610
FZPN03 KNHC 301614
HSFEP2
HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC FRI MAY 30 2025
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC FRI MAY 30.
24 HOUR FORECAST VALID 1200 UTC SAT MAY 31.
48 HOUR FORECAST VALID 1200 UTC SUN JUN 1.
.WARNINGS.
..TROPICAL STORM WARNING
.TROPICAL STORM ALVIN NEAR 17.4N 108.8W 1001 MB AT 1500 UTC MAY
30 MOVING NW OR 325 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM NE
QUADRANT...60 NM SE QUADRANT...30 NM SW QUADRANT...AND 80 NM NW
QUADRANT. SEAS 4 M OR GREATER WITHIN 90 NM N SEMICIRCLE...AND 60
NM S SEMICIRCLE WITH SEAS TO 5.5 M. ELSEWHERE WITHIN 18N106W TO
19N108W TO 18N110W TO 15N109W TO 15N108W TO 17N106W TO 18N106W SE
WINDS 20 TO 33 KT. SEAS 3 TO 5 M. REMAINDER OF AREA WITHIN
18N105W TO 20N108W TO 19N110W TO 15N112W TO 13N110W TO 15N106W TO
18N105W...INCLUDING NEAR CABO CORRIENTES...WINDS 20 KT OR LESS.
SEAS 2 TO 4 M IN MIXED SWELL.
.24 HOUR FORECAST POST-TROPICAL REMNANT LOW ALVIN NEAR 20.3N
109.4W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS 4 M OR
GREATER 60 NM NE QUADRANT...0 NM SE QUADRANT...AND 0 NM W
SEMICIRCLE WITH SEAS TO 4 M. ELSEWHERE WITHIN 21N108W TO 21N109W
TO 20N109W TO 20N108W TO 21N108W SE TO S WINDS 20 TO 30 KT. SEAS
3 TO 4 M. REMAINDER OF AREA WITHIN 20N106W TO 22N107W TO 22N110W
TO 20N111W TO 15N111W TO 15N107W TO 20N106W...INCLUDING NEAR CABO
CORRIENTES...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED
SWELL.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW ALVIN NEAR 23.5N
109.5W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. SEAS LESS THAN
2.5 M.
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.
.WITHIN 05N113W TO 08N124W TO 00N132W TO 01S120W TO 03.4S120W TO
03.4S99W TO 05N113W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN S
TO SW SWELL.
.24 HOUR FORECAST WITHIN 14N108W TO 10N123W TO 03.4S120W TO
03.4S87W TO 14N108W...EXCEPT LEE OF GALAPAGOS ISLANDS...WINDS 20
KT OR LESS. SEAS 2.5 TO 3.0 M IN S TO SW SWELL.
.48 HOUR FORECAST WITHIN 09N92W TO 17N105W TO 17N114W TO 08N115W
TO 03N109W TO 00N99W TO 09N92W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN S TO SW SWELL.
.WITHIN 12N133W TO 14N134W TO 14N137W TO 13N140W TO 10N140W TO
10N133W TO 12N133W WINDS 20 KT OR LESS. SEAS 2.5 M IN E SWELL.
.24 HOUR FORECAST WITHIN 19N139W TO 21N140W TO 10N140W TO
11N139W TO 19N139W WINDS 20 KT OR LESS. SEAS 2.5 M IN N TO NE
SWELL.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.WITHIN 30N120W TO 30N124W TO 29N122W TO 28N120W TO 30N120W
WINDS 20 KT OR LESS. SEAS 2.5 M IN NW SWELL.
.06 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.27 HOUR FORECAST WITHIN 30N126W TO 30N130W TO 26N132W TO
26N128W TO 30N126W WINDS 20 KT OR LESS. SEAS 2.5 M IN NW SWELL.
.48 HOUR FORECAST WITHIN 30N125W TO 30N134W TO 26N140W TO
25N140W TO 26N130W TO 30N125W WINDS 20 KT OR LESS. SEAS 2.5 M IN
NE SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 1200 UTC FRI MAY 30...
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
TROPICAL STORM ALVIN...SCATTERED MODERATE TO LOCALLY STRONG FROM
17N TO 21N BETWEEN 106W TO 110W. MONSOON TROUGH AXIS FROM 09N79W
TO 12N103W...AND FROM 09N112W TO 08N126W. ITCZ FROM 08N126W TO
BEYOND 07N140W. SCATTERED MODERATE TO STRONG FROM 04N TO 08N EAST
OF 82W. SCATTERED MODERATE FROM 05N TO 16N BETWEEN 82W AND 105W.
.FORECASTER ADAMS. NATIONAL HURRICANE CENTER.
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