185
FZPN03 KNHC 311600
HSFEP2
HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC SAT MAY 31 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SAT MAY 31.
24 HOUR FORECAST VALID 1200 UTC SUN JUN 1.
48 HOUR FORECAST VALID 1200 UTC MON JUN 2.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.POST-TROPICAL CYCLONE ALVIN NEAR 20.7N 109.5W 1006 MB AT 1500
UTC MAY 31 MOVING N OR 360 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS
30 KT GUSTS 40 KT. WITHIN 21N108W TO 22N109W TO 21N110W TO
20N110W TO 19N109W TO 20N108W TO 21N108W SE TO S WINDS 20 TO 30
KT. SEAS 3.0 TO 4.0 M. ELSEWHERE WITHIN 20N106W TO 23N108W TO
22N111W TO 20N112W TO 17N110W TO 17N108W TO 20N106W...INCLUDING
NEAR CABO CORRIENTES...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN
MIXED SWELL.
.12 HOUR FORECAST POST-TROPICAL REMNANT LOW ALVIN NEAR 21.8N
109.7W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
24 HOUR FORECAST
DISSIPATED. CONDITIONS IMPROVE. WINDS 20 KT
OR LESS. SEAS LESS THAN 2.5 M.
.WITHIN 16N106W TO 11N127W TO 00N126W TO 03.4S120W TO 03.4S87W
TO 16N106W...EXCEPT LEE OF GALAPAGOS ISLANDS...WINDS 20 KT OR
LESS. SEAS 2.5 TO 3.5 M IN S TO SW SWELL.
.24 HOUR FORECAST WITHIN 15N98W TO 20N113W TO 08N116W TO 02S105W
TO 04N92W TO 15N98W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S
TO SW SWELL.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.WITHIN 30N125W TO 30N132W TO 26N132W TO 26N128W TO 27N126W TO
30N125W WINDS 20 KT OR LESS. SEAS 2.5 M IN NW SWELL.
.24 HOUR FORECAST WITHIN 30N126W TO 30N134W TO 28N137W TO
26N137W TO 26N133W TO 27N129W TO 30N126W WINDS 20 KT OR LESS.
SEAS 2.5 M IN MIXED NE AND NW SWELL.
.48 HOUR FORECAST WITHIN 30N120W TO 30N140W TO 23N140W TO
26N125W TO 30N120W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE
SWELL.
.WITHIN 23N136W TO 24N140W TO 22N140W TO 09N140W TO 11N136W TO
15N137W TO 23N136W WINDS 20 KT OR LESS. SEAS 2.5 M IN MIXED NW
AND S SWELL.
.15 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 1200 UTC SAT MAY 31...
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
MONSOON TROUGH AXIS FROM 09N79W TO 08N84W TO 13N102W TO 06N128W.
ITCZ FROM 06N128W TO BEYOND 07N140W. NUMEROUS STRONG FROM 03N TO
10N EAST OF 90W. SCATTERED MODERATE FROM 04N TO 08N BETWEEN 95W
AND 100W.
.FORECASTER ADAMS. NATIONAL HURRICANE CENTER.
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