High Seas Forecast
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
FZPS40 PHFO 242257
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2330 UTC MON APR 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

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

SYNOPSIS VALID 1800 UTC APR 24 2017.
24 HOUR FORECAST VALID 1800 UTC APR 25 2017.
48 HOUR FORECAST VALID 1800 UTC APR 26 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 11S155W 10S170W 04S170E MOVING SW 10 KT. ISOLATED
STRONG TSTMS FROM 01S TO 09S BETWEEN 155W AND 170E.
.24 HOUR FORECAST TROUGH 13S163W 05S165E.
.48 HOUR FORECAST TROUGH 16S170W 10S167E.

.TROUGH 17S173W 25S175W MOVING SE 10 KT. ISOLATED MODERATE
TSTMS FROM 18S TO 22S BETWEEN 170W AND 173W.
.24 HOUR FORECAST TROUGH 22S174W 25S172W.
.48 HOUR FORECAST TROUGH MOVED S OF AREA.

.ITCZ 06S120W 06S126W 04S135W 05S141W. ISOLATED MODERATE
TSTMS WITHIN 90 NM OF ITCZ E OF 128W.

.RIDGE 25S161W 22S174W 25S170E MOVING S SLOWLY.

.E WINDS 20 TO 25 KT WITHIN 90 NM OF LINE 25S138W 23S145W
24S155W.
.24 HOUR FORECAST WINDS DIMINISHED TO 20 KT OR LESS.

.SEAS 12 TO 14 FT S OF LINE 25S135W 20S155W 25S162W...SEAS
8 TO 12 FT ELSEWHERE S OF LINE 25S120W 12S165W 25S170W. SEAS
8 TO 9 FT S OF LINE 25S173W 21S179W 25S172W.
.24 HOUR FORECAST SEAS 8 TO 12 FT SE OF LINE 12S120W 10S155W
15S165W 25S160W.
.48 HOUR FORECAST SEAS 8 TO 10 FT SE OF LINE 05S120W 20S135W
25S150W.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.SCATTERED MODERATE TSTMS WITHIN 60 NM OF LINES 23S132W 23S134W...
17S157W 19S162W AND 15S166E 11S162E.

$$
.HONOLULU FORECASTER.


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.