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National Weather Service Marine Forecast FZPN40 PHFO

FZPN40 PHFO 310313
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC WED AUG 31 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

PAN PAN

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

SYNOPSIS VALID 0000 UTC AUG 31 2016.
24 HOUR FORECAST VALID 0000 UTC SEP 01 2016.
48 HOUR FORECAST VALID 0000 UTC SEP 02 2016.

.WARNINGS.

HURRICANE WARNING

.HURRICANE MADELINE NEAR 19.3N 149.8W 972 MB MOVING W 09 KT.
MAXIMUM SUSTAINED WINDS 95 KT GUSTS 115 KT. WINDS 34 KT OR
GREATER WITHIN 110 NM N...60 NM S SEMICIRCLE. SEAS 12 FT OR
HIGHER WITHIN 240 NM NE...100 NM SE...90 NM SW...200 NM NW
QUADRANTS. WINDS 20 TO 33 KT AND SEAS 8 TO 12 FT ELSEWHERE WITHIN
280 NM N...150 NM S SEMICIRCLE. NUMEROUS MODERATE TO STRONG TSTMS
WITHIN 90 NM OF CENTER.
.24 HOUR FORECAST HURRICANE MADELINE 18.7N 153.8W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT. WINDS 34 KT OR GREATER WITHIN
90 NM N...35 NM S SEMICIRCLE. SEAS 12 FT OR HIGHER WITHIN 210 NM
N...130 NM SEMICIRCLE. WINDS 20 TO 33 KT AND SEAS 8 TO 12 FT
ELSEWHERE WITHIN 260 NM N...140 NM S SEMICIRCLE.
.48 HOUR FORECAST HURRICANE MADELINE 18.1N 157.8W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT. WINDS 34 KT OR GREATER WITHIN
80 NM N...25 NM S SEMICIRCLE. SEAS 12 FT OR HIGHER WITHIN 180 NM
N...90 NM S SEMICIRCLE. WINDS 20 TO 33 KT AND SEAS 8 TO 12 FT
ELSEWHERE WITHIN 240 NM N SEMICIRCLE AND 120 NM S SEMICIRCLE.
.72 HOUR FORECAST TROPICAL STORM MADELINE 18.2N 162.7W. MAXIMUM
SUSTAINED WINDS 60 KT GUSTS 75 KT.

EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.

.96 HOUR FORECAST TROPICAL STORM MADELINE 18.7N 168.2W. MAXIMUM
SUSTAINED WINDS 55 KT GUSTS 65 KT.
.120 HOUR FORECAST TROPICAL STORM MADELINE 19.0N 173.2W. MAXIMUM
SUSTAINED WINDS 55 KT GUSTS 65 KT.

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

HURRICANE WARNING

.24 HOUR FORECAST HURRICANE LESTER NEAR 17.9N 140.3W. MAXIMUM
SUSTAINED WINDS 105 KT GUSTS 130 KT. WINDS 34 KT OR GREATER
WITHIN 100 NM N...75 NM S SEMICIRCLE. SEAS 12 FT OR HIGHER WITHIN
240 NM NE...150 NM SE...90 NM SW 200 NM NW QUADRANTS. WINDS 20 TO
33 KT AND SEAS 8 TO 12 FT ELSEWHERE WITHIN 280 NM N...180 NM S
SEMICIRCLE.
.48 HOUR FORECAST HURRICANE LESTER NEAR 18.7N 144.7W. MAXIMUM
SUSTAINED WINDS 100 KT GUSTS 120 KT. WINDS 34 KT OR GREATER WITHIN
120 NM N...90 NM SEMICIRCLE. SEAS 12 FT OR HIGHER WITHIN 260 NM
N...180 NM S SEMICIRCLE. WINDS 20 TO 33 KT AND SEAS 8 TO 12 FT
ELSEWHERE WITHIN 300 NM N...200 NM S SEMICIRCLE.

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.

.LOW 15N164W 1011 MB MOVING W 10 KT. SCATTERED STRONG TSTMS
WITHIN 150 NM NE QUADRANT OF LOW.
.24 HOUR FORECAST LOW 16N167W 1011 MB.
.48 HOUR FORECAST LOW 14N172W 1011 MB.

.LOW 30N176E 1005 MB MOVING NE 30 KT. FRONT FROM LOW TO 26N174E
TO 26N167E. FRONT MOVING E 10 KT. WINDS 20 TO 30 KT WITHIN 180 NM
S OF LOW. ISOLATED MODERATE TSTMS WITHIN 180 NM S QUADRANT OF LOW.
.24 HOUR FORECAST LOW MOVED N OF FORECAST AREA. FRONT 30N176W TO
27N178E TO 26N168E. S TO SW WINDS 20 TO 30 KT N OF 28N BETWEEN
170W AND 175W.
.48 HOUR FORECAST WEAKENING FRONT 30N178W TO 28N170E TO 29N164E.
WINDS DIMINISHED TO 20 KT OR LESS.

.LOW 29N160E 1006 MB MOVING W SLOWLY.
.24 HOUR FORECAST LOW MOVED W OF FORECAST AREA.

.TROUGH 16N160E TO 21N166E MOVING W SLOWLY. WIDELY SCATTERED
MODERATE TSTMS FROM 09N TO 22N W OF 165E.
.24 HOUR FORECAST TROUGH MOVED W OF FORECAST AREA.

.RIDGE 30N162W TO 16N175E NEARLY STATIONARY.

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

.THE FOLLOWING ARE SEAS NOT ASSOCIATED WITH HURRICANES MADELINE
OR LESTER.

.SEAS 8 TO 11 FT FT N OF 25N W OF 179E.
.24 HOUR FORECAST SEAS 8 TO 11 FT N OF 27N BETWEEN 173W AND 179W.
.48 HOUR FORECAST SEAS 8 TO 10 FT N OF 28N BETWEEN 165W AND 171W.

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

ISOLATED MODERATE TO STRONG TSTMS FROM 07N TO 13N E OF 170W
AND
S OF 11N BETWEEN 165E AND 180E.



.HONOLULU HI.