Offshore Forecast
Issued by NWS Honolulu, HI

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630
FZHW60 PHFO 292121
OFFHFO

OFFSHORE WATERS FORECAST FOR HAWAII
NATIONAL WEATHER SERVICE HONOLULU HI
1200 PM HST WED MAR 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.

PHZ105-300400-
1200 PM HST WED MAR 29 2017

.SYNOPSIS FOR THE HAWAIIAN OFFSHORE WATERS...
A RIDGE OF HIGH PRESSURE OVER THE N WATERS WILL WEAKEN AS A COLD
FRONT APPROACHES AND STALLS NEAR THE NW WATERS THURSDAY THROUGH
FRIDAY. HIGH PRESSURE WILL BUILD N OF THE AREA OVER THE WEEKEND
BEHIND THIS FRONT.

$$

PHZ180-300400-
HAWAIIAN OFFSHORE WATERS
1200 PM HST WED MAR 29 2017

.THIS AFTERNOON...NW HALF...WINDS SE 5 TO 15 KT. SE HALF...E TO SE
WINDS 15 TO 20 KT. SEAS 7 TO 10 FT.
.TONIGHT...NW HALF...WINDS SE 5 TO 15 KT. SE HALF...E TO SE WINDS 15
TO 20 KT. SEAS 7 TO 11 FT.
.THURSDAY AND THURSDAY NIGHT...FRONT APPROACHING NW WATERS. E TO SE
WINDS 10 TO 20 KT...EXCEPT 5 TO 10 KT FAR NW WATERS. SEAS 9 TO 12
FT...BUILDING TO AROUND 15 FT LATE.
.FRIDAY...WEAKENING FRONT NEAR NW WATERS. NW HALF...E TO SE WINDS 5
TO 10 KT. SEAS 11 TO 14 FT. SE HALF...E WINDS 15 TO 20 KT. SEAS 9 TO
11 FT...BUILDING TO 11 TO 14 FT LATE.
.SATURDAY AND SUNDAY...E WINDS 15 TO 25 KT. SEAS 9 TO 13 FT
SUBSIDING TO 8 TO 11 FT SUNDAY.

$$



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