619
FZPN03 KNHC 241616
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC TUE SEP 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC TUE SEP 24.
24 HOUR FORECAST VALID 1200 UTC WED SEP 25.
48 HOUR FORECAST VALID 1200 UTC THU SEP 26.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM JOHN NEAR 17.7N 100.5W 1001 MB AT 1500 UTC SEP
24 MOVING NW OR 310 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 35 KT
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM N SEMICIRCLE
AND 70 NM S SEMICIRCLE. ELSEWHERE WITHIN 15N99W TO 14N104W TO
12N108W TO 10N104W TO 11N97W TO 15N99W WINDS 20 TO 33 KT. SEAS
10 TO 13 FT. REMAINDER OF AREA WITHIN 12N91W TO 17N101W TO
12N113W TO 10N103W TO 11N100W TO 08N97W TO 12N91W WINDS 20 KT OR
LESS. SEAS 9 TO 11 FT IN W SWELL.
.12 HOUR FORECAST TROPICAL DEPRESSION JOHN INLAND NEAR 17.7N
101.1W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.24 HOUR FORECAST TROPICAL DEPRESSION JOHN OVER WATER NEAR 17.3N
101.1W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. ELSEWHERE
WITHIN 14N96W TO 18N102W TO 15N102W TO 11N106W TO 10N103W TO
10N99W TO 14N96W WINDS 20 TO 30 KT. SEAS 11 TO 14 FT. REMAINDER
OF AREA WITHIN 12N88W TO 15N94W TO 17N105W TO 10N110W TO 08N96W
TO 12N88W...INCLUDING THE GULF OF TEHUANTEPEC...WINDS 20 KT OR
LESS. SEAS 8 TO 11 FT IN W SWELL.
.48 HOUR FORECAST TROPICAL DEPRESSION JOHN INLAND NEAR 17.4N
100.7W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. ELSEWHERE
WITHIN 15N99W TO 16N102W TO 12N105W TO 10N103W TO 11N100W TO
13N97W TO 15N99W WINDS 20 TO 25 KT. SEAS 11 TO 14 FT. REMAINDER
OF AREA WITHIN 12N91W TO 16N93W TO 18N103W TO 12N115W TO 08N105W
TO 09N97W TO 12N91W...INCLUDING THE GULF OF TEHUANTEPEC...WINDS
20 KT OR LESS. SEAS 9 TO 11 FT IN W TO 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.

.30 HOUR FORECAST WITHIN 30N134W TO 30N140W TO 27N140W TO
28N138W TO 30N134W WINDS 20 KT OR LESS. SEAS 8 FT IN NW SWELL.
.48 HOUR FORECAST WITHIN 30N127W TO 30N137W TO 27N140W TO
22N140W TO 22N138W TO 30N127W WINDS 20 KT OR LESS. SEAS 8 FT IN
NW SWELL.

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

CONVECTION VALID AT 1200 UTC TUE SEP 24...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

THE MONSOON TROUGH AXIS EXTENDS FROM 14N108W TO 14N121W TO
12N140W. SCATTERED MODERATE LOCALLY STRONG FROM 08N TO 11N WEST
OF 136W. SCATTERED MODERATE WITHIN 120 NM SOUTH OF THE TROUGH
BETWEEN 112W AND 133W.

$$
.FORECASTER ADAMS. NATIONAL HURRICANE CENTER.