High Seas Forecast
Issued by NWS

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170
FZPN03 KNHC 221548 CCA
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC WED NOV 22 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 NOV 22.
24 HOUR FORECAST VALID 1200 UTC THU NOV 23.
48 HOUR FORECAST VALID 1200 UTC FRI NOV 24.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

...GALE WARNING...
.09 HOUR FORECAST GULF OF TEHUANTEPEC N WINDS INCREASING 20 TO
25 KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST N OF 14.5N BETWEEN 94W AND 95.5W...INCLUDING
THE GULF OF TEHUANTEPEC...N WINDS 30 TO 40 KT. SEAS TO 9 FT.
ELSEWHERE WITHIN 45 NM OF LINE FROM 16N95W TO 14.5N95W N WINDS
20 TO 30 KT. SEAS TO 8 FT.
.24 HOUR FORECAST WITHIN 45 NM OF LINE FROM 16N95W TO
13N95.5W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 30 TO 45
KT. SEAS 8 TO 17 FT. ELSEWHERE WITHIN 90 NM OF LINE FROM 16N95W
TO 11.5N95.W N WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO
14N95.5W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 30 TO 35
KT. SEAS 8 TO 13 FT. ELSEWHERE WITHIN 75 NM OF LINE FROM 16N95W
TO 13.5N95.5W TO 12N96.5W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO
12FT. REMAINDER OF AREA FROM 07.5N TO 14N BETWEEN 93.5W AND 102W
WINDS 20 KT OR LESS. SEAS TO 10 FT IN MIXED NE AND SW SWELL.

.SYNOPSIS AND FORECAST.

.COLD FRONT NW OF AREA. W OF LINE FROM 30N132W TO 26N135W TO
15N137W TO 11N140W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW
SWELL.
.24 HOUR FORECAST STALLING COLD FRONT FROM 30N137W TO 28N140W. W
OF LINE FROM 30N129W TO 21.5N140W WINDS 20 KT OR LESS. SEAS 8 TO
14 FT IN NW SWELL...HIGHEST NW.
.48 HOUR FORECAST FRONT TO RETREAT JUST NW OF AREA. W OF LINE
FROM 30N122W TO 14N140W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT
NW SWELL...HIGHEST NEAR 24N138W.

.48 HOUR FORECAST WITHIN 30 NM OF LINE FROM 11N85.5W TO
10N87.5W...INCLUDING GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT.
SEAS LESS THAN 8 FT.

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

CONVECTION VALID AT 1515 UTC WED NOV 22...

.SCATTERED MODERATE ISOLATED STRONG WITHIN 150 NM OF MEXICAN
COAST BETWEEN 98W AND 102.5W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM LOW PRES NEAR 11N76.5W 1010 MB TO 08N83.5W
TO 08.5N97W. ITCZ FROM 08.5N97W TO 07N116W TO 09N130W TO
11N140W. SCATTERED MODERATE E OF LINE FROM 02.5N78.5W TO 10N87W.
SCATTERED MODERATE TO STRONG WITHIN 60 NM OF LINE FROM 08N130W
TO 17.5N136W.

$$

.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.



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