034
FZPN03 KNHC 222051
HSFEP2
HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC THU OCT 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 THU OCT 22.
24 HOUR FORECAST VALID 1800 UTC FRI OCT 23.
48 HOUR FORECAST VALID 1800 UTC SAT OCT 24.
.WARNINGS.
..HURRICANE WARNING
.TROPICAL STORM VANCE NEAR 10.0N 101.5W 994 MB AT 2100 UTC OCT
22 MOVING WNW OR 300 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 55 KT
GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM NE
QUADRANT...50 NM SE QUADRANT...30 NM SW QUADRANT...AND 70 NM NW
QUADRANT. SEAS 4 M OR GREATER WITHIN 90 NM OF CENTER EXCEPT 75
NM SW QUADRANT WITH SEAS TO 7.0 M. ELSEWHERE WITHIN 11N99W TO
13N101W TO 11N104W TO 08N103W TO 08N102W TO 08N100W TO 11N99W
WINDS 20 TO 33 KT. SEAS DESCRIBED ABOVE. REMAINDER AREA WITHIN
11N96W TO 15N101W TO 11N106W TO 06N105W TO 05N99W TO 11N96W WINDS
20 KT OR LESS. SEAS 2.5 TO 4.0 M IN MIXED SWELL.
.12 HOUR FORECAST HURRICANE VANCE NEAR 10.3N 101.9W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT.
.24 HOUR FORECAST HURRICANE VANCE NEAR 10.9N 102.4W. MAXIMUM
SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL STORM FORCE WINDS
WITHIN 130 NM E SEMICIRCLE...70 NM SW QUADRANT AND 120 NM NW
QUADRANT. SEAS 4 M OR GREATER WITHIN 150 NM OF CENTER...EXCEPT
90 NM SW QUADRANT WITH SEAS TO 10.0 M. ELSEWHERE WITHIN 14N100W
TO 15N103W TO 13N106W TO 11N106W TO 08N103W TO 10N99W TO 14N100W
WINDS 20 TO 33 KT. SEAS DESCRIBED ABOVE. REMAINDER AREA WITHIN
12N97W TO 16N100W TO 16N106W TO 09N109W TO 05N105W TO 04N101W TO
12N97W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.0 M IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE VANCE NEAR 12.6N 103.1W. MAXIMUM
SUSTAINED WINDS 105 KT GUSTS 130 KT. TROPICAL STORM FORCE WINDS
WITHIN 160 NM NE QUADRANT...150 NM SE QUADRANT...90 NM SW
QUADRANT...AND 120 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN
180 NM E SEMICIRCLE...120 NM SW QUADRANT...AND 150 NM NW QUADRANT
WITH SEAS TO 11.0 M. ELSEWHERE WITHIN 17N99W TO 20N105W TO
14N113W TO 04N107W TO 04N101W TO 11N98W TO 17N99W WINDS 20 TO 33
KT. SEAS DESCRIBED ABOVE. REMAINDER AREA WITHIN 14N99W TO 16N104W
TO 12N107W TO 10N105W TO 10N101W TO 12N99W TO 14N99W 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 16N97W TO 15N98W TO 13N98W TO 12N95W TO 13N94W
TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... NE TO E WINDS
20 TO 30 KT. SEAS 2.5 TO 3.0 M IN NE SWELL.
06 HOUR FORECAST LITTLE CHANGE
EXCEPT WINDS TO GALE FORCE.
18 HOUR FORECAST LITTLE CHANGE
EXCEPT WINDS BELOW GALE FORCE.
.24 HOUR FORECAST LITTLE CHANGE.
30 HOUR FORECAST LITTLE CHANGE
EXCEPT WINDS TO GALE FORCE.
42 HOUR FORECAST LITTLE CHANGE
EXCEPT WINDS BELOW GALE FORCE.
.48 HOUR FORECAST LITTLE CHANGE.
.SYNOPSIS AND FORECAST.
.WITHIN 29N118W TO 29N140W TO 16N140W TO 20N124W TO 29N118W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N SWELL.
.24 HOUR FORECAST WITHIN 16N122W TO 20N140W TO 11N140W TO
10N131W TO 13N124W TO 16N122W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN N SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 2050 UTC THU OCT 22...
T.S. VANCE
NUMEROUS MODERATE SCATTERED STRONG FROM 04N TO 13N
BETWEEN 94W AND 105W.
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
MONSOON TROUGH FROM 10N85W TO 10N91W. IT RESUMES NEAR 07N105W TO
04N113W. ITCZ FROM 04N113W TO 07N140W. SCATTERED MODERATE
ISOLATED STRONG FROM 00N TO 00N BETWEEN 120W AND 140W.
.FORECASTER AL. NATIONAL HURRICANE CENTER.
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