000
FZPN03 KNHC 101519
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC THU MAY 10 2018

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 10.
24 HOUR FORECAST VALID 1200 UTC FRI MAY 11.
48 HOUR FORECAST VALID 1200 UTC SAT MAY 12.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW PRES 12N126 1008 MB. WITHIN 150 NM NW SEMICIRCLE OF LOW NE 
TO E WINDS 20 TO 25 KT. SEAS TO 9 FT. ELSEWHERE FROM 10N TO 17N 
W OF 126W WINDS 20 KT OR LESS. SEAS 8 FT PRIMARILY IN NW SWELL.
.24 HOUR FORECAST LOW PRES NEAR 13N127.5W 1008 MB. WITHIN 120 NM 
NW SEMICIRCLE N TO NE WINDS 20 TO 25 KT. SEAS TO 9 FT. ELSEWHERE 
FROM 12N TO 16N BETWEEN 125W AND 130W WINDS 20 KT OR LESS. SEAS 
8 FT PRIMARILY IN NW SWELL.
.48 HOUR FORECAST LOW PRES NEAR 13N129.5W 1009 MB. WITHIN 90 NM 
NW SEMICIRCLE WINDS 20 KT OR LESS. SEAS TO 8 FT PRIMARILY IN NW 
SWELL.

.N OF 28N BETWEEN 118W AND 124W N WINDS 20 TO 25 KT. SEAS TO 9 
FT. ELSEWHERE N OF 25N BETWEEN 117W AND 125W WINDS 20 KT OR 
LESS. SEAS 8 FT IN N SWELL.
.24 HOUR FORECAST N OF 27N BETWEEN 117W AND 125W WINDS 20 KT OR 
LESS. SEAS 8 TO 9 FT IN N SWELL.
.48 HOUR FORECAST N OF 27N BETWEEN 118W AND 131W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN N SWELL.

.30 HOUR FORECAST GULF OF CALIFORNIA N OF 30N E OF 114W S TO SW 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST GULF OF CALIFORNIA N OF 30N S TO SW WINDS 20 
TO 30 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST GULF OF CALIFORNIA N OF 30N S TO SW WINDS 20 
TO 25 KT. SEAS LESS THAN 8 FT.

.18 HOUR FORECAST S OF 02S BETWEEN 105W AND 120W WINDS 20 KT OR 
LESS. SEAS TO 8 FT IN SW SWELL.
.24 HOUR FORECAST S OF 01S BETWEEN 101W AND 120W WINDS 20 KT OR 
LESS. SEAS TO 8 FT IN SW SWELL.
.48 HOUR FORECAST S OF A LINE FROM 03.4S95W TO 03N108W TO 
03.4S115W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN SW SWELL. FROM 
04N TO 08N BETWEEN 105W AND 114W WINDS 20 KT OR LESS. SEAS 8 FT 
PRIMARILY IN SW SWELL. 

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

CONVECTION VALID AT 1500 UTC THU MAY 10... 

.SURFACE LOW 12N126W...CLUSTER OF MODERATE TO ISOLATED STRONG 
CONVECTION WITHIN 180 NM NE QUADRANT OF LOW.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... 

THE MONSOON TROUGH EXTENDS FROM 07N78W TO 09N90 TO 08N100W TO 
1008 MB LOW PRESSURE NEAR 12N126W TO 08N130W. THE ITCZ CONTINUES 
FROM 08N130W TO 08N140W. SCATTERED MODERATE ISOLATED STRONG 
CONVECTION CAN BE FOUND FROM 05N TO 12N BETWEEN 80W AND 90W... 
FROM 03N TO 08N BETWEEN 100W AND 108W...FROM 10N TO 13N BETWEEN 
113W AND 118W...AND WITHIN 90 NM S OF ITCZ AXIS W OF 133W.

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.