High Seas Forecast
Issued by NWS

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000
FZPS40 PHFO 261025
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1130 UTC SAT MAY 26 2018

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 26 2018.
24 HOUR FORECAST VALID 0600 UTC MAY 27 2018.
48 HOUR FORECAST VALID 0600 UTC MAY 28 2018.

.WARNINGS.

...GALE WARNING...
.TROUGH FROM 07S162E TO 11S170E TO 12S174E MOVING SW 15 KT. E TO SE
WINDS 20 TO 25 KT W OF LINE FROM 12S167E TO 18S177E TO 22S175E TO
25S164E. ISOLATED MODERATE TO LOCALLY STRONG TSTMS FROM 08S TO 15S
BETWEEN 169E AND 176E. ISOLATED MODERATE TSTMS ELSEWHERE WITHIN 75
NM OF TROUGH.
.12 HOUR FORECAST TROUGH FROM 10S165E TO 16S171E. MAINLY E TO SE
WINDS 25 TO 35 KT W OF LINE FROM 12S160E TO 16S171E TO 19S178W TO
22S177E TO 25S164E.
.24 HOUR FORECAST NEW LOW 17S174E 1008 MB. TROUGH FROM 12S167E TO
LOW TO 19S177W. MAINLY E TO SE WINDS 25 TO 35 KT BETWEEN TROUGH AND
22S. E TO SE WINDS 20 TO 30 KT S OF 20S W OF 167E.
.48 HOUR FORECAST LOW 22S174W 1004 MB. TROUGH FROM 13S171E TO
17S180W TO LOW TO 24S169W. WINDS 25 TO 35 KT FROM 19S TO 24S BETWEEN
171W AND 177W. E TO SE WINDS 20 TO 25 KT S OF 19S W OF 168E.

.SYNOPSIS AND FORECAST.

.FRONT FROM 25S172W TO 20S179W MOVING E 15 KT. ISOLATED MODERATE
TSTMS S OF 23S BETWEEN 169W AND 178W.
.24 HOUR FORECAST FRONT FROM 25S160W TO 20S167W TO 19S172W.
.48 HOUR FORECAST FRONT FROM 25S144W TO 23S156W TO 23S167W.

.WEAK FRONT FROM 25S125W TO 22S130W TO 21S140W MOVING E 10 KT S OF
22S...AND NEARLY STATIONARY ELSEWHERE. NW WINDS 20 TO 25 KT
S OF 22S E OF FRONT. ISOLATED MODERATE TSTMS S OF 24S E OF 125W.
.24 HOUR FORECAST WEAK FRONT FROM 24S120W TO 20S125W TO 19S131W.
WINDS EASED TO 20 KT OR LESS.
.48 HOUR FORECAST DISSIPATING FRONT FROM 21S120W TO 18S135W.

.RIDGE FROM 16S120W TO 15S132W NEARLY STATIONARY.

.RIDGE FROM 25S152W TO 17S144W TO 15S136W MOVING E SLOWLY.

.RIDGE FROM 25S161W TO 22S171W MOVING ENE 10 KT.

.RIDGE FROM 25S172E TO 22S179W MOVING S 10 KT.

.WINDS 20 KT OR LESS REMAINDER OF FORECAST AREA.

.SEAS 12 TO 19 FT S OF 19S W OF 177E. SEAS 8 TO 12 FT ELSEWHERE S OF
LINE FROM 10S160E TO 11S178E TO 24S177W. SEAS 8 TO 10 FT S OF 22S E
OF 125W.
.24 HOUR FORECAST SEAS 12 TO 19 FT S OF LINE FROM 25S167E TO 15S169E
TO 16S177E TO 25S171W. SEAS 8 TO 13 FT ELSEWHERE S OF 10S W OF 180E.
SEAS 8 TO 12 FT ELSEWHERE S OF 21S BETWEEN 167W AND 171W.
.48 HOUR FORECAST SEAS MAINLY 8 TO 12 FT S OF LINE FROM 13S160E TO
04S178E TO 17S176W TO 18S163W TO 24S153W.

.SEAS 8 FT OR LESS REMAINDER OF FORECAST AREA.

.ISOLATED MODERATE TSTMS FROM 07S TO 12S BETWEEN 171W AND 177W.

$$

.FORECASTER KINEL. HONOLULU HI.


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