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NOAA NOAA United States Department of Commerce

High Seas Forecast (Tropical NE Pacific)



000
FZPN03 KNHC 191441
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC WED DEC 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 WED DEC 19.
24 HOUR FORECAST VALID 1200 UTC THU DEC 20.
48 HOUR FORECAST VALID 1200 UTC FRI DEC 21.

.WARNINGS.

...GALE WARNING...
.36 HOUR FORECAST WITHIN 15 NM EITHER SIDE OF LINE FROM 16N95W 
TO 15N95W...INCLUDING GULF OF TEHUANTEPEC...N WINDS 30 TO 35 KT. 
SEAS LESS THAN 8 FT. ELSEWHERE N OF 14N BETWEEN 95W AND 96W N 
WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 45 NM EITHER SIDE OF LINE FROM 16N95W 
TO 14N95.5W TO 13N97W...INCLUDING GULF OF TEHUANTEPEC...N TO NE 
WINDS 30 TO 45 KT. SEAS 11 TO 17 FT. ELSEWHERE WITHIN 90 NM 
EITHER SIDE OF LINE FROM 16N95W TO 14N95W TO 11.5N98W N TO NE 
WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.

.SYNOPSIS AND FORECAST.

.GULF OF CALIFORNIA S OF 27N NW WINDS 20 TO 25 KT. SEAS BUILDING 
TO 8 FT.
.24 HOUR FORECAST GULF OF CALIFORNIA FROM 25N TO 28N NW WINDS 20 
TO 25 KT. SEAS TO 8 FT.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.NW OF LINE FROM 30N133W TO 24N140W WINDS 20 KT OR LESS. SEAS 12 
TO 16 FT IN NW SWELL. ELSEWHERE FOR OPEN WATERS W OF 103W WINDS 
20 KT OR LESS. SEAS 8 TO 14 FT IN NW SWELL...HIGHEST NEAR 
15N118W.
.24 HOUR FORECAST OPEN WATERS W OF 95W WINDS 20 KT OR LESS. SEAS
8 TO 13 FT IN NW SWELL...HIGHEST N OF 27N BETWEEN 120W AND 126W.
.48 HOUR FORECAST FROM 11N TO 14N W OF 135W NE WINDS 20 TO 25 KT.
SEAS TO 12 FT. ELSEWHERE W OF LINE FROM 30N116W TO 08N93W TO 
03.4S91W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW SWELL. 

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

CONVECTION VALID AT 1500 UTC WED DEC 19...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
ITCZ FROM 05N98W TO 05N115W TO 08N136W TO 08N140W. SCATTERED 
MODERATE ISOLATED STRONG FROM 02N TO 06N E OF 80W. SCATTERED 
MODERATE FROM 03N TO 06N BETWEEN 85W AND 92W. SCATTERED MODERATE 
FROM 04N TO 07N BETWEEN 101W AND 105W. SCATTERED MODERATE 
ISOLATED STRONG WITHIN 60 NM OF THE ITCZ W OF 132W.

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.