High Seas Forecast
Issued by NWS

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000
FZPN03 KNHC 231603
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC FRI FEB 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FRI FEB 23.
24 HOUR FORECAST VALID 1200 UTC SAT FEB 24.
48 HOUR FORECAST VALID 1200 UTC SUN FEB 25.

.WARNINGS.

...ASHFALL ADVISORY...
FUEGO VOLCANO AT POSITION 14.3N 90.9W IS CURRENTLY ERUPTING.
PLUME OF VOLCANIC ASH MAY REACH TO THE SURFACE THROUGH TONIGHT N
OF 14N E OF 93W. LOW LEVEL VISIBILITY MAY BE REDUCED TO 1 NM OR
LESS. MARINERS SHOULD EXERCISE CAUTION. IF MARINERS ENCOUNTER
VOLCANIC ASH...THEY ARE ENCOURAGED TO REPORT THE OBSERVATION TO
THE NATIONAL WEATHER SERVICE BY CALLING 305-229-4425.

.SYNOPSIS AND FORECAST.

.GULF OF TEHUANTEPEC N OF 14.5N BETWEEN 94.5W AND 95.5W N WINDS
20 TO 25 KT. SEAS TO 8 FT.
.06 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.GULF OF PAPAGAYO WITHIN AREA BOUNDED BY 12N86W TO 10N86W TO
09N89W TO 09N90W TO 11N91W TO 11N90W TO 12N86W NE TO E WINDS 20
TO 30 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.WITHIN AREA BOUNDED BY 15N128W TO 13N128W TO 11N140W TO 21N140W
TO 15N128W NE TO E WINDS 20 TO 25 KT. SEAS 9 TO 12 FT IN MIXED NE
AND NW SWELL. ELSEWHERE WITHIN AREA BOUNDED BY 16N111W TO
06N114W TO 06N140W TO 11N140W TO 14N128W TO 27N140W TO 16N111W
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N SWELL.
.24 HOUR FORECAST WITHIN AREA BOUNDED BY 18N124W TO 14N117W TO
10N140W TO 20N140W TO 18N124W NE TO E WINDS 20 TO 25 KT. SEAS 9
TO 12 FT IN MIXED NE AND NW SWELL. ELSEWHERE WITHIN AREA
BOUNDED BY 27N128W TO 13N111W TO 10N124W TO 02N134W TO 02N140W TO
27N140W TO 27N128W WINDS 20 KT OR LESS. SEAS 9 TO 10 FT IN MIXED
NE AND NW SWELL.
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 21N140W TO 14N132W TO
13N132W TO 13N140W TO 21N140W NE TO E WINDS 20 TO 25 KT. SEAS 9
TO 11 FT IN MIXED NE AND NW SWELL. ELSEWHERE WITHIN AREA
BOUNDED BY 29N129W TO 13N114W TO 09N120W TO 06N140W TO 16N135W TO
29N139W TO 29N129W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED
NE AND NW SWELL.

.06 HOUR FORECAST WITHIN AREA BOUNDED BY 30N118W TO 29N119W TO
28N124W TO 28N126W TO 30N126W TO 30N118W WINDS 20 KT OR LESS.
SEAS 8 TO 9 FT IN NW SWELL.
.12 HOUR FORECAST N OF 28N WITHIN 60 NM W OF BAJA CALIFORNIA...
INCLUDING SEBASTIAN VIZCAINO BAY...NW TO N WINDS 20 TO 25 KT.
SEAS 8 TO 9 FT. ELSEWHERE WITHIN AREA BOUNDED BY 30N117W TO
28N117W TO 28N122W TO 30N127W TO 30N117W WINDS 20 KT OR LESS.
SEAS 8 TO 10 FT IN NW SWELL.
.24 HOUR FORECAST FROM 24N TO 27N WITHIN 180 NM W OF BAJA
CALIFORNIA...NW TO N WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. ELSEWHERE
WITHIN AREA BOUNDED BY 30N116W TO 23N115W TO 26N124W TO 30N132W
TO 30N116W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW SWELL.
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 30N128W TO 30N117W TO
27N120W TO 23N114W TO 23N123W TO 30N128W WINDS 20 KT OR LESS.
SEAS 8 TO 10 FT IN MIXED SW AND NW SWELL.

.18 HOUR FORECAST GULF OF CALIFORNIA N OF 30N NW TO N WINDS 20 TO
25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST GULF OF CALIFORNIA N OF 25.5N W OF 110.5W NW TO
N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST GULF OF CALIFORNIA FROM 23N TO 29N NW TO N
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 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 1500 UTC FRI FEB 23...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH AXIS EXTENDS FROM 10N84W TO 04N92W TO 01N104W.
ITCZ AXIS EXTENDS FROM 01N104W TO 06N120W TO 07N140W. SCATTERED
MODERATE ISOLATED STRONG CONVECTION WITHIN AREA BOUNDED BY
06N117W TO 04N116W TO 03N119W TO 04N129W TO 06N129W TO 07N124W
TO 06N117W AND ALSO WITHIN AREA BOUNDED BY 14N118W TO 10N124W TO
08N131W TO 10N137W TO 13N133W TO 17N116W TO 14N118W.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.



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