High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 240340
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC WED MAY 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC MAY 24 2017.
24 HOUR FORECAST VALID 0000 UTC MAY 25 2017.
48 HOUR FORECAST VALID 0000 UTC MAY 26 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.DISSIPATING FRONT FROM 30N146W TO 25N153W TO 24N158W TO 23N171W
MOVING E SLOWLY ALONG 30N AND NEARLY STATIONARY ELSEWHERE. NE TO
E WINDS 20 TO 25 KT N OF FRONT W OF 150W...AND FROM 18N TO 28N
BETWEEN 171W AND 179W.
.24 HOUR FORECAST FRONT DISSIPATED. NE TO E WINDS 20 TO 25 KT
FROM 22N TO 29N BETWEEN 168W AND 173E.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT N OF 22N BETWEEN 171W
AND 168E.

.TROUGH FROM 30N165E TO 28N160E NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH DISSIPATED.

.RIDGE FROM 30N175E TO 23N160E MOVING N SLOWLY.

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

.SEAS 8 TO 10 FT WITHIN 390 NM OF A LINE FROM 30N159W TO 24N166W
TO 19N174W.
.24 HOUR FORECAST SEAS 8 TO 9 FT FROM 20N TO 26N BETWEEN 165W
AND 173E.
.48 HOUR FORECAST SEAS 8 TO 9 FT FROM 22N TO 29N BETWEEN 168W AND
180W.

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

.ITCZ FROM 07N140W TO 05N157W TO 01N172W TO 03N169E TO 05N161E.
SCATTERED MODERATE TSTMS WITHIN 120 NM OF ITCZ BETWEEN 145W AND
157W...WITHIN 150 NM S OF ITCZ BETWEEN 164W AND 172W. ISOLATED
MODERATE TSTMS WITHIN 240 NM N OF ITCZ W OF 174W.

$$

.FORECASTER BIRCHARD. HONOLULU HI.


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