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
FZPN40 PHFO 232247
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC WED JUL 23 2014

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 JUL 23 2014.
24 HOUR FORECAST VALID 1800 UTC JUL 24 2014.
48 HOUR FORECAST VALID 1800 UTC JUL 25 2014.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW JUST E OF FORECAST AREA NEAR 09N139W 1009 MB MOVING NW 15 KT.
WINDS INCREASING TO 20 TO 25 KT OVER FORECAST WATERS WITHIN 240 NM
OF LOW N AND NW QUADRANTS SCATTERED MODERATE TO STRONG TSTMS OVER
FORECAST WATERS WITHIN 360 NM OF LOW.
.24 HOUR FORECAST LOW...POSSIBLE TROPICAL CYCLONE...NEAR 12N142W
1009 MB. WINDS 20 TO 25 KT AND SEAS BUILDING TO 8 TO 9 FT WITHIN 240
NM OF LOW N AND NW QUADRANTS.
.48 HOUR FORECAST LOW...POSSIBLE TROPICAL CYCLONE...NEAR 11N150W
1008 MB. WINDS 20 TO 30 KT AND SEAS 8 TO 10 FT WITHIN 240 NM OF LOW
N AND NW QUADRANTS.

.TROUGH FROM 30N171E TO 27N167E TO 25N161E.
.24 HOUR FORECAST DEVELOPING FRONT FROM 30N173E TO 28N166E.
.48 HOUR FORECAST FRONT FROM 30N175E TO 28N170E.

.TROUGH DEVELOPING OVER FORECAST AREA.
.48 HOUR FORECAST TROUGH FROM 05N160E TO 08N169E TO 10N179E.

.WINDS 20 KT OR LESS FORECAST AREA.

.SEAS 8 FT OR LOWER FORECAST AREA.

.ITCZ FROM 09N154W TO 10N164W TO 03N179E TO 04N172E. ISOLATED
MODERATE TSTMS WITHIN 240 NM OF ITCZ.

.TROPICAL WAVE FROM 06N150W TO 09N148W TO 11N145W MOVING W SLOWLY.
SCATTERED MODERATE TO STRONG TSTMS WITHIN 180 NM OF WAVE.

.TROPICAL WAVE FROM 10N166E TO 13N168E TO 15N172E MOVING NW 10 KT.
SCATTERED MODERATE TO STRONG TSTMS WITHIN 180 NM OF WAVE.

.OTHERWISE SCATTERED MODERATE TO STRONG TSTMS S OF 10N W OF 166E.

$$
.FORECASTER A BEDAL. HONOLULU HI.




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