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National Weather Service Marine Forecast FZPN40 PHFO

FZPN40 PHFO 270313
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC TUE SEP 27 2016

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

THIS HIGH SEAS FORECAST USES 1-MINUTE AVERAGE WINDS WHICH MAY BE
HIGHER THAN 10-MINUTE AVERAGE WINDS.

SECURITE

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 0000 UTC SEP 27 2016.
24 HOUR FORECAST VALID 0000 UTC SEP 28 2016.
48 HOUR FORECAST VALID 0000 UTC SEP 29 2016.

.WARNINGS.

TROPICAL STORM WARNING

.TROPICAL DEPRESSION NINETEEN-E 11.6N 140.3W 1005 MB MB MOVING N
04 KT. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WINDS 20 TO 30 KT
AND SEAS 8 TO 10 FT WITHIN 150 NM NE SEMICIRCLE AND 90 NM SW
SEMICIRCLE. ISOLATED MODERATE TO LOCALLY STRONG TSTMS WITHIN 150 NM
OF CENTER.
.24 HOUR FORECAST TROPICAL STORM NINETEEN-E JUST E OF AREA 13.0N
139.7W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. WINDS 20 TO 33 KT
AND SEAS 8 FT WITHIN 90 NM W SEMICIRCLE IN FORECAST AREA. WINDS AND
SEAS EAST OF 140W REFER TO TAFB HIGH SEAS FORECAST.
.48 HOUR FORECAST TROPICAL STORM NINETEEN-E JUST E OF AREA 14.8N
139.0W MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. WINDS 20 TO 30 KT
AND SEAS 8 FT OR HIGHER 90 NM W SEMICIRCLE IN FORECAST AREA. WINDS
AND SEAS EAST OF 140W REFER TO TAFB HIGH SEAS FORECAST.
.72 HOUR FORECAST TROPICAL STORM NINETEEN-E JUST E OF AREA 16.1N
139.8W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST TROPICAL NINETEEN-E 16.9N 141.9W. MAXIMUM
SUSTAINED WINDS 25 KT GUSTS 35 KT.

120 HOUR FORECAST
POST TROPICAL REMNANT LOW NINETEEN-E 17.0N
145.4W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

.SYNOPSIS AND FORECAST.

.WEAKENING STATIONARY FRONT FROM 30N155W TO 26N159W TO 30N168W.
NE WINDS 20 TO 25 KT AND SEAS 8 TO 9 FT N OF FRONT.
.24 HOUR FORECAST TROUGH FROM 30N158W TO 26N165W. WINDS 20 TO
25 KT AND SEAS 8 TO 9 FT N OF TROUGH.
.48 HOUR FORECAST TROUGH DISSIPATED. WINDS DIMINISHED TO 20 KT
OR LESS. SEAS DECREASED TO 8 FT OR LESS.

.E WINDS 20 TO 25 KT AND SEAS 8 TO 9 FT FROM 18N TO 25N W OF 169E.
.24 HOUR FORECAST E WINDS 20 TO 25 KT AND SEAS 8 TO 9 FT FROM 20N
TO 24N W OF 165E.
.48 HOUR FORECAST WINDS DIMINISHED TO 20 KT OR LESS. SEAS DECREASED
TO 8 FT OR LESS.

.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.

.SEAS 8 FT OR LOWER OVER REMAINDER OF FORECAST AREA.

.MONSOON TROUGH FROM T.D. NINETEEN-E TO 12N146W TO 10N153W.
ISOLATED MODERATE TO LOCALLY STRONG TSTMS WITHIN 240 NM N AND 150
NM S OF MONSOON TROUGH.

.ITCZ FROM 10N153W TO 08N162W TO 09N175W TO 06N174E TO 12N160E.
ISOLATED MODERATE TSTMS WITHIN 150 NM OF ITCZ E OF 177W.
ISOLATED MODERATE TO STRONG TSTMS WITHIN 360 NM OF ITCZ W OF
177W.



.FORECASTER BRENCHLEY. HONOLULU HI.