423
FZPN03 KNHC 232047
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC FRI OCT 23 2026

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FRI OCT 23.
24 HOUR FORECAST VALID 1800 UTC SAT OCT 24.
48 HOUR FORECAST VALID 1800 UTC SUN OCT 25.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE VANCE NEAR 11.2N 102.3W 971 MB AT 2100 UTC OCT 23
MOVING NW OR 325 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 90 KT
GUSTS 110 KT. TROPICAL STORM FORCE WINDS WITHIN 130 NM NE
QUADRANT...180 NM SE QUADRANT...80 NM SW QUADRANT...AND 110 NM
NW QUADRANT.  SEAS 4 M OR GREATER WITHIN 180 NM NW AND SE
QUADRANTS...210 NM NE QUADRANT AND 150 NM SW QUADRANT WITH SEAS
TO 10.5 M. ELSEWHERE WITHIN 13N99W TO 15N100W TO 14N104W TO
10N105W TO 09N101W TO 10N99W TO 13N99W WINDS 20 TO 33 KT. SEAS
DESCRIBED ABOVE. REMAINDER AREA WITHIN 14N98W TO 17N101W TO
14N110W TO 08N108W TO 05N103W TO 06N99W TO 14N98W WINDS 20 KT OR
LESS. SEAS 2.5 TO 4.0 M IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE VANCE NEAR 12.9N 103.0W. MAXIMUM
SUSTAINED WINDS 100 KT GUSTS 120 KT. TROPICAL STORM FORCE WINDS
WITHIN 160 NM NE QUADRANT...190 NM SE QUADRANT...80 NM SW
QUADRANT...AND 120 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN
210 NM OF CENTER...EXCEPT 180 NM SW QUADRANT WITH SEAS TO 11.0 M.
ELSEWHERE WITHIN 14N100W TO 17N102W TO 16N106W TO 12N107W TO
10N103W TO 11N100W TO 14N100W WINDS 20 TO 33 KT. SEAS DESCRIBED
ABOVE. REMAINDER AREA WITHIN 16N98W TO 20N105W TO 17N112W TO
12N113W TO 04N108W TO 08N98W TO 16N98W WINDS 20 KT OR LESS. SEAS
2.5 TO 4.0 M IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE VANCE NEAR 14.9N 103.6W. MAXIMUM
SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS
WITHIN 150 NM NE QUADRANT...170 NM SE QUADRANT...80 NM SW
QUADRANT...AND 120 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN
240 NM OF CENTER WITH SEAS TO 11.0 M. ELSEWHERE WITHIN 17N100W
TO 19N104W TO 18N106W TO 15N107W TO 13N105W TO 14N101W TO 17N100W
WINDS 20 TO 33 KT. SEAS DESCRIBED ABOVE. REMAINDER AREA WITHIN
14N106W TO 19N105W TO 21N111W TO 13N114W TO 07N103W TO 14N98W TO
14N106W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.0 M 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.

...GALE WARNING...
.WITHIN 16N94W TO 16N95W TO 15N97W TO 14N97W TO 13N96W TO 14N94W
TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE WINDS
20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.06 HOUR FORECAST LITTLE CHANGE...EXCEPT WINDS TO GALE FORCE.
.18 HOUR FORECAST LITTLE CHANGE...EXCEPT WINDS BELOW GALE FORCE.
.24 HOUR FORECAST WITHIN 16N93W TO 16N95W TO 16N96W TO 14N95W TO
14N94W TO 15N93W TO 16N93W...INCLUDING THE GULF OF
TEHUANTEPEC... N WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST WITHIN 15N94W TO 16N94W TO 16N95W TO 15N97W TO
13N96W TO 13N95W TO 15N94W...INCLUDING THE GULF OF
TEHUANTEPEC... NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.

.SYNOPSIS AND FORECAST.

.WITHIN 16N122W TO 19N130W TO 19N140W TO 11N140W TO 11N131W TO
13N123W TO 16N122W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N
SWELL.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.WITHIN 00N80W TO 00N85W TO 02S89W TO 03.4S94W TO 03S80W TO
00N80W...INCLUDING THE GULF OF GUAYAQUIL AND EXCEPT LEE OF
GALAPAGOS ISLANDS... WINDS 20 KT OR LESS. SEAS 2.5 M IN S TO SW
SWELL.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.18 HOUR FORECAST WITHIN 30N120W TO 30N128W TO 29N125W TO
29N123W TO 30N120W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N
SWELL.
.24 HOUR FORECAST WITHIN 30N119W TO 30N127W TO 29N124W TO
29N122W TO 29N119W TO 30N119W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN NW TO N SWELL.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.48 HOUR FORECAST WITHIN 30N138W TO 30N140W TO 28N140W TO
30N138W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN W TO NW SWELL.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

CONVECTION VALID AT 2045 UTC FRI OCT 23...

.HURRICANE VANCE...NUMEROUS MODERATE TO STRONG WITHIN 120 NM OF
THE CENTER. SCATTERED MODERATE ISOLATED STRONG ELSEWHERE FROM
03N TO 16N BETWEEN 95W AND 106W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N85W TO 09N95W. IT RESUMES NEAR 09N105W
TO 06N113W. ITCZ FROM 06N113W TO 04N135W TO 05N140W. SCATTERED
MODERATE ISOLATED STRONG FROM 00N TO 09N AND E OF 90W...AND FROM
00N TO 07N BETWEEN 125W AND 140W.

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.