409
FZPS40 PHFO 171130
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1130 UTC SAT MAY 17 2025

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

SOUTH PACIFIC EQUATOR TO 25S BETWEEN 120W AND 160E

SYNOPSIS VALID 0600 UTC MAY 17 2025.
24 HOUR FORECAST VALID 0600 UTC MAY 18 2025.
48 HOUR FORECAST VALID 0600 UTC MAY 19 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 25S135W 18S160W 01S175E NEARLY STATIONARY. SE TO E WINDS
20 TO 25 KT S OF TROUGH BETWEEN 135W AND 160W...AND S OF 12S
BETWEEN 175W AND 165E. SCATTERED MODERATE TSTMS FROM 12S TO 08S
BETWEEN 157W AND 163W...AND WITHIN 300 NM EITHER SIDE OF TROUGH W
OF 170W.
.24 HOUR FORECAST TROUGH 25S136W 17S160W 05S175E. SE TO E WINDS
20 TO 25 KT S OF 11S BETWEEN 170W AND 170E. .48 HOUR FORECAST
TROUGH 25S156W 18S160W 11S170W. SE TO E WINDS 20 TO 25 KT S OF 10S
BETWEEN 140W AND 152W.

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

.SEAS 2.5 TO 4 M S OF 21S BETWEEN 130W AND 170W.
.24 HOUR FORECAST SEAS 2.5 TO 4 M S OF 20S E OF 166W.
.48 HOUR FORECAST SEAS 2.5 TO 4 M S E OF LINE 25S168W 06S140W.

.SEAS 2.5 M OR LOWER ENTIRE FORECAST AREA.

.ISOLATED MODERATE TSTMS FROM 14S TO 01S W OF 166E.


$$

.FORECASTER ALMANZA. HONOLULU HI.