High Seas Forecast
Issued by NWS

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977
FZPN40 PHFO 251028
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC SAT FEB 25 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FEB 25 2017.
24 HOUR FORECAST VALID 0600 UTC FEB 26 2017.
48 HOUR FORECAST VALID 0600 UTC FEB 27 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 28N140W 23N146W MOVING E 10 KT.
.24 HOUR FORECAST FRONT E OF AREA.

.FRONT 30N161W 27N170W 25N173W MOVING E 10 KT N OF
27N...STATIONARY ELSEWHERE. NE WINDS 20 TO 25 KT N OF FRONT
BETWEEN 170W AND 175E.
.24 HOUR FORECAST FRONT 30N158W 24N167W 26N180W. WINDS DIMINISHED
TO 20 KT OR LESS.
.48 HOUR FORECAST FRONT 30N159W 24N165W 25N175W.

.FRONT W OF FORECAST AREA MOVING E 15 KT.
.24 HOUR FORECAST FRONT 30N162E 29N160E.
.48 HOUR FORECAST FRONT 30N165E 27N160E.

.TROUGH 26N140W 16N143W MOVING E 10 KT.
.24 HOUR FORECAST TROUGH E OF AREA.

.HIGH 29N157W 1020 MB MOVING SE 10 KT. RIDGES FROM HIGH TO
26N147W AND FROM HIGH TO 26N169W MOVING SE 10 KT.
.24 HOUR FORECAST HIGH 27N151W 1020 MB DISSIPATING.
.48 HOUR FORECAST HIGH DISSIPATED.

.RIDGE 30N169E 26N160E NEARLY STATIONARY.

.NE TO E WINDS 20 TO 25 KT FROM 10N TO 18N BETWEEN 155W AND
180W...AND FROM 05N TO 15N W OF 180W.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 03N TO 16N W OF
170E.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 04N TO 16N W OF
170E.

.WINDS 20 KT OR LESS OVER REMAINDER OF AREA.

.SEAS 8 TO 11 FT N OF LINE 20N140W 20N155W 10N155W 02N170W
02N160E.
.24 HOUR FORECAST SEAS 8 TO 10 FT N OF LINE 20N140W 30N180W...AND
FROM 04N TO 20N W OF 170W.
.48 HOUR FORECAST SEAS 8 TO 10 FT N OF LINE 30N145W 21N150W
21N160W 30N175W.

.SEAS 8 FT OR LOWER REMAINDER OF AREA.

.ITCZ 07N158W 06N175W 04N172E. ISOLATED MODERATE TSTMS WITHIN 120 NM
OF ITCZ.

.SCATTERED MODERATE TSTMS WITHIN 60 NM OF A LINE 12N164W 10N159W. ISOLATED
MODERATE TSTMS S OF 07N W OF 170E.

$$

.FORECASTER MORRISON. HONOLULU HI.



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