818
FZPN03 KNHC 211537
HSFEP2
HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC THU MAY 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC THU MAY 21.
24 HOUR FORECAST VALID 1200 UTC FRI MAY 22.
48 HOUR FORECAST VALID 1200 UTC SAT MAY 23.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.WITHIN 11N86W TO 11N87W TO 10N89W TO 10N87W TO 11N86W NE TO E
WINDS 20 TO 25 KT. SEAS TO 2.5 M.
.06 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.WITHIN 30N124W TO 28N132W TO 23N136W TO 30N140W TO 06N140W TO
12N121W TO 30N124W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N
TO NE SWELL.
.24 HOUR FORECAST WITHIN 11N137W TO 11N139W TO 11N140W TO
10N140W TO 10N138W TO 10N137W TO 11N137W WINDS 20 KT OR LESS.
SEAS 2.5 M IN N TO NE SWELL.
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.18 HOUR FORECAST WITHIN 03S119W TO 03S119.5W TO 03S120W TO
03.4S120W TO 03.4S118.5W TO 03S119W WINDS 20 KT OR LESS. SEAS
2.5 M IN S TO SW SWELL.
.24 HOUR FORECAST WITHIN 03S115W TO 02S117W TO 02S120W TO
03.4S120W TO 03S115W TO 03S115W WINDS 20 KT OR LESS. SEAS 2.5 M
IN S TO SW SWELL.
.48 HOUR FORECAST WITHIN 02S104W TO 01S110W TO 02S116W TO
02S120W TO 03.4S120W TO 03.4S104W TO 02S104W WINDS 20 KT OR LESS.
SEAS 2.5 M IN S TO SW SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 1500 UTC THU MAY 21...
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
MONSOON TROUGH FROM 10N74.5W TO 10N84W TO 08.5N114W TO 05.5N123W
TO 06N126W. ITCZ FROM 06N126W TO 08N133W TO BEYOND 06N140W.
SCATTERED MODERATE TO STRONG CONVECTION FROM 02N TO 10N E OF 97W
AND FROM 02.5N TO 14N BETWEEN 97W AND 115W. SCATTERED MODERATE
CONVECTION FROM 04N TO 11N W OF 115W.
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.
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