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High Seas Forecast (Tropical NE Pacific)



883 
FZPN03 KNHC 212204
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC FRI SEP 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC FRI SEP 21.
24 HOUR FORECAST VALID 1800 UTC SAT SEP 22.
48 HOUR FORECAST VALID 1800 UTC SUN SEP 23.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FROM 12N TO 18N W OF 135W WINDS 20 KT OR LESS. SEAS 8 FT 
PRIMARILY IN NE SWELL. 
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.30 HOUR FORECAST N OF 15N BETWEEN 94W AND 96W...INCLUDING GULF
OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.48 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

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

CONVECTION VALID AT 2100 UTC FRI SEP 21...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
A SEGMENT OF THE MONSOON TROUGH EXTENDS FROM 10N85W TO 12N110W 
TO 11N120W. ANOTHER SEGMENT REACHES FROM A 1010 MB LOW NEAR 
15N126W TO 11N140W. SCATTERED MODERATE CONVECTION FROM 12N TO 
15N BETWEEN 95W AND 100W. SCATTERED MODERATE CONVECTION WITHIN 
120 NM S OF MONSOON TROUGH AXIS BETWEEN 130W AND 138W.

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.