Offshore Forecast
Issued by NWS Honolulu, HI

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FZHW60 PHFO 290930
OFFHFO

OFFSHORE WATERS FORECAST FOR HAWAII
NATIONAL WEATHER SERVICE HONOLULU HI
1200 AM HST SAT APR 29 2017

HAWAIIAN OFFSHORE WATERS BEYOND 40 NAUTICAL MILES OUT TO 240
NAUTICAL MILES INCLUDING THE PORTION OF THE PAPAHANAUMOKUAKEA
MARINE NATIONAL MONUMENT EAST OF FRENCH FRIGATE SHOALS

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.

PHZ105-291600-
1200 AM HST SAT APR 29 2017

.SYNOPSIS FOR THE HAWAIIAN OFFSHORE WATERS...
A FRONT IN THE WESTERN OFFSHORE WATERS WILL CONTINUE TO MOVE
SOUTHEAST...BEFORE STALLING OVER THE CENTRAL WATERS SATURDAY. AN
UPPER LEVEL LOW AND ASSOCIATED SURFACE FEATURE WILL MOVE SOUTH OVER
THE NORTHERN OFFSHORE WATERS LATE SATURDAY...AND CONTINUE TO BRING
UNSETTLED WEATHER THROUGH EARLY NEXT WEEK.

$$

PHZ180-291600-
HAWAIIAN OFFSHORE WATERS
1200 AM HST SAT APR 29 2017

.REST OF TONIGHT...FRONT OVER CENTRAL WATERS NEARLY STATIONARY. NW
HALF...N WINDS 20 TO 25 KT. SE HALF...SE TO S WINDS 10 TO 15 KT.
SEAS 6 TO 9 FT...HIGHEST NW HALF. SLIGHT CHANCE OF THUNDERSTORMS.
.SATURDAY...FRONT OVER CENTRAL WATERS. NW HALF...NW TO N WINDS 15 TO
20 KT...EXCEPT 15 KT OR LESS N OF 24N. SE HALF...SE TO S WINDS 10 TO
15 KT. SEAS 5 TO 8 FT...HIGHEST NW HALF. SLIGHT CHANCE OF
THUNDERSTORMS.
.SATURDAY NIGHT...LOW FORECAST OVER FAR NW WATERS AND FRONT OVER
CENTRAL WATERS. NEAR LOW...COUNTERCLOCKWISE WINDS 15 TO 25 KT.
ELSEWHERE OVER NW HALF...NW TO N WINDS 15 KT OR LESS. SE HALF...SE
TO S WINDS 10 TO 20 KT. SEAS 5 TO 10 FT...HIGHEST NEAR LOW. SLIGHT
CHANCE OF THUNDERSTORMS.
.SUNDAY...WEAK LOW FORECAST OVER FAR W WATERS AND FRONT WEAKENED TO
TROUGH ALONG 159W. W OF 159W...MAINLY E TO SE WINDS 10 TO 20 KT. E
OF 159W...SE TO S WINDS 15 TO 30 KT...STRONGEST N OF 22N. SEAS 6 TO
10 FT...HIGHEST N AND W. SLIGHT CHANCE OF THUNDERSTORMS.
.SUNDAY NIGHT AND MONDAY...TROUGH WITH AXIS ALONG 158W. W OF
158W...E TO SE WINDS 15 KT OR LESS. E OF 158W...SE TO S WINDS 15 TO
25 KT. SEAS 5 TO 8 FT. SLIGHT CHANCE OF THUNDERSTORMS.
.TUESDAY....WEAKENING TROUGH WITH AXIS FROM 26N157W TO 18N160W. W OF
AXIS...NE TO E WINDS 15 KT OR LESS. E OF AXIS...SE TO S WINDS 10 TO
15 KT...EXCEPT E TO SE WINDS 10 TO 15 KT S OF 20N. SEAS 4 TO 6 FT.
SLIGHT CHANCE OF THUNDERSTORMS.
.WEDNESDAY...WEAK FRONT FORECAST FROM 24N154W TO 23N164W. N OF
FRONT...NE WINDS 15 TO 25 KT. S OF 20N...E WINDS 10 TO 15 KT.
ELSEWHERE...VARIABLE WINDS 10 KT OR LESS. SEAS 5 TO 9 FT...HIGHEST N
OF FRONT.

$$



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