Offshore Forecast
Issued by NWS Honolulu, HI

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FZHW60 PHFO 182138
OFFHFO

OFFSHORE WATERS FORECAST FOR HAWAII
NATIONAL WEATHER SERVICE HONOLULU HI
1200 PM HST WED JAN 18 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.

PHZ105-190400-
1200 PM HST WED JAN 18 2017

.SYNOPSIS FOR THE HAWAIIAN OFFSHORE WATERS...
A SURFACE RIDGE WILL REMAIN NEAR 26N TODAY THROUGH FRIDAY. A COLD
FRONT WILL MOVE INTO FAR NW WATERS LATE FRIDAY...THEN THROUGH THE
ISLANDS SATURDAY AND SATURDAY NIGHT...BRINGING STRONG NE WINDS AND
HIGH SEAS. STRONG E WINDS WILL CONTINUE ACROSS THE AREA ON SUNDAY.

$$

PHZ180-190400-
HAWAIIAN OFFSHORE WATERS
1200 PM HST WED JAN 18 2017

.THIS AFTERNOON...N OF 23N...E TO SE WINDS 10 TO 15 KT. S OF 23N...E
WINDS 15 TO 25 KT...STRONGEST S OF 19N. SEAS BUILDING TO 10 TO 15 FT
NW HALF...8 TO 10 FT SE HALF.
.TONIGHT AND THURSDAY...N OF 24N...E TO SE WINDS 10 KT OR LESS.
BETWEEN 20N AND 24N...E TO SE WINDS 10 TO 20 KT. S OF 20N...E WINDS
15 TO 25 KT. SEAS 9 TO 13 FT.
.THURSDAY NIGHT...N OF 20N AND W OF 160W...VARIABLE WINDS 10 KT OR
LESS. N OF 20N AND E OF 160W...E TO SE WINDS 10 TO 15 KT. S OF
20N...E WINDS 15 TO 20 KT. SEAS 9 TO 13 FT.
.FRIDAY...NE TO E WINDS 10 TO 20 KT...INCREASING TO 25 TO 35 KT N
OF FRONT MOVING INTO FAR NW WATERS LATE. SEAS 8 TO 11 FT...BUILDING
TO 13 FT OVER FAR NW WATERS LATE.
.SATURDAY...FRONT 24N153W TO 21N158W TO 18N160W AT 211800 UTC. N OF
FRONT...NE WINDS 25 TO 35 KT AND SEAS 12 TO 16 FT. S OF FRONT...NE
WINDS 15 TO 25 KT AND SEAS 7 TO 12 FT.
.SUNDAY...E WINDS 25 TO 30 KT. SEAS 10 TO 15 FT.

$$



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