High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 271054
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC SAT MAY 27 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC MAY 27 2017.
24 HOUR FORECAST VALID 0600 UTC MAY 28 2017.
48 HOUR FORECAST VALID 0600 UTC MAY 29 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N144W 27N145W 25N148W MOVING NE SLOWLY.
.24 HOUR FORECAST FRONT 30N142W 25N144W.
.48 HOUR FORECAST FRONT DISSIPATED.

.TROUGH 20N149W 15N150W MOVING W 10 KT.
.24 HOUR FORECAST TROUGH 22N151W 16N154W.
.48 HOUR FORECAST TROUGH 23N152W 19N156W.

.TROUGH 21N163W 17N164W NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH 30N168W 19N166W.
.48 HOUR FORECAST TROUGH 29N158W 18N169W.

.ITCZ 07N140W 06N159W 07N155W 06N165W 07N170W 06N177W.
ISOLATED MODERATE TSTMS WITHIN 90 NM OF ITCZ.

.48 HOUR FORECAST NEW HIGH 28N177E 1018 MB.

.NE WINDS 20 TO 25 KT FROM 23N TO 20N BETWEEN 165W AND 180W.
.24 HOUR FORECAST WINDS DIMINISHED TO 20 KT OR LESS.

.SEAS 8 TO 9 FT BOUNDED BY 28N170E 27N175W 21N163W 19N177E
28N170E.
.24 HOUR FORECAST SEAS 8 FT FROM 22N TO 20N BETWEEN 178W AND
178E.
.48 HOUR FORECAST SEAS DIMINISHED TO LESS THAN 8 FT.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.ISOLATED TSTMS WITHIN 90 NM OF 10N154W AND BOUNDED BY
12N168W 06N171E 07N161E.

$$
.HONOLULU FORECASTER.


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