632 
FZPN03 KNHC 150253
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC MON MAY 15 2023

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC MON MAY 15.
24 HOUR FORECAST VALID 0000 UTC TUE MAY 16.
48 HOUR FORECAST VALID 0000 UTC WED MAY 17.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 30N139W TO 26N140W. WITHIN 30N138W TO 30N139W 
TO 28N139W TO 29N138W TO 30N138W S TO SW WINDS 20 TO 25 KT. SEAS
9 TO 10 FT. ELSEWHERE WITHIN 30N135W TO 30N138W TO 28N138W TO 
30N140W TO 23N140W TO 24N139W TO 30N135W WINDS 20 KT OR LESS. 
SEAS 8 TO 10 FT IN NW SWELL.
.24 HOUR FORECAST COLD FRONT WEAKENING FROM 30N135W TO 25N140W. 
WITHIN 30N133W TO 30N140W TO 25N140W TO 27N134W TO 30N133W WINDS
20 KT OR LESS. SEAS 8 FT IN NW SWELL.
.36 HOUR FORECAST DISSIPATING STATIONARY FRONT FROM 30N135W TO
24.5N140W. CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS
THAN 8 FT.

.WITHIN 30N126W TO 30N134W TO 27N130W TO 27N128W TO 30N126W
WINDS 20 KT OR LESS. SEAS 8 FT IN NW SWELL.
.24 HOUR FORECAST WITHIN 29N123W TO 30N125W TO 29N129W TO 
26N128W TO 25N124W TO 26N122W TO 29N123W WINDS 20 KT OR LESS. 
SEAS 8 FT IN NW SWELL.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.WITHIN 10N134W TO 14N136W TO 13N140W TO 07N140W TO 03N128W TO
05N127W TO 10N134W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED SE TO
S AND NW SWELL.
.24 HOUR FORECAST CONDITIONS MERGED WITH NEXT FEATURE.

.WITHIN 05N115W TO 02N120W TO 00N132W TO 01S120W TO 03.4S120W TO
03.4S93W TO 05N115W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN S TO
SW SWELL.
.24 HOUR FORECAST WITHIN 09N106W TO 11N121W TO 19N140W TO 
01N137W TO 03.4S120W TO 03.4S85W TO 09N106W...EXCEPT LEE OF 
GALAPAGOS ISLANDS...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN S TO
SW SWELL.
.48 HOUR FORECAST WITHIN 18N110W TO 26N118W TO 17N140W TO 
00N140W TO 05N129W TO 11N96W TO 18N110W WINDS 20 KT OR LESS.
SEAS 8 TO 9 FT IN MIXED S TO SW AND NW SWELL. WITHIN 02N96W TO 
00N123W TO 02S120W TO 03S84W TO 02N96W...EXCEPT LEE OF GALAPAGOS 
ISLANDS...WINDS 20 KT OR LESS. SEAS 8 FT IN S TO SW SWELL.

.06 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W TO
15N95W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 
20 TO 30 KT. SEAS LESS THAN 8 FT.
.21 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST WITHIN 16N95W TO 16N96W TO 15N96W TO 15N95W TO
16N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO
25 KT. SEAS LESS THAN 8 FT.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.06 HOUR FORECAST WITHIN 06N82W TO 07N84W TO 06N85W TO 04N85W TO
04N83W TO 05N82W TO 06N82W S SW WINDS 20 TO 25 KT. SEAS LESS 
THAN 8 FT.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.09 HOUR FORECAST WITHIN 11N86W TO 12N88W TO 11N88W TO 11N86W...
INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS
LESS THAN 8 FT.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

CONVECTION VALID AT 0040 UTC MON MAY 15...

.COLD FRONT FROM 30N139W TO 26N140W...SCATTERED MODERATE N OF 28N
WITHIN 45 NM E OF FRONT.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM COLOMBIA NEAR 09N75W TO 06N95W TO 06N112W. 
ITCZ FROM 06N112W TO 03N133W TO BEYOND 03N140W. NUMEROUS 
MODERATE SCATTERED STRONG FROM 01N TO 08N BETWEEN 77W AND 96W. 
SCATTERED MODERATE FROM 01N TO 05N BETWEEN 98W AND 111W...AND 
FROM 01N TO 07N BETWEEN 122W AND 140W.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.