN OVER WATER NEAR
19.2N 104.7W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW JOHN NEAR 19.8N
106.0W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN
20N107W TO 30N116W TO 24N119W TO 10N118W TO 07N108W TO 12N92W TO
20N107W...INCLUDING NEAR CABO CORRIENTES AND SEBASTIAN VIZCAINO
BAY AND WITHIN 60 NM OF SHORE AND THE GULF OF TEHUANTEPEC...
WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW 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.

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

CONVECTION VALID AT 2150 UTC THU SEP 26...

.HURRICANE JOHN...NUMEROUS MODERATE TO STRONG FROM 15N TO 19N
BETWEEN 98W AND 106W. SCATTERED MODERATE ELSEWHERE FROM 09N TO
21N BETWEEN 97W AND 113W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS WEST OF HURRICANE JOHN NEAR 13N110W
TO 13N126W AND BEYOND 09N140W. SCATTERED MODERATE N OF 01N E OF
85W...AND FROM 08N TO 14N BETWEEN 117W AND 134W...AND FROM 07N
TO 11N W OF 134W.

$$
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.