High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 292152
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC FRI MAY 29 2020

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC MAY 29 2020.
24 HOUR FORECAST VALID 1800 UTC MAY 30 2020.
48 HOUR FORECAST VALID 1800 UTC MAY 31 2020.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT AT 30N160E MOVING E 25 KT. SW WINDS 20 TO 30 KT N OF A LINE
30N170E TO 28N160E.
.24 HOUR FORECAST FRONT 30N170E TO 28N160E. SW WINDS DIMINISHED TO
20 KT OR LESS.
.48 HOUR FORECAST FRONT 30N178E TO 27N170E TO 26N160E. NE WINDS 20
TO 25 KT N OF 26N W OF 171E.

.TROUGH 23N177W TO 19N179E MOVING W 10 KT.
.24 HOUR FORECAST TROUGH 25N177E TO 20N173E.
.48 HOUR FORECAST TROUGH 23N170E TO 20N167E.

.TROUGH 09N163E TO 01N160E MOVING W NEAR 10 KT. SCATTERED MODERATE
TO ISOLATED STRONG TSTMS WITHIN 240 NM E OF TROUGH.
.24 HOUR FORECAST TROUGH MOVED W OF FORECAST WATERS.

.HIGH 25N173E 1022 MB NEARLY STATIONARY. RIDGES FROM HIGH TO 23N160E
AND FROM HIGH TO 28N180W NEARLY STATIONARY.
.24 HOUR FORECAST HIGH 26N170E.
.48 HOUR FORECAST HIGH DISSIPATED.

.HIGH 28N153W 1024 MB MOVING SW SLOWLY. RIDGES FROM HIGH TO 27N171W
AND FROM HIGH TO 27N145W NEARLY STATIONARY.
.24 HOUR FORECAST HIGH 26N155W 1023 MB.
.48 HOUR FORECAST HIGH DISSIPATED. NEW HIGH 28N164W 1022 MB.

.WINDS 20 KT OR LESS REST OF FORECAST AREA.

.SEAS 8 FT OR LESS ENTIRE FORECAST AREA.

.ITCZ FROM 07N140W TO 05N158W TO 07N165W TO 02N170E. SCATTERED
MODERATE TSTMS WITHIN 200 NM OF ITCZ MOSTLY BETWEEN 150W AND 170W
AND W OF 179W.

$$

.FORECASTER SHIGESATO. HONOLULU HI.


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